[gobject-introspection] chose extension basing on OS

[Johan Dahlin <johan src gnome org>]

commit 272c4dbdf66eadfde8bf18200826867ec3a74035
Author: Alexey Zakhlestin <indeyets gmail com>
Date:   Wed Oct 6 15:02:46 2010 +0400

    chose extension basing on OS
    
    https://bugzilla.gnome.org/show_bug.cgi?id=606686

 giscanner/libtoolimporter.py |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)
---
diff --git a/giscanner/libtoolimporter.py b/giscanner/libtoolimporter.py
index e149ec4..84c62f9 100644
--- a/giscanner/libtoolimporter.py
+++ b/giscanner/libtoolimporter.py
@@ -20,6 +20,7 @@
 
 import imp
 import os
+import platform
 import sys
 
 from .utils import extract_libtool
@@ -49,8 +50,16 @@ class LibtoolImporter(object):
 
     def load_module(self, name):
         realpath = extract_libtool(self.path)
-        mod = imp.load_module(name, open(realpath), realpath,
-                              ('.so', 'rb', 3))
+        platform_system = platform.system()
+
+        if platform_system == 'Darwin':
+            extension = '.dylib'
+        elif platform_system == 'Windows':
+            extension = '.dll'
+        else:
+            extension = '.so'
+
+        mod = imp.load_module(name, open(realpath), realpath, (extension, 'rb', 3))
         mod.__loader__ = self
         return mod