Use MatchMixin to get product bom

modules/production/bom.py

@@ -243,9 +243,10 @@ class BOMTree(ModelView):
 
         result = []
         if bom is None:
-            if not product.boms:
+            pbom = product.get_bom()
+            if pbom is None:
                 return result
-            bom = product.boms[0].bom
+            bom = pbom.bom
 
         factor = bom.compute_factor(product, quantity, unit)
         for input_ in bom.inputs:
@@ -342,8 +343,10 @@ class OpenBOMTree(Wizard):
         defaults['product'] = product.id
         if getattr(self.start, 'bom', None):
             defaults['bom'] = self.start.bom.id
-        elif product.boms:
-            defaults['bom'] = product.boms[0].id
+        else:
+            bom = product.get_bom()
+            if bom:
+                defaults['bom'] = bom.id
         defaults['quantity'] = getattr(self.start, 'quantity', None)
         return defaults
 

modules/production/product.py

@@ -76,8 +76,15 @@ class Product(metaclass=PoolMeta):
         default.setdefault('production_lead_times', None)
         return super(Product, cls).copy(products, default=default)
 
+    def get_bom(self, pattern=None):
+        if pattern is None:
+            pattern = {}
+        for bom in self.boms:
+            if bom.match(pattern):
+                return bom
 
-class ProductBom(sequence_ordered(), ModelSQL, ModelView):
+
+class ProductBom(sequence_ordered(), MatchMixin, ModelSQL, ModelView):
     'Product - BOM'
     __name__ = 'product.product-production.bom'
 

modules/production_routing/production.py

@@ -36,9 +36,10 @@ class Production(metaclass=PoolMeta):
     @classmethod
     def compute_request(
             cls, product, warehouse, quantity, date, company,
-            order_point=None):
+            order_point=None, bom_pattern=None):
         production = super(Production, cls).compute_request(
             product, warehouse, quantity, date, company,
-            order_point=order_point)
-        production.routing = product.boms[0].routing if product.boms else None
+            order_point=order_point, bom_pattern=bom_pattern)
+        if bom := product.get_bom(bom_pattern):
+            production.routing = bom.routing
         return production

modules/sale_supply_production/sale.py

@@ -66,7 +66,7 @@ class Line(metaclass=PoolMeta):
         default.setdefault('productions', None)
         return super().copy(lines, default=default)
 
-    def get_production(self, product_quantities):
+    def get_production(self, product_quantities, bom_pattern=None):
         "Return production for the sale line"
         pool = Pool()
         Production = pool.get('production')
@@ -99,13 +99,14 @@ class Line(metaclass=PoolMeta):
             date = today
         else:
             date -= dt.timedelta(1)
+        pbom = product.get_bom(bom_pattern)
         return Production(
             planned_date=date,
             company=self.sale.company,
             warehouse=self.warehouse,
             location=self.warehouse.production_location,
             product=product,
-            bom=product.boms[0].bom if product.boms else None,
+            bom=pbom.bom if pbom else None,
             unit=self.unit,
             quantity=quantity,
             state='request',

modules/stock_supply_production/production.py

@@ -151,7 +151,7 @@ class Production(metaclass=PoolMeta):
     @classmethod
     def compute_request(
             cls, product, warehouse, quantity, date, company,
-            order_point=None):
+            order_point=None, bom_pattern=None):
         """
         Return the value of the production request.
         """
@@ -169,13 +169,14 @@ class Production(metaclass=PoolMeta):
             origin = str(order_point)
         else:
             origin = 'stock.order_point,-1'
+        pbom = product.get_bom(bom_pattern)
         return cls(
             planned_date=date,
             company=company,
             warehouse=warehouse,
             location=warehouse.production_location,
             product=product,
-            bom=product.boms[0].bom if product.boms else None,
+            bom=pbom.bom if pbom else None,
             unit=unit,
             quantity=quantity,
             state='request',