def save(self):
'''Saves the session data to the datastore.'''
time_till_expire = timedelta(seconds=settings.SESSION_COOKIE_AGE)
expire_date = datetime.now() + time_till_expire
if self._datastore_session:
self._datastore_session.session_data = self.encode(self._session)
else:
self._datastore_session = Session(session_key=self.session_key,
session_data=self.encode(
self._session),
expire_date=expire_date)
self._datastore_session.put()
def save(self):
'''Saves the session data to the datastore.'''
time_till_expire = timedelta(seconds=settings.SESSION_COOKIE_AGE)
expire_date = datetime.now() + time_till_expire
if self._datastore_session:
self._datastore_session.session_data = self.encode(self._session)
else:
self._datastore_session = Session(session_key=self.session_key, session_data=self.encode(self._session), expire_date=expire_date)
self._datastore_session.put()
class SessionStore(SessionBase):
"""
A google appengine datastore based session store.
"""
def __init__(self, session_key=None):
'''Constructor for the SessionStore Class.'''
self._datastore_session = None
if session_key:
query = db.Query(Session)
query = query.filter("session_key =", session_key)
self._datastore_session = query.get()
super(SessionStore, self).__init__(session_key)
def load(self):
'''Loads session data from the datastore.'''
session_data = {}
if self._datastore_session:
if self._datastore_session.expire_date > datetime.now():
if self._datastore_session.session_data:
session_data = self.decode(self._datastore_session.session_data)
else:
session_data = None
else:
self.delete(self._datastore_session.session_key)
return session_data or {}
def save(self):
'''Saves the session data to the datastore.'''
time_till_expire = timedelta(seconds=settings.SESSION_COOKIE_AGE)
expire_date = datetime.now() + time_till_expire
if self._datastore_session:
self._datastore_session.session_data = self.encode(self._session)
else:
self._datastore_session = Session(session_key=self.session_key, session_data=self.encode(self._session), expire_date=expire_date)
self._datastore_session.put()
def exists(self, session_key):
'''Checks to see if the session exists.'''
exists = False
used_cache = False
session = self._get_session(session_key)
if session:
# Check that the session is still valid
if session.expire_date > datetime.now():
exists = True
else:
exists = False
else:
exists = False
return exists
def delete(self, session_key):
'''Destroys the session and removes it from the datastore.'''
session = self._get_session(session_key)
if session:
session.delete()
self._datastore_session = None
def _get_session(self, session_key = None):
'''Attempts to retreive the cached session and falls back to the stored session if needed.'''
session = None
# Try to use the cached session
if self._datastore_session:
# Make sure that the cached session matches the session key provided
if session_key is None or self._datastore_session.session_key == session_key:
session = self._datastore_session
# Fall back to the stored session
if session is None and session_key is not None:
query = db.Query(Session)
query = query.filter("session_key =", session_key)
session = query.get()
return session
class SessionStore(SessionBase):
"""
A google appengine datastore based session store.
"""
def __init__(self, session_key=None):
'''Constructor for the SessionStore Class.'''
self._datastore_session = None
if session_key:
query = db.Query(Session)
query = query.filter("session_key =", session_key)
self._datastore_session = query.get()
super(SessionStore, self).__init__(session_key)
def load(self):
'''Loads session data from the datastore.'''
session_data = {}
if self._datastore_session:
if self._datastore_session.expire_date > datetime.now():
if self._datastore_session.session_data:
session_data = self.decode(
self._datastore_session.session_data)
else:
session_data = None
else:
self.delete(self._datastore_session.session_key)
return session_data or {}
def save(self):
'''Saves the session data to the datastore.'''
time_till_expire = timedelta(seconds=settings.SESSION_COOKIE_AGE)
expire_date = datetime.now() + time_till_expire
if self._datastore_session:
self._datastore_session.session_data = self.encode(self._session)
else:
self._datastore_session = Session(session_key=self.session_key,
session_data=self.encode(
self._session),
expire_date=expire_date)
self._datastore_session.put()
def exists(self, session_key):
'''Checks to see if the session exists.'''
exists = False
used_cache = False
session = self._get_session(session_key)
if session:
# Check that the session is still valid
if session.expire_date > datetime.now():
exists = True
else:
exists = False
else:
exists = False
return exists
def delete(self, session_key):
'''Destroys the session and removes it from the datastore.'''
session = self._get_session(session_key)
if session:
session.delete()
self._datastore_session = None
def _get_session(self, session_key=None):
'''Attempts to retreive the cached session and falls back to the stored session if needed.'''
session = None
# Try to use the cached session
if self._datastore_session:
# Make sure that the cached session matches the session key provided
if session_key is None or self._datastore_session.session_key == session_key:
session = self._datastore_session
# Fall back to the stored session
if session is None and session_key is not None:
query = db.Query(Session)
query = query.filter("session_key =", session_key)
session = query.get()
return session
