def from_file(cls, config_path=None, *args, **kwargs):
"""Create a Cihai instance from a JSON or YAML config.
:param config_path: path to custom config file
:type config_path: str
:rtype: :class:`Cihai`
"""
config_reader = kaptan.Kaptan()
config = {}
if config_path:
if not os.path.exists(config_path):
raise exc.CihaiException(
'{0} does not exist.'.format(os.path.abspath(config_path)))
if not any(
config_path.endswith(ext) for ext in
('json', 'yml', 'yaml', 'ini')
):
raise exc.CihaiException(
'{0} does not have a yaml,yml,json,ini extension.'
.format(os.path.abspath(config_path))
)
else:
custom_config = config_reader.import_config(config_path).get()
config = merge_dict(config, custom_config)
return cls(config)
def test_base_exception():
with pytest.raises(
exc.CihaiException,
message="Make sure no one removes or renames base CihaiException"):
raise exc.CihaiException()
with pytest.raises(Exception, message="Extends python base exception"):
raise exc.CihaiException()
def test_base_exception():
with pytest.raises(exc.CihaiException):
raise exc.CihaiException() # Make sure its base of CihaiException
with pytest.raises(Exception):
raise exc.CihaiException() # Extends python base exception