Python cache.get_cache函数代码示例

 def _get_caches(self):
     self.fbcache = cache.get_cache('fbprofile')
     self.fbfriendscache = cache.get_cache('fbfriends')
     self.fballfriendscache = cache.get_cache('fballfriends')
     # Facebook session_key_expires is not set for some reason
     #self._fbexpiration = facebook.session_key_expires - time.time()
     self._fbexpiration = 24*60*60 #24 hours

	def _getInDirCover(self):
		path_cache = cache.get_cache('album_path', type='memory')
		key = self.album.key()

		dirname = path_cache.get_value(key=key,
			createfunc=self.album.getPath, expiretime=60)

		if dirname == None:
			return None

		def best_image(x, y):
			pattern = '(cover|album|front)'

			if re.match(pattern, x, re.I):
				return x
			else:
				return y

		if not (fs.exists(dirname) and fs.isdir(dirname)):
			return None

		dir = fs.listdir(dirname)
		dir = filter(lambda x: x.endswith(
			('jpg', 'JPG', 'jpeg', 'JPEG')), dir)

		if len(dir) < 1:
			return None

		bestmatch = reduce(best_image, dir)
		return os.path.join(dirname, bestmatch)

def project_get_eager(proj):
    """Return a project eagerloaded with its scenes and libgroups
    
    ``project_get_eager`` keeps a (thread-local) cache of loaded projects,
    reloading instances from the db if the "modified" field is newer then the
    cache.
    """
    session = session_get()
    
    # get a lazyload instance of the project, save the modified time and discard
    curproject = project_get(proj)
    modified = curproject.modified
    session.expunge(curproject)
    
    # get the project from cache
    projcache = cache.get_cache('projects')
    project, cached = projcache.get_value(key=proj,
                                  createfunc=eagerload_maker(proj),
                                  expiretime=360)

    # check if its older then the db
    if cached < modified:
        # remove the invalidated value from the cache and reload from db
        projcache.remove_value(proj)
        project, cached = projcache.get_value(key=proj,
                                  createfunc=eagerload_maker(proj),
                                  expiretime=360)
    
    # put project back into the session if necessary
    try:
        session.add(project)
    except InvalidRequestError:
        pass
    
    return project

 def poll(self, global_limit, global_max_age):
     """Fetches cached updates."""
     try:
         return cache.get_cache('spline-frontpage')[self.cache_key()]
     except KeyError:
         # Haven't cached anything yet, apparently
         return []

 def __init__(self, dataset, type='dbm'):
     self.dataset = dataset
     opt = config.get('openspending.cache_enabled', 'True')
     self.cache_enabled = asbool(opt) and \
             not self.dataset.private
     self.cache = cache.get_cache('DSCACHE_' + dataset.name,
                                  type=type)

    def __before__(self, **kwds):

        # Load the hot tags from cache
        mycache = cache.get_cache('hot_tags')
        log.debug('before call to mycache.get_value("tags"))')
        c.tags = mycache.get_value(key='tags', createfunc=Tag.popular,
                                   type="memory", expiretime=3600)

        log.debug('after call to mycache.get_value("tags"))')

        c.sources = mycache.get_value(key='sources', createfunc=Feed.active_feeds,
                                    type='memory', expiretime=3600)

        log.debug('after call to mycache.get_value("feeds"))')

        # Pass the logo_file name to the template context
        c.logo_file = config.get('logo_file', 'logo.png')

        # Pass the site sub-title to the template context
        c.subtitle = config.get('banner_subtitle', None)

        # Set up pagination
        if self.__class__.__name__ == 'EntryController':
            if not 'view' in kwds:
                return
            c.pagesize = 25
            c.totlinks = 5000 # Probably should look this up from db and cache it...
            c.page = kwds.get('page', 0)
            try:
                c.page_numeric = long(c.page)
            except:
                abort(404)
            if c.page_numeric < 0:
                abort(404)
            c.slicestart = c.pagesize * c.page_numeric

 def __init__(self, type='dbm'):
     """
     Initialise a dataset index cache
     """
     self.cache_enabled = app_globals.cache_enabled
     self.cache = cache.get_cache('DATASET_INDEX_CACHE',
                                  type=type)

    def __call__(self, environ, start_response):
        # Insert any code to be run per request here. The Routes match
        # is under environ['pylons.routes_dict'] should you want to check
        # the action or route vars here

        # Grab Domain Info
        self.domain = request.environ['REMOTE_USER']
        self.dominfo = get_domain_info(self.domain)

        # Don't allow Locked Domains to make any changes
        if self.dominfo['ispmanDomainLocked'] == 'true' and \
           request.path_info != '/locked':
            h.redirect_to('/locked')
        elif request.path_info == '/':
            h.redirect_to('/domain')

        ccache = cache.get_cache('navigation')

        c.menus = ccache.get_value('i18n_menus',
                                  createfunc=self.__create_i18n_menus,
                                  type='memory', expiretime=3600)

        c.controller = request.environ['pylons.routes_dict']['controller']
        c.action = request.environ['pylons.routes_dict']['action']

        c.imgs_list = self.__images_list()

        if 'message' in session and session['message'] != '':
            c.message = session['message']
            session['message'] = ''
            session.save()

        return WSGIController.__call__(self, environ, start_response)

 def get(self, key, default=None):
     mycache = pylonscache.get_cache('demisauce')
     try:
         myvalue = mycache.get_value(key)
     except KeyError:
         return default
     return myvalue

 def simple(self, a):
     c = cache.get_cache("BasicTGController.index")
     x = c.get_value(key=a, 
                     createfunc=lambda: "cached %s" % a,
                     type="memory",
                     expiretime=3600)
     return x

    def cache_content(self, key, do_work, template):
        """Argh!

        Okay, so.  Use this when you want to cache the BODY of a page but not
        the CHROME (i.e., wrapper or base or whatever).

        ``key``
            The key that uniquely identifies this particular rendering of this
            page content.

        ``do_work``
            Some function that will stuff a bunch of expensive data in c.  This
            will only be called if the page hasn't yet been cached.  It'll be
            passed the key.

        ``template``
            Name of the template to use.

        Also, DO NOT FORGET TO wrap the cachable part of your template in a
        <%lib:cache_content> tag, or nothing will get cached!

        If a page body is pulled from cache, c.timer.from_cache will be set to
        True.  If the page had to be generated, it will be set to False.  (If
        this function wasn't involved at all, it will be set to None.)
        """

        # Content needs to be cached per-language
        key = u"{0}/{1}".format(key, c.lang)

        # Cache for...  ten hours?  Sure, whatever
        content_cache = cache.get_cache("content_cache:" + template, expiretime=36000)

        # XXX This is dumb.  Caches don't actually respect the 'enabled'
        # setting, so we gotta fake it.
        if not content_cache.nsargs.get("enabled", True):

            def skip_cache(context, mako_def):
                do_work(key)
                mako_def.body()

            c._cache_me = skip_cache
            return render(template)

        # These pages can be pretty big.  In the case of e.g. memcached, that's
        # a lot of RAM spent on giant pages that consist half of whitespace.
        # Solution: gzip everything.  Use level 1 for speed!
        def cache_me(context, mako_def):
            c.timer.from_cache = True

            def generate_page():
                c.timer.from_cache = False
                do_work(key)
                return zlib.compress(capture(context, mako_def.body).encode("utf8"), 1)

            context.write(zlib.decompress(content_cache.get_value(key=key, createfunc=generate_page)).decode("utf8"))

        c._cache_me = cache_me

        return render(template)

 def bookmark(self, id_shortcut, **params):
     logger = logging.getLogger(__name__ + '/bookmark')
     try:
         logger.info('Bookmarking shortcut [%s]' % id_shortcut)
         user = dbs.query(SapnsUser).get(request.identity['user'].user_id)
         
         dboard = user.get_dashboard()
         dboard.add_child(id_shortcut)
         
         _key = '%d_%d' % (user.user_id, dboard.shortcut_id)
         cache.get_cache('user_get_shortcuts').remove_value(key=_key)
         
         return dict(status=True)
         
     except Exception, e:
         logger.error(e)
         return dict(status=False) #, message=str(e).decode('utf-8'))

 def init_tree(self, key, fresh=False, **kw):
     c = cache.get_cache('feeds')
     if fresh:
         return self._get_feed_titles(fresh=fresh)
     else:
         return c.get_value(key='feed_titles',
                            createfunc=self._get_feed_titles,
                            expiretime=3600)

 def cache(self, id):
     '''Manual way to clear the caches'''
     if id == 'clear':
         wui_caches = ['stats']
         for cache_name in wui_caches:
             cache_ = cache.get_cache(cache_name, type='dbm')
             cache_.clear()
         return 'Cleared caches: %s' % ', '.join(wui_caches)

 def expiry(self, a):
     mockdb['expiry'] = a # inject a value into the context
     c = cache.get_cache("BasicTGController.index")
     x = c.get_value(key='test', 
                     createfunc=self.createfunc,
                     type="memory",
                     expiretime=100)
     return x