happi.backends.json_db.JSONBackend

class happi.backends.json_db.JSONBackend(path, initialize=False)

JSON database

The happi information is kept in a single dictionary large dictionary that is stored using simplejson

Parameters:

• path (str) – Path to JSON file
• initialze (bool, optional) – Initialize a new empty JSON file to begin filling

__init__(path, initialize=False)

Methods

__init__(path[, initialize])
delete(_id)	Delete a device instance from the database
find([_id, multiples])	Find an instance or instances that matches the search criteria
initialize()	Initialize a new JSON file database
load()	Load the JSON database
save(_id, post[, insert])	Save information to the database
store(db)	Stache the database back into JSON