New interface for Function/Property fields

statement.py

@@ -18,8 +18,8 @@ class Statement(ModelWorkflow, ModelSQL, ModelView):
                 'readonly': Or(Not(Equal(Eval('state'), 'draft')),
                     Bool(Eval('lines'))),
             }, on_change=['journal'], select=1)
-    currency_digits = fields.Function('get_currency_digits', type='integer',
-            string='Currency Digits', on_change_with=['journal'])
+    currency_digits = fields.Function(fields.Integer('Currency Digits',
+        on_change_with=['journal']), 'get_currency_digits')
     date = fields.Date('Date', required=True, states=_STATES, select=1)
     start_balance = fields.Numeric('Start Balance',
             digits=(16, Eval('currency_digits', 2)),
@@ -38,8 +38,8 @@ class Statement(ModelWorkflow, ModelSQL, ModelView):
         ('cancel', 'Canceled'),
         ('posted', 'Posted'),
         ], 'State', readonly=True, select=1)
-    move_lines = fields.Function('get_move_lines', type='one2many',
-            relation='account.move.line', string='Move Lines')
+    move_lines = fields.Function(fields.One2Many('account.move.line',
+        'Move Lines'), 'get_move_lines')
 
     def __init__(self):
         super(Statement, self).__init__()
@@ -94,13 +94,13 @@ class Statement(ModelWorkflow, ModelSQL, ModelView):
             return journal.currency.digits
         return 2
 
-    def get_currency_digits(self, cursor, user, ids, name, arg, context=None):
+    def get_currency_digits(self, cursor, user, ids, name, context=None):
         res = {}
         for statement in self.browse(cursor, user, ids, context=context):
             res[statement.id] = statement.journal.currency.digits
         return res
 
-    def get_rec_name(self, cursor, user, ids, name, arg, context=None):
+    def get_rec_name(self, cursor, user, ids, name, context=None):
         lang_obj = self.pool.get('ir.lang')
 
         if context is None:
@@ -143,7 +143,7 @@ class Statement(ModelWorkflow, ModelSQL, ModelView):
             i += 1
         return args2
 
-    def get_move_lines(self, cursor, user, ids, name, args, context=None):
+    def get_move_lines(self, cursor, user, ids, name, context=None):
         '''
         Return the move lines that have been generated by the statements.
         '''