def load_data(self, name):
"""Load tmp given a tmp path.
This is a low level method that will search through the various
search paths until it's able to load a value. This is typically
only needed to load *non* model files (such as _endpoints and
_retry). If you need to load model files, you should prefer
``load_service_model``.
:type name: str
:param name: The tmp path, i.e ``ec2/2015-03-01/service-2``.
:return: The loaded tmp. If no tmp could be found then
a DataNotFoundError is raised.
"""
for possible_path in self._potential_locations(name):
found = self.file_loader.load_file(possible_path)
if found is not None:
return found
# We didn't find anything that matched on any path.
raise DataNotFoundError(data_path=name)
def load_file(self, file_path):
"""
Loads a regular data file (format-specific to subclass).
This load is done uncached, so that you can always get the latest data
as needed.
Usage::
>>> loader = JSONFileLoader()
>>> loader.load_file('/path/to/some/thing.json')
{
# ...JSON data...
}
"""
try:
with open(file_path) as fp:
return json.load(fp, object_pairs_hook=OrderedDict)
except ValueError:
# For backward-compatibility with the previous implementation,
# if the JSON is bad, we'll raise a ``DataNotFoundError`` exception
# instead of letting it propagate.
raise DataNotFoundError(data_path=file_path)
def test_add_waiter_no_waiter_config(self):
self.session.get_waiter_model.side_effect = DataNotFoundError(
data_path='foo')
command_table = {}
add_waiters(command_table, self.session, self.command_object)
self.assertEqual(command_table, {})