Explain the reason for evtl. tax mismatch.

README.rst

@@ -15,6 +15,10 @@ Requires
 Changes
 =======
 
+*7.0.4 - 29.01.2025*
+
+- add: Round unit_price + quantity to match the decimal places of the fields.
+
 *7.0.3 - 27.01.2025*
 
 - filter product-categories in configuration

document.py

@@ -20,6 +20,7 @@ from trytond.i18n import gettext
 from trytond.model import fields
 from trytond.pyson import Eval
 from trytond.protocols.jsonrpc import JSONEncoder
+from trytond.modules.product import round_price
 
 
 xml_types = [
@@ -100,12 +101,15 @@ class Incoming(metaclass=PoolMeta):
             UserError: if calculated values dont match
                 with xml-values
         """
+        pool = Pool()
+        Configuration = pool.get('account.configuration.tax_rounding')
+        configuration = Configuration(1)
+
         totals = self.parsed_data.get('total', None)
         if not totals:
             raise UserError(gettext(
                 'msg_convert_error.msg_convert_error',
                 msg='no totals-section in xml-data'))
-
         for xfield, inv_field in [
                 ('taxbase', 'untaxed_amount'),
                 ('taxtotal', 'tax_amount'),
@@ -114,15 +118,25 @@ class Incoming(metaclass=PoolMeta):
             inv_val = getattr(invoice, inv_field)
 
             if xml_val != inv_val:
-                raise UserError(gettext(
+                rounding = configuration.tax_rounding
-                    'document_incoming_invoice_xml.msg_convert_error',
+                field_name = 'tax_rounding'
+                selection_values = configuration.fields_get(
+                    [field_name])[field_name]['selection']
+                rounding_cfg = [
+                    i[1] for i in selection_values if i[0] == rounding][0]
                 msg = ' '.join([
                         inv_field + ' mismatch',
                         'from-xml=' + Report.format_currency(
                             xml_val, None, invoice.currency),
                         'calculated=' + Report.format_currency(
                             inv_val, None, invoice.currency)
-                    ])))
+                        ])
+                msg += '\n\n' + gettext(
+                    'document_incoming_invoice_xml.msg_tax_amount_mismatch',
+                    rounding=rounding_cfg)
+                raise UserError(gettext(
+                    'document_incoming_invoice_xml.msg_convert_error',
+                    msg=msg))
 
     def _readxml_xpath(self, tags):
         """ generate xpath
@@ -719,12 +733,15 @@ class Incoming(metaclass=PoolMeta):
             if units:
                 xml_uom = units[0]
 
+        unitprice = line_data.get('unit_net_price', {}).pop('amount', None)
         line = Line(
             invoice=invoice,
             type='line',
             unit=xml_uom,
-            quantity=line_data.get('quantity', {}).pop('billed', None),
+            quantity=xml_uom.round(
-            unit_price=line_data.get('unit_net_price', {}).pop('amount', None))
+                line_data.get('quantity', {}).pop('billed', None)),
+            unit_price=round_price(unitprice)
+            if unitprice is not None else Decimal('0.0'))
         line_no = line_data.pop('line_no', None)
 
         # description
@@ -963,9 +980,9 @@ class Incoming(metaclass=PoolMeta):
         result['quantity'] = self._readxml_read_listdata(
             xmldata, xpath_line, [
                 'ram:SpecifiedLineTradeDelivery'], [
-                ('ram:BilledQuantity', 'billed', Decimal),
+                ('ram:BilledQuantity', 'billed', float),
-                ('ram:ChargeFreeQuantity', 'chargefree', Decimal),
+                ('ram:ChargeFreeQuantity', 'chargefree', float),
-                ('ram:PackageQuantity', 'package', Decimal),
+                ('ram:PackageQuantity', 'package', float),
                 ])[0]
         result['quantity']['unit_code'] = self._readxml_getattrib(
             xmldata, xpath_quantity + ['ram:BilledQuantity'], 'unitCode')

locale/de.po

@@ -46,6 +46,9 @@ msgctxt "model:ir.message,text:msg_unused_linevalues"
 msgid "The following data was not used to generate the invoice line:"
 msgstr "Die folgenden Daten wurden für die Erzeugung der Rechnungszeile nicht verwendet:"
 
+msgctxt "model:ir.message,text:msg_tax_amount_mismatch"
+msgid "You have configured tax rounding method '%(rounding)s' in the account configuration. Maybe try with a different method"
+msgstr "In Rechnungswesen/Einstellungen ist die Steuerrundungsmethode '%(rounding)s' eingetragen. Versuchen Sie es u.U. mit einer anderen Methode'
 
 ###################################
 # document.incoming.configuration #

message.xml

@@ -35,6 +35,9 @@
         <record model="ir.message" id="msg_unused_linevalues">
             <field name="text">The following data was not used to generate the invoice line:</field>
         </record>
+        <record model="ir.message" id="msg_tax_amount_mismatch">
+            <field name="text">You have configured tax rounding method '%(rounding)s' in the account configuration. Maybe try with a different method</field>
+        </record>
 
     </data>
 </tryton>

tests/parsed_data.py

@@ -23,7 +23,7 @@ parsed_data_ci_invoice = {
             'total': {'amount': Decimal('1350.00')},
             'line_no': '1',
             'quantity': {
-                'billed': Decimal('1.0'),
+                'billed': 1.0,
                 'unit_code': 'KGM'},
             'unit_net_price': {'amount': Decimal('1350.00')},
         }, {
@@ -34,7 +34,7 @@ parsed_data_ci_invoice = {
             'total': {'amount': Decimal('1200.00')},
             'line_no': '2',
             'quantity': {
-                'billed': Decimal('1.5'),
+                'billed': 1.5,
                 'unit_code': 'KGM'},
             'unit_net_price': {'amount': Decimal('800.00')},
         }, {
@@ -42,7 +42,7 @@ parsed_data_ci_invoice = {
             'total': {'amount': Decimal('300.00')},
             'line_no': '3',
             'quantity': {
-                'billed': Decimal('2.0'),
+                'billed': 2.0,
                 'unit_code': 'MTR'},
             'unit_net_price': {'amount': Decimal('150.00')}}],
     'note_list': [{
@@ -101,7 +101,7 @@ parsed_data_facturx_en16931 = {
             'description': 'Description of Product 1',
             'unit_net_price': {'amount': Decimal('1350.00')},
             'quantity': {
-                'billed': Decimal('1.0'), 'unit_code': 'KGM'},
+                'billed': 1.0, 'unit_code': 'KGM'},
             'taxes': [{
                 'type': 'VAT',
                 'category_code': 'S',
@@ -127,7 +127,7 @@ parsed_data_facturx_en16931 = {
                 'amount': Decimal('950.00'),
                 'basequantity': Decimal('1.0')},
             'quantity': {
-                'billed': Decimal('1.5'),
+                'billed': 1.5,
                 'unit_code': 'KGM'},
             'taxes': [{
                 'type': 'VAT',
@@ -141,7 +141,7 @@ parsed_data_facturx_en16931 = {
             'description': 'Description of Product 3',
             'unit_net_price': {'amount': Decimal('150.00')},
             'quantity': {
-                'billed': Decimal('2.0'),
+                'billed': 2.0,
                 'unit_code': 'MTR'},
             'taxes': [{
                 'type': 'VAT',
@@ -213,7 +213,7 @@ parsed_data_facturx_basic = {
             'line_no': '1',
             'name': 'Name of Product 1',
             'unit_net_price': {'amount': Decimal('1350.00')},
-            'quantity': {'billed': Decimal('1.0'), 'unit_code': 'KGM'},
+            'quantity': {'billed': 1.0, 'unit_code': 'KGM'},
             'taxes': [{
                 'type': 'VAT',
                 'category_code': 'S',
@@ -231,7 +231,7 @@ parsed_data_facturx_basic = {
                 'amount': Decimal('950.00'),
                 'basequantity': Decimal('1.0')},
             'quantity': {
-                'billed': Decimal('1.5'),
+                'billed': 1.5,
                 'unit_code': 'KGM'},
             'taxes': [{
                 'type': 'VAT',
@@ -243,7 +243,7 @@ parsed_data_facturx_basic = {
             'name': 'Name of Product 3',
             'unit_net_price': {'amount': Decimal('150.00')},
             'quantity': {
-                'billed': Decimal('2.0'),
+                'billed': 2.0,
                 'unit_code': 'MTR'},
             'taxes': [{
                 'type': 'VAT',
@@ -328,7 +328,7 @@ parsed_data_facturx_extended = {
             'name': 'Name of Product 1',
             'description': 'Description of Product 1',
             'unit_net_price': {'amount': Decimal('1350.00')},
-            'quantity': {'billed': Decimal('1.0'), 'unit_code': 'KGM'},
+            'quantity': {'billed': 1.0, 'unit_code': 'KGM'},
             'taxes': [{
                 'type': 'VAT',
                 'category_code': 'S',
@@ -379,7 +379,7 @@ parsed_data_facturx_extended = {
                 'amount': Decimal('950.00'),
                 'basequantity': Decimal('1.0')},
             'quantity': {
-                'billed': Decimal('1.5'),
+                'billed': 1.5,
                 'unit_code': 'KGM',
                 'package': Decimal('1.5')},
             'taxes': [{
@@ -392,7 +392,7 @@ parsed_data_facturx_extended = {
             'name': 'Name of Product 3',
             'description': 'Description of Product 3',
             'unit_net_price': {'amount': Decimal('150.00')},
-            'quantity': {'billed': Decimal('2.0'), 'unit_code': 'MTR'},
+            'quantity': {'billed': 2.0, 'unit_code': 'MTR'},
             'taxes': [{
                 'type': 'VAT',
                 'category_code': 'S',

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=7.0.3
+version=7.0.4
 depends:
     document_incoming_invoice
     edocument_unece