rays/pylibmc
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Fix an issue with mc.behaviors[x] = y failing weirdly.

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Not entirely sure what the reason was, but updating the behaviors with a
dict that is self from __setitem__ fails. I'm willing to attribute this
to CPython weirdness, and so am going to call this fixed.
This commit is contained in:
lericson 2009-09-18 11:27:03 +02:00
parent 2af5ca0e40
commit 5b8db2b0eb
1 changed files with 20 additions and 12 deletions
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32
pylibmc.py
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@ -3,15 +3,22 @@
The interface is pretty much exactly the same as python-memcached, with some
minor differences. If you should happen to spot any, file a bug!
>>> mc = Client(["127.0.0.1"])
>>> import pylibmc
>>> mc = pylibmc.Client(["127.0.0.1"])
>>> b = mc.behaviors
>>> b.keys()
['hash', 'connect timeout', 'cache lookups', 'buffer requests', 'verify key', 'support cas', 'poll timeout', 'no block', 'tcp nodelay', 'distribution', 'sort hosts']
>>> list(sorted(b.keys())) # doctest: +NORMALIZE_WHITESPACE
['binary_protocol', 'buffer_requests', 'cache_lookups', 'connect_timeout',
'distribution', 'hash', 'ketama', 'ketama_hash', 'ketama_weighted',
'no block', 'poll_timeout', 'rcv_timeout', 'retry_timeout',
'server_failure_limit', 'snd_timeout', 'socket recv size', 'socket send size',
'sort_hosts', 'support_cas', 'tcp_nodelay', 'verify_key']
>>> b["hash"]
'default'
>>> b["hash"] = 'fnv1a_32'
>>> mc.behaviors["hash"]
'fnv1a_32'
>>> super(pylibmc.Client, mc).get_behaviors()["hash"]
6
"""
import _pylibmc
@ -19,17 +26,18 @@ import _pylibmc
__all__ = ["hashers", "distributions", "Client"]
__version__ = "0.7.3"
hashers = {}
distributions = {}
hashers, hashers_rvs = {}, {}
distributions, distributions_rvs = {}, {}
# Not the prettiest way of doing things, but works well.
for name in dir(_pylibmc):
if name.startswith("hash_"):
hashers[name[5:]] = getattr(_pylibmc, name)
key, value = name[5:], getattr(_pylibmc, name)
hashers[key] = value
hashers_rvs[value] = key
elif name.startswith("distribution_"):
distributions[name[13:].replace("_", " ")] = getattr(_pylibmc, name)
hashers_rvs = dict((v, k) for (k, v) in hashers.iteritems())
distributions_rvs = dict((v, k) for (k, v) in distributions.iteritems())
key, value = name[13:].replace("_", " "), getattr(_pylibmc, name)
distributions[key] = value
distributions_rvs[value] = key
class BehaviorDict(dict):
def __init__(self, client, *args, **kwds):
@ -38,11 +46,11 @@ class BehaviorDict(dict):
def __setitem__(self, name, value):
super(BehaviorDict, self).__setitem__(name, value)
self.client.behaviors = self
self.client.set_behaviors({name: value})
def update(self, *args, **kwds):
super(BehaviorDict, self).update(*args, **kwds)
self.client.behaviors = self
self.client.set_behaviors(self.copy())
class Client(_pylibmc.client):
def __init__(self, servers, *args, **kwds):