49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
# Copyright (C) 2015 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import inspect
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def get_callback_name(cb):
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"""Tries to get a callbacks fully-qualified name.
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If no name can be produced ``repr(cb)`` is called and returned.
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"""
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segments = []
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try:
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segments.append(cb.__qualname__)
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except AttributeError:
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try:
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segments.append(cb.__name__)
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if inspect.ismethod(cb):
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try:
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# This attribute doesn't exist on py3.x or newer, so
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# we optionally ignore it... (on those versions of
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# python `__qualname__` should have been found anyway).
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segments.insert(0, cb.im_class.__name__)
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except AttributeError:
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pass
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except AttributeError:
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pass
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if not segments:
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return repr(cb)
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else:
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try:
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# When running under sphinx it appears this can be none?
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if cb.__module__:
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segments.insert(0, cb.__module__)
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except AttributeError:
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pass
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return ".".join(segments)
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