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7a563e3f98
gh-70331: Protect IDLE's imports from user files in the current directory (GH-157643)
Start the user process with -P, so that the current directory is not on
sys.path while idlelib.run and its dependencies are imported. sys.path
is set later by transfer_path(). Protect __main__, idle, and pyshell entry points.
(cherry picked from commit 6893326350)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
20 lines
657 B
Python
20 lines
657 B
Python
import sys
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if __spec__ is not None and not sys.flags.safe_path:
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# Remove the current directory, prepended by "python -m", so that
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# user files do not shadow IDLE's imports (gh-70331).
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del sys.path[0]
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import os.path
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# Enable running IDLE with idlelib in a non-standard location.
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# This was once used to run development versions of IDLE.
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# Because PEP 434 declared idle.py a public interface,
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# removal should require deprecation.
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idlelib_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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if idlelib_dir not in sys.path:
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sys.path.insert(0, idlelib_dir)
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from idlelib.pyshell import main # This is subject to change
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main()
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