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Lib: Improve IDLE launcher script for clarity and safety #138100

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ffe8598
Doc: Add exponentiation example to tutorial introduction
TheAhumMaitra Aug 23, 2025
48b4d1d
Lib: Improve IDLE launcher script for clarity and safety
TheAhumMaitra Aug 24, 2025
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33 changes: 23 additions & 10 deletions Lib/idlelib/idle.py
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Original file line number Diff line number Diff line change
@@ -1,14 +1,27 @@
import os.path
import os
import sys

def add_idlelib_to_path():
"""
Adds the parent directory of the current file's parent directory
to sys.path to allow running IDLE from a non-standard location.
"""
idlelib_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
if idlelib_dir not in sys.path:
sys.path.insert(0, idlelib_dir)
return idlelib_dir

# Enable running IDLE with idlelib in a non-standard location.
# This was once used to run development versions of IDLE.
# Because PEP 434 declared idle.py a public interface,
# removal should require deprecation.
idlelib_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
if idlelib_dir not in sys.path:
sys.path.insert(0, idlelib_dir)
def main():
"""
Import and run IDLE's main shell.
"""
add_idlelib_to_path()
try:
from idlelib.pyshell import main as idle_main
except ImportError as e:
print("Could not import idlelib.pyshell:", e)
sys.exit(1)
idle_main()

from idlelib.pyshell import main # This is subject to change
main()
if __name__ == "__main__":
main()
2 changes: 1 addition & 1 deletion README.rst
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Expand Up @@ -232,4 +232,4 @@ This Python distribution contains *no* GNU General Public License (GPL) code,
so it may be used in proprietary projects. There are interfaces to some GNU
code but these are entirely optional.

All trademarks referenced herein are property of their respective holders.
All trademarks referenced herein are property of their respective holders.
1 change: 1 addition & 0 deletions iOS/testbed/__main__.py
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Expand Up @@ -99,6 +99,7 @@ def clone_testbed(
print(f"{target} already exists; aborting without creating project.")
sys.exit(10)


if framework is None:
if not (
source / "Python.xcframework/ios-arm64_x86_64-simulator/bin"
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