tools (xml_tools): handle required field in dataDict2dataForm:

rel 372

sat/tools/xml_tools.py

@@ -259,6 +259,7 @@ def dataDict2dataForm(data_dict):
             - "xhtml" is used for "xml" fields with child in the C.NS_XHTML namespace
             - "options" are list of dict with optional "label" and mandatory "value"
               following suitable attributes from data_form.Option
+            - "required" is the same as data_form.Field.required
     """
     # TODO: describe format
     fields = []
@@ -269,6 +270,7 @@ def dataDict2dataForm(data_dict):
             "var": field_data["name"],
             "label": field_data.get('label'),
             "value": field_data.get("value"),
+            "required": field_data.get("required")
         }
         if field_type == "xhtml":
             kwargs.update({