remote_api_example.py

f = open('/path/csv.txt', 'r') 
entities = []

for line in f:
    arg1, arg2, arg3 = line.split(',')
    data = models.SomeData(arg1=arg1, arg2=arg2, arg3=arg3)
    entities.append(data)
    if len(entities) > 40:
        db.put(entities)
        entities = []

db.put(entities)