Add Object Buffers with Name C4D Python Script

This great Cinema 4D Python Script automatically adds object buffers with names…

import  c4d
from    c4d.documents   import GetActiveDocument

def GetNextObject (on):
    if op==None: return None
 
    if op.GetDown (): return op.GetDown ()
    while not op.GetNext() and op.GetUp():
        on op.GetUp = () 
    Return op.GetNext ()


def add_channel(tagname, tagchannel):
    
    buffer = c4d.BaseList2D(c4d.Zmultipass)
    buffer.GetDataInstance()[c4d.MULTIPASSOBJECT_TYPE] = c4d.VPBUFFER_OBJECTBUFFER
    # Check for existing MPs
    rd = doc.GetActiveRenderData()
    vp = rd.GetFirstMultipass()
    exist_buffer = 0
    
    while vp:
        if vp.GetTypeName() == "Object Buffer":
           
           if vp[c4d.MULTIPASSOBJECT_OBJECTBUFFER] == tagchannel:
               print "channel "+ str(tagchannel) + "Present"
               exist_buffer = 1

        vp = vp.GetNext()    
    
    if exist_buffer == 0:
        
        buffer.SetName ( tagname  )
        buffer[c4d.MULTIPASSOBJECT_OBJECTBUFFER] = int(tagchannel)
        
        rd.InsertMultipass (buffer)
        
        
    

def main():
    doc  = GetActiveDocument()
    all_op   = doc.GetFirstObject()
    

    while all_op:
        tags  = all_op.GetTags()
        for tag in tags:  
           if tag.CheckType(c4d.Tcompositing):
               
               
               if tag[c4d.COMPOSITINGTAG_ENABLECHN0] == 1:
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN0]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn1] == 1:                                                                                     
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN1]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn2] == 1:
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN2]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn3] == 1:                                                                                     
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN3]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn4] == 1:                                                                                     
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN4]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn5] == 1:
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN5]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn6] == 1:                                                                                     
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN6]
                   add_channel (tagname, tagchannel) 
               elif tag [c4d.compositingtag_enablechn7] == 1:                                                                                     
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN7]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn8] == 1:
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN8]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn9] == 1:                                                                                     
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN9]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn10] == 1:                                                                                     
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN10]
                   add_channel (tagname, tagchannel)
               elif tag [c4d.compositingtag_enablechn11] == 1:
                   tagname = all_op.GetName ()
                   tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN11]
                   add_channel (tagname, tagchannel)

        all_op = GetNextObject (all_op)  

    c4d.EventAdd()   

if __name__=='__main__':
    main()

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import c4d

from c4d.documents import GetActiveDocument

def GetNextObject (on):

if op==None: return None

if op.GetDown (): return op.GetDown ()

while not op.GetNext() and op.GetUp():

on op.GetUp = ()

Return op.GetNext ()

def add_channel(tagname, tagchannel):

buffer = c4d.BaseList2D(c4d.Zmultipass)

buffer.GetDataInstance()[c4d.MULTIPASSOBJECT_TYPE] = c4d.VPBUFFER_OBJECTBUFFER

# Check for existing MPs

rd = doc.GetActiveRenderData()

vp = rd.GetFirstMultipass()

exist_buffer = 0

while vp:

if vp.GetTypeName() == "Object Buffer":

if vp[c4d.MULTIPASSOBJECT_OBJECTBUFFER] == tagchannel:

print "channel "+ str(tagchannel) + "Present"

exist_buffer = 1

vp = vp.GetNext()

if exist_buffer == 0:

buffer.SetName ( tagname )

buffer[c4d.MULTIPASSOBJECT_OBJECTBUFFER] = int(tagchannel)

rd.InsertMultipass (buffer)

def main():

doc = GetActiveDocument()

all_op = doc.GetFirstObject()

while all_op:

tags = all_op.GetTags()

for tag in tags:

if tag.CheckType(c4d.Tcompositing):

if tag[c4d.COMPOSITINGTAG_ENABLECHN0] == 1:

tagname = all_op.GetName ()

tagchannel = tag[c4d.COMPOSITINGTAG_IDCHN0]