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Issue #6074: Restore the long-broken support for running with read-only source files on Windows

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Nick Coghlan 2012-10-19 21:58:18 +10:00
parent 02f69f6965
commit b48c028ca7
3 changed files with 56 additions and 1 deletions
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6
Python/import.c
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@ -910,6 +910,12 @@ write_compiled_module(PyCodeObject *co, char *cpathname, struct stat *srcstat)
time_t mtime = srcstat->st_mtime;
#ifdef MS_WINDOWS /* since Windows uses different permissions */
mode_t mode = srcstat->st_mode & ~S_IEXEC;
/* Issue #6074: We ensure user write access, so we can delete it later
* when the source file changes. (On POSIX, this only requires write
* access to the directory, on Windows, we need write access to the file
* as well)
*/
mode |= _S_IWRITE;
#else
mode_t mode = srcstat->st_mode & ~S_IXUSR & ~S_IXGRP & ~S_IXOTH;
#endif