def ensure_index(self, key, unique=False, **kwargs):
"""
Wrapper for pymongo.Collection.ensure_index
"""
if "background" not in kwargs:
kwargs["background"] = True
if confirm_field_index(self.collection, key):
return True
else:
try:
self.collection.create_index(key, unique=unique, **kwargs)
return True
except:
return False
def ensure_index(self, key: str, unique: Optional[bool] = False) -> bool:
"""
Tries to create an index and return true if it suceeded
Args:
key: single key to index
unique: Whether or not this index contains only unique keys
Returns:
bool indicating if the index exists/was created
"""
if confirm_field_index(self._collection, key):
return True
else:
try:
self._collection.create_index(key, unique=unique, background=True)
return True
except Exception:
return False
def ensure_index(self, key, unique=False):
"""
Wrapper for pymongo.Collection.ensure_index for the files collection
"""
# Transform key for gridfs first
if key not in self.files_collection_fields:
key = "metadata.{}".format(key)
if "background" not in kwargs:
kwargs["background"] = True
if confirm_field_index(self.collection, key):
return True
else:
try:
self.collection.create_index(key, unique=unique, **kwargs)
return True
except:
return False