Add price context script

This script creates a context to compute the default price of a product in the online store in line with extended getPrice API

bt5/erp5_commerce/SkinTemplateItem/portal_skins/erp5_commerce/Resource_getPriceCalculationDefaultContext.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_body</string> </key>
+            <value> <string>"""\n
+  Create a temporary movement with properties and categories\n
+  needed to provide a default price for a given resource\n
+\n
+  TODO:\n
+  - support input parameters (**kw) to specialize\n
+    price calculation\n
+"""\n
+from Products.ERP5Type.Document import newTempMovement\n
+\n
+web_site_value = context.getPortalObject().web_site_module.weinparis # hack cause no way to know default site....\n
+variation_dict = {}\n
+if len(context.getVariationRangeCategoryList()):\n
+  request = context.REQUEST\n
+  # Set each category of variation either to the default value\n
+  # or to the value provided by the REQUEST object\n
+  for variation_base_category in context.getVariationBaseCategoryList():\n
+    default_variation = context.getVariationCategoryList(base_category_list=[variation_base_category])\n
+    # circumvent inconsistency for individual variations\n
+    default_variation = default_variation or \\\n
+      context.getVariationRangeCategoryList(base_category_list=[variation_base_category])\n
+    if len(default_variation):\n
+      default_variation = default_variation[0]\n
+      variation_category = request.get(variation_base_category, default_variation)\n
+      variation_dict[variation_base_category] = variation_category\n
+movement = newTempMovement(context, "temp_pricing_movement", resource_value=context,\n
+                           price_currency_value=web_site_value.WebSite_getShoppingCartDefaultCurrency(),\n
+                           **variation_dict)\n
+return movement\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>_proxy_roles</string> </key>
+            <value>
+              <tuple>
+                <string>Manager</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Resource_getPriceCalculationDefaultContext</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>