pre_push.py

#!/usr/bin/env python
"""Run static analysis on the project."""
from shutil import rmtree
from subprocess import CalledProcessError, check_call
from tempfile import mkdtemp
import sys


def do_process(*args):
    """Run program provided by args.

    Return True on success.

    Output failed message on non-zero exit and return False.

    Exit if command is not found.
    """
    print('Running: {}'.format(' '.join(args)))
    try:
        check_call(args)
    except CalledProcessError:
        print('\nFailed: {}'.format(' '.join(args)))
        return False
    except Exception as exc:
        sys.stderr.write(str(exc) + '\n')
        sys.exit(1)
    return True


def main():
    """Entry point to pre_push.py."""
    success = True
    success &= do_process('flake8', '--exclude=.eggs,docs,.tox')
    success &= do_process('pydocstyle', 'praw')
    success &= do_process('pylint', '--rcfile=.pylintrc', 'praw')

    tmp_dir = mkdtemp()
    try:
        success &= do_process('sphinx-build', '-W', 'docs', tmp_dir)
    finally:
        rmtree(tmp_dir)

    return 0 if success else 1


if __name__ == '__main__':
    exit_code = main()
    print()
    print('pre_push.py: Success!' if exit_code == 0 else 'pre_push.py: Fail')
    sys.exit(exit_code)