scrapy/scrapy/command/commands/fetch.py

31 lines
929 B
Python

import pprint
from scrapy.command import ScrapyCommand
from scrapy.fetcher import fetch
class Command(ScrapyCommand):
def syntax(self):
return "[options] <url>"
def short_desc(self):
return "Fetch a URL using the Scrapy downloader"
def long_desc(self):
return "Fetch a URL using the Scrapy downloader and print its content to stdout. You may want to use --nolog to disable logging"
def add_options(self, parser):
ScrapyCommand.add_options(self, parser)
parser.add_option("--headers", dest="headers", action="store_true", help="print HTTP headers instead of body")
def run(self, args, opts):
if not args:
print "A URL is required"
return
responses = fetch(args)
if responses:
if opts.headers:
pprint.pprint(responses[0].headers)
else:
print responses[0].body