shadowservermail.py 文件源码

def _decode(self, headers, fileobj):
        encoding = headers[-1].get_all("content-transfer-encoding", ["7bit"])[0]
        encoding = encoding.lower()

        if encoding == "base64":
            try:
                data = base64.b64decode(fileobj.read())
            except TypeError as error:
                self.log.error("Base64 decoding failed ({0})".format(error))
                idiokit.stop(False)
            return StringIO(data)

        if encoding == "quoted-printable":
            output = StringIO()
            quopri.decode(fileobj, output)
            output.seek(0)
            return output

        return fileobj