class NameParserCache(object):
def __init__(self):
super(NameParserCache, self).__init__()
self._previous_parsed = OrderedDefaultdict()
self._cache_size = 1000
self.lock = threading.Lock()
def add(self, name, parse_result):
with self.lock:
self._previous_parsed[name] = parse_result
_current_cache_size = len(self._previous_parsed)
if _current_cache_size > self._cache_size:
key = None
for i in range(_current_cache_size - self._cache_size):
try:
key = self._previous_parsed.first_key()
del self._previous_parsed[key]
except KeyError:
logger.log('Could not remove old NameParserCache entry: %s' % key, logger.DEBUG)
def get(self, name):
with self.lock:
if name in self._previous_parsed:
logger.log('Using cached parse result for: ' + name, logger.DEBUG)
self._previous_parsed.move_to_end(name)
return self._previous_parsed[name]
class NameParserCache(object):
def __init__(self):
super(NameParserCache, self).__init__()
self._previous_parsed = OrderedDefaultdict()
self._cache_size = 1000
self.lock = threading.Lock()
def add(self, name, parse_result):
with self.lock:
self._previous_parsed[name] = parse_result
_current_cache_size = len(self._previous_parsed)
if _current_cache_size > self._cache_size:
key = None
for i in range(_current_cache_size - self._cache_size):
try:
key = self._previous_parsed.first_key()
del self._previous_parsed[key]
except KeyError:
logger.log(
'Could not remove old NameParserCache entry: %s' %
key, logger.DEBUG)
def get(self, name):
with self.lock:
if name in self._previous_parsed:
logger.log('Using cached parse result for: ' + name,
logger.DEBUG)
self._previous_parsed.move_to_end(name)
return self._previous_parsed[name]
def test_ordereddefaultdict(self):
d = OrderedDefaultdict()
d['key1'] = 'test_item1'
d['key2'] = 'test_item2'
d['key3'] = 'test_item3'
self.assertEqual('key1', d.first_key())
del d['key1']
d['key4'] = 'test_item4'
d.move_to_end('key2')
self.assertEqual('test_item2', d['key2'])
self.assertEqual('key2', d.last_key())
_ = 'end'