Current File : //opt/cloudlinux/venv/lib64/python3.11/site-packages/isort/hooks.py
"""Defines a git hook to allow pre-commit warnings and errors about import order.
usage:
exit_code = git_hook(strict=True|False, modify=True|False)
"""
import os
import subprocess # nosec - Needed for hook
from pathlib import Path
from typing import List, Optional
from isort import Config, api, exceptions
def get_output(command: List[str]) -> str:
"""Run a command and return raw output
:param str command: the command to run
:returns: the stdout output of the command
"""
result = subprocess.run(command, stdout=subprocess.PIPE, check=True) # nosec - trusted input
return result.stdout.decode()
def get_lines(command: List[str]) -> List[str]:
"""Run a command and return lines of output
:param str command: the command to run
:returns: list of whitespace-stripped lines output by command
"""
stdout = get_output(command)
return [line.strip() for line in stdout.splitlines()]
def git_hook(
strict: bool = False,
modify: bool = False,
lazy: bool = False,
settings_file: str = "",
directories: Optional[List[str]] = None,
) -> int:
"""Git pre-commit hook to check staged files for isort errors
:param bool strict - if True, return number of errors on exit,
causing the hook to fail. If False, return zero so it will
just act as a warning.
:param bool modify - if True, fix the sources if they are not
sorted properly. If False, only report result without
modifying anything.
:param bool lazy - if True, also check/fix unstaged files.
This is useful if you frequently use ``git commit -a`` for example.
If False, only check/fix the staged files for isort errors.
:param str settings_file - A path to a file to be used as
the configuration file for this run.
When settings_file is the empty string, the configuration file
will be searched starting at the directory containing the first
staged file, if any, and going upward in the directory structure.
:param list[str] directories - A list of directories to restrict the hook to.
:return number of errors if in strict mode, 0 otherwise.
"""
# Get list of files modified and staged
diff_cmd = ["git", "diff-index", "--cached", "--name-only", "--diff-filter=ACMRTUXB", "HEAD"]
if lazy:
diff_cmd.remove("--cached")
if directories:
diff_cmd.extend(directories)
files_modified = get_lines(diff_cmd)
if not files_modified:
return 0
errors = 0
config = Config(
settings_file=settings_file,
settings_path=os.path.dirname(os.path.abspath(files_modified[0])),
)
for filename in files_modified:
if filename.endswith(".py"):
# Get the staged contents of the file
staged_cmd = ["git", "show", f":{filename}"]
staged_contents = get_output(staged_cmd)
try:
if not api.check_code_string(
staged_contents, file_path=Path(filename), config=config
):
errors += 1
if modify:
api.sort_file(filename, config=config)
except exceptions.FileSkipped: # pragma: no cover
pass
return errors if strict else 0
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