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Factur-X: electronic invoicing standard for Germany & France

Project description

Factur-X Python library

Factur-X is the e-invoicing standard for France and Germany. The Factur-X specifications are available on the FNFE-MPE website in English and French. The Factur-X standard is also called ZUGFeRD 2.0 in Germany.

The main feature of this Python library is to generate Factur-X invoices from a regular PDF invoice and a Factur-X compliant XML file.

This lib provides additionnal features such as:

  • extract the Factur-X XML file from a Factur-X PDF invoice,
  • check a Factur-X XML file against the official XML Schema Definition.

Some of the features provided by this lib also work for ZUGFeRD 1.0 (the ancestor of the Factur-X standard).


This library works both on python 2.7 and python 3.

To install it for python 3, run:

sudo pip3 install --upgrade factur-x

To install it for python 2.7, run:

sudo pip install --upgrade factur-x


from facturx import generate_facturx_from_file

facturx_pdf_invoice = generate_facturx_from_file(regular_pdf_invoice, facturx_xml_file)

To have more examples, look at the source code of the command line tools located in the bin subdirectory.

Command line tools

Several command line tools are provided with this lib:

  • facturx-pdfgen: generate a Factur-X PDF invoice from a regular PDF invoice and an XML file
  • facturx-pdfextractxml: extract the Factur-X XML file from a Factur-X PDF invoice
  • facturx-xmlcheck: check a Factur-X XML file against the official Factur-X XML Schema Definition

All these commande line tools have a -h option that explains how to use them and shows all the available options.


This library is published under the BSD licence (same licence as PyPDF4 on which this lib depends).



  • Version 1.6 dated 2020-01-09
    • Generate XMP (XML-based PDF metadata) via string replacement instead of using XML lib
  • Version 1.5 dated 2019-11-13
    • Fix bug in generate_facturx_from_file() when using argument additional_attachments
  • Version 1.4 dated 2019-07-24
    • Update Factur-X XSD to the final version of Factur-X v1.0.04
    • Support XML extraction with ZUGFeRD invoices using ‘zugferd-invoice.xml’ filename (instead of the filename ‘ZUGFeRD-invoice.xml’ specified by the standard)
  • Version 1.3 dated 2019-06-12
    • Add XSD files for Extended profile in the Python package
  • Version 1.2 dated 2019-06-12
    • add support for the Extended profile
    • validate XML for Minimum and Basic WL profiles with the XSD of profile EN 16931, as asked by Cyrille Sautereau
    • minor improvements in the code for /Kids
  • Version 1.1 dated 2019-04-22
    • Improve support for embedded files extraction by adding support for /Kids
  • Version 1.0 dated 2019-01-26
  • Version 0.9 dated 2019-01-25
  • Version 0.8 dated 2018-06-10
    • Make pretty_print work for XMP file, for better readability of that file
  • Version 0.7 dated 2018-05-24
    • Fix XMP structure under /x:xmpmeta/rdf:RDF/rdf:Description (use XML tags instead of XML attributes)
    • declare PDF-1.6 instead of PDF-1.3 (still declared by default by pyPDF2)
  • Version 0.6 dated 2018-05-01
    • Now fully PDF/A-3 compliant with additionnal attachments (tested with veraPDF)
    • facturx-pdfgen: don’t overwrite by default and add –overwrite option
    • Add factur-x library version number in metadata creator entry
  • Version 0.5 dated 2018-03-29
    • Fix XMP metadata structure
    • Now fully PDF/A-3 compliant when the input PDF file is PDF/A compliant (tested with veraPDF). This implied copying /OutputIntents and /ID datas from source PDF to Factur-X PDF.
    • Fix support for additionnal attachments: they can now all be saved with Acrobat Reader
    • Improve XML extraction from PDF Factur-x file
  • Version 0.4 dated 2018-03-27
    • Factur-x specs say /AFRelationship must be /Data (and not /Alternative)
    • Update Factur-X XSD to v1.0 final
    • Add support for additionnal attachments
    • Add factur-x lib version in Creator metadata table
    • Add /PageMode = /UseAttachments, so that the attachments are displayed by default when opening Factur-X PDF invoice with Acrobat Reader
    • Improve and enrich PDF objects (ModDate, CheckSum, Size)

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