text: from __future__ import print_function
  
  import scrapy
  from scrapy.commands import ScrapyCommand
  from scrapy.utils.versions import scrapy_components_versions
  
  
  class Command(ScrapyCommand):
  
      default_settings = {'LOG_ENABLED': False,
                          'SPIDER_LOADER_WARN_ONLY': True}
  
      def syntax(self):
          return "[-v]"
  
      def short_desc(self):
          return "Print Scrapy version"
  
      def add_options(self, parser):
          ScrapyCommand.add_options(self, parser)
          parser.add_option("--verbose", "-v", dest="verbose", action="store_true",
              help="also display twisted/python/platform info (useful for bug reports)")
  
      def run(self, args, opts):
          if opts.verbose:
              versions = scrapy_components_versions()
              width = max(len(n) for (n, _) in versions)
              patt = "%-{}s : %s".format(width)
              for name, version in versions:
                  print(patt % (name, version))
          else:
              print("Scrapy %s" % scrapy.__version__)
  
  