Create directory for python plugins if it doesn't exist

(otherwise the plugin extraction will fail)


git-svn-id: http://svn.osgeo.org/qgis/trunk@7868 c8812cc2-4d05-0410-92ff-de0c093fc19c

python/plugins/plugin_installer/qgis_plugins.py

@@ -132,6 +132,10 @@ def install_plugin(plugin, plugindir, repos):
             return (False, "Failed to download file to %s" % outfile)
             return
 
+        # make sure that the parent directory exists
+        if not os.path.exists(plugindir):
+            os.makedirs(plugindir)
+
         print "Extracting to plugin directory (%s)" % plugindir
         try:
 	    un = unzip()