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http2: add warning for missing ALPN support

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This commit is contained in:
Thomas Kriechbaumer 2015-06-08 15:28:19 +02:00
parent 6be6595425
commit 9ececa637d
1 changed files with 5 additions and 1 deletions
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6
libpathod/pathoc.py
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@ -216,6 +216,10 @@ class Pathoc(tcp.TCPClient):
self.ws_framereader = None
if self.use_http2:
if not OpenSSL._util.lib.Cryptography_HAS_ALPN: # pragma: nocover
print >> sys.stderr, "HTTP/2 requires ALPN support. Please use OpenSSL >= 1.0.2."
print >> sys.stderr, "Pathoc might not be working as expected without ALPN."
self.protocol = http2.HTTP2Protocol(self)
else:
# TODO: create HTTP or Websockets protocol
@ -259,7 +263,7 @@ class Pathoc(tcp.TCPClient):
an HTTP CONNECT request.
"""
if self.use_http2 and not self.ssl:
raise ValueError("HTTP2 without SSL is not supported.")
raise NotImplementedError("HTTP2 without SSL is not supported.")
tcp.TCPClient.connect(self)