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Description
A combination of a slower machine and the git history getting really large results in a confusing error when building from a freshly cloned repository. My first instinct when seeing the 40 second timeout was that something was hanging, but it looks like this was actually just a too-short timeout threshold.
We should either:
- Increase the timeout (but this is a moving target)
- Put a
git statusin the development installation instructions - Make the error message more helpful
Steps to reproduce:
- Clone the repository (do not run
git status) - Build from source
setuptools_scmerror, which results from a 40 second timeout- Run
git status, which will refresh the git index (10-20 second task) - Building from source does not time out now
(mpl-dev) scott@DESKTOP-M5S4AGS:~/coding/matplotlib$ pip install --verbose --no-build-isolation --editable ".[dev]"
Using pip 25.0.1 from /home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/pip (python 3.12)
Obtaining file:///mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib
Running command Checking if build backend supports build_editable
Checking if build backend supports build_editable ... done
Running command Preparing editable metadata (pyproject.toml)
+ meson setup --reconfigure /mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib /mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib/build/cp312 -Dbuildtype=release -Db_ndebug=if-release -Db_vscrt=md --native-file=/mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib/build/cp312/meson-python-native-file.ini
The Meson build system
Version: 1.7.0
Source dir: /mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib
Build dir: /mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib/build/cp312
Build type: native build
Program python3 found: YES (/home/scott/anaconda3/envs/mpl-dev/bin/python3)
../../meson.build:4:11: ERROR: Command `/home/scott/anaconda3/envs/mpl-dev/bin/python3 -m setuptools_scm` failed with status 1.
A full log can be found at /mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib/build/cp312/meson-logs/meson-log.txt
error: subprocess-exited-with-error
meson-log.txt looks like:
Build started at 2025-04-01T13:04:59.883199
Main binary: /home/scott/anaconda3/envs/mpl-dev/bin/python3.12
Build Options: -Dbuildtype=release -Db_ndebug=if-release -Db_vscrt=md --native-file=/mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib/build/cp312/meson-python-native-file.ini
Python system: Linux
The Meson build system
Version: 1.7.0
Source dir: /mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib
Build dir: /mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib/build/cp312
Build type: native build
Program python3 found: YES (/home/scott/anaconda3/envs/mpl-dev/bin/python3)
Running command: /home/scott/anaconda3/envs/mpl-dev/bin/python3 -m setuptools_scm
--- stdout ---
--- stderr ---
Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/__main__.py", line 6, in <module>
raise SystemExit(main())
^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/_cli.py", line 37, in main
version = _get_version(
^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/_get_version_impl.py", line 98, in _get_version
parsed_version = parse_version(config)
^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/_get_version_impl.py", line 61, in parse_version
or parse_scm_version(config)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/_get_version_impl.py", line 40, in parse_scm_version
return _entrypoints.version_from_entrypoint(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/_entrypoints.py", line 57, in version_from_entrypoint
maybe_version: version.ScmVersion | None = fn(root, config=config)
^^^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/git.py", line 215, in parse
return _git_parse_inner(
^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/git.py", line 257, in _git_parse_inner
version = version_from_describe(wd, config, describe_command)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/git.py", line 239, in version_from_describe
describe_res = wd.default_describe()
^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/git.py", line 161, in default_describe
return run_git(DEFAULT_DESCRIBE[1:], self.path)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/git.py", line 61, in run_git
return _run(
^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/site-packages/setuptools_scm/_run_cmd.py", line 151, in run
res = subprocess.run(
^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/subprocess.py", line 550, in run
stdout, stderr = process.communicate(input, timeout=timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/subprocess.py", line 1209, in communicate
stdout, stderr = self._communicate(input, endtime, timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/subprocess.py", line 2109, in _communicate
self._check_timeout(endtime, orig_timeout, stdout, stderr)
File "/home/scott/anaconda3/envs/mpl-dev/lib/python3.12/subprocess.py", line 1253, in _check_timeout
raise TimeoutExpired(
subprocess.TimeoutExpired: Command '['git', '--git-dir', '/mnt/c/Users/Scott/Documents/Documents/Coding/matplotlib/.git', 'describe', '--dirty', '--tags', '--long', '--match', '*[0-9]*']' timed out after 40 seconds
../../meson.build:4:11: ERROR: Command `/home/scott/anaconda3/envs/mpl-dev/bin/python3 -m setuptools_scm` failed with status 1.