slapos_slap_tool: cast Dict to XML string available as a python script

master/bt5/slapos_slap_tool/ExtensionTemplateItem/portal_components/extension.erp5.SlapOSSlapTool.py

+from lxml import etree
+
 from Products.ERP5Type.UnrestrictedMethod import UnrestrictedMethod
 from AccessControl.SecurityManagement import getSecurityManager, \
     setSecurityManager, newSecurityManager
@@ -54,3 +56,12 @@ def reindexPartition(item):
 def Instance_reindexComputePartition(state_change):
   item = state_change['object']
   reindexPartition(item)
+
+def castDictToXMLString(dict_kw):
+  instance = etree.Element('instance')
+  for _id, _value in dict_kw.iteritems():
+    # cast everything to string
+    etree.SubElement(instance, "parameter",
+                     attrib={'id':_id}).text = str(_value)
+  return etree.tostring(instance, pretty_print=True,
+                                  xml_declaration=True, encoding='utf-8')

master/bt5/slapos_slap_tool/SkinTemplateItem/portal_skins/slapos_slap_tool/Base_castDictToXMLString.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ExternalMethod" module="Products.ExternalMethod.ExternalMethod"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_function</string> </key>
+            <value> <string>castDictToXMLString</string> </value>
+        </item>
+        <item>
+            <key> <string>_module</string> </key>
+            <value> <string>SlapOSSlapTool</string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Base_castDictToXMLString</string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string></string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>