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XEP-0300: Workaround for Python 3.5 or below.

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This commit is contained in:
Emmanuel Gil Peyrot 2017-02-11 23:30:43 +00:00
parent 007c836296
commit 59dad12820
1 changed files with 10 additions and 3 deletions
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13
slixmpp/plugins/xep_0300/hash.py
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@ -39,8 +39,8 @@ class XEP_0300(BasePlugin):
'sha-1': hashlib.sha1,
'sha-256': hashlib.sha256,
'sha-512': hashlib.sha512,
'sha3-256': hashlib.sha3_256,
'sha3-512': hashlib.sha3_512,
'sha3-256': lambda: hashlib.sha3_256(),
'sha3-512': lambda: hashlib.sha3_512(),
'BLAKE2b256': lambda: hashlib.blake2b(digest_size=32),
'BLAKE2b512': lambda: hashlib.blake2b(digest_size=64),
}
@ -50,7 +50,14 @@ class XEP_0300(BasePlugin):
self.enabled_hashes = []
for algo in self._hashlib_function:
if getattr(self, 'enable_' + algo, False):
self.enabled_hashes.append(namespace % algo)
# XXX: this is a hack for Python 3.5 or below, which
# don’t support sha3 or blake2b…
try:
self._hashlib_function[algo]()
except AttributeError:
log.warn('Algorithm %s unavailable, disabling.', algo)
else:
self.enabled_hashes.append(namespace % algo)
def session_bind(self, jid):
self.xmpp['xep_0030'].add_feature(Hash.namespace)