Fix issues.

aeat_mapping.py

@@ -38,7 +38,7 @@ class BaseTrytonInvoiceMapper(Model):
     def counterpart_nif(self, invoice):
         nif = ''
         if invoice.party.tax_identifier:
-            nif = invoice.party.tax_identifier
+            nif = invoice.party.tax_identifier.code
         elif invoice.party.identifiers:
             nif = invoice.party.identifiers[0].code
         if nif.startswith('ES'):

invoice.py

@@ -160,15 +160,11 @@ class Invoice:
         return res
 
     def _set_sii_keys(self):
-        tax = None
-        for t in self.taxes:
-            if t.tax.tax_used:
-                tax = t.tax
-                break
+        tax = self.taxes and self.taxes[0]
         if not tax:
             return
         for field in _SII_INVOICE_KEYS:
-            setattr(self, field, getattr(tax, field))
+            setattr(self, field, getattr(tax.tax, field))
 
     @fields.depends(*_SII_INVOICE_KEYS)
     def _on_change_lines_taxes(self):

party.py

@@ -29,4 +29,4 @@ class Party:
                     return identifier.code
                 return identifier.code[2:]
             elif name == 'sii_vat_country':
-                return identifier[:2]
+                return identifier.code[:2]

sii.xml

@@ -362,6 +362,7 @@ this repository contains the full copyright notices and license terms. -->
             <field name="sii_received_key"></field>
             <field name="sii_subjected_key"></field>
         </record>
+<!--
         <record model="account.tax.template" id="account_es.iva_ISP_compras_bi"/>
         <record model="account.tax.template" id="account_es.iva_ISP_compras_bi_1">
             <field name="sii_book_key">R</field>
@@ -372,7 +373,7 @@ this repository contains the full copyright notices and license terms. -->
             <field name="sii_book_key"></field>
             <field name="sii_received_key"></field>
             <field name="sii_subjected_key"></field>
-        </record>
+        </record>-->
         <record model="account.tax.template" id="account_es.iva_rep_no_sujeto">
             <field name="sii_book_key">E</field>
             <field name="sii_issued_key">01</field>

tryton.cfg

@@ -3,8 +3,9 @@ version=4.2.0
 depends:
   account_invoice
   account_invoice_company_currency
-  account_es
+  
 extras_depend:
+  account_es
   account_es_pyme
   sale
   purchase