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Editorial Team
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Asked: 2026-05-30T17:25:48+00:00

Having a problem envoking another script, by the way it works fine from the

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Having a problem envoking another script, by the way it works fine from the console when I just call python main.py (which then calls test3.py) but when I do it via the webserver it gives the error below which is cryptic

I can’t call this (test3 is just a print…)

#proc = subprocess.Popen(['python', 'test3.py'], stdout=subprocess.PIPE)

but this works fine

proc = subprocess.Popen(['ls', '-la'], stdout=subprocess.PIPE)

Error Log in /var/log/httpd-error.log on FreeBSD

[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] Traceback (most recent call   last):
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61]   File "/usr/local/www/apache22/data/main2.py", line 22, in <module>
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61]
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] proc = subprocess.Popen(['python', 'test3.py'], stdout=subprocess.PIPE)
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61]   File "/usr/local/lib/python2.7/subprocess.py", line 679, in __init__
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61]
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] errread, errwrite)
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61]   File "/usr/local/lib/python2.7/subprocess.py", line 1228, in _execute_child
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61]
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] raise child_exception
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] OSError
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] :
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] [Errno 2] No such file or directory
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61]
[Thu Mar 01 12:26:55 2012] [error] [client 64.102.194.61] File does not exist: /usr/local/www/apache22/data/favicon.ico
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1 Answer

  1. Editorial Team

    The python executable is not in the webservers executable PATH. The webserver may also be secured with a chroot or similar techniques and therefore be unable to access the python installation.

    Try specifying the full path of the python executable (you can find it out interactively with the which command), like this:

    proc = subprocess.Popen(['/usr/bin/python', 'test3.py'], stdout=subprocess.PIPE)
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