How do I change shell text to save to a CSV output? - scrapy

Question

I am trying to make this code output to a csv file when calling the spider with -o output.csv
# -*- coding: utf-8 -*-
import scrapy
from scrapy.spiders import SitemapSpider
from scrapy.spiders import Spider
from scrapy.http import Request, XmlResponse
from scrapy.utils.sitemap import Sitemap, sitemap_urls_from_robots
from scrapy.utils.gz import gunzip, is_gzipped
import re
import requests
class GetpagesfromsitemapSpider(SitemapSpider):
name = "test"
handle_httpstatus_list = [404]
def parse(self, response):
print response.url
def _parse_sitemap(self, response):
if response.url.endswith('/robots.txt'):
for url in sitemap_urls_from_robots(response.body):
yield Request(url, callback=self._parse_sitemap)
else:
body = self._get_sitemap_body(response)
if body is None:
self.logger.info('Ignoring invalid sitemap: %s', response.url)
return
s = Sitemap(body)
sites = []
if s.type == 'sitemapindex':
for loc in iterloc(s, self.sitemap_alternate_links):
if any(x.search(loc) for x in self._follow):
yield Request(loc, callback=self._parse_sitemap)
elif s.type == 'urlset':
for loc in iterloc(s):
for r, c in self._cbs:
if r.search(loc):
sites.append(loc)
break
print sites
def __init__(self, spider=None, *a, **kw):
super(GetpagesfromsitemapSpider, self).__init__(*a, **kw)
self.spider = spider
l = []
url = "https://channelstore.roku.com"
resp = requests.head(url + "/sitemap.xml")
if (resp.status_code != 404):
l.append(resp.url)
else:
resp = requests.head(url + "/robots.txt")
if (resp.status_code == 200):
l.append(resp.url)
self.sitemap_urls = l
print self.sitemap_urls
def iterloc(it, alt=False):
for d in it:
yield d['loc']
# Also consider alternate URLs (xhtml:link rel="alternate")
if alt and 'alternate' in d:
for l in d['alternate']:
yield l
I have tried changing the print response url on line 18 to a few things but I cant seem to make this script output to a CSV, all I can manage is seeing the exact information I want but on the terminal screen.
This code is from here but I am not working well with the easy part of completing the code.
Any help is greatly appreciated!

Answer 1

Not clear from your example, but it looks like you are not passing the command line arguments (-o) to your SitemapSpider.
A simpler solution, instead of passing the -o argument, is to just redirect your output to a file:
my_script.py > output.csv
OR
my_script.py | tee output.csv <-- this way will write to file, and also output in your terminal
EDIT:
Not the most efficient way, but without seeing a full script:
def parse(self, response):
with open('output.csv', 'a') as fh:
fh.write('{}\n'.format(response.url))
This will append each response.url to a new line in the output.csv file