From b9f1a0c2f601fad55bfc6b4f995a1739fbc957d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tarek=20Ziad=C3=A9?= <ziade.tarek@gmail.com>
Date: Thu, 9 Apr 2009 22:48:19 +0000
Subject: [PATCH] Merged revisions 71413 via svnmerge from
 svn+ssh://pythondev@svn.python.org/python/trunk

........
  r71413 | tarek.ziade | 2009-04-09 23:36:44 +0200 (Thu, 09 Apr 2009) | 1 line

  Fixed #5731: Distutils bdist_wininst no longer worked on non-Windows platforms
........
---
 Lib/distutils/command/bdist_wininst.py    | 11 ++++++--
 Lib/distutils/tests/test_bdist_wininst.py | 34 +++++++++++++++++++++++
 Misc/NEWS                                 |  3 ++
 3 files changed, 45 insertions(+), 3 deletions(-)
 create mode 100644 Lib/distutils/tests/test_bdist_wininst.py

diff --git a/Lib/distutils/command/bdist_wininst.py b/Lib/distutils/command/bdist_wininst.py
index f18e318cb91..d153e2bc387 100644
--- a/Lib/distutils/command/bdist_wininst.py
+++ b/Lib/distutils/command/bdist_wininst.py
@@ -344,10 +344,15 @@ class bdist_wininst (Command):
         directory = os.path.dirname(__file__)
         # we must use a wininst-x.y.exe built with the same C compiler
         # used for python.  XXX What about mingw, borland, and so on?
-        if self.plat_name == 'win32':
-            sfix = ''
+
+        # if plat_name starts with "win" but is not "win32"
+        # we want to strip "win" and leave the rest (e.g. -amd64)
+        # for all other cases, we don't want any suffix
+        if self.plat_name != 'win32' and self.plat_name[:3] == 'win':
+            sfix = self.plat_name[3:]
         else:
-            sfix = self.plat_name[3:] # strip 'win' - leaves eg '-amd64'
+            sfix = ''
+
         filename = os.path.join(directory, "wininst-%.1f%s.exe" % (bv, sfix))
         return open(filename, "rb").read()
 # class bdist_wininst
diff --git a/Lib/distutils/tests/test_bdist_wininst.py b/Lib/distutils/tests/test_bdist_wininst.py
new file mode 100644
index 00000000000..de6601fbb7e
--- /dev/null
+++ b/Lib/distutils/tests/test_bdist_wininst.py
@@ -0,0 +1,34 @@
+"""Tests for distutils.command.bdist_wininst."""
+import unittest
+import os
+
+from distutils.dist import Distribution
+from distutils.command.bdist_wininst import bdist_wininst
+from distutils.tests import support
+
+class BuildWinInstTestCase(support.TempdirManager,
+                           unittest.TestCase):
+
+    def test_get_exe_bytes(self):
+
+        # issue5731: command was broken on non-windows platforms
+        # this test makes sure it works now for every platform
+        # let's create a command
+        tmp_dir = self.mkdtemp()
+        pkg_dir = os.path.join(tmp_dir, 'foo')
+        os.mkdir(pkg_dir)
+        dist = Distribution()
+        cmd = bdist_wininst(dist)
+        cmd.ensure_finalized()
+
+        # let's run the code that finds the right wininst*.exe file
+        # and make sure it finds it and returns its content
+        # no matter what platform we have
+        exe_file = cmd.get_exe_bytes()
+        self.assert_(len(exe_file) > 10)
+
+def test_suite():
+    return unittest.makeSuite(BuildWinInstTestCase)
+
+if __name__ == '__main__':
+    test_support.run_unittest(test_suite())
diff --git a/Misc/NEWS b/Misc/NEWS
index 7cedc80c6a3..dc88679d26b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -103,6 +103,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #5731: Distutils bdist_wininst no longer worked on non-Windows 
+  platforms. Initial patch by Paul Moore.
+
 - Issue #1491431: Fixed distutils.filelist.glob_to_re for edge cases.
   Initial fix by Wayne Davison.