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gh-115049: Fix py.exe failing when user has no LocalAppData. (GH-115185)

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Also ensure we always display a debug message or error for RC_INTERNAL_ERROR
(cherry picked from commit c39272e143)

Co-authored-by: Steve Dower <steve.dower@python.org>
This commit is contained in:
Miss Islington (bot) 2024-02-12 19:18:45 +01:00 • committed by GitHub
parent 5ec271db3b
commit 90d1037046
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2 changed files with 14 additions and 2 deletions
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1
Misc/NEWS.d/next/Windows/2024-02-08-21-37-22.gh-issue-115049.X1ObpJ.rst Normal file
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@ -0,0 +1 @@
Fixes ``py.exe`` launcher failing when run as users without user profiles.

15
PC/launcher2.c
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@ -1576,6 +1576,7 @@ _registryReadLegacyEnvironment(const SearchInfo *search, HKEY root, EnvironmentI
int count = swprintf_s(realTag, tagLength + 4, L"%s-32", env->tag);
if (count == -1) {
debug(L"# Failed to generate 32bit tag\n");
free(realTag);
return RC_INTERNAL_ERROR;
}
@ -1731,10 +1732,18 @@ appxSearch(const SearchInfo *search, EnvironmentInfo **result, const wchar_t *pa
exeName = search->windowed ? L"pythonw.exe" : L"python.exe";
}
if (FAILED(SHGetFolderPathW(NULL, CSIDL_LOCAL_APPDATA, NULL, 0, buffer)) ||
!join(buffer, MAXLEN, L"Microsoft\\WindowsApps") ||
// Failure to get LocalAppData may just mean we're running as a user who
// doesn't have a profile directory.
// In this case, return "not found", but don't fail.
// Chances are they can't launch Store installs anyway.
if (FAILED(SHGetFolderPathW(NULL, CSIDL_LOCAL_APPDATA, NULL, 0, buffer))) {
return RC_NO_PYTHON;
}
if (!join(buffer, MAXLEN, L"Microsoft\\WindowsApps") ||
!join(buffer, MAXLEN, packageFamilyName) ||
!join(buffer, MAXLEN, exeName)) {
debug(L"# Failed to construct App Execution Alias path\n");
return RC_INTERNAL_ERROR;
}
@ -1956,6 +1965,7 @@ collectEnvironments(const SearchInfo *search, EnvironmentInfo **result)
EnvironmentInfo *env = NULL;
if (!result) {
debug(L"# collectEnvironments() was passed a NULL result\n");
return RC_INTERNAL_ERROR;
}
*result = NULL;
@ -2250,6 +2260,7 @@ int
selectEnvironment(const SearchInfo *search, EnvironmentInfo *root, EnvironmentInfo **best)
{
if (!best) {
debug(L"# selectEnvironment() was passed a NULL best\n");
return RC_INTERNAL_ERROR;
}
if (!root) {