Permitir terceros en cuentas de Ingresos y Gastos

__init__.py

@@ -17,7 +17,9 @@ def register():
         country.Subdivision,
         rut.TaxLevelCode,
         configuration.Configuration,
+        account.Account,
         account.Move,
+        account.Line,
         module='account_co_co', type_='model')
     Pool.register(
         module='account_co_co', type_='wizard')

account.py

@@ -1,6 +1,17 @@
 from trytond.pool import  Pool, PoolMeta
 
-__all__ = ['Move']
+__all__ = ['Account','Move','Line']
+
+
+class Account(metaclass=PoolMeta):
+    __name__ = 'account.account'
+
+    @classmethod
+    def __setup__(cls):
+        super(Account, cls).__setup__()
+        cls.party_required.domain = [()]
+        cls.party_required.states = {}
+
 
 class Move(metaclass=PoolMeta):
     __name__ = 'account.move'
@@ -27,3 +38,24 @@ class Move(metaclass=PoolMeta):
         moves = super(Move, cls).create(vlist)
         cls.validate_move(moves)
         return moves
+
+    
+class Line(metaclass=PoolMeta):
+      __name__ = 'account.move.line'
+      @classmethod
+      def __setup__(cls):
+          super(Line, cls).__setup__()
+          cls.party.states = {}
+
+      def check_account(self):
+          if not self.account.type or self.account.closed:
+              raise AccessError(
+                      gettext('account.msg_line_closed_account',
+                          account=self.account.rec_name))
+          if self.account.party_required:
+              if bool(self.party) != bool(self.account.party_required):
+                  error = 'party_set' if self.party else 'party_required'
+                  raise AccessError(
+                        gettext('account.msg_line_%s' % error,
+                            account=self.account.rec_name,
+                            line=self.rec_name))