Isolated build fails with generic StopIteration when pip is not provisioned in venv #266
Description
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- What is your operating system and version?
CentOS 7.6.1810
- What is your Python version?
Python 3.6.5
- What version of pip do you have?
pip-21.0.1
- If following an online tutorial or guide, please provide a link to the page or section giving you trouble:
- Could you describe your issue in as much detail as possible?
Created a sample-project according to the tutorial.
Set up a virtual environment, upgraded pip to the latest and installed build-0.3.1.post1
Ran python -m build --sdist --wheel to create both a wheel and an sdist, and then encountered this:
Traceback (most recent call last):
File "/usr/lib64/python3.6/runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "/usr/lib64/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/dominikglenz/.virtualenvs/tmp-5bea59413b8ffc04/lib/python3.6/site-packages/build/__main__.py", line 214, in <module>
main(sys.argv[1:], 'python -m build')
File "/home/dominikglenz/.virtualenvs/tmp-5bea59413b8ffc04/lib/python3.6/site-packages/build/__main__.py", line 206, in main
build_package(args.srcdir, outdir, distributions, config_settings, not args.no_isolation, args.skip_dependencies)
File "/home/dominikglenz/.virtualenvs/tmp-5bea59413b8ffc04/lib/python3.6/site-packages/build/__main__.py", line 94, in build_package
_build_in_isolated_env(builder, outdir, distributions, config_settings)
File "/home/dominikglenz/.virtualenvs/tmp-5bea59413b8ffc04/lib/python3.6/site-packages/build/__main__.py", line 52, in _build_in_isolated_env
with IsolatedEnvBuilder() as env:
File "/home/dominikglenz/.virtualenvs/tmp-5bea59413b8ffc04/lib/python3.6/site-packages/build/env.py", line 91, in __enter__
executable, scripts_dir = _create_isolated_env_venv(self._path)
File "/home/dominikglenz/.virtualenvs/tmp-5bea59413b8ffc04/lib/python3.6/site-packages/build/env.py", line 203, in _create_isolated_env_venv
pip_distribution = next(iter(metadata.distributions(name='pip', path=[purelib])))
StopIteration
It looks like build did not add pip to the /tmp/build-env-*/ site-packages.