def get_blobs(cls):
# This function acts as a getter from in-memory storage.
blobs = tools.mem_temp_get(settings.BLOBKEYMANAGER_KEY, None)
if blobs is None:
tools.mem_temp_set(settings.BLOBKEYMANAGER_KEY, {'delete': []})
blobs = tools.mem_temp_get(settings.BLOBKEYMANAGER_KEY)
return blobs
def process_blob_output(cls):
blobs = tools.mem_temp_get(settings.BLOBKEYMANAGER_KEY, None)
if blobs is not None:
save_blobs = blobs.get('save', None)
delete_blobs = blobs.get('delete', None)
if delete_blobs:
if save_blobs:
for blob in save_blobs:
if blob in delete_blobs:
delete_blobs.remove(blob)
if delete_blobs:
tools.log.debug('DELETED %s BLOBS.' % len(delete_blobs))
blobstore.delete(delete_blobs)
def prepare(self, **kwds):
key_id = self.key_id
parent = kwds.get('parent')
self.set_key(key_id, parent=parent)
if key_id is None and self.sequence is None:
key = 'prepare_%s' % self.key.urlsafe()
sequence = tools.mem_temp_get(key, tools.Nonexistent)
if sequence is tools.Nonexistent:
entity = self.query(ancestor=self.key.parent()).order(
-self.__class__.sequence).get()
if not entity:
sequence = 0
else:
sequence = entity.sequence
tools.mem_temp_set(key, sequence)
self.sequence = self._sequence + sequence + 1
def process_blob_state(cls, state):
blobs = tools.mem_temp_get(settings.BLOBKEYMANAGER_KEY, None)
if blobs is not None:
# Process blobs to be saved.
save_state_blobs = blobs.get('save_%s' % state, None)
delete_blobs = blobs.get('delete', None)
if delete_blobs is None:
delete_blobs = blobs['delete'] = []
if save_state_blobs and delete_blobs is not None:
for blob in save_state_blobs:
if blob in delete_blobs:
delete_blobs.remove(blob)
# Process blobs to be deleted.
delete_state_blobs = blobs.get('delete_%s' % state, None)
if delete_state_blobs and delete_blobs is not None:
for blob in delete_state_blobs:
if blob not in delete_blobs:
delete_blobs.append(blob)
def current_location_data(cls):
return tools.mem_temp_get('current_request_location_data')
def current_account_session(cls):
return tools.mem_temp_get('current_account_session')
def current_account(cls):
current_account = tools.mem_temp_get('current_account')
if not current_account:
current_account = cls()
cls.set_current_account(current_account)
return current_account
def _is_cron(self):
return tools.mem_temp_get('current_request_is_cron')
def _is_taskqueue(self):
return tools.mem_temp_get('current_request_is_taskqueue')