95 lines
2.4 KiB
Python
95 lines
2.4 KiB
Python
# Copyright 2014 - Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import inspect
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import json
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import six
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def get_public_fields(obj):
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"""Returns only public fields from object or class."""
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public_attributes = [attr for attr in dir(obj)
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if not attr.startswith("_")]
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public_fields = {}
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for attribute_str in public_attributes:
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attr = getattr(obj, attribute_str)
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is_field = not (inspect.isbuiltin(attr)
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or inspect.isfunction(attr)
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or inspect.ismethod(attr)
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or isinstance(attr, property))
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if is_field:
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public_fields[attribute_str] = attr
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return public_fields
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def get_docstring(obj):
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return inspect.getdoc(obj)
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def get_arg_list(func):
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argspec = get_args_spec(func)
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args = argspec.args
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if 'self' in args:
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args.remove('self')
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return args
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def get_arg_list_as_str(func):
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args = getattr(func, "__arguments__", None)
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if args:
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return args
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argspec = get_args_spec(func)
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defs = list(argspec.defaults or [])
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args = get_arg_list(func)
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diff_args_defs = len(args) - len(defs)
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arg_str_list = []
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for index, default in enumerate(args):
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if index >= diff_args_defs:
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try:
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arg_str_list.append(
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"%s=%s" % (
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args[index],
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json.dumps(defs[index - diff_args_defs])
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)
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)
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except TypeError:
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pass
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else:
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arg_str_list.append("%s" % args[index])
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keywords = argspec.keywords if six.PY2 else argspec.varkw
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if keywords:
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arg_str_list.append("**%s" % keywords)
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return ", ".join(arg_str_list)
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def get_args_spec(func):
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if six.PY2:
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return inspect.getargspec(func)
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return inspect.getfullargspec(func)
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