added basic functionality to import designers into esales cluster

esales/models.py

@@ -0,0 +1,47 @@
+# coding=utf-8
+from xml.etree.cElementTree import Element, SubElement
+
+
+class Category(object):
+    """ represents an eSales category """
+
+    def __init__(self, key, display_name=None, **kwargs):
+        self.key = key
+        self.display_name = display_name
+        self.attributes = {}
+        for k, v in kwargs.items():
+            self.attributes[k] = v
+
+    @property
+    def etree(self):
+        root = Element("category", key=self.key)
+        if self.display_name:
+            SubElement(root, "display_name").text = self.display_name
+        if self.attributes:
+            attributes = SubElement(root, "attributes")
+            for k, v in self.attributes.items():
+                s = str(v)
+                if s:
+                    SubElement(attributes, k).text = s
+
+        return root
+
+
+class CategoryTree(object):
+    """represents an eSales CategoryTree"""
+
+    def __init__(self, product_attribute):
+        self.categories = []
+        self.product_attribute = product_attribute
+
+    def add_category(self, category):
+        self.categories.append(category)
+
+    @property
+    def etree(self):
+        root = Element("category_tree",
+                       product_attribute=self.product_attribute)
+        for category in self.categories:
+            root.append(category.etree)
+
+        return root