commit 90172bd5f8a95394125fb327ee30099485939839
Author: eszense <eszense@users.noreply.github.com>
Date:   Thu Jan 19 03:26:35 2017 +0800

    Proper handle space in  install_script absolute path
    
    Without this patch, if python.exe path contains space, msi generated
    with bdist_msi command with --install-script=abc.py will fail with msg:
    
    C:\\Program Files\\Python35\\python.exe: can't open file 'C:\\Program':
    [Error 2] No such file or directory

diff --git a/Lib/distutils/command/bdist_msi.py b/Lib/distutils/command/bdist_msi.py
index a4bd5a5..33d52ff 100644
--- a/Lib/distutils/command/bdist_msi.py
+++ b/Lib/distutils/command/bdist_msi.py
@@ -381,7 +381,7 @@ class bdist_msi(Command):
                 install_action = "install_script." + ver
                 exe_prop = "PYTHON" + ver
                 add_data(self.db, "CustomAction",
-                        [(install_action, 50, exe_prop, self.install_script_key)])
+                        [(install_action, 50, exe_prop, '"' + self.install_script_key + '"')])
                 add_data(self.db, "InstallExecuteSequence",
                         [(install_action, "&Python%s=3" % ver, start)])
                 start += 1