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Added a few docstrings.

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This commit is contained in:
Jannis Leidel 2010-06-26 17:20:44 +02:00
parent 17b183d315
commit ff4f450c68
1 changed files with 10 additions and 0 deletions
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10
avatar/util.py
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@ -8,11 +8,18 @@ from avatar import AVATAR_DEFAULT_URL, AVATAR_CACHE_TIMEOUT, AUTO_GENERATE_AVATA
cached_funcs = set()
def get_cache_key(user_or_username, size, prefix):
"""
Returns a cache key consisten of a username and image size.
"""
if isinstance(user_or_username, User):
user_or_username = user_or_username.username
return '%s_%s_%s' % (prefix, user_or_username, size)
def cache_result(func):
"""
Decorator to cache the result of functions that take a ``user`` and a
``size`` value.
"""
def cache_set(key, value):
cache.set(key, value, AVATAR_CACHE_TIMEOUT)
return value
@ -25,6 +32,9 @@ def cache_result(func):
return cached_func
def invalidate_cache(user, size=None):
"""
Function to be called when saving or changing an user's avatars.
"""
sizes = set(AUTO_GENERATE_AVATAR_SIZES)
if size is not None:
sizes.add(size)