04c9ed3700
* add libb2 as dep * remove "-Wl,--large-address-aware", default now via makepkg * remove 2to3 logic, no longer in Python
133 lines
3.8 KiB
Diff
133 lines
3.8 KiB
Diff
From 86a44efeac98595dc0b319fdd42135fe32540194 Mon Sep 17 00:00:00 2001
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From: Christoph Reiter <reiter.christoph@gmail.com>
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Date: Thu, 22 Sep 2022 17:51:33 +0200
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Subject: [PATCH 072/N] Don't change os.sep with an empty MSYSTEM env var,
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not just a missing one
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Up until now this didn't really happen when calling from cygwin
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because empty env vars were removed before Python would run.
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But https://github.com/msys2/msys2-runtime/pull/101 changed that.
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To avoid breaking users that did something like
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MSYSTEM= python ...
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not only check that MSYSTEM isn't set but also that it isn't empty
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when deciding if os.sep/os.altsep should be switched.
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Also, guard the msystem env check to execute only on MINGW
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Co-authored-by: Naveen M K <naveen521kk@gmail.com>
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---
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Lib/importlib/_bootstrap_external.py | 2 +-
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Lib/ntpath.py | 2 +-
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Python/pathconfig.c | 20 +++++++++++---------
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mingw_smoketests.py | 2 +-
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4 files changed, 14 insertions(+), 12 deletions(-)
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diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py
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index e9a7a84..520025e 100644
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--- a/Lib/importlib/_bootstrap_external.py
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+++ b/Lib/importlib/_bootstrap_external.py
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@@ -43,7 +43,7 @@ if _MS_WINDOWS:
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else:
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path_separators = ['/']
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-if 'MSYSTEM' in _os.environ:
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+if _os.environ.get('MSYSTEM', ''):
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path_separators = path_separators[::-1]
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# Assumption made in _path_join()
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diff --git a/Lib/ntpath.py b/Lib/ntpath.py
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index 07ca7aa..0d4205e 100644
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--- a/Lib/ntpath.py
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+++ b/Lib/ntpath.py
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@@ -20,7 +20,7 @@ import sys
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import genericpath
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from genericpath import *
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-if sys.platform == "win32" and "MSYSTEM" in os.environ:
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+if sys.platform == "win32" and os.environ.get("MSYSTEM", ""):
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sep = '/'
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altsep = '\\'
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else:
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diff --git a/Python/pathconfig.c b/Python/pathconfig.c
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index 7a3711d..efa670a 100644
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--- a/Python/pathconfig.c
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+++ b/Python/pathconfig.c
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@@ -8,7 +8,7 @@
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#include <wchar.h>
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#include "marshal.h" // PyMarshal_ReadObjectFromString
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-#include "osdefs.h" // DELIM
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+#include "osdefs.h" // DELIM, SEP
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#ifdef MS_WINDOWS
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# include <windows.h> // GetFullPathNameW(), MAX_PATH
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@@ -48,7 +48,6 @@ Py_StartsWithW(const wchar_t * str, const wchar_t * prefix)
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char
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Py_GetSepA(const char *name)
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{
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- char* msystem = (char*)2; /* So that non Windows use / as sep */
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static char sep = '\0';
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#ifdef _WIN32
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/* https://msdn.microsoft.com/en-gb/library/windows/desktop/aa365247%28v=vs.85%29.aspx
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@@ -63,12 +62,14 @@ Py_GetSepA(const char *name)
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if (sep != '\0')
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return sep;
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#if defined(__MINGW32__)
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- msystem = Py_GETENV("MSYSTEM");
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-#endif
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- if (msystem != NULL)
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+ char* msystem = getenv("MSYSTEM");
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+ if (msystem != NULL && strcmp(msystem, "") != 0)
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sep = '/';
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else
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sep = '\\';
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+#else
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+ sep = SEP;
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+#endif
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return sep;
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}
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@@ -101,7 +102,6 @@ Py_NormalizeSepsA(char *name)
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wchar_t
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Py_GetSepW(const wchar_t *name)
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{
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- char* msystem = (char*)2; /* So that non Windows use / as sep */
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static wchar_t sep = L'\0';
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#ifdef _WIN32
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/* https://msdn.microsoft.com/en-gb/library/windows/desktop/aa365247%28v=vs.85%29.aspx
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@@ -116,12 +116,14 @@ Py_GetSepW(const wchar_t *name)
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if (sep != L'\0')
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return sep;
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#if defined(__MINGW32__)
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- msystem = Py_GETENV("MSYSTEM");
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-#endif
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- if (msystem != NULL)
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+ char* msystem = getenv("MSYSTEM");
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+ if (msystem != NULL && strcmp(msystem, "") != 0)
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sep = L'/';
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else
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sep = L'\\';
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+#else
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+ sep = SEP;
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+#endif
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return sep;
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}
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diff --git a/mingw_smoketests.py b/mingw_smoketests.py
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index aa76659..2a8bd16 100644
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--- a/mingw_smoketests.py
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+++ b/mingw_smoketests.py
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@@ -29,7 +29,7 @@ import os
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import unittest
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import sysconfig
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-if "MSYSTEM" in os.environ:
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+if os.environ.get("MSYSTEM", ""):
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SEP = "/"
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else:
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SEP = "\\"
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