Allows insert a party in move lines despite the financial account has not the party requeried option checked

__init__.py

@@ -9,5 +9,6 @@ from .move import *
 def register():
     Pool.register(
         Account,
+        Line,
         Reconciliation,
         module='account_reconcile_different_party', type_='model')

doc/es/index.rst

@@ -7,3 +7,6 @@ tengan un tercero distinto.
 
 Añade un campo en las cuentas contables que si se marca, permite conciliar los
 apuntes contables de esa cuenta aunque tengan un tercero distinto.
+
+También permite introducir un tercero en los apuntes aunque la cuenta contable
+no tenga la casilla tercero requerido marcada.

doc/index.rst

@@ -3,3 +3,9 @@ Account Reconcile Different Party
 
 This module allows move lines of specific accounts to be reconciled despite
 having different party.
+
+Adds a field in the financial accounts that if checked allows reconcile move
+lines with this account despite having a different party.
+
+Also allows insert a party in move lines despite the financial account has
+not the party requeried option checked.

move.py

@@ -3,10 +3,35 @@
 # the full copyright notices and license terms.
 from trytond.pool import PoolMeta
 
-__all__ = ['Reconciliation']
+__all__ = ['Line', 'Reconciliation']
 __metaclass__ = PoolMeta
 
 
+class Line():
+    __name__ = 'account.move.line'
+
+    @classmethod
+    def __setup__(cls):
+        super(Line, cls).__setup__()
+        if cls.party.states.get('invisible'):
+            cls.party.states.pop('invisible')
+
+    def on_change_account(self):
+        changes = super(Line, self).on_change_account()
+        # Not remove party if account is not party required
+        if changes.get('party'):
+            changes.pop('party')
+        return changes
+
+    def check_account(self):
+        try:
+            super(Line, self).check_account()
+        except:
+            # Not raise if there is a party and account is not party required
+            if self.account.party_required or not self.party:
+                raise
+
+
 class Reconciliation():
     __name__ = 'account.move.reconciliation'