Word to PDF Generater

create_pdfs.py

import os
import pythoncom
import win32com
import win32com.client as client
from shutil import copyfile, rmtree
import threading
from contextlib import suppress


wdFormatPDF = 17

with open('note_paths.txt') as f:
    files = f.read().splitlines()
# or define files = [] manually   
pythoncom.CoInitialize()
word = client.dynamic.Dispatch('Word.Application')

# debugging purposes
# word = client.DispatchEx('Word.Application')
# word = comtypes.client.CreateObject('Word.Application')


def convert_to_pdf(in_file, word_id):
    pythoncom.CoInitialize()
    word = client.dynamic.Dispatch(pythoncom.CoGetInterfaceAndReleaseStream(word_id, pythoncom.IID_IDispatch))
    word.Visible = False
    in_file = os.path.abspath(in_file)
    out_file = in_file.replace('.docx', '.pdf').replace('.doc', '.pdf')
    with suppress(FileNotFoundError): os.remove(out_file)
    doc = word.Documents.Open(in_file)
    doc.SaveAs(out_file, FileFormat=wdFormatPDF)
    doc.Close()


threads = []
for file in files:
    word_id = pythoncom.CoMarshalInterThreadInterfaceInStream(pythoncom.IID_IDispatch, word)
    t = threading.Thread(target=convert_to_pdf, args=(file, word_id))
    t.start()
    threads.append(t)

print("Creating PDF's")
for t in threads: t.join()
word.Quit()
print("Created PDF's")