Python exception error subprocess file is missing - but which file?

I have a code running on python 2.7.3 (windows) and I am trying to run it on python 2.7.8 (windows) and get the following error:

main: INFO ** Start Home **

Traceback (most recent call last):
  File "C:\wamp\www\prenderer\src\", line 82, in <module>
    nuke_process = launch_nuke()
  File "C:\wamp\www\prenderer\src\", line 31, in launch_nuke
    query = subprocess.Popen(r"query process", stdout=subprocess.PIPE)
  File "F:\python27\lib\", line 710, in __init__
    errread, errwrite)
  File "F:\python27\lib\", line 958, in _execute_child
WindowsError: [Error 2] The system cannot find the file specified


what's wrong?


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1 answer

Argument shell=True


query = subprocess.Popen(r"query process", stdout=subprocess.PIPE, shell=True)


or pass the command line argument as a list:

query = subprocess.Popen(["query", "process"], stdout=subprocess.PIPE)


Otherwise, it is query process

recognized as a program instead of query




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