scrapy custom command

Custom command

• Create any directory spiders at the same level, such as: commands
• In which to create crawlall.py file (where filename is the custom command)
• 

   1 from scrapy.commands import ScrapyCommand
   2     from scrapy.utils.project import get_project_settings
   3 
   4 
   5     class Command(ScrapyCommand):
   6 
   7         requires_project = True
   8 
   9         def syntax(self):
  10             return '[options]'
  11 
  12         def short_desc(self):
  13             return 'Runs all of the spiders'
  14 
  15         def run(self, args, opts):
  16             spider_list = self.crawler_process.spiders.list()
  17             for name in spider_list:
  18                 self.crawler_process.crawl(name, **opts.__dict__)
  19             self.crawler_process.start()

  crawlall.py

• In settings.py add configuration COMMANDS_MODULE = 'project name. Directory name'
• In the project directory execute the command: scrapy crawlall

 Single reptiles:

import sys
from scrapy.cmdline import execute

if __name__ == '__main__':
    execute(["scrapy","crawl","chouti","--nolog"])