Source Code for Module mayaBackEnd

 1  ''' 
 2  A class that provides a dynamic allocation model for Maya 
 3  ''' 
 4  #====================================== 
 5  #  $Revision: #1 $ 
 6  #  $Change: 13599 $ 
 7  #====================================== 
 8   
 9  import sys 
10  import qb.backend.pythonChildBackEnd 
11   
12   
13 -class MayaBackEnd(qb.backend.pythonChildBackEnd.PythonChildBackEnd): 
14      """ 
15      A backend for a jobtype that runs an instance of Nuke in a child process. 
16   
17      This will allow for the Maya session to persist for the duration of the subjob. 
18      """ 
19   
20 -    def getSubprocessArgs(self, port): 
21          """ 
22          Get the arguments to start the child python process. 
23   
24          @param port: The port number for the CmdDispatchers socket server 
25          @type port: C{int} 
26           
27          @return: Return a tuple of a list of args to start the python interpreter, 
28          and a list of python commands to initialize the python working environment. 
29           
30          @rtype: C{tuple} C{([childArgs], [pyInitCmds])} 
31          """ 
32   
33          args = [] 
34          if sys.platform != 'win32': 
35              args.extend(['/bin/tcsh', '-c']) 
36   
37          mayaArgs = self.job['package'].get('mayaArgs', '') 
38          if not mayaArgs: 
39              mayaArgs = '' 
40   
41          pyCmdLine = '%s -u %s "%s" --port %s --kind %s' % (self.pyExecutable, mayaArgs, self.childBootstrapper, port,  self.job['kind']) 
42   
43          args.append(pyCmdLine) 
44   
45          pyInitCmds = [ 
46              'import maya.standalone', 
47              'maya.standalone.initialize(name="python")', 
48              'import maya.cmds as mc', 
49              'import maya.mel as mm' 
50          ] 
51   
52          return args, pyInitCmds 
53