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Name	Size	Permission
Macros	[ DIR ]	drwxr-xr-x
Templates	[ DIR ]	drwxr-xr-x
Tests	[ DIR ]	drwxr-xr-x
Tools	[ DIR ]	drwxr-xr-x
Utils	[ DIR ]	drwxr-xr-x
CacheRegion.py	4.32 KB	-rw-r--r--
CacheRegion.pyc	6.43 KB	-rw-r--r--
CacheStore.py	2.96 KB	-rw-r--r--
CacheStore.pyc	5.66 KB	-rw-r--r--
CheetahWrapper.py	23.41 KB	-rw-r--r--
CheetahWrapper.pyc	22.21 KB	-rw-r--r--
Compiler.py	78.7 KB	-rw-r--r--
Compiler.pyc	74.27 KB	-rw-r--r--
DirectiveAnalyzer.py	2.41 KB	-rw-r--r--
DirectiveAnalyzer.pyc	3.9 KB	-rw-r--r--
Django.py	592 B	-rw-r--r--
Django.pyc	941 B	-rw-r--r--
DummyTransaction.py	3.2 KB	-rw-r--r--
DummyTransaction.pyc	5.46 KB	-rw-r--r--
ErrorCatchers.py	1.71 KB	-rw-r--r--
ErrorCatchers.pyc	3.5 KB	-rw-r--r--
FileUtils.py	10.41 KB	-rw-r--r--
FileUtils.pyc	12.99 KB	-rw-r--r--
Filters.py	7.46 KB	-rw-r--r--
Filters.pyc	8.41 KB	-rw-r--r--
ImportHooks.py	3.89 KB	-rw-r--r--
ImportHooks.pyc	3.75 KB	-rw-r--r--
ImportManager.py	17.14 KB	-rw-r--r--
ImportManager.pyc	16.6 KB	-rw-r--r--
NameMapper.py	12.09 KB	-rw-r--r--
NameMapper.pyc	12.98 KB	-rw-r--r--
Parser.py	101.1 KB	-rw-r--r--
Parser.pyc	78.23 KB	-rw-r--r--
Servlet.py	1.23 KB	-rw-r--r--
Servlet.pyc	1.85 KB	-rw-r--r--
SettingsManager.py	9.94 KB	-rw-r--r--
SettingsManager.pyc	11.23 KB	-rw-r--r--
SourceReader.py	7.79 KB	-rw-r--r--
SourceReader.pyc	11.58 KB	-rw-r--r--
Template.py	83.09 KB	-rw-r--r--
Template.pyc	66.52 KB	-rw-r--r--
TemplateCmdLineIface.py	3.23 KB	-rw-r--r--
TemplateCmdLineIface.pyc	3.87 KB	-rw-r--r--
Unspecified.py	258 B	-rw-r--r--
Unspecified.pyc	799 B	-rw-r--r--
Version.py	1.49 KB	-rw-r--r--
Version.pyc	1.78 KB	-rw-r--r--
__init__.py	582 B	-rw-r--r--
__init__.pyc	754 B	-rw-r--r--
_namemapper.so	14.47 KB	-rw-r--r--
convertTmplPathToModuleName.py	528 B	-rw-r--r--
convertTmplPathToModuleName.py...	785 B	-rw-r--r--

Code Editor : CacheRegion.py

# $Id: CacheRegion.py,v 1.3 2006/01/28 04:19:30 tavis_rudd Exp $
'''
Cache holder classes for Cheetah:

Cache regions are defined using the #cache Cheetah directive. Each
cache region can be viewed as a dictionary (keyed by cacheRegionID)
handling at least one cache item (the default one). It's possible to add
cacheItems in a region by using the `varyBy` #cache directive parameter as
in the following example::
   #def getArticle
      this is the article content.
   #end def

#cache varyBy=$getArticleID()
      $getArticle($getArticleID())
   #end cache

The code above will generate a CacheRegion and add new cacheItem for each value
of $getArticleID().
'''

try:
    from hashlib import md5
except ImportError:
    from md5 import md5

import time
import Cheetah.CacheStore

class CacheItem(object):
    '''
    A CacheItem is a container storing:

- cacheID (string)
        - refreshTime (timestamp or None) : last time the cache was refreshed
        - data (string) : the content of the cache
    '''
    
    def __init__(self, cacheItemID, cacheStore):
        self._cacheItemID = cacheItemID
        self._cacheStore = cacheStore
        self._refreshTime = None
        self._expiryTime = 0

def hasExpired(self):
        return (self._expiryTime and time.time() > self._expiryTime)
    
    def setExpiryTime(self, time):
        self._expiryTime = time

def getExpiryTime(self):
        return self._expiryTime

def setData(self, data):
        self._refreshTime = time.time()
        self._cacheStore.set(self._cacheItemID, data, self._expiryTime)

def getRefreshTime(self):
        return self._refreshTime

def getData(self):
        assert self._refreshTime
        return self._cacheStore.get(self._cacheItemID)

def renderOutput(self):
        """Can be overridden to implement edge-caching"""
        return self.getData() or ""

def clear(self):
        self._cacheStore.delete(self._cacheItemID)
        self._refreshTime = None

class _CacheDataStoreWrapper(object):
    def __init__(self, dataStore, keyPrefix):
        self._dataStore = dataStore
        self._keyPrefix = keyPrefix
        
    def get(self, key):
        return self._dataStore.get(self._keyPrefix+key)

def delete(self, key):
        self._dataStore.delete(self._keyPrefix+key)

def set(self, key, val, time=0):        
        self._dataStore.set(self._keyPrefix+key, val, time=time)

class CacheRegion(object):
    '''
    A `CacheRegion` stores some `CacheItem` instances.

This implementation stores the data in the memory of the current process.
    If you need a more advanced data store, create a cacheStore class that works
    with Cheetah's CacheStore protocol and provide it as the cacheStore argument
    to __init__.  For example you could use
    Cheetah.CacheStore.MemcachedCacheStore, a wrapper around the Python
    memcached API (http://www.danga.com/memcached).
    '''
    _cacheItemClass = CacheItem
    
    def __init__(self, regionID, templateCacheIdPrefix='', cacheStore=None):
        self._isNew = True
        self._regionID = regionID
        self._templateCacheIdPrefix = templateCacheIdPrefix
        if not cacheStore:
            cacheStore = Cheetah.CacheStore.MemoryCacheStore()
        self._cacheStore = cacheStore
        self._wrappedCacheDataStore = _CacheDataStoreWrapper(
            cacheStore, keyPrefix=templateCacheIdPrefix+':'+regionID+':')
        self._cacheItems = {}

def isNew(self):
        return self._isNew
        
    def clear(self):
        " drop all the caches stored in this cache region "
        for cacheItemId in self._cacheItems.keys():
            cacheItem = self._cacheItems[cacheItemId]
            cacheItem.clear()
            del self._cacheItems[cacheItemId]
        
    def getCacheItem(self, cacheItemID):
        """ Lazy access to a cacheItem

Try to find a cache in the stored caches. If it doesn't
            exist, it's created.
            
            Returns a `CacheItem` instance.
        """
        cacheItemID = md5(str(cacheItemID)).hexdigest()
        
        if cacheItemID not in self._cacheItems:
            cacheItem = self._cacheItemClass(
                cacheItemID=cacheItemID, cacheStore=self._wrappedCacheDataStore)
            self._cacheItems[cacheItemID] = cacheItem
            self._isNew = False
        return self._cacheItems[cacheItemID]

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Code Editor : CacheRegion.py