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# Copyright 2024 The etils Authors.
#
# 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.
"""Attributes parser."""
from __future__ import annotations
import dataclasses
@dataclasses.dataclass
class ExceptionWrapper:
"""Wrapper around an exception to signal an error was raised.
While parsing the attribute.
"""
e: Exception
def get_attrs(obj: object) -> dict[str, object]:
"""Parse all attributes from an object.
Limitation:
* Descriptor will be resolved, so all properties are executed (some can
have side effects, or take a lot of time to compute)
Args:
obj: Object to inspect
Returns:
Dict mapping attribute name to values.
"""
attrs = {}
# Merge `dir(obj)` with `object.__dir__(obj)` to bypass custom object
# `__dir__`
for k in dir(obj) + object.__dir__(obj):
if k in attrs:
continue
try:
v = getattr(obj, k)
except Exception as e: # pylint: disable=broad-except
v = ExceptionWrapper(e)
attrs[k] = v
return attrs
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