happi.backends.mongo_db.MongoBackend

class happi.backends.mongo_db.MongoBackend(host=None, user=None, pw=None, db=None, collection=None, timeout=None)

Abstraction for MongoDB backend

Parameters:

• host (str, optional) – Hostname for MongoDB
• user (str, optional) – Username for MongoDB instance
• pw (str, optional) – Password for given username
• host – Host of the MongoDB instance
• db (str, optional) – Database name within the MongoDB instance
• timeout (float, optional) – Time to wait for connection attempt

__init__(host=None, user=None, pw=None, db=None, collection=None, timeout=None)

Methods

__init__([host, user, pw, db, collection, …])
delete(_id)	Delete a device instance from the database
find([multiples])	Find an instance or instances that matches the search criteria
save(_id, post[, insert])	Save information to the database