utils.py 文件源码

def summonMagic():
    import magic
    if hasattr(magic, 'from_file'):
        # https://pypi.python.org/pypi/python-magic
        return magic
    elif hasattr(magic, 'open'):
        # http://www.darwinsys.com/file/, in Debian as python3-magic
        class WrapMagic:
            def __init__(self):
                self.magic = magic.open(magic.NONE)
                self.magic.load()

            def from_file(self, name):
                return self.magic.file(name)
        return WrapMagic()
    else:
        raise NotImplementedError("I do not understand your magic")

### directory copy ###