Stuff

main.py

@@ -180,7 +180,7 @@ def format_cii_date(date_str):
 
 
 # ==========================================
-# GENERATOR A: XRECHNUNG (UBL FORMAT) - UNBERÜHRT
+# GENERATOR A: XRECHNUNG (UBL FORMAT)
 # ==========================================
 def generate_compliant_xrechnung(data):
     INVOICE_NS = "urn:oasis:names:specification:ubl:schema:xsd:Invoice-2"
@@ -338,7 +338,7 @@ def generate_compliant_xrechnung(data):
 
 
 # ==========================================
-# GENERATOR B: ZUGFeRD 2.4 (CII FORMAT UN/CEFACT) - NEU
+# GENERATOR B: ZUGFeRD 2.4 (CII FORMAT UN/CEFACT)
 # ==========================================
 def generate_compliant_zugferd_cii(data):
     RSM = "urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100"
@@ -351,12 +351,10 @@ def generate_compliant_zugferd_cii(data):
     
     root = ET.Element(f"{{{RSM}}}CrossIndustryInvoice")
     
-    # Context
     ex_doc_ctx = ET.SubElement(root, f"{{{RAM}}}ExchangedDocumentContext")
     guideline = ET.SubElement(ex_doc_ctx, f"{{{RAM}}}GuidelineSpecifiedDocumentContextParameter")
     ET.SubElement(guideline, f"{{{RAM}}}ID").text = "urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0"
     
-    # Header Document
     ex_doc = ET.SubElement(root, f"{{{RSM}}}ExchangedDocument")
     ET.SubElement(ex_doc, f"{{{RAM}}}ID").text = str(data["invoice_number"])
     ET.SubElement(ex_doc, f"{{{RAM}}}TypeCode").text = str(data.get("invoice_type_code", "380"))
@@ -368,37 +366,30 @@ def generate_compliant_zugferd_cii(data):
         note = ET.SubElement(ex_doc, f"{{{RAM}}}IncludedNote")
         ET.SubElement(note, f"{{{RAM}}}Content").text = str(data["invoice_note"]).strip()
         
-    # Trade Transaction
     trade_trans = ET.SubElement(root, f"{{{RSM}}}SupplyChainTradeTransaction")
     
     vat_rate = float(data['vat_rate_percent'])
     vat_category = "S" if vat_rate > 0.0 else "E"
     
-    # --- POSITIONS-SCHLEIFE ---
     for index, item in enumerate(data["items"], start=1):
         line_item = ET.SubElement(trade_trans, f"{{{RAM}}}IncludedSupplyChainTradeLineItem")
         
-        # Document Line
         doc_line = ET.SubElement(line_item, f"{{{RAM}}}AssociatedDocumentLineDocument")
         ET.SubElement(doc_line, f"{{{RAM}}}LineID").text = str(index)
         
-        # Product / Item
         trade_prod = ET.SubElement(line_item, f"{{{RAM}}}SpecifiedTradeProduct")
         ET.SubElement(trade_prod, f"{{{RAM}}}Name").text = str(item.get("name", "Dienstleistung"))
         if item.get("description") and str(item["description"]).strip() != "":
             ET.SubElement(trade_prod, f"{{{RAM}}}Description").text = str(item["description"]).strip()
             
-        # Agreement (Price)
         line_agree = ET.SubElement(line_item, f"{{{RAM}}}SpecifiedLineTradeAgreement")
         net_price = ET.SubElement(line_agree, f"{{{RAM}}}GrossPriceProductTradePrice")
         ET.SubElement(net_price, f"{{{RAM}}}ChargeAmount").text = f"{item['unit_price']:.2f}"
         
-        # Delivery (Quantity)
         line_deliv = ET.SubElement(line_item, f"{{{RAM}}}SpecifiedLineTradeDelivery")
         u_code = map_unece_unit_code(item.get("unit", "Stk."))
         ET.SubElement(line_deliv, f"{{{RAM}}}BilledQuantity", {"unitCode": u_code}).text = f"{item['quantity']:.4f}"
         
-        # Settlement (Financials per Item)
         line_settle = ET.SubElement(line_item, f"{{{RAM}}}SpecifiedLineTradeSettlement")
         trade_tax = ET.SubElement(line_settle, f"{{{RAM}}}ApplicableTradeTax")
         ET.SubElement(trade_tax, f"{{{RAM}}}TypeCode").text = "VAT"
@@ -408,11 +399,9 @@ def generate_compliant_zugferd_cii(data):
         mon_sum = ET.SubElement(line_settle, f"{{{RAM}}}SpecifiedTradeSettlementLineMonetarySummation")
         ET.SubElement(mon_sum, f"{{{RAM}}}LineTotalAmount").text = f"{item['total_amount']:.2f}"
 
-    # Header Trade Agreement (Sender & Customer & Global IDs)
     header_agree = ET.SubElement(trade_trans, f"{{{RAM}}}ApplicableHeaderTradeAgreement")
     ET.SubElement(header_agree, f"{{{RAM}}}BuyerReference").text = str(data["buyer_reference"])
     
-    # Supplier
     supplier_party = ET.SubElement(header_agree, f"{{{RAM}}}SellerTradeParty")
     ET.SubElement(supplier_party, f"{{{RAM}}}Name").text = "scitech it solutions GmbH"
     
@@ -428,7 +417,6 @@ def generate_compliant_zugferd_cii(data):
     supp_tax = ET.SubElement(supplier_party, f"{{{RAM}}}SpecifiedTaxRegistration")
     ET.SubElement(supp_tax, f"{{{RAM}}}ID", {"schemeID": "VA"}).text = "DE218436692"
     
-    # Customer
     customer_party = ET.SubElement(header_agree, f"{{{RAM}}}BuyerTradeParty")
     ET.SubElement(customer_party, f"{{{RAM}}}Name").text = str(data["recipient_name"])
     
@@ -438,7 +426,6 @@ def generate_compliant_zugferd_cii(data):
     ET.SubElement(cust_addr, f"{{{RAM}}}CityName").text = str(data["recipient_city"])
     ET.SubElement(cust_addr, f"{{{RAM}}}CountryID").text = "DE"
     
-    # Global References (BT-12, BT-13, BT-16)
     if data.get("order_id") and str(data["order_id"]).strip() != "":
         order_ref = ET.SubElement(header_agree, f"{{{RAM}}}BuyerOrderReferencedDocument")
         ET.SubElement(order_ref, f"{{{RAM}}}IssuerAssignedID").text = str(data["order_id"]).strip()
@@ -447,7 +434,6 @@ def generate_compliant_zugferd_cii(data):
         contract_ref = ET.SubElement(header_agree, f"{{{RAM}}}ContractReferencedDocument")
         ET.SubElement(contract_ref, f"{{{RAM}}}IssuerAssignedID").text = str(data["contract_id"]).strip()
 
-    # Header Trade Delivery
     header_deliv = ET.SubElement(trade_trans, f"{{{RAM}}}ApplicableHeaderTradeDelivery")
     if data.get("delivery_note_id") and str(data["delivery_note_id"]).strip() != "":
         dn_ref = ET.SubElement(header_deliv, f"{{{RAM}}}DeliveryNoteReferencedDocument")
@@ -458,7 +444,6 @@ def generate_compliant_zugferd_cii(data):
         occ_date = ET.SubElement(act_deliv, f"{{{RAM}}}OccurrenceDateTime")
         ET.SubElement(occ_date, f"{{{UDT}}}DateTimeString", {"format": "102"}).text = format_cii_date(data["delivery_date"])
 
-    # Header Trade Settlement
     header_settle = ET.SubElement(trade_trans, f"{{{RAM}}}ApplicableHeaderTradeSettlement")
     ET.SubElement(header_settle, f"{{{RAM}}}InvoiceCurrencyCode").text = "EUR"
     
@@ -467,7 +452,6 @@ def generate_compliant_zugferd_cii(data):
     payee_acc = ET.SubElement(pay_means, f"{{{RAM}}}PayeePartyCreditorFinancialAccount")
     ET.SubElement(payee_acc, f"{{{RAM}}}IBANID").text = str(data["iban"]).replace(" ", "")
     
-    # Global Tax Total
     header_tax = ET.SubElement(header_settle, f"{{{RAM}}}ApplicableTradeTax")
     ET.SubElement(header_tax, f"{{{RAM}}}CalculatedAmount").text = f"{data['total_vat_amount']:.2f}"
     ET.SubElement(header_tax, f"{{{RAM}}}TypeCode").text = "VAT"
@@ -475,7 +459,6 @@ def generate_compliant_zugferd_cii(data):
     ET.SubElement(header_tax, f"{{{RAM}}}CategoryCode").text = vat_category
     ET.SubElement(header_tax, f"{{{RAM}}}RateApplicablePercent").text = f"{vat_rate:.2f}"
     
-    # Billing Period (BT-26)
     if data.get("service_start_date") and data.get("service_end_date"):
         period = ET.SubElement(header_settle, f"{{{RAM}}}BillingSpecifiedPeriod")
         start_pt = ET.SubElement(period, f"{{{RAM}}}StartDateTime")
@@ -483,7 +466,6 @@ def generate_compliant_zugferd_cii(data):
         end_pt = ET.SubElement(period, f"{{{RAM}}}EndDateTime")
         ET.SubElement(end_pt, f"{{{UDT}}}DateTimeString", {"format": "102"}).text = format_cii_date(data["service_end_date"])
         
-    # Monetary Summation
     header_sum = ET.SubElement(header_settle, f"{{{RAM}}}SpecifiedTradeSettlementHeaderMonetarySummation")
     ET.SubElement(header_sum, f"{{{RAM}}}LineTotalAmount").text = f"{data['total_net_amount']:.2f}"
     ET.SubElement(header_sum, f"{{{RAM}}}TaxBasisTotalAmount").text = f"{data['total_net_amount']:.2f}"
@@ -743,15 +725,12 @@ with col2:
         else:
             if st.button("🔒 ZUGFeRD PDF exportieren", type="primary", width="stretch"):
                 try:
-                    # CII XML aus dem zentralen Objekt bauen
                     cii_xml_string = generate_compliant_zugferd_cii(final_invoice_dict)
                     
-                    # Original-PDF laden
                     uploaded_file.seek(0)
                     original_pdf_bytes = uploaded_file.read()
                     doc = fitz.open(stream=original_pdf_bytes, filetype="pdf")
                     
-                    # Datei einbetten nach ZUGFeRD 2.4 Standard
                     doc.embfile_add(
                         "factur-x.xml",
                         cii_xml_string.encode("utf-8"),
@@ -759,7 +738,6 @@ with col2:
                         desc="Factur-X/ZUGFeRD E-Invoice"
                     )
                     
-                    # Offizielles ZUGFeRD 2.4/Factur-X Extension Schema für XMP injizieren
                     xmp_xml = """<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
 <x:xmpmeta xmlns:x="adobe:ns:meta/">
    <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
@@ -812,7 +790,8 @@ with col2:
 </x:xmpmeta>
 <?xpacket end="w"?>"""
                     
-                    doc.set_xmp_metadata(xmp_xml)
+                    # 🔥 FIX: Benutze doc.set_metadata mit dem xmp-Keyword anstelle von set_xmp_metadata
+                    doc.set_metadata(doc.metadata, xmp=xmp_xml)
                     zugferd_pdf_bytes = doc.tobytes()
                     doc.close()
                     
@@ -832,7 +811,7 @@ st.markdown("---")
 st.caption(
     "📝 **Hinweise:**\n\n"
     "**Human-in-the-Loop:** "
-    "Das Tool dient als Automations-Assistent. Vor dem finalen XML-Export ist eine visuelle Endkontrolle der extrahierten Daten "
+    "Das Tool dient as Automations-Assistent. Vor dem finalen XML-Export ist eine visuelle Endkontrolle der extrahierten Daten "
     "(insbesondere Rechnungsnummer und Empfängeradresse) durch den Sachbearbeiter zwingend erforderlich.\n\n"
     "**GoBD-Konformität:** "
     "Das Tool generiert ausschließlich das strukturierte XML-Format. Für die Einhaltung der GoBD-Richtlinien "