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27 lines
612 B
27 lines
612 B
import os
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from contextlib import contextmanager
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def traverse_parents(path, include_current=False):
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if not include_current:
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path = os.path.dirname(path)
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previous = None
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while previous != path:
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yield path
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previous = path
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path = os.path.dirname(path)
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@contextmanager
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def monkeypatch(obj, attribute_name, new_value):
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"""
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Like pytest's monkeypatch, but as a context manager.
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"""
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old_value = getattr(obj, attribute_name)
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try:
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setattr(obj, attribute_name, new_value)
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yield
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finally:
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setattr(obj, attribute_name, old_value)
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