def frombytes(cls, byte_string):
"""
Parse an AWS request from a byte string.
@param byte_string: The request as parsed from a C{.req} file.
@type byte_string: L{bytes}
@return: A request object.
@rtype: L{_AWSRequest}
"""
# Ensure there's a blank line so that status and header
# parsing completes.
blank_line = b'\n\n'
if blank_line not in byte_string:
byte_string += blank_line
channel = HTTPChannel()
channel.delimiter = b'\n'
channel.makeConnection(StringTransport())
channel.dataReceived(byte_string)
channel.connectionLost(ConnectionDone())
request = channel.requests[-1]
method = request.method
path = request.uri
headers = dict(request.requestHeaders.getAllRawHeaders())
# what comes after the empty line is a
body = byte_string.split(blank_line, 1)[-1]
return cls(method, path, headers, body)
