Convert word to pdf

[sunblog3]

Description of the bug

Example:

import fitz

doc = fitz.open("demo.docx")
pdfbytes = doc.convert_to_pdf()

pdf = fitz.open("pdf", pdfbytes)
pdf.save("some.pdf")

demo.docx

How to reproduce the bug

Result error:

Traceback (most recent call last):
  File "E:\dr\venv\Lib\site-packages\fitz\__init__.py", line 2659, in __init__
    self.this = extra.Document_init( filename, stream, filetype, rect, width, height, fontsize)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "E:\dr\venv\Lib\site-packages\fitz\extra.py", line 153, in Document_init
    return _extra.Document_init(filename, stream, filetype, rect, width, height, fontsize)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: code=2: cannot find fixed document sequence start part

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "E:\dr\html_to_pdf.py", line 3, in <module>
    doc = fitz.open("demo.docx")
          ^^^^^^^^^^^^^^^^^^^^^^
  File "E:\dr\venv\Lib\site-packages\fitz\__init__.py", line 2666, in __init__
    raise FileDataError( MSG_BAD_DOCUMENT) from e
fitz.FileDataError: cannot open broken document

PyMuPDF version

1.23.26

Operating system

Linux

Python version

3.11

[julian-smith-artifex-com]

.docx files are not supported. Please see: https://pymupdf.readthedocs.io/en/latest/how-to-open-a-file.html#supported-file-types