def from_json(cls, json_file, **kwargs):
"""
Instantiate from a JSON file
A simple wrapper to the from_dict method
Args:
json_file (str):
**kwargs: Passed to from_dict()
Returns:
slf
"""
idict = utils.loadjson(json_file)
slf = cls.from_dict(idict, **kwargs)
return slf
def from_json(cls, json_file, **kwargs):
"""
Args:
json_file:
**kwargs:
Returns:
FRBGalaxy or None
"""
try:
idict = utils.loadjson(json_file)
except FileNotFoundError:
warnings.warn("File {} not found. This galaxy probably does not exist yet.".format(json_file))
return None
slf = cls.from_dict(idict, **kwargs)
return slf
