utils.py 文件源码

def match(item, patterns):
    matched = not patterns
    for pattern in filter(None, patterns):
        negate = False
        if pattern.startswith('-') or pattern.startswith('!'):
            negate = True
            pattern = pattern[1:]
        if pattern.startswith('+'):
            pattern = pattern[1:]

        local_matched = fnmatch.fnmatch(item, pattern)
        if negate:
            matched = matched and not local_matched
        else:
            matched = matched or local_matched

    return matched