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19 lines
364 B
Python
19 lines
364 B
Python
import contextlib
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from .py39 import import_helper
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@contextlib.contextmanager
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def isolated_modules():
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"""
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Save modules on entry and cleanup on exit.
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"""
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(saved,) = import_helper.modules_setup()
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try:
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yield
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finally:
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import_helper.modules_cleanup(saved)
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vars(import_helper).setdefault('isolated_modules', isolated_modules)
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