dynamo python templete
import clr
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
from Autodesk.Revit.DB.Structure import *
clr.AddReference('RevitAPIUI')
from Autodesk.Revit.UI import *
clr.AddReference('System')
from System.Collections.Generic import List
clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.GeometryConversion)
clr.ImportExtensions(Revit.Elements)
clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
import System
from System.Collections.Generic import *
import sys
sys.path.append(r'C:\Program Files (x86)\IronPython 2.7\Lib')
doc = DocumentManager.Instance.CurrentDBDocument
uidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument
uiapp = DocumentManager.Instance.CurrentUIApplication
app = DocumentManager.Instance.CurrentUIApplication.Application
def tolist(obj1):
if hasattr(obj1,'__iter__') : return obj1
else : return [obj1]
def flatten(x):
result = []
for el in x:
if hasattr(el, "__iter__") and not isinstance(el, basestring):
result.extend(flatten(el))
else:
result.append(el)
return result
#Preparing input from dynamo to revit
element = UnwrapElement(tolist(IN[0]))
#Do some action in a Transaction
TransactionManager.Instance.EnsureInTransaction(doc)
#Do Action
TransactionManager.Instance.TransactionTaskDone()
OUT = element