Source Code for Module nukescripts.renderman

 1  import os 
 2  import subprocess 
 3  import shlex 
 4  # filter a RIB file 
 5   
 6  # The function should take the input RIB filename 
 7  # filter it and write the modified version to a file called out_RIB_file 
 8  # 
 9  # This function should return true if the RIB file is filtered or throw an exception if unmodified 
10  # 
11  # args specifies extra arguments field on the prmanRender RIB tab 
12  # 
13  # the default version tries to call catrib to filter the RIB 
14     
15   
16 -def filterRIB( in_RIB_file, out_RIB_file, argsStr ): 
17   
18    catRibPath = os.environ['RMANTREE'] + '/bin/catrib' 
19    args = [ catRibPath ] 
20    args.extend( shlex.split(argsStr) ) 
21    args.append( "-o" ) 
22    args.append( out_RIB_file) 
23    args.append( in_RIB_file) 
24   
25    process = subprocess.Popen( args, shell=False, stdout=subprocess.PIPE) 
26    output = process.communicate() 
27   
28    if process.returncode != 0: 
29      raise Exception( "Error running RIB filter (" + str(process.returncode) + ")" ) 
30