multithreading rtf to pdf using python multiprocessing library -


i have created small python code opens word document , saves pdf. trying make faster using multi threading running weird error. 

import sys import os,os.path import win32com.client import time multiprocessing import pool  wdformatpdf = 17 input_dir =    r'l:\outtable' output_dir =   r'l:\outpdf' filter_files = '' files= os.listdir(input_dir.strip()) file2=[] file in files:     if 'rtf' in file , not ('~' in file):         file2.append(file)  def printpdf(pfile):     if 'rtf'  in pfile , not('~' in pfile):         in_file = input_dir.strip()+"\\"+pfile         print (in_file)         output_file = pfile.split('.')[0]         out_file = output_dir+"\\"+output_file+'.pdf'         word= win32com.client.dispatch('word.application')         word.visible = false                 try:             doc= word.documents.open(in_file)                         doc.saveas(out_file, fileformat=wdformatpdf)             doc.close(savechanges=false)         except exception e:             print ('check file',out_file)             print (str(e))         word.quit()       if __name__== "__main__":     p=pool(10)     p.map(printpdf,file2)

---error:

multiprocessing.pool.remotetraceback:  """ traceback (most recent call last):   file "c:\python34\lib\multiprocessing\pool.py", line 119, in worker     result = (true, func(*args, **kwds))   file "c:\python34\lib\multiprocessing\pool.py", line 44, in mapstar     return list(map(*args))   file "c:\users\nyspa\desktop\data\codes\multi thread pdf.py", line 24, in printpdf     word.visible = false   file "c:\python34\lib\site-packages\win32com\client\dynamic.py", line 576, in __setattr__     raise attributeerror("property '%s.%s' can not set." % (self._username_, attr)) attributeerror: property 'word.application.visible' can not set. """  above exception direct cause of following exception:  traceback (most recent call last):   file "c:\users\nyspa\desktop\data\codes\multi thread pdf.py", line 35, in <module>     p.map(printpdf,file2)   file "c:\python34\lib\multiprocessing\pool.py", line 260, in map     return self._map_async(func, iterable, mapstar, chunksize).get()   file "c:\python34\lib\multiprocessing\pool.py", line 599, in     raise self._value attributeerror: property 'word.application.visible' can not set.

i looks somewhere along line pool of thread getting broken. not expert on multiprocessing, gathered code here , there , converts files stops. can point out going on?

not software threadable. seems converter belongs class of software. that's not surprising, considering you're talking process via interface – how should word process know there's multiple threads talking it?

so, technologically impossible multithread thing – need ms word process multiple files in parallel.


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