Run a script of a Dynamo in multiple dwg files

Civil 3D
,
5

hi
You must search in layouts

Need example from

import clr
import os
import re

# Add Assemblies for AutoCAD APIs
clr.AddReference('acmgd')
clr.AddReference('acdbmgd')
clr.AddReference('accoremgd')




# Import references from AutoCAD
from Autodesk.AutoCAD.Runtime import *
from Autodesk.AutoCAD.ApplicationServices import *
from Autodesk.AutoCAD.EditorInput import *
from Autodesk.AutoCAD.DatabaseServices import *
from Autodesk.AutoCAD.Geometry import *

import Autodesk.AutoCAD.ApplicationServices.Application as acapp
import Autodesk.AutoCAD.ApplicationServices.DocumentCollectionExtension


#------------------------



DWGPaths = IN[0]
oldBlockReferenceName = IN[1]
newBlockReferenceName = IN[2]

#Real Code


for DWGPath in DWGPaths:
    adoc = DocumentCollectionExtension.Open(acapp.DocumentManager, DWGPath, False)


    with adoc.LockDocument():
        with adoc.Database as db:
            with db.TransactionManager.StartTransaction() as t:
                
                
                ###get ID for block reference replacement
                blockTable = t.GetObject(db.BlockTableId, OpenMode.ForWrite)
                
                newBlockID = [block for block in blockTable if block.Name == newBlockReferenceName][0]
                
                ###
                
                layoutObjectIDs = []
                layoutBlockTableIDs = []
                
                layoutDict = t.GetObject(db.LayoutDictionaryId, OpenMode.ForWrite)
                
                for layout in layoutDict:
                	if "Model" not in layout.Key:
                		layoutObjectIDs.append(layout.Value)
                
                for layoutObjectID in layoutObjectIDs:
                	layout = t.GetObject(layoutObjectID, OpenMode.ForWrite)
                	
                	layoutBlockTableID = layout.BlockTableRecordId
                	layoutBlockTableIDs.append(layoutBlockTableID)
                
                for layoutBlockTableID in layoutBlockTableIDs:
                	layoutBTR = t.GetObject(layoutBlockTableID, OpenMode.ForWrite)
                	
                	blockReferenceIDs = [blockReferenceID for blockReferenceID in layoutBTR]
                	
                	
                	
                	
                	
                	
                	
                	
                	
                	blockReferences = []
                	blockReferencePositions = []
                	
                	for blockReferenceID in blockReferenceIDs:
                		object = t.GetObject(blockReferenceID, OpenMode.ForWrite)
                		
                		if object.GetType() == Autodesk.AutoCAD.DatabaseServices.BlockReference and object.Name == oldBlockReferenceName:
                			blockReferences.append(object)
                			blockReferencePositions.append(object.Position)
                		
                		####

                		
                		for object in blockReferences:
                			object.Erase(True)
                		
            		for position in blockReferencePositions:
            			newbr = BlockReference(position, newBlockID)
            			layoutBTR.AppendEntity(newbr)
            			t.AddNewlyCreatedDBObject(newbr, True)
                		
                		
                		
                		
                
                t.Commit()
                pass
                
    if adoc:
        DocumentExtension.CloseAndSave(adoc, DWGPath)


OUT = layoutBlockTableIDs, layoutObjectIDs, blockReferenceIDs, blockReferences, blockReferencePositions, newBlockID