Migrate to python 3

purchase.py

@@ -6,10 +6,9 @@ from trytond.pyson import If, Bool, Eval
 
 __all__ = ['ProductSupplier', 'PurchaseRequest', 'CreatePurchase',
     'PurchaseLine']
-__metaclass__ = PoolMeta
 
 
-class ProductSupplier:
+class ProductSupplier(metaclass=PoolMeta):
     __name__ = 'purchase.product_supplier'
     purchase_uom_digits = fields.Function(
         fields.Integer('Purchase UOM Digits'),
@@ -25,7 +24,7 @@ class ProductSupplier:
         return 2
 
 
-class PurchaseRequest:
+class PurchaseRequest(metaclass=PoolMeta):
     __name__ = 'purchase.request'
     uom_digits = fields.Function(fields.Integer('UOM Digits'),
         'on_change_with_uom_digits')
@@ -76,7 +75,7 @@ class PurchaseRequest:
         return [('id', 'in', query)]
 
 
-class CreatePurchase:
+class CreatePurchase(metaclass=PoolMeta):
     __name__ = 'purchase.request.create_purchase'
 
     @classmethod
@@ -88,7 +87,7 @@ class CreatePurchase:
         return line
 
 
-class PurchaseLine:
+class PurchaseLine(metaclass=PoolMeta):
     __name__ = 'purchase.line'
 
     minimum_quantity = fields.Function(fields.Float('Minimum Quantity',

setup.py

@@ -4,7 +4,7 @@
 from setuptools import setup
 import re
 import os
-import ConfigParser
+import configparser
 
 MODULE = 'stock_supply_minimum'
 PREFIX = 'nantic'
@@ -14,7 +14,7 @@ MODULE2PREFIX = {}
 def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname)).read()
 
-config = ConfigParser.ConfigParser()
+config = configparser.ConfigParser()
 config.readfp(open('tryton.cfg'))
 info = dict(config.items('tryton'))
 for key in ('depends', 'extras_depend', 'xml'):