def remove_kind(kind):
results = []
query, curr_results, cursor = fetch_keys(kind)
results.extend(curr_results)
while curr_results:
query, curr_results, cursor = fetch_keys(kind, query=query,
cursor=cursor)
results.extend(curr_results)
if not results:
return
delete_outside_transaction = False
with datastore.Transaction():
# Now that we have all results, we seek to delete.
print('Deleting keys:')
print(results)
ancestors = get_ancestors(results)
if len(ancestors) > TRANSACTION_MAX_GROUPS:
delete_outside_transaction = True
else:
datastore.delete_multi([result.key for result in results])
if delete_outside_transaction:
datastore.delete_multi([result.key for result in results])
def tearDown(self):
with datastore.Transaction():
keys = [entity.key for entity in self.case_entities_to_delete]
datastore.delete_multi(keys)
query = datastore.Query(kind='Thing')
# Let's look at the first two.
print(list(query.fetch(limit=2)))
# Now let's check for Thing entities named 'Computer'
query.add_filter('name', '=', 'Computer')
print(list(query.fetch()))
# If you want to filter by multiple attributes,
# you can call .add_filter multiple times on the query.
query.add_filter('age', '=', 10)
print(list(query.fetch()))
# Now delete them.
datastore.delete_multi(sample_keys)
# You can also work inside a transaction.
# (Check the official docs for explanations of what's happening here.)
with datastore.Transaction() as xact:
print('Creating and saving an entity...')
key = datastore.Key('Thing', 'foo')
thing = datastore.Entity(key)
thing['age'] = 10
xact.put(thing)
print('Creating and saving another entity...')
key2 = datastore.Key('Thing', 'bar')
thing2 = datastore.Entity(key2)
thing2['age'] = 15
xact.put(thing2)
query = datastore.Query(kind='Thing')
# Let's look at the first two.
print(list(query.fetch(limit=2)))
# Now let's check for Thing entities named 'Computer'
query.add_filter('name', '=', 'Computer')
print(list(query.fetch()))
# If you want to filter by multiple attributes,
# you can call .add_filter multiple times on the query.
query.add_filter('age', '=', 10)
print(list(query.fetch()))
# Now delete them.
datastore.delete_multi(sample_keys)
# You can also work inside a transaction.
# (Check the official docs for explanations of what's happening here.)
with datastore.Transaction() as xact:
print('Creating and saving an entity...')
key = datastore.Key('Thing', 'foo')
thing = datastore.Entity(key)
thing['age'] = 10
xact.put(thing)
print('Creating and saving another entity...')
key2 = datastore.Key('Thing', 'bar')
thing2 = datastore.Entity(key2)
thing2['age'] = 15
xact.put(thing2)