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- 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__)
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