Use the intrastat country of production warehouse for production location

Closes #13524

modules/account_stock_eu/__init__.py

@@ -29,6 +29,10 @@ def register():
         stock.ShipmentOutReturn,
         stock.ShipmentInternal,
         module='account_stock_eu', type_='model')
+    Pool.register(
+        stock.Move_Production,
+        module='account_stock_eu', type_='model',
+        depends=['production'])
     Pool.register(
         account_stock_eu.IntrastatDeclarationLine_Incoterm,
         stock.Move_Incoterm,

modules/account_stock_eu/setup.py

@@ -51,6 +51,7 @@ tests_require = [
     get_require_version('proteus'),
     get_require_version('trytond_carrier'),
     get_require_version('trytond_incoterm'),
+    get_require_version('trytond_production'),
     get_require_version('trytond_purchase_shipment_cost'),
     get_require_version('trytond_stock_consignment'),
     get_require_version('trytond_stock_package_shipping'),

modules/account_stock_eu/stock.py

@@ -479,6 +479,30 @@ class Move(metaclass=PoolMeta):
             return self.shipment.customer
 
 
+class Move_Production(metaclass=PoolMeta):
+    __name__ = 'stock.move'
+
+    @property
+    @fields.depends('from_location', 'production')
+    def intrastat_from_country(self):
+        country = super().intrastat_from_country
+        if self.from_location:
+            if (self.from_location.type == 'production'
+                    and self.production and self.production.warehouse.address):
+                country = self.production.warehouse.address.country
+        return country
+
+    @property
+    @fields.depends('to_location', 'production')
+    def intrastat_to_country(self):
+        country = super().intrastat_to_country
+        if self.to_location:
+            if (self.to_location.type == 'production'
+                    and self.production and self.production.warehouse.address):
+                country = self.production.warehouse.address.country
+        return country
+
+
 class Move_Incoterm(metaclass=PoolMeta):
     __name__ = 'stock.move'
 

modules/account_stock_eu/tests/test_module.py

@@ -6,7 +6,7 @@ from trytond.tests.test_tryton import ModuleTestCase
 class AccountStockEuTestCase(ModuleTestCase):
     "Test Account Stock Eu module"
     module = 'account_stock_eu'
-    extras = ['carrier', 'incoterm', 'stock_consignment']
+    extras = ['carrier', 'incoterm', 'production', 'stock_consignment']
 
 
 del ModuleTestCase

modules/account_stock_eu/tryton.cfg

@@ -16,6 +16,7 @@ extras_depend:
     carrier
     carrier_carriage
     incoterm
+    production
     purchase
     sale
     sale_supply_drop_shipment