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41 lines
1001 B
Python
41 lines
1001 B
Python
# This source file is part of the Swift.org open source project
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#
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# Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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# Licensed under Apache License v2.0 with Runtime Library Exception
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#
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# See http://swift.org/LICENSE.txt for license information
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# See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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"""
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Class utility functions and decorators.
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"""
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from __future__ import absolute_import, unicode_literals
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__all__ = [
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'generate_repr',
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]
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def generate_repr(*attrs):
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"""Generates a standardized __repr__ implementation for the decorated class
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using the provided attributes and the class name.
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"""
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def _repr(self):
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args = []
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for attr in attrs:
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value = getattr(self, attr)
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args.append('{}={}'.format(attr, repr(value)))
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return '{}({})'.format(type(self).__name__, ', '.join(args))
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def decorator(cls):
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setattr(cls, '__repr__', _repr)
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return cls
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return decorator
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