reduce gc_collect_harder default to 1 on CPython#14441
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bluetech merged 3 commits intoMay 24, 2026
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Author
|
Draft, since I'm not certain this is a good idea. |
Member
|
Im nit familiar with the plugin myself |
Contributor
Author
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Unknown - I'm looking at history, and there's already once case that resets it to 0 no matter what - #13482 |
Member
|
I was uneasy with the multiple gc rounds but I couldn't entirely demonstrate the slowdown. But for me your report is sufficient. The unraisableexception plugin is non-deterministic and doing multiple gc rounds trying to make it so just seems too heavy. So basically +1 from me. I would also not add a special case for PyPI. |
Member
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See also 391324e. Also cc @graingert. |
Member
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Thanks for the CC, I have no opinion on this though |
The 5-iteration default was borrowed from the Trio project, where it was determined empirically to handle PyPy's object resurrection behavior: on PyPy, objects like coroutines can survive GC rounds because executing their __del__ can resurrect them. On CPython, reference counting frees most objects immediately. One GC pass is sufficient to handle reference cycles, as confirmed by all test_unraisableexception tests passing (including the refcycle variants). Use 1 pass on CPython and retain 5 on PyPy. Signed-off-by: Mike Fiedler <[email protected]>
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Using `timeit`, I found a faster call:
```python
import sys
import timeit
def method_hasattr():
return 5 if hasattr(sys, "pypy_version_info") else 1
def method_implementation():
return 5 if sys.implementation.name == "pypy" else 1
time1 = timeit.timeit(method_hasattr, number=10000)
time2 = timeit.timeit(method_implementation, number=10000)
print(f"Method Hasattr: {time1:.5f} seconds")
print(f"Method Implementation: {time2:.5f} seconds")
```
Results:
```
$ PYENV_VERSION=3.14.5 python microbench.py
Method Hasattr: 0.00085 seconds
Method Implementation: 0.00054 seconds
$ PYENV_VERSION=pypy3.11-7.3.22 python microbench.py
Method Hasattr: 0.00768 seconds
Method Implementation: 0.00070 seconds
```
Refs: https://docs.python.org/3/library/sys.html#sys.implementation
Signed-off-by: Mike Fiedler <[email protected]>
Signed-off-by: Mike Fiedler <[email protected]>
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May 23, 2026 22:11
Contributor
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I found a faster implementation, and added a changelog entry. If there's a benchamrking/test suite somewhere I can hook into, I'd be happy to explore that, but I didn't find one, so pointers would be appreciated. |
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CI results compared:
Table 1: Total Job Time (wall clock)Table 2: Test Step Only (excludes setup/checkout/install/upload)Table 3: Test Step Summary by PlatformKey takeaways:
The signal is clear and consistent on Linux where runners are stable. Comparison script (uses Details#!/usr/bin/env python3
"""Compare test step timings between two GitHub Actions workflow runs.
Usage:
python scripts/compare_ci_runs.py <upstream_run_id> <our_run_id> [--repo REPO]
Example:
python scripts/compare_ci_runs.py 26336401841 26344890356
python scripts/compare_ci_runs.py 26336401841 26344890356 --repo pytest-dev/pytest
Requires: gh CLI authenticated with repo read access.
"""
from __future__ import annotations
import argparse
import json
import subprocess
import sys
from datetime import datetime
def secs(a: str | None, b: str | None) -> int | None:
if not a or not b:
return None
fmt = "%Y-%m-%dT%H:%M:%SZ"
try:
return int((datetime.strptime(b, fmt) - datetime.strptime(a, fmt)).total_seconds())
except ValueError:
return None
def fmt_secs(s: int | None) -> str:
if s is None:
return "—"
m, sec = divmod(s, 60)
return f"{m}m{sec:02d}s"
def delta_fmt(before: int | None, after: int | None) -> str:
if before is None or after is None:
return "—"
d = after - before
prefix = "+" if d >= 0 else "-"
m, s = divmod(abs(d), 60)
return f"{prefix}{m}m{s:02d}s" if m else f"{prefix}{s}s"
def pct(before: int | None, after: int | None) -> str:
if not before or after is None:
return "—"
p = ((after - before) / before) * 100
return f"{'+' if p > 0 else ''}{p:.1f}%"
def get_jobs(run_id: int, repo: str) -> list[dict]:
result = subprocess.run(
["gh", "run", "view", str(run_id), "--repo", repo, "--json", "jobs"],
capture_output=True,
text=True,
check=True,
)
return json.loads(result.stdout)["jobs"]
def parse_jobs(jobs: list[dict]) -> dict[str, dict]:
parsed = {}
for job in jobs:
if not job["name"].startswith("build"):
continue
job_secs = secs(job["startedAt"], job["completedAt"])
test_secs_total = sum(
secs(s["startedAt"], s["completedAt"]) or 0
for s in job["steps"]
if s["name"].startswith("Test ")
and (secs(s["startedAt"], s["completedAt"]) or 0) > 0
)
parsed[job["name"]] = {
"job_secs": job_secs,
"test_secs": test_secs_total or None,
}
return parsed
PLATFORM_GROUPS = {
"Linux (full suite)": ["ubuntu-py310", "ubuntu-py311", "ubuntu-py312", "ubuntu-py313", "ubuntu-py314"],
"Linux (variants)": [
"ubuntu-py310-freeze", "ubuntu-py310-lsof-numpy-pexpect", "ubuntu-py310-pluggy",
"ubuntu-py310-unittest-asynctest", "ubuntu-py310-unittest-twisted24",
"ubuntu-py310-unittest-twisted25", "ubuntu-py310-xdist", "ubuntu-py313-pexpect",
"ubuntu-pypy3-xdist",
],
"macOS": ["macos-py310", "macos-py312", "macos-py313", "macos-py314"],
"Windows": [
"windows-py310-pluggy", "windows-py310-unittest-asynctest", "windows-py310-unittest-twisted24",
"windows-py310-unittest-twisted25", "windows-py310-xdist", "windows-py311",
"windows-py312", "windows-py313", "windows-py314",
],
}
def get_group(short_name: str) -> str:
for group, members in PLATFORM_GROUPS.items():
if short_name in members:
return group
return "Other"
def print_table(headers: list[str], rows: list[list[str]], footer: list[str] | None = None) -> None:
widths = [max(len(str(row[i])) for row in ([headers] + rows + ([footer] if footer else []))) for i in range(len(headers))]
sep = "-" * (sum(widths) + 3 * len(widths) + 1)
fmt = " " + " ".join(f"{{:<{widths[0]}}}" if i == 0 else f"{{:>{widths[i]}}}" for i in range(len(headers)))
print(fmt.format(*headers))
print(sep)
for row in rows:
print(fmt.format(*row))
if footer:
print(sep)
print(fmt.format(*footer))
def main() -> None:
parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument("upstream_run_id", type=int)
parser.add_argument("our_run_id", type=int)
parser.add_argument("--repo", default="pytest-dev/pytest")
args = parser.parse_args()
repo = args.repo
upstream_url = f"https://github.com/{repo}/actions/runs/{args.upstream_run_id}"
our_url = f"https://github.com/{repo}/actions/runs/{args.our_run_id}"
print(f"Fetching upstream run {args.upstream_run_id}...")
upstream = parse_jobs(get_jobs(args.upstream_run_id, repo))
print(f"Fetching our run {args.our_run_id}...")
ours = parse_jobs(get_jobs(args.our_run_id, repo))
all_names = sorted(set(upstream) | set(ours))
print(f"\n{'=' * 90}")
print(f"UPSTREAM: {upstream_url}")
print(f"OURS: {our_url}")
print(f"{'=' * 90}")
# Table 1: total job time
print("\n### Table 1: Total Job Time (wall clock)\n")
rows, total_u, total_o = [], 0, 0
for name in all_names:
short = name.removeprefix("build (").removesuffix(")")
u, o = upstream.get(name, {}), ours.get(name, {})
uj, oj = u.get("job_secs"), o.get("job_secs")
if uj: total_u += uj
if oj: total_o += oj
note = " [PyPy]" if "pypy" in name else ""
rows.append([short + note, fmt_secs(uj), fmt_secs(oj), delta_fmt(uj, oj), pct(uj, oj)])
print_table(
["Job", "Upstream", "Ours", "Delta", "% Change"],
rows,
["TOTAL (sum of all jobs)", fmt_secs(total_u), fmt_secs(total_o), delta_fmt(total_u, total_o), pct(total_u, total_o)],
)
# Table 2: test step only
print("\n\n### Table 2: Test Step Duration Only (excludes setup/checkout/install/upload)\n")
rows, total_u, total_o = [], 0, 0
for name in all_names:
short = name.removeprefix("build (").removesuffix(")")
u, o = upstream.get(name, {}), ours.get(name, {})
ut, ot = u.get("test_secs"), o.get("test_secs")
if ut: total_u += ut
if ot: total_o += ot
note = " [PyPy]" if "pypy" in name else ""
rows.append([short + note, fmt_secs(ut), fmt_secs(ot), delta_fmt(ut, ot), pct(ut, ot)])
print_table(
["Job", "Upstream", "Ours", "Delta", "% Change"],
rows,
["TOTAL (sum of all test steps)", fmt_secs(total_u), fmt_secs(total_o), delta_fmt(total_u, total_o), pct(total_u, total_o)],
)
# Table 3: by platform
print("\n\n### Table 3: Test Step Summary by Platform\n")
group_u: dict[str, int] = {}
group_o: dict[str, int] = {}
for name in all_names:
short = name.removeprefix("build (").removesuffix(")")
g = get_group(short)
group_u[g] = group_u.get(g, 0) + (upstream.get(name, {}).get("test_secs") or 0)
group_o[g] = group_o.get(g, 0) + (ours.get(name, {}).get("test_secs") or 0)
rows, gtot_u, gtot_o = [], 0, 0
for g in [*PLATFORM_GROUPS, "Other"]:
gu, go = group_u.get(g, 0), group_o.get(g, 0)
gtot_u += gu
gtot_o += go
rows.append([g, fmt_secs(gu), fmt_secs(go), delta_fmt(gu, go), pct(gu, go)])
print_table(
["Group", "Upstream (test)", "Ours (test)", "Saved", "%"],
rows,
["TOTAL", fmt_secs(gtot_u), fmt_secs(gtot_o), delta_fmt(gtot_u, gtot_o), pct(gtot_u, gtot_o)],
)
if __name__ == "__main__":
main() |
paulzuradzki
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May 24, 2026
…gure pytest-dev#14441 reduced the default gc_collect_harder passes to 1 on CPython (5 on PyPy, where __del__ can resurrect objects). That change lived in cleanup(), which this branch emptied when it moved GC into pytest_unconfigure. Carry the same default into the new location so the relocation does not silently revert pytest-dev#14441. CPython still collects the refcycle regression tests in a single pass.
Zac-HD
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May 27, 2026
* Add failing regression test for #14263 (red) filterwarnings = error::ResourceWarning does not fail tests that leak resources through a reference cycle. collect_unraisable wraps the captured ResourceWarning in PytestUnraisableExceptionWarning, a class the user has no filter for, so the run exits 0. This test pins that contract: on a refcycle-leaking test with error::ResourceWarning configured, pytest should exit non-zero and the output should show the inner ResourceWarning rather than the wrapping PytestUnraisableExceptionWarning. Fails at this commit; the next commit ships the fix that turns it green. Refs #14263. * Surface filter-promoted unraisable warnings directly (#14263) When sys.unraisablehook captures a Warning subclass instance and the user has an active ``error::<that class>`` filter, raise the original warning rather than wrapping in PytestUnraisableExceptionWarning. The wrap path remains for any case where no matching error filter is set, so suites that don't use ``error::<warning>`` filters see no change. Filter matching is approximate: category only, not message/module/lineno. The check errs toward false negatives, never false positives. The regression test added in the previous commit now passes. Additional coverage: - test_refcycle_userwarning_filter: locks the contract for a non-builtin Warning subclass. - test_unraisable_warning_without_filter_still_wraps: scope guard. A Warning raised from __del__ without a matching error filter must still be wrapped, not raised directly. - test_unraisable_warning_filter_add_note_dedups: covers the duplicate- note guard in the unwrap path for singleton/cached Warning instances. Tightens the ``errors`` list type from list[Exception] to list[Warning | RuntimeError]. Adds Paul Zuradzki to AUTHORS. Notes in test_create_task_raises_unraisable_warning_filter that the propagated class is now bare RuntimeWarning rather than the wrapping PytestUnraisableExceptionWarning (because -Werror activates the new unwrap path). Closes #14263. * Add failing regression test for cleanup-stack ordering (red) Forces the bad LIFO order with a conftest that registers a warnings.resetwarnings cleanup via @hookimpl(trylast=True): it pops before unraisableexception's cleanup and clears the user's error::ResourceWarning filter before GC runs, so the leak exits 0. The next commit moves GC into pytest_unconfigure (runs before the cleanup stack closes), making the test pass regardless of plugin order. Refs #14263. * Move unraisable GC to pytest_unconfigure (refs #14263) Register only the hook-restore + stash-cleanup as the config.add_cleanup callback. Move the GC pump and collect_unraisable call into a new pytest_unconfigure(config) hook. pytest_unconfigure fires before _cleanup_stack.close(), so warning filters managed via the cleanup stack (the warnings plugin's catch_warnings context, in particular) are guaranteed active when GC runs. This decouples the unraisable step from plugin registration order in default_plugins. The previous arrangement worked only because of LIFO ordering on _cleanup_stack; #13057 (Dec 2024) reordered default_plugins to make that ordering correct, but the structural fragility remained. No observable behavior change. The 141 existing tests in test_unraisableexception + test_warnings + test_recwarn + test_threadexception still pass. The previous commit's test_refcycle_resource_warning_filter continues to fail on main and pass here. This is the structural side of the issue's two proposed fixes; the user-visible side shipped in the previous commit. * Add failing regression test for unset stash guard (red) After GC moved into pytest_unconfigure, a plugin whose pytest_configure raises UsageError leaves the stash key unset while pytest_unconfigure still runs. Without a presence check it hits KeyError and reports INTERNALERROR instead of USAGE_ERROR. The next commit adds the guard. Refs #14263. * Guard pytest_unconfigure against unset stash (refs #14263) When another plugin's pytest_configure raises (e.g. pytest.UsageError in testing/acceptance_test.py::test_config_error), pluggy skips remaining configure hooks. unraisableexception.pytest_configure never runs, config.stash[unraisable_exceptions] is never set. The previous config.add_cleanup callback wasn't registered in that case either, so cleanup was a no-op. The pytest_unconfigure hook introduced in the previous commit ran unconditionally and hit KeyError on the unset stash, surfacing as INTERNAL_ERROR where pytest should exit with USAGE_ERROR. Guard with a stash-presence check at the top of pytest_unconfigure. test_config_error catches the regression direction. * Tighten comments in unraisableexception * Add failure messages to result.ret assertions * Adopt #14441's CPython gc_collect default in pytest_unconfigure #14441 reduced the default gc_collect_harder passes to 1 on CPython (5 on PyPy, where __del__ can resurrect objects). That change lived in cleanup(), which this branch emptied when it moved GC into pytest_unconfigure. Carry the same default into the new location so the relocation does not silently revert #14441. CPython still collects the refcycle regression tests in a single pass. * PR feedback: keep GC in cleanup(), drop direct-raise of unraisable warnings Reviewer feedback on #14499: - Keep the GC + queue drain in cleanup() as well as pytest_unconfigure, so objects freed while the cleanup stack unwinds still surface. - Drop the direct-raise path (_warning_class_has_error_filter plus the unwrap branch in collect_unraisable). Re-raising the inner warning lost the traceback the hook captures as a string, and the filter match was only approximate. collect_unraisable now always wraps in PytestUnraisableExceptionWarning and lets the warnings machinery decide. Tests dropped or reworked: - Removed test_refcycle_resource_warning_filter: with only error::ResourceWarning the leak no longer fails the suite, which was the dropped direct-raise. - Removed test_refcycle_userwarning_filter: redundant with test_refcycle_unraisable_warning_filter once the wrapper is always raised. - Removed test_unraisable_warning_filter_add_note_dedups: covered the deleted add_note code. - Reworked test_unraisable_decouples_from_cleanup_stack_order to raise ValueError from __del__ and filter on error::pytest.PytestUnraisableExceptionWarning. A ResourceWarning leak only enters the unraisable pipeline through an error::ResourceWarning filter, which no longer promotes the wrapper; a raised exception is wrapped unconditionally, so the timing fix stays observable. Changelog reworded to describe the pytest_unconfigure timing fix instead of the dropped direct-raise behavior.
luketainton
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Jun 18, 2026
This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `<9.1.0,>=9.0.0` → `<9.1.1,>=9.1.0` |  |  | --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMjAuMCIsInVwZGF0ZWRJblZlciI6IjQzLjIyMC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ1bml0LXRlc3RzIl19--> Reviewed-on: https://git.tainton.uk/repos/PwnedPW/pulls/340 Co-authored-by: renovate[bot] <[email protected]> Co-committed-by: renovate[bot] <[email protected]>
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This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `<9.1.0,>=9.0.0` → `<9.1.1,>=9.1.0` |  |  | --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. 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This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `<9.1.0,>=9.0.0` → `<9.1.1,>=9.1.0` |  |  | --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMjAuMCIsInVwZGF0ZWRJblZlciI6IjQzLjIyMC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/epage/pulls/225 Co-authored-by: renovate[bot] <[email protected]> Co-committed-by: renovate[bot] <[email protected]>
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This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `<9.1.0,>=9.0.0` → `<9.1.1,>=9.1.0` |  |  | --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. 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This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `<9.1.0,>=9.0.0` → `<9.1.1,>=9.1.0` |  |  | --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMjAuMCIsInVwZGF0ZWRJblZlciI6IjQzLjIyMC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/webexmemebot/pulls/590 Co-authored-by: renovate[bot] <[email protected]> Co-committed-by: renovate[bot] <[email protected]>
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This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `<9.1.0,>=9.0.0` → `<9.1.1,>=9.1.0` |  |  | --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMjAuMCIsInVwZGF0ZWRJblZlciI6IjQzLjIyMC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/roboluke/pulls/456 Co-authored-by: renovate[bot] <[email protected]> Co-committed-by: renovate[bot] <[email protected]>
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This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `==9.0.3` → `==9.1.1` |  |  | --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.1`](https://github.com/pytest-dev/pytest/releases/tag/9.1.1) [Compare Source](pytest-dev/pytest@9.1.0...9.1.1) ### pytest 9.1.1 (2026-06-19) #### Bug fixes - [#​14220](pytest-dev/pytest#14220): Fixed a logic bug in `pytest.RaisesGroup` which would might cause it to display incorrect "It matches <span class="title-ref">FooError()</span> which was paired with <span class="title-ref">BarError</span>" messages. - [#​14591](pytest-dev/pytest#14591): Fixed a regression in pytest 9.1.0 which caused overriding a parametrized fixture with an indirect <span class="title-ref">[@​pytest](https://github.com/pytest).mark.parametrize</span> to fail with "duplicate parametrization of '\<fixture name>'". - [#​14606](pytest-dev/pytest#14606): Fixed `list-item` typing errors from mypy in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` `argvalues` parameter. - [#​14608](pytest-dev/pytest#14608): Fixed a regression in pytest 9.1.0 where `conftest.py` files located in `<invocation dir>/test*` were no longer loaded as initial conftests when invoked without arguments. This could cause certain hooks (like `pytest_addoption`) in these files to not fire. ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yNTEuMyIsInVwZGF0ZWRJblZlciI6IjQzLjI1MS4zIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119--> Co-authored-by: Renovate Bot <[email protected]> Reviewed-on: https://git.greil.fr/mat/python-comwatt-client/pulls/24
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Jul 19, 2026
This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [pytest](https://github.com/pytest-dev/pytest) ([changelog](https://docs.pytest.org/en/stable/changelog.html)) | `>=8.0,<9.0` → `>=9.1,<9.2` |  |  | --- ### pytest has vulnerable tmpdir handling [CVE-2025-71176](https://nvd.nist.gov/vuln/detail/CVE-2025-71176) / [GHSA-6w46-j5rx-g56g](GHSA-6w46-j5rx-g56g) / PYSEC-2026-1845 <details> <summary>More information</summary> #### Details pytest through 9.0.2 on UNIX relies on directories with the `/tmp/pytest-of-{user}` name pattern, which allows local users to cause a denial of service or possibly gain privileges. #### Severity - CVSS Score: 6.8 / 10 (Medium) - Vector String: `CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L` #### References - [https://nvd.nist.gov/vuln/detail/CVE-2025-71176](https://nvd.nist.gov/vuln/detail/CVE-2025-71176) - [https://github.com/pytest-dev/pytest/issues/13669](https://github.com/pytest-dev/pytest/issues/13669) - [https://github.com/pytest-dev/pytest/pull/14343](https://github.com/pytest-dev/pytest/pull/14343) - [https://github.com/pytest-dev/pytest/commit/95d8423bd24992deea5b9df32555fa1741679e2c](https://github.com/pytest-dev/pytest/commit/95d8423bd24992deea5b9df32555fa1741679e2c) - [https://github.com/pytest-dev/pytes](https://github.com/pytest-dev/pytes) - [https://github.com/pytest-dev/pytest/releases/tag/9.0.3](https://github.com/pytest-dev/pytest/releases/tag/9.0.3) - [https://www.openwall.com/lists/oss-security/2026/01/21/5](https://www.openwall.com/lists/oss-security/2026/01/21/5) This data is provided by [OSV](https://osv.dev/vulnerability/GHSA-6w46-j5rx-g56g) and the [GitHub Advisory Database](https://github.com/github/advisory-database) ([CC-BY 4.0](https://github.com/github/advisory-database/blob/main/LICENSE.md)). </details> --- ### pytest has vulnerable tmpdir handling [CVE-2025-71176](https://nvd.nist.gov/vuln/detail/CVE-2025-71176) / [GHSA-6w46-j5rx-g56g](GHSA-6w46-j5rx-g56g) / PYSEC-2026-1845 <details> <summary>More information</summary> #### Details pytest through 9.0.2 on UNIX relies on directories with the `/tmp/pytest-of-{user}` name pattern, which allows local users to cause a denial of service or possibly gain privileges. #### Severity - CVSS Score: 6.8 / 10 (Medium) - Vector String: `CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L` #### References - [https://nvd.nist.gov/vuln/detail/CVE-2025-71176](https://nvd.nist.gov/vuln/detail/CVE-2025-71176) - [https://github.com/pytest-dev/pytest/issues/13669](https://github.com/pytest-dev/pytest/issues/13669) - [https://github.com/pytest-dev/pytest/pull/14343](https://github.com/pytest-dev/pytest/pull/14343) - [https://github.com/pytest-dev/pytest/commit/95d8423bd24992deea5b9df32555fa1741679e2c](https://github.com/pytest-dev/pytest/commit/95d8423bd24992deea5b9df32555fa1741679e2c) - [https://github.com/pytest-dev/pytes](https://github.com/pytest-dev/pytes) - [https://github.com/pytest-dev/pytest/releases/tag/9.0.3](https://github.com/pytest-dev/pytest/releases/tag/9.0.3) - [https://www.openwall.com/lists/oss-security/2026/01/21/5](https://www.openwall.com/lists/oss-security/2026/01/21/5) - [https://pypi.org/project/pytest](https://pypi.org/project/pytest) - [https://github.com/advisories/GHSA-6w46-j5rx-g56g](https://github.com/advisories/GHSA-6w46-j5rx-g56g) This data is provided by [OSV](https://osv.dev/vulnerability/PYSEC-2026-1845) and the [PyPI Advisory Database](https://github.com/pypa/advisory-database) ([CC-BY 4.0](https://github.com/pypa/advisory-database/blob/main/LICENSE)). </details> --- ### Release Notes <details> <summary>pytest-dev/pytest (pytest)</summary> ### [`v9.1.1`](https://github.com/pytest-dev/pytest/releases/tag/9.1.1) [Compare Source](pytest-dev/pytest@9.1.0...9.1.1) ### pytest 9.1.1 (2026-06-19) #### Bug fixes - [#​14220](pytest-dev/pytest#14220): Fixed a logic bug in `pytest.RaisesGroup` which would might cause it to display incorrect "It matches <span class="title-ref">FooError()</span> which was paired with <span class="title-ref">BarError</span>" messages. - [#​14591](pytest-dev/pytest#14591): Fixed a regression in pytest 9.1.0 which caused overriding a parametrized fixture with an indirect <span class="title-ref">[@​pytest](https://github.com/pytest).mark.parametrize</span> to fail with "duplicate parametrization of '\<fixture name>'". - [#​14606](pytest-dev/pytest#14606): Fixed `list-item` typing errors from mypy in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` `argvalues` parameter. - [#​14608](pytest-dev/pytest#14608): Fixed a regression in pytest 9.1.0 where `conftest.py` files located in `<invocation dir>/test*` were no longer loaded as initial conftests when invoked without arguments. This could cause certain hooks (like `pytest_addoption`) in these files to not fire. ### [`v9.1.0`](https://github.com/pytest-dev/pytest/releases/tag/9.1.0) [Compare Source](pytest-dev/pytest@9.0.3...9.1.0) ### pytest 9.1.0 (2026-06-13) #### Removals and backward incompatible breaking changes - [#​14533](pytest-dev/pytest#14533): When using `--doctest-modules`, autouse fixtures with `module`, `package` or `session` scope that are defined inline in Python test modules (not plugins or conftests) will now possibly execute twice. If this is undesirable, move the fixture definition to a `conftest.py` file if possible. Technical explanation for those interested: When using <span class="title-ref">--doctest-modules</span>, pytest possibly collects Python modules twice, once as `pytest.Module` and once as a `DoctestModule` (depending on the configuration). Due to improvements in pytest's fixture implementation, if e.g. the `DoctestModule` collects a fixture, it is now visible to it only, and not to the `Module`. This means that both need to register the fixtures independently. #### Deprecations (removal in next major release) - [#​10819](pytest-dev/pytest#10819): Added a deprecation warning for class-scoped fixtures defined as instance methods (without `@classmethod`). Such fixtures set attributes on a different instance than the test methods use, leading to unexpected behavior. Use `@classmethod` decorator instead -- by `yastcher`. See `10819` and `14011`. - [#​12882](pytest-dev/pytest#12882): Calling `request.getfixturevalue() <pytest.FixtureRequest.getfixturevalue>` during teardown to request a fixture that was not already requested is now deprecated and will become an error in pytest 10. See `dynamic-fixture-request-during-teardown` for details. - [#​13409](pytest-dev/pytest#13409): Using non-`~collections.abc.Collection` iterables (such as generators, iterators, or custom iterable objects) for the `argvalues` parameter in `@pytest.mark.parametrize <pytest.mark.parametrize ref>` and `metafunc.parametrize <pytest.Metafunc.parametrize>` is now deprecated. These iterables get exhausted after the first iteration, leading to tests getting unexpectedly skipped in cases such as running `pytest.main()` multiple times, using class-level parametrize decorators, or collecting tests multiple times. See `parametrize-iterators` for details and suggestions. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute is now deprecated. Use `config.getini() <pytest.Config.getini>` to access configuration values instead. See `config-inicfg` for more details. - [#​14004](pytest-dev/pytest#14004): Passing `baseid` to `~pytest.FixtureDef` or `nodeid` strings to fixture registration APIs is now deprecated. These are internal pytest APIs that are used by some plugins. Use the `node` parameter instead for fixture scoping. This enables more robust node-based matching instead of string prefix matching. If you've used `nodeid=None`, pass `node=session` instead. This will be removed in pytest 10. - [#​14335](pytest-dev/pytest#14335): The method of configuring hooks using markers, deprecated since pytest 7.2, is now scheduled to be removed in pytest 10. See `hook-markers` for more details. - [#​14434](pytest-dev/pytest#14434): The `--pastebin` option is now deprecated. The same functionality is now available in an external plugin, `pytest-pastebin`. See `pastebin-deprecated` for more details. - [#​14513](pytest-dev/pytest#14513): The private `FixtureDef.has_location` attribute is now deprecated and will be removed in pytest 10. See `fixturedef-has-location-deprecated` for details. - [#​1764](pytest-dev/pytest#1764): `pytest.console_main` is now deprecated and will be removed in pytest 10. It was never intended for programmatic use; use `pytest.main` instead. #### New features - [#​12376](pytest-dev/pytest#12376): Added `pytest.register_fixture()` to register fixtures using an imperative interface. This is an advanced function intended for use by plugins. Normally, fixtures should be registered declaratively using the `@pytest.fixture <pytest.fixture>` decorator. Pytest looks for these fixture definitions during the collection phase and registers them automatically. For some plugin usecases the declarative interface can be cumbersome or unviable, in which case this imperative interface can be used. - [#​14023](pytest-dev/pytest#14023): Added <span class="title-ref">--report-chars</span> long CLI option. - [#​14371](pytest-dev/pytest#14371): Added `--max-warnings` command-line option and `max_warnings` configuration option to fail the test run when the number of warnings exceeds a given threshold -- by `miketheman`. - [#​6757](pytest-dev/pytest#6757): Added the `assertion_text_diff_style` configuration option, allowing string equality failures to be rendered as separate `Left:` and `Right:` blocks instead of `ndiff` output. - [#​8395](pytest-dev/pytest#8395): Added support for `~datetime.datetime` and `~datetime.timedelta` comparisons with `pytest.approx`. An explicit `abs` or `rel` tolerance as a `~datetime.timedelta` is required and relative tolerance is not supported for datetime comparisons -- by `hamza-mobeen`. #### Improvements in existing functionality - [#​11225](pytest-dev/pytest#11225): `pytest.warns` now shows "Regex pattern did not match" instead of "DID NOT WARN" when warnings were emitted but the `match` pattern did not match. - [#​11295](pytest-dev/pytest#11295): Improved output of `--fixtures-per-test` by excluding internal-implementation fixtures generated by `@pytest.mark.parametrize` and similar. - [#​13241](pytest-dev/pytest#13241): `pytest.raises`, `pytest.warns` and `pytest.deprecated_call` now uses `ParamSpec` for the type hint to the (old and not recommended) callable overload, instead of `Any`. This allows type checkers to raise errors when passing incorrect function parameters. `func` can now also be passed as a kwarg, which the type hint previously showed as possible but didn't accept. - [#​13862](pytest-dev/pytest#13862): Improved the readability of "DID NOT RAISE" error messages by using the exception type's name instead of its <span class="title-ref">repr</span>. - [#​14026](pytest-dev/pytest#14026): Added test coverage for compiled regex patterns in `pytest.raises` match parameter. - [#​14137](pytest-dev/pytest#14137): <span class="title-ref">pytest.ScopeName</span> is now public to allow using it in function signatures. - [#​14342](pytest-dev/pytest#14342): Marked `yield_fixture` as deprecated to type checkers using the `deprecated` decorator. Note it `has originally been deprecated <yield-fixture-deprecated>` in pytest 6.2 already. - [#​14373](pytest-dev/pytest#14373): Added type annotations for `pytest.approx`. - [#​14430](pytest-dev/pytest#14430): When using `--setup-show`, a space is now printed after the test name (and possibly used fixtures), to separate it from the test result. - [#​14441](pytest-dev/pytest#14441): Reduced the default number of `gc.collect()` passes in the `unraisableexception` plugin from 5 to 1 on CPython, where reference counting makes a single pass sufficient. PyPy retains 5 passes due to object resurrection via `__del__`. This can noticeably speed up test suites that trigger many pytester runs. - [#​14461](pytest-dev/pytest#14461): Improved assertion failure explanations for equality comparisons between mapping objects that are not `dict` instances. - [#​14513](pytest-dev/pytest#14513): The order in which fixture definitions overriding each other are resolved is now determined first by their *visibility* in the collection tree rather than by the order in which they are registered. A fixture defined for a more specific node (e.g. a module or an item) now always takes precedence over one with the same name defined for a more general node (e.g. the session), even when the more general one was registered later. Fixtures with non-comparable visibility or the same visibility keep the existing behavior of "last registered wins". This change is supposed to only affect plugins which register multiple fixtures programmatically with the same name. - [#​14524](pytest-dev/pytest#14524): Add official Python 3.15 support. - [#​1764](pytest-dev/pytest#1764): Improved argparse program name to show `pytest`, `python -m pytest`, or `pytest.main()` based on how pytest was invoked, making help and error messages clearer. - [#​8265](pytest-dev/pytest#8265): Emit a `PytestCollectionWarning` when a module-level `__getattr__` returns `None` for `pytestmark` instead of raising `AttributeError`. Previously this caused a cryptic `TypeError: got None instead of Mark` error. Now pytest issues a helpful warning and continues collecting the module normally. #### Bug fixes - [#​13192](pytest-dev/pytest#13192): Fixed <span class="title-ref">|</span> (pipe) not being treated as a regex meta-character that needs escaping in `pytest.raises(match=...) <pytest.raises>`. - [#​13484](pytest-dev/pytest#13484): Fixed `-W` option values being duplicated in `Config.known_args_namespace`. - [#​13626](pytest-dev/pytest#13626): Fixed function-scoped fixture values being kept alive after a test was interrupted by `KeyboardInterrupt` or early exit, allowing them to potentially be released more promptly. - [#​13784](pytest-dev/pytest#13784): Fixed `capteesys` producing doubled output when used with `--capture=no` (`-s`). - [#​13817](pytest-dev/pytest#13817): Fixed a secondary <span class="title-ref">AttributeError</span> masking the original error when an option argument fails to initialize. - [#​13884](pytest-dev/pytest#13884): Fixed rare internal IndexError caused by <span class="title-ref">builtins.compile</span> being overridden in client code. - [#​13885](pytest-dev/pytest#13885): Fixed autouse fixtures defined inside a `unittest.TestCase` class running even when the class is decorated with `unittest.skip` or `unittest.skipIf` -- regression since pytest 8.1.0. - [#​13917](pytest-dev/pytest#13917): `unittest.SkipTest` is no longer considered an interactive exception, i.e. `pytest_exception_interact` is no longer called for it. - [#​13963](pytest-dev/pytest#13963): Fixed subtests running with `pytest-xdist` when their contexts contain objects that are not JSON-serializable. Fixes [pytest-dev/pytest-xdist#1273](pytest-dev/pytest-xdist#1273). - [#​14004](pytest-dev/pytest#14004): Fixed conftest.py fixture scoping when `testpaths` points outside of the `rootdir <rootdir>`. Previously, fixtures from nested conftest.py files would incorrectly leak to sibling directories when using a relative `testpaths` like `../tests/sdk`. Conftest fixtures are now parsed during `Directory <pytest.Directory>` collection, using the `Directory` node for proper scoping. - [#​14050](pytest-dev/pytest#14050): Display dictionary differences in assertion failures using the original key insertion order instead of sorted order. - [#​14080](pytest-dev/pytest#14080): fix missing type annotations on `Pytester.makepyfile` and `Pytester.maketxtfile` methods. - [#​14114](pytest-dev/pytest#14114): An exception from `pytest_fixture_post_finalizer` no longer prevents fixtures from being torn down, causing additional errors in the following tests. - [#​14161](pytest-dev/pytest#14161): Fixed `monkeypatch.setattr() <pytest.MonkeyPatch.setattr>` leaving a stale entry on the undo stack when the underlying `setattr()` call fails (e.g. on immutable targets), causing an `AttributeError` crash during teardown. - [#​14214](pytest-dev/pytest#14214): Fixed `-v` hint in `pytest.raises` match diff not working because assertion verbosity was not propagated. - [#​14234](pytest-dev/pytest#14234): Allow `pytest.HIDDEN_PARAM <hidden-param>` in `@pytest.mark.parametrize(ids=...) <pytest.mark.parametrize ref>` typing. - [#​14248](pytest-dev/pytest#14248): Fixed direct parametrization causing the static fixture closure (as reflected in `request.fixturenames <pytest.FixtureRequest.fixturenames>`) to omit fixtures that are requested transitively from overridden fixtures. - [#​14263](pytest-dev/pytest#14263): Unraisable exceptions from finalizers are now collected during `pytest_unconfigure`, before pytest tears down the warning filters installed for the session. Previously the collection ran from a cleanup callback whose order relative to other plugins' cleanups was not guaranteed, so an active `error` filter could be removed before the exception surfaced and a late resource leak would pass silently. A `-W error` filter, or any filter matching `pytest.PytestUnraisableExceptionWarning`, now promotes these exceptions to failures regardless of plugin cleanup order. - [#​14377](pytest-dev/pytest#14377): Fixed crash in <span class="title-ref">Config.get\_terminal\_writer</span> when an assertion fails with the `terminalreporter` plugin disabled. - [#​14381](pytest-dev/pytest#14381): Fixed `-V` (short form of `--version`) to properly display the current version. - [#​14389](pytest-dev/pytest#14389): Improved `pytest.raises(..., match=...) <pytest.raises>` failures to suppress the mismatched exception as a cause of the resulting `AssertionError`. - [#​14392](pytest-dev/pytest#14392): Fixed a bug in `pytest.raises(match=...) <pytest.raises>` "fully escaped" detection, causing the regex diff display to be shown in some instances when the raw string diff display should be shown instead. - [#​14442](pytest-dev/pytest#14442): Fixed a regression in pytest 9.0 where `--strict-markers` and `--strict-config` specified through `addopts` were silently ignored. Note that when targeting pytest >= 9.0, it's nicer to use `strict_markers` and `strict_config`, or `strict mode <strict mode>`. - [#​14456](pytest-dev/pytest#14456): Fixed `pytest.approx` not recognizing types with `__array_interface__` as numpy-like arrays. - [#​14474](pytest-dev/pytest#14474): Fixed a regression where `-k` and `-m` expressions containing both backslash characters in identifiers and string literal arguments would incorrectly raise a `SyntaxError` about escaping. - [#​14483](pytest-dev/pytest#14483): Fixed JUnit XML report incorrectly escaping high Unicode codepoints (supplementary plane characters like emoji) in test failure messages. -- by `EternalRights` - [#​14492](pytest-dev/pytest#14492): Fixed `Code.getargs()` incorrectly including local variable names in the returned argument tuple for functions with `*args` and/or `**kwargs`. The method was using `co_flags` bitmask values (`4` and `8`) directly as counts instead of converting them to `1` via `bool()`, and was not accounting for `co_kwonlyargcount` when `var=True`. - [#​3697](pytest-dev/pytest#3697): Logging capture now works for non-propagating loggers. Previously only logs which reached the root logger were captured. This includes `caplog` and the "Captured log calls" test reporting. - [#​3850](pytest-dev/pytest#3850): Fixed JUnit XML report: the `tests` attribute of the `<testsuite>` element now always matches the number of `<testcase>` elements in the file. In some cases (test passes but fails during teardown) the `tests` attribute would report an incorrect number of testcases in the XML file. - [#​5848](pytest-dev/pytest#5848): `pytest_fixture_post_finalizer` is no longer called extra times for the same fixture teardown in some cases. - [#​719](pytest-dev/pytest#719): Fixed `@pytest.mark.parametrize <pytest.mark.parametrize ref>` not unpacking single-element tuple values when using a string argnames with a trailing comma (e.g., `"arg,"`). The trailing comma form now correctly behaves like the tuple form `("arg",)`, treating argvalues as a list of tuples to unpack. #### Improved documentation - [#​11022](pytest-dev/pytest#11022): Document safer alternatives and scope guidance for monkeypatching standard library functions. - [#​11307](pytest-dev/pytest#11307): Document that `@pytest.hookimpl(specname=...)` only works for function names starting with `pytest_`. - [#​13038](pytest-dev/pytest#13038): Document that doctests do not support parametrized fixtures, including parametrized autouse fixtures. - [#​13155](pytest-dev/pytest#13155): Clarified how the `request` fixture provides indirect parametrization values via `request.param`. - [#​13304](pytest-dev/pytest#13304): Clarified in the documentation that hook implementations defined in `conftest.py` files are not available to other plugins during their `pytest_addoption()` execution, as conftest files are discovered and loaded after builtin and third-party plugins have been initialized. However, initial conftest files themselves can implement `pytest_addoption()` to add their own command-line options. - [#​13902](pytest-dev/pytest#13902): Clarified how subtest progress markers are shown in the documentation. - [#​14012](pytest-dev/pytest#14012): The `ini options ref` section of the API Reference now specified the type and default value of every configuration option. - [#​14148](pytest-dev/pytest#14148): Documented a safe `pytestconfig.cache` access pattern when the `cacheprovider` plugin is disabled. - [#​14303](pytest-dev/pytest#14303): The documentation is now built with Sphinx >= 9. - [#​14465](pytest-dev/pytest#14465): Updated the hooks how-to page to link the `newhooks.py` file in `pytest-xdist` at tag `v3.8.0` instead of an unrelated 2017-era commit under the old layout. Pointing at a tag keeps the example in sync with the version users actually install, while remaining stable when the project's main branch moves on. #### Miscellaneous internal changes - [#​14582](pytest-dev/pytest#14582): Improved the recursion traceback test to exercise all requested traceback styles. ### [`v9.0.3`](https://github.com/pytest-dev/pytest/releases/tag/9.0.3) [Compare Source](pytest-dev/pytest@9.0.2...9.0.3) ### pytest 9.0.3 (2026-04-07) #### Bug fixes - [#​12444](pytest-dev/pytest#12444): Fixed `pytest.approx` which now correctly takes into account `~collections.abc.Mapping` keys order to compare them. - [#​13634](pytest-dev/pytest#13634): Blocking a `conftest.py` file using the `-p no:` option is now explicitly disallowed. Previously this resulted in an internal assertion failure during plugin loading. Pytest now raises a clear `UsageError` explaining that conftest files are not plugins and cannot be disabled via `-p`. - [#​13734](pytest-dev/pytest#13734): Fixed crash when a test raises an exceptiongroup with `__tracebackhide__ = True`. - [#​14195](pytest-dev/pytest#14195): Fixed an issue where non-string messages passed to <span class="title-ref">unittest.TestCase.subTest()</span> were not printed. - [#​14343](pytest-dev/pytest#14343): Fixed use of insecure temporary directory (CVE-2025-71176). #### Improved documentation - [#​13388](pytest-dev/pytest#13388): Clarified documentation for `-p` vs `PYTEST_PLUGINS` plugin loading and fixed an incorrect `-p` example. - [#​13731](pytest-dev/pytest#13731): Clarified that capture fixtures (e.g. `capsys` and `capfd`) take precedence over the `-s` / `--capture=no` command-line options in `Accessing captured output from a test function <accessing-captured-output>`. - [#​14088](pytest-dev/pytest#14088): Clarified that the default `pytest_collection` hook sets `session.items` before it calls `pytest_collection_finish`, not after. - [#​14255](pytest-dev/pytest#14255): TOML integer log levels must be quoted: Updating reference documentation. #### Contributor-facing changes - [#​12689](pytest-dev/pytest#12689): The test reports are now published to Codecov from GitHub Actions. The test statistics is visible [on the web interface](https://app.codecov.io/gh/pytest-dev/pytest/tests). \-- by `aleguy02` ### [`v9.0.2`](https://github.com/pytest-dev/pytest/releases/tag/9.0.2) [Compare Source](pytest-dev/pytest@9.0.1...9.0.2) ### pytest 9.0.2 (2025-12-06) #### Bug fixes - [#​13896](pytest-dev/pytest#13896): The terminal progress feature added in pytest 9.0.0 has been disabled by default, except on Windows, due to compatibility issues with some terminal emulators. You may enable it again by passing `-p terminalprogress`. We may enable it by default again once compatibility improves in the future. Additionally, when the environment variable `TERM` is `dumb`, the escape codes are no longer emitted, even if the plugin is enabled. - [#​13904](pytest-dev/pytest#13904): Fixed the TOML type of the `tmp_path_retention_count` settings in the API reference from number to string. - [#​13946](pytest-dev/pytest#13946): The private `config.inicfg` attribute was changed in a breaking manner in pytest 9.0.0. Due to its usage in the ecosystem, it is now restored to working order using a compatibility shim. It will be deprecated in pytest 9.1 and removed in pytest 10. - [#​13965](pytest-dev/pytest#13965): Fixed quadratic-time behavior when handling `unittest` subtests in Python 3.10. #### Improved documentation - [#​4492](pytest-dev/pytest#4492): The API Reference now contains cross-reference-able documentation of `pytest's command-line flags <command-line-flags>`. ### [`v9.0.1`](https://github.com/pytest-dev/pytest/releases/tag/9.0.1) [Compare Source](pytest-dev/pytest@9.0.0...9.0.1) ### pytest 9.0.1 (2025-11-12) #### Bug fixes - [#​13895](pytest-dev/pytest#13895): Restore support for skipping tests via `raise unittest.SkipTest`. - [#​13896](pytest-dev/pytest#13896): The terminal progress plugin added in pytest 9.0 is now automatically disabled when iTerm2 is detected, it generated desktop notifications instead of the desired functionality. - [#​13904](pytest-dev/pytest#13904): Fixed the TOML type of the verbosity settings in the API reference from number to string. - [#​13910](pytest-dev/pytest#13910): Fixed <span class="title-ref">UserWarning: Do not expect file\_or\_dir</span> on some earlier Python 3.12 and 3.13 point versions. #### Packaging updates and notes for downstreams - [#​13933](pytest-dev/pytest#13933): The tox configuration has been adjusted to make sure the desired version string can be passed into its `package_env` through the `SETUPTOOLS_SCM_PRETEND_VERSION_FOR_PYTEST` environment variable as a part of the release process -- by `webknjaz`. #### Contributor-facing changes - [#​13891](pytest-dev/pytest#13891), [#​13942](pytest-dev/pytest#13942): The CI/CD part of the release automation is now capable of creating GitHub Releases without having a Git checkout on disk -- by `bluetech` and `webknjaz`. - [#​13933](pytest-dev/pytest#13933): The tox configuration has been adjusted to make sure the desired version string can be passed into its `package_env` through the `SETUPTOOLS_SCM_PRETEND_VERSION_FOR_PYTEST` environment variable as a part of the release process -- by `webknjaz`. ### [`v9.0.0`](https://github.com/pytest-dev/pytest/releases/tag/9.0.0) [Compare Source](pytest-dev/pytest@8.4.2...9.0.0) ### pytest 9.0.0 (2025-11-05) #### New features - [#​1367](pytest-dev/pytest#1367): **Support for subtests** has been added. `subtests <subtests>` are an alternative to parametrization, useful in situations where the parametrization values are not all known at collection time. Example: ```python def contains_docstring(p: Path) -> bool: """Return True if the given Python file contains a top-level docstring.""" ... def test_py_files_contain_docstring(subtests: pytest.Subtests) -> None: for path in Path.cwd().glob("*.py"): with subtests.test(path=str(path)): assert contains_docstring(path) ``` Each assert failure or error is caught by the context manager and reported individually, giving a clear picture of all files that are missing a docstring. In addition, `unittest.TestCase.subTest` is now also supported. This feature was originally implemented as a separate plugin in [pytest-subtests](https://github.com/pytest-dev/pytest-subtests), but since then has been merged into the core. > \[!NOTE] > This feature is experimental and will likely evolve in future releases. By that we mean that we might change how subtests are reported on failure, but the functionality and how to use it are stable. - [#​13743](pytest-dev/pytest#13743): Added support for **native TOML configuration files**. While pytest, since version 6, supports configuration in `pyproject.toml` files under `[tool.pytest.ini_options]`, it does so in an "INI compatibility mode", where all configuration values are treated as strings or list of strings. Now, pytest supports the native TOML data model. In `pyproject.toml`, the native TOML configuration is under the `[tool.pytest]` table. ```toml # pyproject.toml [tool.pytest] minversion = "9.0" addopts = ["-ra", "-q"] testpaths = [ "tests", "integration", ] ``` The `[tool.pytest.ini_options]` table remains supported, but both tables cannot be used at the same time. If you prefer to use a separate configuration file, or don't use `pyproject.toml`, you can use `pytest.toml` or `.pytest.toml`: ```toml # pytest.toml or .pytest.toml [pytest] minversion = "9.0" addopts = ["-ra", "-q"] testpaths = [ "tests", "integration", ] ``` The documentation now (sometimes) shows configuration snippets in both TOML and INI formats, in a tabbed interface. See `config file formats` for full details. - [#​13823](pytest-dev/pytest#13823): Added a **"strict mode"** enabled by the `strict` configuration option. When set to `true`, the `strict` option currently enables - `strict_config` - `strict_markers` - `strict_parametrization_ids` - `strict_xfail` The individual strictness options can be explicitly set to override the global `strict` setting. The previously-deprecated `--strict` command-line flag now enables strict mode. If pytest adds new strictness options in the future, they will also be enabled in strict mode. Therefore, you should only enable strict mode if you use a pinned/locked version of pytest, or if you want to proactively adopt new strictness options as they are added. See `strict mode` for more details. - [#​13737](pytest-dev/pytest#13737): Added the `strict_parametrization_ids` configuration option. When set, pytest emits an error if it detects non-unique parameter set IDs, rather than automatically making the IDs unique by adding <span class="title-ref">0</span>, <span class="title-ref">1</span>, ... to them. This can be particularly useful for catching unintended duplicates. - [#​13072](pytest-dev/pytest#13072): Added support for displaying test session **progress in the terminal tab** using the [OSC 9;4;](https://conemu.github.io/en/AnsiEscapeCodes.html#ConEmu_specific_OSC) ANSI sequence. When pytest runs in a supported terminal emulator like ConEmu, Gnome Terminal, Ptyxis, Windows Terminal, Kitty or Ghostty, you'll see the progress in the terminal tab or window, allowing you to monitor pytest's progress at a glance. This feature is automatically enabled when running in a TTY. It is implemented as an internal plugin. If needed, it can be disabled as follows: - On a user level, using `-p no:terminalprogress` on the command line or via an environment variable `PYTEST_ADDOPTS='-p no:terminalprogress'`. - On a project configuration level, using `addopts = "-p no:terminalprogress"`. - [#​478](pytest-dev/pytest#478): Support PEP420 (implicit namespace packages) as <span class="title-ref">--pyargs</span> target when `consider_namespace_packages` is <span class="title-ref">true</span> in the config. Previously, this option only impacted package imports, now it also impacts tests discovery. - [#​13678](pytest-dev/pytest#13678): Added a new `faulthandler_exit_on_timeout` configuration option set to "false" by default to let <span class="title-ref">faulthandler</span> interrupt the <span class="title-ref">pytest</span> process after a timeout in case of deadlock. Previously, a <span class="title-ref">faulthandler</span> timeout would only dump the traceback of all threads to stderr, but would not interrupt the <span class="title-ref">pytest</span> process. \-- by `ogrisel`. - [#​13829](pytest-dev/pytest#13829): Added support for configuration option aliases via the `aliases` parameter in `Parser.addini() <pytest.Parser.addini>`. Plugins can now register alternative names for configuration options, allowing for more flexibility in configuration naming and supporting backward compatibility when renaming options. The canonical name always takes precedence if both the canonical name and an alias are specified in the configuration file. #### Improvements in existing functionality - [#​13330](pytest-dev/pytest#13330): Having pytest configuration spread over more than one file (for example having both a `pytest.ini` file and `pyproject.toml` with a `[tool.pytest.ini_options]` table) will now print a warning to make it clearer to the user that only one of them is actually used. \-- by `sgaist` - [#​13574](pytest-dev/pytest#13574): The single argument `--version` no longer loads the entire plugin infrastructure, making it faster and more reliable when displaying only the pytest version. Passing `--version` twice (e.g., `pytest --version --version`) retains the original behavior, showing both the pytest version and plugin information. > \[!NOTE] > Since `--version` is now processed early, it only takes effect when passed directly via the command line. It will not work if set through other mechanisms, such as `PYTEST_ADDOPTS` or `addopts`. - [#​13823](pytest-dev/pytest#13823): Added `strict_xfail` as an alias to the `xfail_strict` option, `strict_config` as an alias to the `--strict-config` flag, and `strict_markers` as an alias to the `--strict-markers` flag. This makes all strictness options consistently have configuration options with the prefix `strict_`. - [#​13700](pytest-dev/pytest#13700): <span class="title-ref">--junitxml</span> no longer prints the <span class="title-ref">generated xml file</span> summary at the end of the pytest session when <span class="title-ref">--quiet</span> is given. - [#​13732](pytest-dev/pytest#13732): Previously, when filtering warnings, pytest would fail if the filter referenced a class that could not be imported. Now, this only outputs a message indicating the problem. - [#​13859](pytest-dev/pytest#13859): Clarify the error message for <span class="title-ref">pytest.raises()</span> when a regex <span class="title-ref">match</span> fails. - [#​13861](pytest-dev/pytest#13861): Better sentence structure in a test's expected error message. Previously, the error message would be "expected exception must be \<expected>, but got \<actual>". Now, it is "Expected \<expected>, but got \<actual>". #### Removals and backward incompatible breaking changes - [#​12083](pytest-dev/pytest#12083): Fixed a bug where an invocation such as <span class="title-ref">pytest a/ a/b</span> would cause only tests from <span class="title-ref">a/b</span> to run, and not other tests under <span class="title-ref">a/</span>. The fix entails a few breaking changes to how such overlapping arguments and duplicates are handled: 1. <span class="title-ref">pytest a/b a/</span> or <span class="title-ref">pytest a/ a/b</span> are equivalent to <span class="title-ref">pytest a</span>; if an argument overlaps another arguments, only the prefix remains. 2. <span class="title-ref">pytest x.py x.py</span> is equivalent to <span class="title-ref">pytest x.py</span>; previously such an invocation was taken as an explicit request to run the tests from the file twice. If you rely on these behaviors, consider using `--keep-duplicates <duplicate-paths>`, which retains its existing behavior (including the bug). - [#​13719](pytest-dev/pytest#13719): Support for Python 3.9 is dropped following its end of life. - [#​13766](pytest-dev/pytest#13766): Previously, pytest would assume it was running in a CI/CD environment if either of the environment variables <span class="title-ref">$CI</span> or <span class="title-ref">$BUILD\_NUMBER</span> was defined; now, CI mode is only activated if at least one of those variables is defined and set to a *non-empty* value. - [#​13779](pytest-dev/pytest#13779): **PytestRemovedIn9Warning deprecation warnings are now errors by default.** Following our plan to remove deprecated features with as little disruption as possible, all warnings of type `PytestRemovedIn9Warning` now generate errors instead of warning messages by default. **The affected features will be effectively removed in pytest 9.1**, so please consult the `deprecations` section in the docs for directions on how to update existing code. In the pytest `9.0.X` series, it is possible to change the errors back into warnings as a stopgap measure by adding this to your `pytest.ini` file: ```ini [pytest] filterwarnings = ignore::pytest.PytestRemovedIn9Warning ``` But this will stop working when pytest `9.1` is released. **If you have concerns** about the removal of a specific feature, please add a comment to `13779`. #### Deprecations (removal in next major release) - [#​13807](pytest-dev/pytest#13807): `monkeypatch.syspath_prepend() <pytest.MonkeyPatch.syspath_prepend>` now issues a deprecation warning when the prepended path contains legacy namespace packages (those using `pkg_resources.declare_namespace()`). Users should migrate to native namespace packages (`420`). See `monkeypatch-fixup-namespace-packages` for details. #### Bug fixes - [#​13445](pytest-dev/pytest#13445): Made the type annotations of `pytest.skip` and friends more spec-complaint to have them work across more type checkers. - [#​13537](pytest-dev/pytest#13537): Fixed a bug in which `ExceptionGroup` with only `Skipped` exceptions in teardown was not handled correctly and showed as error. - [#​13598](pytest-dev/pytest#13598): Fixed possible collection confusion on Windows when short paths and symlinks are involved. - [#​13716](pytest-dev/pytest#13716): Fixed a bug where a nonsensical invocation like `pytest x.py[a]` (a file cannot be parametrized) was silently treated as `pytest x.py`. This is now a usage error. - [#​13722](pytest-dev/pytest#13722): Fixed a misleading assertion failure message when using `pytest.approx` on mappings with differing lengths. - [#​13773](pytest-dev/pytest#13773): Fixed the static fixture closure calculation to properly consider transitive dependencies requested by overridden fixtures. - [#​13816](pytest-dev/pytest#13816): Fixed `pytest.approx` which now returns a clearer error message when comparing mappings with different keys. - [#​13849](pytest-dev/pytest#13849): Hidden `.pytest.ini` files are now picked up as the config file even if empty. This was an inconsistency with non-hidden `pytest.ini`. - [#​13865](pytest-dev/pytest#13865): Fixed <span class="title-ref">--show-capture</span> with <span class="title-ref">--tb=line</span>. - [#​13522](pytest-dev/pytest#13522): Fixed `pytester` in subprocess mode ignored all :attr\`pytester.plugins \<pytest.Pytester.plugins>\` except the first. Fixed `pytester` in subprocess mode silently ignored non-str `pytester.plugins <pytest.Pytester.plugins>`. Now it errors instead. If you are affected by this, specify the plugin by name, or switch the affected tests to use `pytester.runpytest_inprocess <pytest.Pytester.runpytest_inprocess>` explicitly instead. #### Packaging updates and notes for downstreams - [#​13791](pytest-dev/pytest#13791): Minimum requirements on `iniconfig` and `packaging` were bumped to `1.0.1` and `22.0.0`, respectively. #### Contributor-facing changes - [#​12244](pytest-dev/pytest#12244): Fixed self-test failures when <span class="title-ref">TERM=dumb</span>. - [#​12474](pytest-dev/pytest#12474): Added scheduled GitHub Action Workflow to run Sphinx linkchecks in repo documentation. - [#​13621](pytest-dev/pytest#13621): pytest's own testsuite now handles the `lsof` command hanging (e.g. due to unreachable network filesystems), with the affected selftests being skipped after 10 seconds. - [#​13638](pytest-dev/pytest#13638): Fixed deprecated `gh pr new` command in `scripts/prepare-release-pr.py`. The script now uses `gh pr create` which is compatible with GitHub CLI v2.0+. - [#​13695](pytest-dev/pytest#13695): Flush <span class="title-ref">stdout</span> and <span class="title-ref">stderr</span> in <span class="title-ref">Pytester.run</span> to avoid truncated outputs in <span class="title-ref">test\_faulthandler.py::test\_timeout</span> on CI -- by `ogrisel`. - [#​13771](pytest-dev/pytest#13771): Skip <span class="title-ref">test\_do\_not\_collect\_symlink\_siblings</span> on Windows environments without symlink support to avoid false negatives. - [#​13841](pytest-dev/pytest#13841): `tox>=4` is now required when contributing to pytest. - [#​13625](pytest-dev/pytest#13625): Added missing docstrings to `pytest_addoption()`, `pytest_configure()`, and `cacheshow()` functions in `cacheprovider.py`. #### Miscellaneous internal changes - [#​13830](pytest-dev/pytest#13830): Configuration overrides (`-o`/`--override-ini`) are now processed during startup rather than during `config.getini() <pytest.Config.getini>`. </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yNzEuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI3MS4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJzZWN1cml0eSJdfQ==-->Reviewed-on: https://git.tainton.uk/repos/labmcp/pulls/2 Reviewed-by: Luke Tainton <[email protected]> Co-authored-by: renovate[bot] <[email protected]>
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The 5-iteration default was borrowed from the Trio project, where it was determined empirically to handle PyPy's object resurrection behavior: on PyPy, objects like coroutines can survive GC rounds because executing their del can resurrect them.
On CPython, reference counting frees most objects immediately. One GC pass is sufficient to handle reference cycles, as confirmed by all test_unraisableexception tests passing (including the refcycle variants).
Use 1 pass on CPython and retain 5 on PyPy.