def _create_json_typecasters()

in functions/source/create-db/psycopg2/_json.py [0:0]

• 16 lines of code
• 5 McCabe index (conditional complexity)

def _create_json_typecasters(oid, array_oid, loads=None, name='JSON'):
    """Create typecasters for json data type."""
    if loads is None:
        if json is None:
            raise ImportError("no json module available")
        else:
            loads = json.loads

    def typecast_json(s, cur):
        if s is None:
            return None
        return loads(s)

    JSON = new_type((oid, ), name, typecast_json)
    if array_oid is not None:
        JSONARRAY = new_array_type((array_oid, ), "%sARRAY" % name, JSON)
    else:
        JSONARRAY = None

    return JSON, JSONARRAY