Update multiple doctypes (for cleanup)

update_doctypes.py

import webnotes

def do():
  webnotes.connect()
	for name in webnotes.conn.sql("""select name from tabDocType"""):
		doctype = webnotes.model_wrapper("DocType", name[0])
		changed = False
		if doctype.doclist.get({"doctype":"DocPerm", "permlevel":1}):
			doctype.doclist.remove_items({"doctype":"DocPerm", "permlevel":1})
			print doctype.doc.name
			doctype.save()
			webnotes.conn.commit()
			
if __name__=="__main__":
	do()