def _compare_by_hash(self, update_hash=False):
md5 = hashlib.new('md5')
key = str(self.user.key())
for item in self.netprint.list():
md5.update(item.id or '')
namespace = get_namespace()
digest = md5.hexdigest()
previous_digest = memcache.get(key,
namespace=namespace)
logging.debug('Generated digest is %s, and cached is %s',
digest,
previous_digest)
changed = digest != previous_digest
if update_hash and changed:
memcache.set(key, digest, namespace=namespace)
return changed
def test_do_not_make_report_if_no_change(self):
import hashlib
from google.appengine.api import memcache
from netprintbox.data import FileState
from netprintbox.utils import (
normalize_name, get_namespace)
NETPRINT_ID = 'latest'
ORIGINAL_PATH = '/latest.data'
NETPRINT_NAME = normalize_name(ORIGINAL_PATH)
user = create_user()
create_file_info(user,
path=ORIGINAL_PATH,
netprint_id=NETPRINT_ID,
netprint_name=NETPRINT_NAME,
state=FileState.LATEST)
class netprint(object):
@staticmethod
def list():
return [
create_netprint_item(
id=NETPRINT_ID,
name=NETPRINT_NAME)
]
md5 = hashlib.new('md5')
md5.update(NETPRINT_ID)
memcache.set(str(user.key()), md5.hexdigest(),
namespace=get_namespace())
service = self._getOUT(user)
service.netprint = netprint
(need_report, _result) = service._make_report()
self.assertFalse(need_report)
# check no exception is occurred.
service.make_report()
def delete(key):
logging.debug(u"Deleting token by key: %s", key)
memcache.delete(key,
namespace=get_namespace())
def put(self):
if self.key is None or self.token is None:
raise ValueError
logging.debug(u"Saving token: %s", self.token)
memcache.set(self.key, str(self.token),
namespace=get_namespace())
def get(key):
logging.debug(u"Getting token by key: %s", key)
return OAuthToken.from_string(
memcache.get(key,
namespace=get_namespace()))
