zipstream.py 文件源码

def read(self, name):
        """Return file bytes (as a string) for name."""
        f = self.readfile(name)
        zinfo = self.getinfo(name)
        bytes = f.read()
        crc = binascii.crc32(bytes)
        if crc != zinfo.CRC:
            raise zipfile.BadZipfile, "Bad CRC-32 for file %s" % name
        return bytes