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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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