Python run an executable file in python using subprocess windows 10

Question

I'm trying to run massdns.exe which is in the same folder as my python file

subprocess.run("dir", shell=True)

output

Volume in drive C has no label.
 Volume Serial Number is A6AB-C832

 Directory of C:\Users\Owner\Desktop\folder1\folder2\massdns

02/02/2020  07:59 PM           251,991 massdns.exe

as you can see, it's in the same folder.

when I try doing subprocess.run(".\massdns.exe -r lists/resolvers.txt -t AAAA -w results.txt generated_domains.txt", shell=True) it does nothing. While, in the command line window or while in the powershell window, it runs the program as expected.

Things I have tried subprocess.check_output("massdns.exe -r lists/resolvers.txt -t AAAA -w results.txt generated_domains.txt", shell=True)

subprocess.run(".\massdns.exe -r lists/resolvers.txt -t AAAA -w results.txt generated_domains.txt", shell=True)

When I do this

subprocess.check_output("massdns.exe -r lists/resolvers.txt -t AAAA -w results.txt generated_domains.txt", shell=True)

I get this error

subprocess.CalledProcessError: Command 'massdns.exe -r lists/resolvers.txt -t AAAA -w results.txt generated_domains.txt' returned non-zero exit status 3221225781.

Like this? subprocess.check_output("massdns.exe -r lists\\resolvers.txt -t AAAA -w results.txt generated_domains.txt", shell=True) Just tried it and doesn't seem to work. — leak
– leak, Commented Feb 3, 2020 at 19:24
The backslash, not forward slash. '.\\massdns.exe -r lists/resolvers.txt -t AAAA -w results.txt generated_domains.txt' — snnguyen
– snnguyen, Commented Feb 3, 2020 at 19:27
Ah I see, just tried, still doesn't work I also just tried import os os.system("C:\\Users\\Owner\\Desktop\\folder1\\folder2\\massdns\\massdns.exe") and nothing printed, when I think it should have printed the flags that are required when you use the massdns.exe program.. — leak
– leak, Commented Feb 3, 2020 at 19:37

leak · Accepted Answer · 2020-02-03 20:31:30Z

1

I figured out my problem, which would have been really hard to answer if you weren't in the same room as me. I'm using pycharm and I moved the massdns.exe file into another folder (the same folder I was trying to execute it in python though) and I didn't close my pycharm's command line, which I guess somehow messes with it, I closed pycharm alltogether and ta-da it worked.

answered Feb 3, 2020 at 20:31

leak

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