shell command from python plugin
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THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 17/09/2012 at 08:02, xxxxxxxx wrote:
Hi everybody,
i am trying to write a plugin for c4d to start an external render or to send a command to our renderfarm to render a specific c4d file. well, i didn't came far. i am stuck with sending a command to the operating system to run a program (wich is our server client). so the basic idea is just simple: by clicking on the plugin, it just sends a command over the system shell. later if this runs i want to parse specific informations of the c4d scene (like start and endframe, file location, render location etc. but that's simple, shouldn't be a problem). I was trying to achieve this via the subprocess library of python.
question now is:
- what is the right way to send a command to the shell of the os?
- is it even possible to send such commands from within c4d-python?here is the testcode i've written. i have been trying several variations of this but none did work...
i am on osx 10.6 mac...here's the testcode:
-----------------------------------------------------------------------------------------------
import c4d
from c4d import gui
import os
import subprocessdef main() :
print("Hello!") #to test if it's running
subprocess.Popen(['cd /Applications/rprccmd && ./rprccmd'], shell=True)if __name__=='__main__':
main()-----------------------------------------------------------------------------------------------
i wrote a testprogram in c++ via xcode which worked. when i did put it in c++ plugin structure for c4d it didn't work either...
any ideas would be highly appreciated
cheers,
Michael -
THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 17/09/2012 at 08:43, xxxxxxxx wrote:
If all you want to do is run another program, use the SDK function GeExecuteProgram - assuming that's available in Python.
What I don't know is whether you can pass a command line to the program using this method.
Steve
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THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 29/09/2012 at 08:00, xxxxxxxx wrote:
You can pass a command line as the second parameter, but unfortunately C4D will wrap the second parameter in quotes (probably because it's a Filename and not a String). It should work if your command line is something that can deal with quotes around it, or any other munging C4D does with a Filename (removal of illegal characters?). Sadly the quoting is not working for me and I'm having to find ways around it.
There is a more promising "GeExecuteProgramEx" command, which is listed as private...but looks to have the proper form with a String array for args. Hopefully Maxon will give us something here eventually...
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THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 30/09/2012 at 10:02, xxxxxxxx wrote:
Hello VUCX_DE,
read the documentation of subprocess.Popen more carefully. The constructor expects a list of
arguments, not a list of commands. You can use shlex.split to convert a command-string into a list
of arguments (as demonstrated in the subprocess.Popen documentation).-Niklas
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THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 04/10/2012 at 01:19, xxxxxxxx wrote:
Thanks for your posts!
I'll try it!