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Add lots of informative text (known as documentation).

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lericson 2009-07-31 22:04:49 +02:00
parent fc04c61b27
commit bffe887cc2
1 changed files with 23 additions and 1 deletions
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pylibmc.py
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@ -1,5 +1,8 @@
"""`python-memcached`-compatible wrapper around `_pylibmc`. """`python-memcached`-compatible wrapper around `_pylibmc`.
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"]) >>> mc = Client(["127.0.0.1"])
>>> b = mc.behaviors >>> b = mc.behaviors
>>> b.keys() >>> b.keys()
@ -42,6 +45,12 @@ class BehaviorDict(dict):
class Client(_pylibmc.client): class Client(_pylibmc.client):
def __init__(self, servers, *args, **kwds): def __init__(self, servers, *args, **kwds):
"""Initialize a memcached client instance.
This connects to the servers in *servers*, which will default to being
TCP servers. If it looks like a filesystem path, a UNIX socket. If
prefixed with `udp:`, a UDP connection.
"""
addr_tups = [] addr_tups = []
for server in servers: for server in servers:
addr = server addr = server
@ -65,13 +74,26 @@ class Client(_pylibmc.client):
super(Client, self).__init__(addr_tups) super(Client, self).__init__(addr_tups)
def get_behaviors(self): def get_behaviors(self):
"""Gets the behaviors from the underlying C client instance.
Reverses the integer constants for `hash` and `distribution` into more
understandable string values. See *set_behaviors* for info.
"""
behaviors = super(Client, self).get_behaviors() behaviors = super(Client, self).get_behaviors()
behaviors["hash"] = hashers_rvs[behaviors["hash"]] behaviors["hash"] = hashers_rvs[behaviors["hash"]]
behaviors["distribution"] = distributions_rvs[behaviors["distribution"]] behaviors["distribution"] = distributions_rvs[behaviors["distribution"]]
return BehaviorDict(self, behaviors) return BehaviorDict(self, behaviors)
def set_behaviors(self, behaviors): def set_behaviors(self, behaviors):
# Morph some. """Sets the behaviors on the underlying C client instance.
Takes care of morphing the `hash` key, if specified, into the
corresponding integer constant (which the C client expects.) If,
however, an unknown value is specified, it's passed on to the C client
(where it most surely will error out.)
This also happens for `distribution`.
"""
behaviors = behaviors.copy() behaviors = behaviors.copy()
if behaviors.get("hash", None) in hashers: if behaviors.get("hash", None) in hashers:
behaviors["hash"] = hashers[behaviors["hash"]] behaviors["hash"] = hashers[behaviors["hash"]]