bottle.py 文件源码

def body(self):
        """ The HTTP request body as a seekable buffer object.

            This property returns a copy of the `wsgi.input` stream and should
            be used instead of `environ['wsgi.input']`.
         """
        if 'bottle.body' not in self.environ:
            maxread = max(0, self.content_length)
            stream = self.environ['wsgi.input']
            body = BytesIO() if maxread < MEMFILE_MAX else TemporaryFile(mode='w+b')
            while maxread > 0:
                part = stream.read(min(maxread, MEMFILE_MAX))
                if not part: #TODO: Wrong content_length. Error? Do nothing?
                    break
                body.write(part)
                maxread -= len(part)
            self.environ['wsgi.input'] = body
            self.environ['bottle.body'] = body
        self.environ['bottle.body'].seek(0)
        return self.environ['bottle.body']