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Installing precommit hooks fails due to non-existent python bin

See original GitHub issue

Looks like a call to python is hard coded when it shouldn’t be.

↳ pre-commit run --all-files
[INFO] Initializing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Initializing environment for https://github.com/asottile/pyupgrade.
[INFO] Initializing environment for https://github.com/psf/black.
[INFO] Initializing environment for https://github.com/pycqa/flake8.
[INFO] Initializing environment for https://github.com/codespell-project/codespell.
[INFO] Installing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
An unexpected error has occurred: CalledProcessError: command: ('python', '-mpip', 'install', '.')
return code: 1
expected return code: 0
stdout:
    Executable `python` not found
stderr: (none)
Check the log at /home/russ/.cache/pre-commit/pre-commit.log

Running on Ubuntu jammy with python 3.10. /usr/bin/python does not exist.

version information

pre-commit version: 2.17.0
git --version: git version 2.34.1
sys.version:
    3.10.3 (main, Mar 16 2022, 17:19:40) [GCC 11.2.0]
sys.executable: /usr/bin/python3
os.name: posix
sys.platform: linux

error information

An unexpected error has occurred: CalledProcessError: command: ('python', '-mpip', 'install', '.')
return code: 1
expected return code: 0
stdout:
    Executable `python` not found
stderr: (none)

Traceback (most recent call last):
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/error_handler.py", line 70, in error_handler
    yield
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/main.py", line 396, in main
    return run(args.config, store, args)
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/commands/run.py", line 416, in run
    install_hook_envs(to_install, store)
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/repository.py", line 224, in install_hook_envs
    _hook_install(hook)
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/repository.py", line 82, in _hook_install
    lang.install_environment(
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/languages/python.py", line 205, in install_environment
    helpers.run_setup_cmd(prefix, install_cmd)
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/languages/helpers.py", line 52, in run_setup_cmd
    cmd_output_b(*cmd, cwd=prefix.prefix_dir, **kwargs)
  File "/home/russ/.local/lib/python3.10/site-packages/pre_commit/util.py", line 154, in cmd_output_b
    raise CalledProcessError(returncode, cmd, retcode, stdout_b, stderr_b)
pre_commit.util.CalledProcessError: command: ('python', '-mpip', 'install', '.')
return code: 1
expected return code: 0
stdout:
    Executable `python` not found
stderr: (none)

Issue Analytics

State:
Created a year ago
Reactions:4
Comments:13 (7 by maintainers)

Top GitHub Comments

2reactions

epigramxcommented, Sep 22, 2022

This problem returned at large for the common user, because 22.04.1 LTS updated its python to 3.10.6. Is there a new workaround?

1reaction

russkelcommented, Apr 13, 2022

Thanks a lot for that @asottile. I will install. I wish ubuntu would get it sorted already.

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