add report equipment to equipment

equipment.py

@@ -110,7 +110,11 @@ class OpticalEquipment(DeactivableMixin, Workflow, ModelSQL, ModelView):
         return [Purchase.__name__]
 
 
-
+    @property
+    def origin_name(self):
+        if isinstance(self.origin, self.__class__):
+            return self.origin.invoice.rec_name
+        return self.origin.rec_name if self.origin else None
 
     @classmethod
     def get_origin(cls):
@@ -120,6 +124,7 @@ class OpticalEquipment(DeactivableMixin, Workflow, ModelSQL, ModelView):
 
         return [(None, '')] + [(m, get_name(m)) for m in models]
 
+    
     @classmethod
     def __setup__(cls):
         super(OpticalEquipment, cls).__setup__()

equipment.xml

@@ -152,5 +152,17 @@
 	    <field name="name">Equipment</field>
             <field name="sequence_type" ref="sequence_type_equipment"/>
         </record>
+	<record model="ir.action.report" id="report_equipment">
+            <field name="name">Equipment</field>
+            <field name="model">optical_equipment.equipment</field>
+            <field name="report_name">optical_equipment.equipment</field>
+            <field name="report">report/cv.fodt</field>
+            <field name="single" eval="True"/>
+        </record>
+	<record model="ir.action.keyword" id="report_equipment_keyword">
+            <field name="keyword">form_print</field>
+            <field name="model">optical_equipment.equipment,-1</field>
+            <field name="action" ref="report_equipment"/>
+        </record>
     </data>
 </tryton>

purchase.py

@@ -62,7 +62,8 @@ class Purchase(metaclass=PoolMeta):
                             serial=None if line.quantity > 1 else line.serial_equipment,
                             health_register=line.health_register,
                             software_version=line.product.software_version,
-                            maintenance_frequency="none")
+                            maintenance_frequency="none",
+                        )
                         equipment.save()
                 else:
                     continue