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| # Copyright (c) Facebook, Inc. and its affiliates. | |
| # All rights reserved. | |
| # | |
| # This source code is licensed under the license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| import inspect | |
| from typing import Optional, List | |
| def simple_repr(obj, attrs: Optional[List[str]] = None, overrides={}): | |
| """ | |
| Return a simple representation string for `obj`. | |
| If `attrs` is not None, it should be a list of attributes to include. | |
| """ | |
| params = inspect.signature(obj.__class__).parameters | |
| attrs_repr = [] | |
| if attrs is None: | |
| attrs = params.keys() | |
| for attr in attrs: | |
| display = False | |
| if attr in overrides: | |
| value = overrides[attr] | |
| elif hasattr(obj, attr): | |
| value = getattr(obj, attr) | |
| else: | |
| continue | |
| if attr in params: | |
| param = params[attr] | |
| if param.default is inspect._empty or value != param.default: | |
| display = True | |
| else: | |
| display = True | |
| if display: | |
| attrs_repr.append(f"{attr}={value}") | |
| return f"{obj.__class__.__name__}({','.join(attrs_repr)})" | |