request.py 文件源码

def transcode_fs(self, fs, content_type):
        # transcode FieldStorage
        if PY3: # pragma: no cover
            decode = lambda b: b
        else:
            decode = lambda b: b.decode(self.charset, self.errors)
        data = []
        for field in fs.list or ():
            field.name = decode(field.name)
            if field.filename:
                field.filename = decode(field.filename)
                data.append((field.name, field))
            else:
                data.append((field.name, decode(field.value)))

        # TODO: transcode big requests to temp file
        content_type, fout = _encode_multipart(
            data,
            content_type,
            fout=io.BytesIO()
        )
        return fout

# TODO: remove in 1.4