requests-toolbelt <1 not compatible with urllib3 v2

- **Poetry version**: 1.7.0 
- **Python version**: 3.11.5 
- **OS version and name**: macOS 13.6 
- **pyproject.toml**:  n/a


- [x] I am on the [latest](https://github.com/python-poetry/poetry/releases/latest) stable Poetry version, installed using a recommended method.
- [x] I have searched the [issues](https://github.com/python-poetry/poetry/issues) of this repo and believe that this is not a duplicate.
- [x] I have consulted the [FAQ](https://python-poetry.org/docs/faq/) and [blog](https://python-poetry.org/blog/) for any relevant entries or release notes.
- [x] If an exception occurs when executing a command, I executed it again in debug mode (`-vvv` option) and have included the output below.

## Issue



If you already have requests-toolbelt < 1 installed, it's incompatible with urllib3 v2.

I suggest bumping the minimum requests-toolbelt version to v1.


# Fresh install, with latest requests-toolbelt 1.0.0

```console
$ rm -rf venv
$ python -m venv venv
$ venv/bin/python3 -m pip install poetry
...
$ venv/bin/python3 -m pip freeze
build==1.0.3
CacheControl==0.13.1
certifi==2023.7.22
cffi==1.16.0
charset-normalizer==3.3.2
cleo==2.1.0
crashtest==0.4.1
distlib==0.3.7
dulwich==0.21.6
fastjsonschema==2.19.0
filelock==3.13.1
idna==3.4
importlib-metadata==6.8.0
installer==0.7.0
jaraco.classes==3.3.0
keyring==24.3.0
more-itertools==10.1.0
msgpack==1.0.7
packaging==23.2
pexpect==4.8.0
pkginfo==1.9.6
platformdirs==3.11.0
poetry==1.7.0
poetry-core==1.8.1
poetry-plugin-export==1.6.0
ptyprocess==0.7.0
pycparser==2.21
pyproject_hooks==1.0.0
rapidfuzz==3.5.2
requests==2.31.0
requests-toolbelt==1.0.0
shellingham==1.5.4
tomlkit==0.12.3
trove-classifiers==2023.11.14
urllib3==2.1.0
virtualenv==20.24.6
xattr==0.10.1
zipp==3.17.0
```
```console
$ venv/bin/python3 -m poetry init

This command will guide you through creating your pyproject.toml config.

Package name [poetry-test]:
...

```

Other poetry commands work fine.


# With requests-toolbelt < 1 already installed


```console
$ rm -rf venv
$ python -m venv venv
$ venv/bin/python3 -m pip install "requests-toolbelt<1"
...
$ venv/bin/python3 -m pip install poetry
...
$ venv/bin/python3 -m pip freeze
build==1.0.3
CacheControl==0.13.1
certifi==2023.7.22
cffi==1.16.0
charset-normalizer==3.3.2
cleo==2.1.0
crashtest==0.4.1
distlib==0.3.7
dulwich==0.21.6
fastjsonschema==2.19.0
filelock==3.13.1
idna==3.4
importlib-metadata==6.8.0
installer==0.7.0
jaraco.classes==3.3.0
keyring==24.3.0
more-itertools==10.1.0
msgpack==1.0.7
packaging==23.2
pexpect==4.8.0
pkginfo==1.9.6
platformdirs==3.11.0
poetry==1.7.0
poetry-core==1.8.1
poetry-plugin-export==1.6.0
ptyprocess==0.7.0
pycparser==2.21
pyproject_hooks==1.0.0
rapidfuzz==3.5.2
requests==2.31.0
requests-toolbelt==0.10.1
shellingham==1.5.4
tomlkit==0.12.3
trove-classifiers==2023.11.14
urllib3==2.1.0
virtualenv==20.24.6
xattr==0.10.1
zipp==3.17.0
```
```pytb
$ venv/bin/python3 -m poetry init
Traceback (most recent call last):
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 48, in <module>
    from requests.packages.urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'requests.packages.urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/cleo/application.py", line 327, in run
    exit_code = self._run(io)
                ^^^^^^^^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 188, in _run
    self._load_plugins(io)
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 354, in _load_plugins
    manager.load_plugins()
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/plugins/plugin_manager.py", line 38, in load_plugins
    self._load_plugin_entry_point(ep)
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/plugins/plugin_manager.py", line 76, in _load_plugin_entry_point
    plugin = ep.load()  # type: ignore[no-untyped-call]
             ^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/importlib/metadata/__init__.py", line 202, in load
    module = import_module(match.group('module'))
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1204, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 940, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry_plugin_export/plugins.py", line 7, in <module>
    from poetry_plugin_export.command import ExportCommand
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry_plugin_export/command.py", line 12, in <module>
    from poetry_plugin_export.exporter import Exporter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry_plugin_export/exporter.py", line 11, in <module>
    from poetry.repositories.http_repository import HTTPRepository
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/repositories/http_repository.py", line 26, in <module>
    from poetry.utils.authenticator import Authenticator
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/utils/authenticator.py", line 22, in <module>
    from requests_toolbelt import user_agent
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/__init__.py", line 12, in <module>
    from .adapters import SSLAdapter, SourceAddressAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/__init__.py", line 12, in <module>
    from .ssl import SSLAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/ssl.py", line 16, in <module>
    from .._compat import poolmanager
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 50, in <module>
    from urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 48, in <module>
    from requests.packages.urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'requests.packages.urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/__main__.py", line 9, in <module>
    sys.exit(main())
             ^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 411, in main
    exit_code: int = Application().run()
                     ^^^^^^^^^^^^^^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/cleo/application.py", line 338, in run
    self.render_error(e, io)
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 180, in render_error
    self.set_solution_provider_repository(self._get_solution_provider_repository())
                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 400, in _get_solution_provider_repository
    from poetry.mixology.solutions.providers.python_requirement_solution_provider import (
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/mixology/solutions/providers/__init__.py", line 3, in <module>
    from poetry.mixology.solutions.providers.python_requirement_solution_provider import (
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/mixology/solutions/providers/python_requirement_solution_provider.py", line 9, in <module>
    from poetry.puzzle.exceptions import SolverProblemError
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/puzzle/__init__.py", line 3, in <module>
    from poetry.puzzle.solver import Solver
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/puzzle/solver.py", line 16, in <module>
    from poetry.puzzle.provider import Indicator
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/puzzle/provider.py", line 27, in <module>
    from poetry.packages.direct_origin import DirectOrigin
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/packages/direct_origin.py", line 14, in <module>
    from poetry.vcs.git import Git
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/vcs/git/__init__.py", line 3, in <module>
    from poetry.vcs.git.backend import Git
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/vcs/git/backend.py", line 25, in <module>
    from poetry.utils.authenticator import get_default_authenticator
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/utils/authenticator.py", line 22, in <module>
    from requests_toolbelt import user_agent
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/__init__.py", line 12, in <module>
    from .adapters import SSLAdapter, SourceAddressAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/__init__.py", line 12, in <module>
    from .ssl import SSLAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/ssl.py", line 16, in <module>
    from .._compat import poolmanager
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 50, in <module>
    from urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)
```

Same thing with other poetry commands.

The only difference in `pip freeze` is the requests-toolbelt version.

# And again in debug mode

As requested by the issue template. Output looks the same because the exception happens immediately, but I didn't compare in detail.

<details>
<summary>Details</summary>



```pytb
$ venv/bin/python3 -m poetry init -vvv
Traceback (most recent call last):
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 48, in <module>
    from requests.packages.urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'requests.packages.urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/cleo/application.py", line 327, in run
    exit_code = self._run(io)
                ^^^^^^^^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 188, in _run
    self._load_plugins(io)
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 354, in _load_plugins
    manager.load_plugins()
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/plugins/plugin_manager.py", line 38, in load_plugins
    self._load_plugin_entry_point(ep)
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/plugins/plugin_manager.py", line 76, in _load_plugin_entry_point
    plugin = ep.load()  # type: ignore[no-untyped-call]
             ^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/importlib/metadata/__init__.py", line 202, in load
    module = import_module(match.group('module'))
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1204, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 940, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry_plugin_export/plugins.py", line 7, in <module>
    from poetry_plugin_export.command import ExportCommand
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry_plugin_export/command.py", line 12, in <module>
    from poetry_plugin_export.exporter import Exporter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry_plugin_export/exporter.py", line 11, in <module>
    from poetry.repositories.http_repository import HTTPRepository
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/repositories/http_repository.py", line 26, in <module>
    from poetry.utils.authenticator import Authenticator
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/utils/authenticator.py", line 22, in <module>
    from requests_toolbelt import user_agent
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/__init__.py", line 12, in <module>
    from .adapters import SSLAdapter, SourceAddressAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/__init__.py", line 12, in <module>
    from .ssl import SSLAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/ssl.py", line 16, in <module>
    from .._compat import poolmanager
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 50, in <module>
    from urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 48, in <module>
    from requests.packages.urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'requests.packages.urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/__main__.py", line 9, in <module>
    sys.exit(main())
             ^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 411, in main
    exit_code: int = Application().run()
                     ^^^^^^^^^^^^^^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/cleo/application.py", line 338, in run
    self.render_error(e, io)
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 180, in render_error
    self.set_solution_provider_repository(self._get_solution_provider_repository())
                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/console/application.py", line 400, in _get_solution_provider_repository
    from poetry.mixology.solutions.providers.python_requirement_solution_provider import (
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/mixology/solutions/providers/__init__.py", line 3, in <module>
    from poetry.mixology.solutions.providers.python_requirement_solution_provider import (
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/mixology/solutions/providers/python_requirement_solution_provider.py", line 9, in <module>
    from poetry.puzzle.exceptions import SolverProblemError
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/puzzle/__init__.py", line 3, in <module>
    from poetry.puzzle.solver import Solver
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/puzzle/solver.py", line 16, in <module>
    from poetry.puzzle.provider import Indicator
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/puzzle/provider.py", line 27, in <module>
    from poetry.packages.direct_origin import DirectOrigin
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/packages/direct_origin.py", line 14, in <module>
    from poetry.vcs.git import Git
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/vcs/git/__init__.py", line 3, in <module>
    from poetry.vcs.git.backend import Git
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/vcs/git/backend.py", line 25, in <module>
    from poetry.utils.authenticator import get_default_authenticator
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/poetry/utils/authenticator.py", line 22, in <module>
    from requests_toolbelt import user_agent
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/__init__.py", line 12, in <module>
    from .adapters import SSLAdapter, SourceAddressAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/__init__.py", line 12, in <module>
    from .ssl import SSLAdapter
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/adapters/ssl.py", line 16, in <module>
    from .._compat import poolmanager
  File "/private/tmp/poetry-test/venv/lib/python3.11/site-packages/requests_toolbelt/_compat.py", line 50, in <module>
    from urllib3.contrib import appengine as gaecontrib
ImportError: cannot import name 'appengine' from 'urllib3.contrib' (/private/tmp/poetry-test/venv/lib/python3.11/site-packages/urllib3/contrib/__init__.py)
```






</details>

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

requests-toolbelt <1 not compatible with urllib3 v2 #8679

Issue

Fresh install, with latest requests-toolbelt 1.0.0

With requests-toolbelt < 1 already installed

And again in debug mode

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

requests-toolbelt <1 not compatible with urllib3 v2 #8679

Description

Issue

Fresh install, with latest requests-toolbelt 1.0.0

With requests-toolbelt < 1 already installed

And again in debug mode

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions