[12.0][IMP] account_bank_statement_import_txt_xlsx:

* strip header names, same as Odoo does in fields if you enter
  names with initial or final spaces.
* Allow to select a default mapping per journal.

account_bank_statement_import_txt_xlsx/__manifest__.py

@@ -30,6 +30,7 @@
         "data/map_data.xml",
         "views/account_bank_statement_import_sheet_mapping.xml",
         "views/account_bank_statement_import.xml",
+        "views/account_journal_views.xml",
         "wizards/account_bank_statement_import_sheet_mapping_wizard.xml",
     ]
 }

account_bank_statement_import_txt_xlsx/models/account_bank_statement_import.py

@@ -10,9 +10,14 @@ _logger = logging.getLogger(__name__)
 class AccountBankStatementImport(models.TransientModel):
     _inherit = 'account.bank.statement.import'
 
+    def _get_default_mapping_id(self):
+        return self.env["account.journal"].browse(
+            self.env.context.get('journal_id')).default_sheet_mapping_id
+
     sheet_mapping_id = fields.Many2one(
         string='Sheet mapping',
         comodel_name='account.bank.statement.import.sheet.mapping',
+        default=_get_default_mapping_id,
     )
 
     @api.multi

account_bank_statement_import_txt_xlsx/models/account_bank_statement_import_sheet_parser.py

@@ -117,7 +117,7 @@ class AccountBankStatementImportSheetParser(models.TransientModel):
         if isinstance(csv_or_xlsx, tuple):
             header = [str(value) for value in csv_or_xlsx[1].row_values(0)]
         else:
-            header = list(next(csv_or_xlsx))
+            header = [value.strip() for value in next(csv_or_xlsx)]
         timestamp_column = header.index(mapping.timestamp_column)
         currency_column = header.index(mapping.currency_column) \
             if mapping.currency_column else None

account_bank_statement_import_txt_xlsx/models/account_journal.py

@@ -2,12 +2,16 @@
 # Copyright 2020 Brainbean Apps (https://brainbeanapps.com)
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
-from odoo import models
+from odoo import fields, models
 
 
 class AccountJournal(models.Model):
     _inherit = 'account.journal'
 
+    default_sheet_mapping_id = fields.Many2one(
+        comodel_name='account.bank.statement.import.sheet.mapping',
+    )
+
     def _get_bank_statements_available_import_formats(self):
         res = super()._get_bank_statements_available_import_formats()
         res.append('TXT/CSV/XSLX')

account_bank_statement_import_txt_xlsx/views/account_journal_views.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="view_account_journal_form_n43" model="ir.ui.view">
+        <field name="model">account.journal</field>
+        <field name="inherit_id" ref="account.view_account_journal_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//page[@name='advanced_settings']/group" position="inside">
+                <group string="Statement Import Map" attrs="{'invisible': [('type','!=','bank')]}">
+                    <field name="default_sheet_mapping_id"/>
+                </group>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>