CODE_01_AL FAMILY INSTANCES IN DOCUMENT

import clr
import System
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
doc = IN[0]

clr.AddReference("RevitAPI")
from Autodesk.Revit.DB import *

clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)


familieCollector = FilteredElementCollector(doc).OfClass(FamilyInstance).ToElements()

families = list()
		
for d in familieCollector:
	#if d.IsTemplate != True:
		families.append(d)

#Assign your output to the OUT variable.
OUT = families




CODE_02_SAVE FAMILY AS

import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

clr.AddReference('RevitAPI')
import Autodesk

clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument

#Close all transactions

trans = TransactionManager.Instance
trans.ForceCloseTransaction()


fams = IN[0]
paths = IN[1]

#unwrap the Dynamo elements

fams = map(UnwrapElement, fams)
for i in xrange(len(fams)):

    famDoc = doc.EditFamily(fams[i])
    famDoc.SaveAs(paths[i])
    famDoc.Close(False)

OUT = 0


CODE_03_INSERT FAMILIES IN DOCS

import clr
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
clr.AddReference('RevitServices')

# Revit and Dynamo modules
from Autodesk.Revit.DB import Document, FamilySource, IFamilyLoadOptions
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

uiapp = DocumentManager.Instance.CurrentUIApplication
app = uiapp.Application

#input assigned to IN variable
paths = IN[0]
docpaths = IN[1]

#wrap input inside a list if not a list.
if not isinstance(paths, list): 
	paths = [paths]
if not isinstance(docpaths, list): 
	docpaths = [docpaths]
	
#ensure loaded families can overwrite existing families.
class FamilyOption(IFamilyLoadOptions):
	def OnFamilyFound(self, familyInUse, overwriteParameterValues):
		overwriteParameterValues = True
		return True
		
	def OnSharedFamilyFound(self, sharedFamily, familyInUse, source, overwriteParameterValues):
		source = FamilySource.Family
		overwriteParameterValues = True
		return True		
		
#core data processing
documents = []
families = []
for docpath in docpaths:
	doc=app.OpenDocumentFile(docpath)
	documents.append(doc)
for path in paths:
	family_doc = app.OpenDocumentFile(path)
	families.append(family_doc)
	
for document in documents:
	map(lambda family: family.LoadFamily(document, FamilyOption()),
	families)

map(lambda x: x.Close(False), families)
map(lambda x: x.Close(True), documents)

# output assigned to the OUT variable
OUT = [paths, docpaths]
	
#core data processing
for path in paths:
	try:
		famDoc = app.OpenDocumentFile(path)
		famDoc.LoadFamily(doc, FamilyOption())
		famDoc.Close(False)
	except:
		pass

#output assigned the OUT variable
OUT = paths



CODE_04_LOAD FAMILIES

import clr
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *

clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument
uiapp = DocumentManager.Instance.CurrentUIApplication
app = uiapp.Application

#input assigned the IN variable
paths = IN[0]

#wrap input inside a list (if not a list)
if not isinstance(paths, list): paths = [paths]

#ensure loaded families can overwrite existing families.
class FamilyOption(IFamilyLoadOptions):
	def OnFamilyFound(self, familyInUse, overwriteParameterValues):
		overwriteParameterValues = True
		return True

	def OnSharedFamilyFound(self, sharedFamily, familyInUse, source, overwriteParameterValues):
		source = FamilySource.Family
		overwriteParameterValues = True
		return True

#core data processing
for path in paths:
	try:
		famDoc = app.OpenDocumentFile(path)
		famDoc.LoadFamily(doc, FamilyOption())
		famDoc.Close(False)
	except:
		pass

#output assigned the OUT variable
OUT = paths