Popen gives "File not found" Error (windows/python)

Question

I'm trying to run console commands via subprocess.Popen, and whenever I run it I get the windows "File not found" error, even when running the echo command. I am also using Popen inside a thread made with the thread module. Is that the problem?

wallyk · Accepted Answer · 2010-08-12 23:58:22Z

5

Instead of
D:\Program Files\Steam\steamapps\terabytest\sourcesdk\bin\orangebox\bin\vbsp.exe, use
D:/Program Files/Steam/steamapps/terabytest/sourcesdk/bin/orangebox/bin/vbsp.exe

This eliminates any complications with backslashes inside quotes.

answered Aug 12, 2010 at 23:58

wallyk

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Maxim Razin Over a year ago

Another major source of the problem is whitespace inside the path. It is much more robust to use a list of parameters instead of a string. Try to do something like Popen(["D:/Program Files/Steam/steamapps/terabytest/sourcesdk/bin/orangebox/bin/vbsp.exe", "param1", "param2"])

Maxim Razin · Accepted Answer · 2010-08-12 23:49:12Z

3

echo is not an executable, it's an internal command inside cmd.exe. If you want to use Popen with internal commands, add a keyword parameter shell=True

answered Aug 12, 2010 at 23:49

Maxim Razin

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2 Comments

kettlepot Over a year ago

I put in '"D:\Program Files\Steam\steamapps\terabytest\sourcesdk\bin\orangebox\bin\vbsp.exe"' and I still get errors, it doesn't work with either shell=True or shell=False Why?

tamersalama Over a year ago

try escaping the backslashes (with another backslash)

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