Add initial POD integration module.

rattail/pod.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+# -*- coding: utf-8  -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2012 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU Affero General Public License as published by the Free
+#  Software Foundation, either version 3 of the License, or (at your option)
+#  any later version.
+#
+#  Rattail 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 Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+
+"""
+`Product Open Data`_ Integration
+
+.. _`Product Open Data`: http://www.product-open-data.com/
+"""
+
+import os
+
+
+def get_image_path(config, gpc):
+    """
+    Get an image file path from a product GPC.
+    """
+    root_path = config.require('rattail.pod', 'pictures.gtin.root_path')
+    gtin = unicode(gpc)[1:]
+    return os.path.join(root_path, u'gtin-{0}'.format(gtin[:3]), u'{0}.jpg'.format(gtin))
+
+
+def get_image_url(config, gpc):
+    """
+    Get an image URL from a product GPC.
+    """
+    root_url = config.require('rattail.pod', 'pictures.gtin.root_url')
+    root_url = root_url.rstrip('/')
+    gtin = unicode(gpc)[1:]
+    return u'{0}/gtin-{1}/{2}.jpg'.format(root_url, gtin[:3], gtin)