Function _patch_file

distribute_setup.py:233–247

Will backup the file then patch it

(path, content)

def _patch_file(path, content):
    """Will backup the file then patch it"""
    existing_content = open(path).read()
    if existing_content == content:
        # already patched
        log.warn('Already patched.')
        return False
    log.warn('Patching...')
    _rename_path(path)
    f = open(path, 'w')
    try:
        f.write(content)
    finally:
        f.close()
    return True

_patch_file = _no_sandbox(_patch_file)