*

base_bank_from_iban/__manifest__.py

@@ -12,5 +12,6 @@
     "depends": ["base_iban"],
     "development_status": "Mature",
     "data": ["views/res_bank_view.xml"],
+    "external_dependencies": {"python": ["schwifty"]},
     "installable": True,
 }

base_bank_from_iban/models/res_partner_bank.py

@@ -1,6 +1,10 @@
 # Copyright 2017 Tecnativa - Carlos Dauden <carlos.dauden@tecnativa.com>
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl-3).
 
+import logging
+
+import schwifty
+
 from odoo import api, models
 
 from odoo.addons.base_iban.models.res_partner_bank import (
@@ -9,10 +13,51 @@
     pretty_iban,
 )
 
+_logger = logging.getLogger(__name__)
+
 
 class ResPartnerBank(models.Model):
     _inherit = "res.partner.bank"
 
+    @api.model_create_multi
+    def create(self, vals_list):
+        vals_list = [self._add_bank_vals(vals) for vals in vals_list]
+        return super().create(vals_list)
+
+    def write(self, vals):
+        self._add_bank_vals(vals)
+        return super().write(vals)
+
+    def _add_bank_vals(self, vals):
+        if vals.get("acc_number") and not vals.get("bank_id"):
+            try:
+                bank = self._get_bank_from_iban(vals["acc_number"])
+                vals["bank_id"] = bank.id
+            except Exception:
+                _logger.info("Could not find bank from IBAN", exc_info=True)
+        return vals
+
+    @api.model
+    def _get_bank_from_iban(self, acc_number):
+        iban = schwifty.IBAN(acc_number)
+        country_code = iban.country_code.lower()
+        country = self.env.ref("base.%s" % country_code, raise_if_not_found=False)
+        vals = {
+            "name": iban.bank["name"],
+            "bic": iban.bank["bic"],
+            "code": iban.bank["bank_code"],
+            "country": country.id,
+        }
+        domain = [("code", "=", iban.bank["bank_code"])]
+        bank = self.env["res.bank"].search(domain)
+        if bank and len(bank) == 1:
+            for field in vals:
+                if not bank[field]:
+                    bank[field] = vals[field]
+        else:
+            bank = self.env["res.bank"].create(vals)
+        return bank
+
     @api.onchange("acc_number", "acc_type")
     def _onchange_acc_number_base_bank_from_iban(self):
         if self.acc_type != "iban":

requirements.txt

@@ -1,2 +1,3 @@
 # generated from manifests external_dependencies
 pycountry
+schwifty