# Copyright 2015 Oliver Cope
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
"""
Common utilities for writing applications in fresco
"""
from fresco.exceptions import NotFound
__all__ = ["object_or_404"]
[docs]def object_or_404(ob, exception=NotFound):
"""
Return the value of ``ob`` if it is not None. Otherwise raise a NotFound
exception.
"""
if ob is None:
raise exception()
return ob
def fq_path(ob):
"""
Return the fully qualified path of ``ob``, expected to be a function or
method
"""
name = (
getattr(ob, "__qualname__", None) or getattr(ob, "__name__", None) or repr(ob)
)
module = getattr(ob, "__module__", None) or ""
return "{}.{}".format(module, name)