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Logic error fixed, closes #1106 #1107

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Merged
alexwlchan merged 1 commit into from
Jan 19, 2018
Merged

Logic error fixed, closes #1106 #1107

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4 changes: 2 additions & 2 deletions examples/fragments/server_upgrade_fragment.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,14 +45,14 @@ def receive_initial_request(connection):
data += connection.recv(8192)

match = re.search(b'Upgrade: h2c\r\n', data)
if match is not None:
if match is None:
raise RuntimeError("HTTP/2 upgrade not requested!")

# We need to look for the HTTP2-Settings header field. Again, in production
# code you shouldn't use regular expressions for this, but it's good enough
# for the example.
match = re.search(b'HTTP2-Settings: (\\S+)\r\n', data)
if match is not None:
if match is None:
raise RuntimeError("HTTP2-Settings header field not present!")

return match.group(1)
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