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import codecs
import hyperframe
from ...exceptions import HttpException
def http2_read_raw_frame(rfile):
header = rfile.safe_read(9)
length = int(codecs.encode(header[:3], 'hex_codec'), 16)
if length == 4740180:
raise HttpException("Length field looks more like HTTP/1.1:\n{}".format(rfile.read(-1)))
body = rfile.safe_read(length)
return [header, body]
def http2_read_frame(rfile):
header, body = http2_read_raw_frame(rfile)
frame, length = hyperframe.frame.Frame.parse_frame_header(header)
frame.parse_body(memoryview(body))
return frame
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