running a .bat file using python

Question

I am working on a Youtube to mp4 converter and I currently have two webm files(one containing the audio and one containing the video) and a .bat programm that converts them into a webm file with audio and video. I tryed to open the .bat file using this code:

import subprocess

subprocess.Popen(['C:/Users/mariu/Desktop/Youtube/a3.bat'])

But when I run the code I get this Error:

C:\Users\$$$\source\repos\Youtube Downloader\Youtube Downloader>ffmpeg -i 
C:/Users/$$$/Desktop/Youtube/1.webm -i C:/Users/$$$/Desktop/Youtube/2.webm -c copy 
C:/Users/$$$/Desktop/Youtube/output.webm
The command "ffmpeg" is either wrong or could not be found. (translated from german)

The .bat programm works when I simply execute it but it doesnt when using Python. I have also tryed to use os.system("path") but that also didn't work. Help would be appreciated.

Actually, python script works, problem is that OS can't find `"ffmpeg"`. — Olvin Roght, Oct 26 '20 at 16:27
This should answer your query: https://stackoverflow.com/questions/1818774/executing-a-subprocess-fails — hitesh, Oct 26 '20 at 16:38

score 0 · Accepted Answer · answered Oct 26 '20 at 16:28

0

did you try to modify your .bat file to call ffmpeg using the full path?

Youtube Downloader>path\to\ffmpeg -i C:/Users/$$$/Desktop/Youtube/1.webm -i C:/Users/$$$/Desktop/Youtube/2.webm -c copy C:/Users/$$$/Desktop/Youtube/output.webm

answered Oct 26 '20 at 16:28

sebo

72
7

Thanks for the quick solution! Worked for me :) – Marius Blees Oct 26 '20 at 16:33

running a .bat file using python

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