Tuesday, January 16, 2024

The following output (issued by lino.utils.diag.Anayzer.show_db_overview()) helped me to understand the MRO problem with ledger.Voucher and ledger.RegistrableVoucher:

class VatProductInvoice(SalesDocument, Matching, InvoicingTargetVoucher, StorageTransferer):

Model:
      lino_xl.lib.sales.models.VatProductInvoice
Duplicate base:
      LedgerRegistrable
Inheritance trees:
      LedgerRegistrable.StorageTransferer.VatProductInvoice
      LedgerRegistrable.VatDocument.VatVoucher.SalesDocument.VatProductInvoice
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Duplicate base:
      Voucher
Inheritance trees:
      Voucher.LedgerRegistrable.StorageTransferer.VatProductInvoice
      Voucher.LedgerRegistrable.VatDocument.VatVoucher.SalesDocument.VatProductInvoice
----------------------------------------
Duplicate base:
      UserAuthored
Inheritance trees:
      UserAuthored.Voucher.LedgerRegistrable.StorageTransferer.VatProductInvoice
      UserAuthored.Voucher.LedgerRegistrable.VatDocument.VatVoucher.SalesDocument.VatProductInvoice