Add on_change_with_payment_type methods in account.move.line and account.move.compensation_move.start that doesn't exist

From changeset-3d185c0f089f

account.py

@@ -341,6 +341,18 @@ class Line(BankMixin, metaclass=PoolMeta):
         if self.payment_type and self.party:
             self._get_bank_account()
 
+    @fields.depends('party', 'debit', 'credit', 'move')
+    def on_change_with_payment_type(self, name=None):
+        if self.party:
+            if self.credit > 0 or self.debit < 0:
+                name = 'supplier_payment_type'
+            elif self.debit > 0 or self.credit < 0:
+                name = 'customer_payment_type'
+            payment_type = getattr(self.party, name)
+            if payment_type:
+                return payment_type.id
+        return None
+
     @classmethod
     def copy(cls, lines, default=None):
         if default is None:
@@ -533,6 +545,9 @@ class CompensationMoveStart(ModelView, BankMixin):
                     if party.account_payable else None)
         return defaults
 
+    def on_change_with_payment_type(self, name=None):
+        pass
+
 
 class CompensationMove(Wizard):
     'Create Compensation Move'

tests/scenario_compensation_move.rst

@@ -147,8 +147,8 @@ Create invoice::
     >>> invoice.bank_account = bank_account
     >>> invoice.save()
     >>> invoice.click('post')
-    >>> invoice.state
-    u'posted'
+    >>> invoice.state == 'posted'
+    True
     >>> invoice.amount_to_pay == Decimal(240)
     True
     >>> line1, line2, _, _ = invoice.move.lines
@@ -184,8 +184,8 @@ Create credit note::
     >>> credit_note.save()
     >>> Invoice.post([credit_note.id], config.context)
     >>> credit_note.reload()
-    >>> credit_note.state
-    u'posted'
+    >>> credit_note.state == 'posted'
+    True
     >>> credit_note.amount_to_pay == Decimal(-44)
     True
 
@@ -244,5 +244,5 @@ Create a move that pays the pending amount::
     >>> invoice.reload()
     >>> invoice.amount_to_pay
     Decimal('0.0')
-    >>> invoice.state
-    u'paid'
+    >>> invoice.state == 'paid'
+    True