scrapy how to make my own scheduler middelware

问题

I am using Python 2.7 with Scrapy 0.20

My Question

How to build my own scheduler ?

What I have tried

I read through internet and I found this:

1. I have to make my own python class and assign it in the setting using SCHEDULER_MIDDLEWARES
2. Create that class,which is maybe inhertes from scrapy.core.scheduler

But I couldn't find any example on internet nor any official documentation

回答1:

You can set the SCHEDULER setting:

SCHEDULER = 'myproject.schedulers.MyScheduler'

and copy the code from scheduler.py.

来源：https://stackoverflow.com/questions/22414480/scrapy-how-to-make-my-own-scheduler-middelware