Python Client.get方法代码示例

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class SocketHandler(websocket.WebSocketHandler):
    client_infos = defaultdict()

    def __init__(self, *args, **kwargs):
        super(SocketHandler, self).__init__(*args, **kwargs)
        servers = ['127.0.0.1:11211']
        self._mc = Client(servers)

    def open(self):
        self.client_infos[self] = ClientInfo()

    def on_close(self):
        del self.client_infos[self]

    def on_message(self, message):
        now = datetime.now()
        delta = now - self.client_infos[self].prev_message_time
        # TODO: Restrict access based on delta.

        time = self._mc.get('time')
        if self.client_infos[self].prev_image_time == time:
            self.write_message({'timeout': 50})
        else:
            image = self._mc.get('image')
            image = base64.b64encode(image)
            self.write_message({'image': image, 'timeout': 80})
            self.client_infos[self].prev_image_time = time
        self.client_infos[self].prev_message_time = now

    def check_origin(self, origin):
        return True

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class MemcacheStore(DictProxy):

   def __init__(self, host, port):
      from memcache import Client
      self.mc= Client(['%s:%s' % (host, port)])

   def update(self, updates):
      for update in updates:
         (processId, data)= update
         self.mc.set(processId, data)

   def get(self, processId, default= None):
      data= self.mc.get(processId)
      if data == None:
         return default
      return data

   def pop(self, processId):
      data= self.mc.get(processId)
      self.mc.delete(processId)
      return data
      if data == None:
         return default

   def __len__(self):
      return int(self.mc.get_stats()[0][1].get('curr_items'))

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class MemcachedCache(CacheBase):
    def __init__(self, config, section):
        from memcache import Client
        servers = config.get(section, 'memcache-server').split()
        self.conn = Client(servers)

    def key(self, raw):
        if sys.version_info >= (3, ):
            return self.prefix(hashlib.md5(bytes(raw, 'utf-8')).hexdigest())
        else:
            return self.prefix(hashlib.md5(raw).hexdigest()).encode('utf-8')

    def check_password(self, user, password):
        cached = self.conn.get(self.key('%s-pass' % user))
        if cached is None:
            return cached
        return cached == self.hash(password, cached)

    def set_password(self, user, password):
        self.conn.set(self.key('%s-pass' % user), self.hash(password, None), self.expire)

    def in_groups(self, user, groups):
        cached = self.conn.get(self.key('%s-groups' % user))
        if cached is None:
            return None
        return not cached.isdisjoint(groups)

    def set_groups(self, user, groups):
        self.conn.set(self.key('%s-groups' % user), groups, self.expire)

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
def whereyoulive_sum():

    global addresses
    
    ret = "<table class=\"normal\">"
    ret += "<th class=\"normal\">" + "Address" + "</th>"
    ret += "<th class=\"normal\">" + "Total/Address" + "</th>"

    conn = Client([gethostname()+':11211'])

    vals = []
    
    for k in addresses:
        ret += "<tr class=\"normal\">"
        ret += "<td class=\"normal\">" + k + "</td>"
        val = conn.get(addr_prefix+k)

        if val == None:
            vals.append(0)
        else:
            vals.append(val)

        ret += "<td class=\"normal\"><span>" + str(vals[-1]) + "</span></td>"
        ret += "</tr>"

    ret += "<tr align=\"center\"><td class=\"normal\">" + "Sum" + "</td>"

    if len(vals) == 0:
        ret += "<td class=\"normal\">" + "0" + "</td></tr>"
    else:
        ret += "<td class=\"normal\">" + str(reduce(lambda i, j : i+j, [i for i in vals])) + "</td></tr>"

    ret += "</table>"

    return ret

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class MemcachedZipState(object):
    """get or set state of an zip job.
    """

    def __init__(self, uid):
        self._uid = uid
        if ZIPSTATE_MEMCACHEDSERVER not in os.environ:
            raise ValueError(
                'Expect environment variable "{0}: pointing a memcached '
                'server in order to share state '
                'information.'.format(ZIPSTATE_MEMCACHEDSERVER)
            )
        self._client = Client([os.environ[ZIPSTATE_MEMCACHEDSERVER]])

    def _combined_key(self, key):
        return '{0}-{1}'.format(self._uid, key)

    def __getitem__(self, key):
        """get state of zip job
        """
        return self._client.get(self._combined_key(key))

    def __setitem__(self, key, value):
        """set state of zip job
        """
        return self._client.set(self._combined_key(key), value)

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class FoursquareAPI:


    url_base = "https://api.foursquare.com/v2/%s" 

    payload = {}

    mc = False
    mcprefix = False

    def __init__(self, lifestream):
        OAUTH_FILENAME = lifestream.config.get("foursquare", "secrets_file")
        CONSUMER_KEY = lifestream.config.get("foursquare", "client_id")
        CONSUMER_SECRET = lifestream.config.get("foursquare", "secret")

        MEMCACHE_HOST   = lifestream.config.get("memcache", "host")
        MEMCACHE_PORT   = lifestream.config.get("memcache", "port")
        self.mcprefix = lifestream.config.get("memcache", "prefix")

        servers = ["%s:%s" % (MEMCACHE_HOST, MEMCACHE_PORT)]
        self.mc = Client(servers, debug=1)

        if not os.path.exists(OAUTH_FILENAME):
            logger.error("No OAUTH found at %s" % OAUTH_FILENAME)
            raise Exception("You need to run foursquare_oauth.py to generate the oauth key")

        oauth_token, oauth_token_secret = read_token_file(OAUTH_FILENAME)

        self.payload = {
            'v': "20170801",
            'oauth_token' : oauth_token
        }

    def cache_get(self, url, params):
        m = hashlib.sha224()
        m.update(url)
        m.update(str(params))
        key = m.hexdigest()

        res = self.mc.get(key)
        if(res):
            return json.loads(res)


        r = requests.get(self.url_base % "users/self/checkins", params=self.payload)
        self.mc.set(key, json.dumps(r.json()))
        return r.json()


    def my_checkins(self):
        return self.cache_get(self.url_base % "users/self/checkins", params=self.payload)

    def search_near(self, lat, lng, intent="checkin", radius=50, limit=10):
        payload = self.payload
        payload['ll'] = "%s,%s" % (lat, lng)
        payload['intent'] = intent
        payload['radius'] = radius
        payload['limit'] = limit
        return self.cache_get(self.url_base % "venues/search", params=self.payload)

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class MemCacheWrapper(object):
    """
    Memcache client wrapper.
    No exception raise and add some useful function.
    """

    def __init__(self, servers, logerr=None):
        self.cache = MCClient(servers=servers, debug=False)
        self.logerr = logerr

    def add(self, key, val=1, time=0):
        try:
            return self.cache.add(key, val, time)
        except Exception as e:
            _logger.warning("Exception during `add`: %s", e)

        return None

    def count(self, key, expires=0, delta=1):
        try:
            result = self.cache.incr(key, delta)
            if result is None:
                if not self.cache.add(key, delta, expires):
                    result = self.cache.incr(key, delta)
                else:
                    return delta
            return result
        except Exception as e:
            _logger.warning("Exception during `count`: %s", e)

        return None

    def get(self, key):
        result = None
        try:
            result = self.cache.get(str(key))
        except Exception as e:
            _logger.warning("Exception during `get`: %s", e)

        return result

    def set(self, key, value, expires):
        result = False
        try:
            result = self.cache.set(str(key), value, expires)
        except Exception as e:
            _logger.warning("Exception during `set`: %s", e)

        return result

    def delete(self, key):
        result = False
        try:
            result = self.cache.delete(key)
        except Exception as e:
            _logger.warning("Exception during `del`: %s", e)

        return result

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
    def read(self, layer, coord, format):
        """ Read a cached tile.
        """
        mem = Client(self.servers)
        key = tile_key(layer, coord, format, self.revision, self.key_prefix)

        value = mem.get(key)
        mem.disconnect_all()

        return value

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class OODictMongoMemcache(OODictMongo):
    """Add memcache caching capabilities to a OODictMongo."""

    def __init__(self, memcache_host, mongo_uri, mongo_db, mongo_coll,
                 mongo_id="_id", mongo_client=None, memcache_client=None,
                 _dict=None):
        super(OODictMongoMemcache, self).__init__(
            mongo_uri, mongo_db, mongo_coll, mongo_id,
            mongo_client, _dict
        )
        self._memcache_host = memcache_host
        ## self._memcache_lock = memache_lock
        if memcache_client is None:
            self._memcache = MemcacheClient(memcache_host)
        else:
            self._memcache = memcache_client

    def _memcache_key(self, mongo_id=None):
        return str("%s:%s:%s" % (self._mongo_db, self._mongo_coll,
                             mongo_id or self._dict.get(self._mongo_id, '')))

    def get_from_field(self, key, value, flush=False):
        """Get user by a key:value pair from mongo or memcache."""

        # if searching by id key, then we can find it in memcache
        if not flush and key == self._mongo_id:
            item = self._memcache.get(self._memcache_key(value))
            if item:
                log.info("Cache hit.")
                return self._reinit(item)
        log.info("Cache miss.")
        # didn't find it in memcache, search in mongo and update cache
        super(OODictMongoMemcache, self).get_from_field(key, value)
        item = self._dict
        if item:
            self._memcache.set(self._memcache_key(), item)
            return self._reinit(item)

    def refresh(self, flush=False):
        """Refresh self data from memcache. If flush is True, then
        flush memcache entry and force a refresh from mongo.

        """
        self.get_from_field(self._mongo_id, self._dict[self._mongo_id], flush)

    def save(self):
        """Save user data to storage."""

        self._memcache.set(self._memcache_key(), self._dict)
        super(OODictMongoMemcache, self).save()

    def delete(self):
        """Delete user from storage."""
        self._memcache.delete(self._memcache_key())
        super(OODictMongoMemcache, self).delete()

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
def whereyoulive(addr):

    conn = Client([gethostname()+':11211'])

    if conn.get(addr_prefix+addr) != None:
        conn.incr(addr_prefix+addr)

    else:
        conn.set(addr_prefix+addr, 1)

    if not addresses.__contains__(addr):
        addresses.append(addr)

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
 def read(self, layer, coord, format):
     """ Read a cached tile.
     """
     mem = Client(self.servers)
     key = tile_key(layer, coord, format, self.revision, self.key_prefix)
     
     value = mem.get(key)
     mem.disconnect_all()
     
     if value is None:
         return None
     
     return b64decode(value.encode('ascii'))

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class MemcachedManager():
    class Prefix():
        Session = 'SESSION'
        SysCache = 'ORDER_SYS_CACHE'

        
        
    def __init__(self):
#        if settings.ENVIRONMENT['dev']:
#            pass
#        else:
        self.conn = Client(settings.CACHE['clients'])
        
    def get(self, *arg):
        if len(arg) ==0:
            return None
        arg = [str(i) for i in arg]
        key = PRODUCT_PREFIX+ '|'.join(arg) 
        try:
#            if settings.ENVIRONMENT['dev']:
#                return _localCache.get(key)
#            else:
                return self.conn.get(key)
#            self.conn.
        except:# Client.MemcachedKeyNoneError:
            return None
        
    def set(self, value, timeout, *arg):
        if len(arg) ==0:
            return None  
        arg = [str(i) for i in arg]
        key = PRODUCT_PREFIX+'|'.join(arg)   
#        if settings.ENVIRONMENT['dev']:
#            _localCache[key] = value 
#        else:          
        self.conn.set(key, value, timeout)

    def delete(self, *arg):
        if len(arg) ==0:
            return None
        arg = [str(i) for i in arg]
        key = PRODUCT_PREFIX+'|'.join(arg) 
        try:
#            if settings.ENVIRONMENT['dev']:
#                if _localCache.has_key(key):
#                    _localCache.pop(key)
#            else:                
                self.conn.delete(key)
        except: # Client.MemcachedKeyNoneError:
            return None

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
    def test_memcached_connection(self):
        # python-memcached
        print('MEMCACHED_PORT_11211_TCP_ADDR')
        print(os.environ.get('MEMCACHED_PORT_11211_TCP_ADDR'))
        print('MEMCACHED_PORT_11211_TCP_PORT')
        print(os.environ.get('MEMCACHED_PORT_11211_TCP_PORT'))

        mc = Client([
            os.environ.get('MEMCACHED_PORT_11211_TCP_ADDR')
        ], debug=1)

        mc.set('a_string', 'some random string')
        newval = mc.get('a_string')
        self.assertEqual(newval, 'some random string')

        mc.disconnect_all()

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class Store(object):
  def __init__(self, host='127.0.0.1', port=11211):
    self.client = Client(['%s:%d' % (host, port),],
                         pickler=JSONPickler,
                         unpickler=JSONUnpickler)

  def get(self, key):
    result = self.client.get(key)
    if result:
      result = result.split('\t')
    return result

  def set(self, key, val):
    result = self.client.add(key, val)
    if not result:
      result = self.client.append(key, '\t%s' % val)
    return result

# 需要导入模块: from memcache import Client [as 别名]
# 或者: from memcache.Client import get [as 别名]
class Memcache(object):
    """
    address=127.0.0.1:11211
    # TODO 链接断开后没有自动重连机制
    """
    def __init__(self, address):
        from memcache import Client

        self.conn = Client([address])

    def get(self, key):
        return self.conn.get(key)

    def set(self, key, value, timeout):
        self.conn.set(key, value, timeout)

    def delete(self, key):
        self.conn.delete(key)