1 files changed, 95 insertions, 0 deletions
diff --git a/app/toscalib/templates/property_item.py b/app/toscalib/templates/property_item.py
new file mode 100644
index 0000000..dc6aea7
--- /dev/null
+++ b/app/toscalib/templates/property_item.py
@@ -0,0 +1,95 @@
+#Author: Shu Shi
+#emaiL: shushi@research.att.com
+
+
+from toscalib.templates.constant import *
+import ast, logging
+
+class PropertyItem(object):
+    def __init__(self, definition):
+        self.name = definition.name
+        self.type_obj = definition.type_obj
+        self.filled = False
+        self.definition = definition
+        self.value = None
+        self.required = definition.required
+        self.sub_pointer = None
+        self.used = True
+        self.parent_node = None
+    
+    def _assign(self, value):
+#         from toscalib.templates.capability_item import CapabilityItem
+        from toscalib.templates.value import Value
+        if value is None:
+            return False
+#         elif isinstance(value, CapabilityItem):
+#             self.value = value
+#             self.filled = True
+        else:
+            self.value = Value(self.type_obj, value)
+#             formatted_value = self.type._format_value(value) 
+            if self.value is None:
+                logging.warning( 'Value can not be assigned: validation failed!')
+            else:
+                self.filled = True
+        
+#         if self.sub_pointer is not None:
+#             self.sub_pointer._assign(value)
+        
+        return True
+
+    def _direct_assign(self, value):
+        self.value = value
+        if value is not None:
+            self.filled = True
+            
+    def _update_prefix(self, prefix):
+        self.name = prefix + self.name
+        
+    def _update_parent_node(self, parent):
+        self.parent_node = parent
+
+    def _propagate_substitution_value(self):
+        if self.sub_pointer is None:
+            return True
+        if self.value is not None:
+#            self.sub_pointer._direct_assign(self.value)
+            self.sub_pointer._assign(self.value._get_value()[0])
+            
+        return True
+    
+    def _propagate_attr_substitution_value(self):
+        if self.sub_pointer is None or hasattr(self.sub_pointer, 'value') is False:
+            return True
+        self._direct_assign(self.sub_pointer.value)        
+        return True   
+     
+    def _prepare_input_type_output(self, tags):
+        out_details= {}
+        out_details[YMO_PROP_TYPE] = self.type_obj.name
+        if hasattr(self.definition, 'default') is True and self.definition.default is not None:
+            if 'w_default' in tags:
+                return {}
+            out_details[YMO_PROP_DEFAULT] = self.definition.default
+            
+        out_val = {}
+        out_val[self.name] =out_details
+        return out_val
+
+    def _prepare_output_type_output(self):
+        out_val = {}
+        val_body = self.value._get_value()[0]
+        out_val[self.name] =dict(value=val_body)
+        return out_val
+    
+    def _prepare_heat_output(self):
+        type_out = {}
+        type_out[self.name] =dict(type=self.type.name)
+        val_out = {}
+        if self.filled:
+            val_out[self.name] = self.value
+        else:
+            val_out[self.name] = None
+        
+        return type_out, val_out
+