Am Freitag, 10. September 2010 19:20:24 UTC+2 schrieb hapgilmore:
> I'm trying to set up an automated asset testing service on a server.
>
> We use TeamCity to run a python script, which in turn imports pymel
> and starts a maya shell to perform the asset testing.
>
> TeamCity runs the python script under a Windows Service (which has
> limited access to windows resources) , and it appears that something
> about this method causes the "import pymel.core as pm" command to hang
> mayapy.exe.
>
> Running the python script on the server from the command line works
> fine.
>
> Any ideas what pymel could be accessing that wouldn't work when run as
> part of a service?
Hello I have had the same problem with Pymel for Maya 2015.
What I wanted to do is to start mayapy.exe as a new process from C# and relink
the standard I/O back to C#. It worked out when I was loading packages from the
from maya-module, it always hung up when I tried to implement pymel.core.
Our pipeline highly depends on Pymel so using cmds is not an option.
Interesting fact: Without rerouting the standard I/O this works very well, so
importing pymel.core did not gave me any freeze. Unfortunately not having an
output is no option in this project.
What I did was to set the "RedirectStandardError" Flag to false, thus the
process-call looks like:
ProcessStartInfo PythonStartInfo = new ProcessStartInfo()
{
FileName = "C:/Program Files/Autodesk/Maya2015/bin/mayapy.exe",
Arguments = this.OutputScriptPath + " " + this.AssetPath,
//CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = false
};
MayaPythonProc = new Process();
MayaPythonProc.StartInfo = PythonStartInfo;
After calling it that way I'm able to get the output from python and use input
data from C# directed to python as well.
I'm posting this cause it might give you an idea why the server-stuff did not
work out the way you wanted and maybe someone else is currently trying what I'm
doing here.
Best regards
Mirko
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