How to use subprocess.Popen() with maya ?

[cyrill...@gmail.com]

Hello,

Anyone know how to use subprocess inside Maya ?
When i'm trying this code inside maya:

import subprocess

dirName = '/u/Users/TEST/'
xdg = subprocess.Popen(['xdg-open', dirName], stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)

It does nothing, but when I execute this code in a Linux script command it works.

[Robert White]

https://pymotw.com/2/subprocess/ is a really good rundown of working with the subprocess module.

In fact the site is full of tutorials for the entire std library.

[Justin Israel]

On Sat, Oct 22, 2016 at 8:12 AM <cyrill...@gmail.com> wrote:

Hello,

Anyone know how to use subprocess inside Maya ?
When i'm trying this code inside maya:

import subprocess

dirName = '/u/Users/TEST/'
xdg = subprocess.Popen(['xdg-open', dirName], stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)

Do you check the stdout/stderr and the return code after this? Make sure to read the output via communicate() if you are creating pipes.

Also, you don't need a pipe for stdin unless you actually intend to send data to the stdin of the process.

 

It does nothing, but when I execute this code in a Linux script command it works.

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[Marcus Ottosson]

Try passing the full path to xdg-open, or pass shell=True to Popen.

• More on shell here.

​

On 21 October 2016 at 20:51, Justin Israel <justin...@gmail.com> wrote:

On Sat, Oct 22, 2016 at 8:12 AM <cyrill...@gmail.com> wrote:

Hello,

Anyone know how to use subprocess inside Maya ?
When i'm trying this code inside maya:

import subprocess

dirName = '/u/Users/TEST/'
xdg = subprocess.Popen(['xdg-open', dirName], stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)

Do you check the stdout/stderr and the return code after this? Make sure to read the output via communicate() if you are creating pipes.

Also, you don't need a pipe for stdin unless you actually intend to send data to the stdin of the process.

It does nothing, but when I execute this code in a Linux script command it works.

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For more options, visit https://groups.google.com/d/optout.

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For more options, visit https://groups.google.com/d/optout.

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Marcus Ottosson
konstr...@gmail.com

[cyrill...@gmail.com]

Thanks all for your answers
I got a result by doing this:
subprocess.call('xdg-open {0}'.format(myFolder), shell=True)