def list_collection_names(self, filter=None, session=None):
"""filter: only name field type with eq,ne or regex operator
session: not supported
for supported operator please see _LIST_COLLECTION_FILTER_ALLOWED_OPERATORS
"""
field_name = 'name'
if session:
raise NotImplementedError('Mongomock does not handle sessions yet')
if filter:
if not filter.get('name'):
raise NotImplementedError('list collection {0} might be valid but is not '
'implemented yet in mongomock'.format(filter))
filter = {field_name: {'$eq': filter.get(field_name)}} \
if isinstance(filter.get(field_name), str) else filter
_verify_list_collection_supported_op(filter.get(field_name).keys())
return [name for name in list(self._store._collections)
if filter_applies(filter, {field_name: name}) and
not name.startswith('system.')]
return [
name for name in self._get_created_collections()
if not name.startswith('system.')
]
def _find_matches_for_depth(query):
if isinstance(query, list):
query = {'$in': query}
matches = foreign_collection.find({connect_to_field: query})
new_matches = []
for new_match in matches:
if filtering.filter_applies(restrict_search_with_match, new_match) \
and new_match['_id'] not in found_items:
if depth_field is not None:
new_match = collections.OrderedDict(new_match, **{depth_field: depth})
new_matches.append(new_match)
found_items.add(new_match['_id'])
return new_matches
'$graphLookup': None, '$group': _handle_group_stage, '$indexStats': None, '$limit': lambda c, d, o: c[:o], '$listLocalSessions': None, '$listSessions': None, '$lookup': _handle_lookup_stage, '$match': lambda c, d, o: [doc for doc in c if filtering.filter_applies(o, doc)], '$out': _handle_out_stage, '$project': _handle_project_stage, '$redact': None, '$replaceRoot': None, '$sample': _handle_sample_stage, '$skip': lambda c, d, o: c[o:], '$sort': _handle_sort_stage, '$sortByCount':
