https://github.com/python/cpython/commit/ac99d7e5cce85f87475817fd2b8b3aeded6126c6
commit: ac99d7e5cce85f87475817fd2b8b3aeded6126c6
branch: 3.13
author: Steve Dower <[email protected]>
committer: zooba <[email protected]>
date: 2025-05-07T13:24:33+01:00
summary:
gh-133512: Adds warnings to py.exe launcher about subcommands belonging to
Python install manager (GH-133514)
files:
A Misc/NEWS.d/next/Windows/2025-05-06-14-09-19.gh-issue-133512.bh-D-g.rst
M PC/launcher2.c
diff --git
a/Misc/NEWS.d/next/Windows/2025-05-06-14-09-19.gh-issue-133512.bh-D-g.rst
b/Misc/NEWS.d/next/Windows/2025-05-06-14-09-19.gh-issue-133512.bh-D-g.rst
new file mode 100644
index 00000000000000..7579910f988f75
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2025-05-06-14-09-19.gh-issue-133512.bh-D-g.rst
@@ -0,0 +1,2 @@
+Add warnings to :ref:`launcher` about use of subcommands belonging to the
+Python install manager.
diff --git a/PC/launcher2.c b/PC/launcher2.c
index 72121724726ccb..357ee53e55c22d 100644
--- a/PC/launcher2.c
+++ b/PC/launcher2.c
@@ -1058,7 +1058,7 @@ checkShebang(SearchInfo *search)
debug(L"# Failed to open %s for shebang parsing (0x%08X)\n",
scriptFile, GetLastError());
free(scriptFile);
- return 0;
+ return RC_NO_SCRIPT;
}
DWORD bytesRead = 0;
@@ -2665,6 +2665,21 @@ performSearch(SearchInfo *search, EnvironmentInfo **envs)
case RC_NO_SHEBANG:
case RC_RECURSIVE_SHEBANG:
break;
+ case RC_NO_SCRIPT:
+ if (!_comparePath(search->scriptFile, search->scriptFileLength,
L"install", -1) ||
+ !_comparePath(search->scriptFile, search->scriptFileLength,
L"uninstall", -1) ||
+ !_comparePath(search->scriptFile, search->scriptFileLength,
L"list", -1) ||
+ !_comparePath(search->scriptFile, search->scriptFileLength,
L"help", -1)) {
+ fprintf(
+ stderr,
+ "WARNING: The '%.*ls' command is unavailable because this is
the legacy py.exe command.\n"
+ "If you have already installed the Python install manager,
open Installed Apps and "
+ "remove 'Python Launcher' to enable the new py.exe command.\n",
+ search->scriptFileLength,
+ search->scriptFile
+ );
+ }
+ break;
default:
return exitCode;
}
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