scrapy/scrapy/commands/version.py

33 lines
977 B
Python

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_argument(
"--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)
for name, version in versions:
print(f"{name:<{width}} : {version}")
else:
print(f"Scrapy {scrapy.__version__}")