new version

purchase.py

@@ -12,7 +12,7 @@ from trytond.config import config as config_
 from trytond.transaction import Transaction
 
 __all__ = ['PurchaseLine', 'PurchaseDiscountReport', 'Configuration',
-            'PurchaseDiscountWizardStart', 'PurchaseDiscountWizard']
+                'PurchaseDiscountWizardStart', 'PurchaseDiscountWizard']
 
 STATES = {
     'invisible': Eval('type') != 'line',
@@ -22,14 +22,12 @@ DIGITS = config_.getint('product', 'price_decimal', default=4)
 DISCOUNT_DIGITS = 6
 
 
-class Configuration:
-    __metaclass__ = PoolMeta
+class Configuration(metaclass=PoolMeta):
     __name__ = 'purchase.configuration'
     description = fields.Char('Default Description')
 
 
-class Purchase:
-    __metaclass__ = PoolMeta
+class Purchase(metaclass=PoolMeta):
     __name__ = 'purchase.purchase'
 
     @staticmethod
@@ -39,8 +37,7 @@ class Purchase:
             return config.description
 
 
-class PurchaseLine:
-    __metaclass__ = PoolMeta
+class PurchaseLine(metaclass=PoolMeta):
     __name__ = 'purchase.line'
 
     gross_unit_price = fields.Numeric('Gross Price', digits=(16, DIGITS),
@@ -51,7 +48,7 @@ class PurchaseLine:
     stock_quantity = fields.Function(fields.Float('Stock Quantity',
         digits=(16, 2), depends=['product'], states=STATES),
         'on_change_with_stock_quantity')
-    product_description = fields.Text('Application')
+    # product_description = fields.Text('Application')
 
     @classmethod
     def __setup__(cls):
@@ -99,13 +96,13 @@ class PurchaseLine:
     def on_change_discount(self):
         return self.update_prices()
 
-    @fields.depends('unit_price', 'discount', 'stock_quantity', 'product_description')
+    @fields.depends('unit_price', 'discount', 'stock_quantity')
     def on_change_product(self):
         super(PurchaseLine, self).on_change_product()
         self.gross_unit_price = self.unit_price
         self.discount = Decimal(0)
-        if self.product and self.product.description:
-            self.product_description = self.product.description
+        # if self.product and self.product.description:
+        #     self.product_description = self.product.description
         if self.unit_price:
             self.update_prices()
 
@@ -141,9 +138,6 @@ class PurchaseLine:
         for line in lines:
             line.gross_unit_price = self.gross_unit_price
             line.discount = self.discount
-        # if self.product_description and self.product:
-        #     self.product.description = self.product_description
-        #     self.product.save()
         return lines
 
     @classmethod

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=5.0.0
+version=5.0.1
 depends:
     product
     purchase

view/purchase_line_form.xml

@@ -13,7 +13,7 @@ copyright notices and license terms. -->
         </group>
         <label name="stock_quantity"/>
         <field name="stock_quantity"/>
-        <separator name="product_description" colspan="4"/>
-        <field name="product_description" colspan="4"/>
+        <!-- <separator name="product_description" colspan="4"/>
+        <field name="product_description" colspan="4"/> -->
     </xpath>
 </data>

view/purchase_line_tree.xml

@@ -8,6 +8,6 @@ copyright notices and license terms. -->
             <suffix name="discount" string="%"/>
         </field>
         <!-- <field name="stock_quantity"/>-->
-        <field name="product_description"/>
+        <!-- <field name="product_description"/> -->
     </xpath>
 </data>