formparser.py 文件源码

def __init__(self, stream_factory=None, charset='utf-8', errors='replace',
                 max_form_memory_size=None, cls=None, buffer_size=64 * 1024):
        self.stream_factory = stream_factory
        self.charset = charset
        self.errors = errors
        self.max_form_memory_size = max_form_memory_size
        if stream_factory is None:
            stream_factory = default_stream_factory
        if cls is None:
            cls = MultiDict
        self.cls = cls

        # make sure the buffer size is divisible by four so that we can base64
        # decode chunk by chunk
        assert buffer_size % 4 == 0, 'buffer size has to be divisible by 4'
        # also the buffer size has to be at least 1024 bytes long or long headers
        # will freak out the system
        assert buffer_size >= 1024, 'buffer size has to be at least 1KB'

        self.buffer_size = buffer_size