python - Error using comtypes.client to convert a .pptx file into .pdf -


i'm trying convert .pptx file pdf file. far got:

pp_format_pdf = 32  def _convert_powerpoint2pdf(input_path, output_path):     try:         import comtypes         import comtypes.client     except importerror error:         raise      else:         powerpoint = slides = none         try:             comtypes.coinitialize()             powerpoint = comtypes.client.createobject('powerpoint.application')             slides = powerpoint.presentations.open(input_path)             slides.saveas(output_path, fileformat=pp_format_pdf)         except windowserror error:             raise         except comtypes.comerror error:             raise ioerror(error)         finally:             slides , slides.close()             powerpoint , powerpoint.quit()             comtypes.couninitialize()

error:

traceback (most recent call last):   file "c:/users/mathias/git/pdfconv/tests\test_converter.py", line 89, in test_convert_presentation2pdf_pptx     pdfconv.converter.convert_presentation2pdf(input_path, output_path)   file "c:\users\mathias\git\pdfconv\pdfconv\converter.py", line 116, in convert_presentation2pdf     _convert_powerpoint2pdf(input_path, output_path)   file "c:\users\mathias\git\pdfconv\pdfconv\converter.py", line 179, in _convert_powerpoint2pdf     slides.saveas(output_path, fileformat=pp_format_pdf) _ctypes.comerror: (-2147467259, 'unbekannter fehler', (u'presentation (unknown member) : powerpoint kann ^0 auf ^1 nicht speichern.', u'microsoft powerpoint 2013', u'', 0, none))

almost same code works fine word , excel. has idea doing wrong?


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