add deprecated python module alias for backward compatibility

bindings/python/mapnik2/__init__.py

@@ -0,0 +1,27 @@
+#
+# This file is part of Mapnik (C++/Python mapping toolkit)
+# Copyright (C) 2011 Artem Pavlenko
+#
+# Mapnik is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+
+# mapnik2 module (Deprecated)
+ 
+import warnings
+from mapnik import *
+warnings.simplefilter("default")
+msg=""" mapnik2 module has been deprecated,
+        please use 'import mapnik' """
+warnings.warn(msg, DeprecationWarning)