Add field access on referential document

issue10269
review332861003

party.py

@@ -2,6 +2,7 @@
 # this repository contains the full copyright notices and license terms.
 from trytond.model import fields
 from trytond.pool import PoolMeta
+from trytond.transaction import Transaction
 
 
 class Party(metaclass=PoolMeta):
@@ -11,3 +12,16 @@ class Party(metaclass=PoolMeta):
         'account.tax.group.cash', 'party', 'tax_group',
         "Supplier Tax Group On Cash Basis",
         help="The tax group reported on cash basis for this supplier.")
+
+    @classmethod
+    def copy(cls, parties, default=None):
+        context = Transaction().context
+        default = default.copy() if default else {}
+        if context.get('_check_access'):
+            default.setdefault(
+                'supplier_tax_group_on_cash_basis',
+                cls.default_get(
+                    ['supplier_tax_group_on_cash_basis'],
+                    with_rec_name=False).get(
+                    'supplier_tax_group_on_cash_basis'))
+        return super().copy(parties, default=default)

party.xml

@@ -8,5 +8,17 @@ this repository contains the full copyright notices and license terms. -->
             <field name="inherit" ref="party.party_view_form"/>
             <field name="name">party_form</field>
         </record>
+
+        <record model="ir.model.field.access" id="access_party_supplier_tax_group_on_cash_basis">
+            <field name="field" search="[('model.model', '=', 'party.party'), ('name', '=', 'supplier_tax_group_on_cash_basis')]"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="False"/>
+        </record>
+        <record model="ir.model.field.access" id="access_party_supplier_tax_group_on_cash_basis_account_party">
+            <field name="field" search="[('model.model', '=', 'party.party'), ('name', '=', 'supplier_tax_group_on_cash_basis')]"/>
+            <field name="group" ref="account.group_account_party"/>
+            <field name="perm_read" eval="True"/>
+            <field name="perm_write" eval="True"/>
+        </record>
     </data>
 </tryton>