Commit 356cc80b authored by Renán Sosa Guillen's avatar Renán Sosa Guillen

crawlers

parent 3a860c4d
import scrapy, re
from datetime import datetime
"""
Esta version se encarga de la descarga de la pagina de La Jornada Guerrero
con url: 'http://www.lajornadaguerrero.com.mx/'
Esta version se encarga de la descarga de la nueva pagina de La Jornada Guerrero
con url: 'http://www.lajornadaguerrero.com.mx'
Esta version tiene noticias a partir del 2017.08.15
Uso:
scrapy crawl noticias -t json --nolog -o noticias.json -a year=2017 -a month=3 -a day=22
scrapy crawl noticias -t json --nolog -o noticias.json -a year=2017 -a month=9 -a day=17
"""
TAG_RE = re.compile(r'<[^>]+>')
......@@ -23,59 +25,73 @@ class NoticiasItem(scrapy.Item):
topic = scrapy.Field()
url = scrapy.Field()
class QuotesSpider(scrapy.Spider):
name = "noticias"
def start_requests(self):
self.link_list = []
self.year = getattr(self, 'year', None)
self.month = getattr(self, 'month', None)
self.day = getattr(self, 'day', None)
self.baseURL='http://www.lajornadaguerrero.com.mx/'+self.year+'/'+self.month.zfill(2)+'/'+self.day.zfill(2)
urls = [
self.baseURL,
]
for url in urls:
yield scrapy.Request(url=url, callback=self.parse)
year = getattr(self, 'year', None)
month = getattr(self, 'month', None)
day = getattr(self, 'day', None)
self.parse_month = {'Ene': '01', 'Feb': '02', 'Mar': '03', 'Abr': '04', 'May': '05', 'Jun': '06',
'Jul': '07', 'Ago': '08', 'Sep': '09', 'Oct': '10', 'Nov': '11', 'Dic': '12'}
# self.baseURL = 'http://www.ljg.com.mx'
self.baseURL = 'http://www.lajornadaguerrero.com.mx'
url = '/index.php?option=com_k2&view=itemlist&task=date&year='+year+'&month='+month+'&day='+day+'&Itemid=588'
yield scrapy.Request(url=self.baseURL+url, callback=self.parse)
def parse(self, response):
paths = ['//div[@class="viewlet"]/h1/a/@href', '//div[@class="viewlet"]/h2/a/@href',
'//div[@class="viewlet"]/h3/a/@href', '//div[@class="viewlet image"]/h1/a/@href',
'//div[@class="viewlet image"]/h2/a/@href', '//div[@class="viewlet image"]/h3/a/@href',
'//div[@class="text_block_200"]/p/a/@href']
for path in paths:
links = response.xpath(path).extract()
if ( len(links) > 0 ):
for link in links:
if not ( link in self.link_list ):
self.link_list.append(link)
yield scrapy.Request(url=self.baseURL+'/'+link, callback=self.parse_item)
for link in response.xpath('//*[@class="text_block_200"]/h2/a/@href').extract():
yield scrapy.Request(url=self.baseURL+'/'+link, callback=self.parse_page)
pagination = response.xpath('//ul[@class="pagination"]/li/a/@href').extract()[:-2]
if len(pagination) > 0:
pagination.insert(0, response.url)
for page in range(0, len(pagination)):
if page == 0:
yield scrapy.Request(url=pagination[page], callback=self.parse_page, dont_filter=True)
elif page > 0:
yield scrapy.Request(url=self.baseURL+pagination[page], callback=self.parse_page)
else:
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
def parse_page(self, response):
paths = ['//*[@id="article_list"]/h2/a/@href',
'//*[@id="article_list"]/h3/a/@href']
for path in paths:
for link in response.xpath(path).extract():
if not ( link in self.link_list ):
yield scrapy.Request(url=self.baseURL+'/'+link, callback=self.parse_item)
for li in response.xpath('//*[@class="genericItemView"]/div[@class="genericItemHeader"]/h2/a/@href').extract():
yield scrapy.Request(url=self.baseURL+li, callback=self.parse_item)
def parse_item(self, response):
print response.url
item = NoticiasItem()
path_list = ['//*[@class="itemIntroText"]/p', '//*[@class="itemFullText"]/p']
text = ''
item['date'] = self.year+'-'+self.month.zfill(2)+'-'+self.day.zfill(2)
item['title'] = response.xpath('//*[@class="documentContent"]/h1/text()').extract_first()
item['topic'] = response.xpath('//*[@id="portal-breadcrumbs"]/a[2]/text()').extract()
for paragraph in response.xpath('//*[@class="documentContent"]/p/text()').extract():
text += paragraph
d = response.xpath('//span[@class="itemDateCreated"]/text()').extract_first()
if d is not None:
d = d.replace('\n','')
d = d.replace('\t','')
d = d.replace(',','')
m = d[:d.find(' ')]
d = d.replace(m, self.parse_month[m])
item['date'] = datetime.strptime(d, '%m %d %Y').date()
title = response.xpath('//*[@class="itemHeader"]/h2/text()').extract_first()
if title is not None:
title = title.replace('\n','')
title = title.replace('\t','')
item['title'] = title
item['topic'] = response.xpath('//*[@class="itemCategory"]/a/text()').extract_first()
for path in path_list:
for p in response.xpath(path).extract():
text += remove_tags(p)
item['text'] = text
item['url'] = response.url
# print item['title']
# print item['url']
yield item
# -*- coding: utf-8 -*-
# Define here the models for your scraped items
#
# See documentation in:
# http://doc.scrapy.org/en/latest/topics/items.html
import scrapy
class Lajornadagro2Item(scrapy.Item):
# define the fields for your item here like:
# name = scrapy.Field()
pass
# -*- coding: utf-8 -*-
# Define here the models for your spider middleware
#
# See documentation in:
# http://doc.scrapy.org/en/latest/topics/spider-middleware.html
from scrapy import signals
class Lajornadagro2SpiderMiddleware(object):
# Not all methods need to be defined. If a method is not defined,
# scrapy acts as if the spider middleware does not modify the
# passed objects.
@classmethod
def from_crawler(cls, crawler):
# This method is used by Scrapy to create your spiders.
s = cls()
crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
return s
def process_spider_input(response, spider):
# Called for each response that goes through the spider
# middleware and into the spider.
# Should return None or raise an exception.
return None
def process_spider_output(response, result, spider):
# Called with the results returned from the Spider, after
# it has processed the response.
# Must return an iterable of Request, dict or Item objects.
for i in result:
yield i
def process_spider_exception(response, exception, spider):
# Called when a spider or process_spider_input() method
# (from other spider middleware) raises an exception.
# Should return either None or an iterable of Response, dict
# or Item objects.
pass
def process_start_requests(start_requests, spider):
# Called with the start requests of the spider, and works
# similarly to the process_spider_output() method, except
# that it doesn’t have a response associated.
# Must return only requests (not items).
for r in start_requests:
yield r
def spider_opened(self, spider):
spider.logger.info('Spider opened: %s' % spider.name)
# -*- coding: utf-8 -*-
# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: http://doc.scrapy.org/en/latest/topics/item-pipeline.html
class Lajornadagro2Pipeline(object):
def process_item(self, item, spider):
return item
# -*- coding: utf-8 -*-
# Scrapy settings for laJornadaGro2 project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# http://doc.scrapy.org/en/latest/topics/settings.html
# http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
# http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
BOT_NAME = 'laJornadaGro2'
SPIDER_MODULES = ['laJornadaGro2.spiders']
NEWSPIDER_MODULE = 'laJornadaGro2.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'laJornadaGro2 (+http://www.yourdomain.com)'
# Obey robots.txt rules
ROBOTSTXT_OBEY = True
# Configure maximum concurrent requests performed by Scrapy (default: 16)
#CONCURRENT_REQUESTS = 32
# Configure a delay for requests for the same website (default: 0)
# See http://scrapy.readthedocs.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
#DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16
# Disable cookies (enabled by default)
COOKIES_ENABLED = False
# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False
# Override the default request headers:
#DEFAULT_REQUEST_HEADERS = {
# 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
# 'Accept-Language': 'en',
#}
# Enable or disable spider middlewares
# See http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'laJornadaGro2.middlewares.Lajornadagro2SpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'laJornadaGro2.middlewares.MyCustomDownloaderMiddleware': 543,
#}
# Enable or disable extensions
# See http://scrapy.readthedocs.org/en/latest/topics/extensions.html
#EXTENSIONS = {
# 'scrapy.extensions.telnet.TelnetConsole': None,
#}
# Configure item pipelines
# See http://scrapy.readthedocs.org/en/latest/topics/item-pipeline.html
#ITEM_PIPELINES = {
# 'laJornadaGro2.pipelines.Lajornadagro2Pipeline': 300,
#}
# Enable and configure the AutoThrottle extension (disabled by default)
# See http://doc.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False
# Enable and configure HTTP caching (disabled by default)
# See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = 'httpcache'
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'
# This package will contain the spiders of your Scrapy project
#
# Please refer to the documentation for information on how to create and manage
# your spiders.
import scrapy, re
from datetime import datetime
"""
Esta version se encarga de la descarga de la nueva pagina de La Jornada Guerrero
con url: 'http://www.ljg.com.mx'
Esta versión tiene noticias a partir del 2017.08.15
Uso:
scrapy crawl noticias -t json --nolog -o noticias.json -a year=2017 -a month=9 -a day=17
"""
TAG_RE = re.compile(r'<[^>]+>')
def remove_tags(text):
return TAG_RE.sub('', text)
class NoticiasItem(scrapy.Item):
title = scrapy.Field()
text = scrapy.Field()
date = scrapy.Field()
location = scrapy.Field()
author = scrapy.Field()
topic = scrapy.Field()
url = scrapy.Field()
class QuotesSpider(scrapy.Spider):
name = "noticias"
def start_requests(self):
year = getattr(self, 'year', None)
month = getattr(self, 'month', None)
day = getattr(self, 'day', None)
self.parse_month = {'Ene': '01', 'Feb': '02', 'Mar': '03', 'Abr': '04', 'May': '05', 'Jun': '06',
'Jul': '07', 'Ago': '08', 'Sep': '09', 'Oct': '10', 'Nov': '11', 'Dic': '12'}
self.baseURL = 'http://www.ljg.com.mx'
url = '/index.php?option=com_k2&view=itemlist&task=date&year='+year+'&month='+month+'&day='+day+'&Itemid=588'
yield scrapy.Request(url=self.baseURL+url, callback=self.parse)
def parse(self, response):
pagination = response.xpath('//ul[@class="pagination"]/li/a/@href').extract()[:-2]
if len(pagination) > 0:
pagination.insert(0, response.url)
for page in range(0, len(pagination)):
if page == 0:
yield scrapy.Request(url=pagination[page], callback=self.parse_page, dont_filter=True)
elif page > 0:
yield scrapy.Request(url=self.baseURL+pagination[page], callback=self.parse_page)
else:
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
def parse_page(self, response):
for li in response.xpath('//*[@class="genericItemView"]/div[@class="genericItemHeader"]/h2/a/@href').extract():
yield scrapy.Request(url=self.baseURL+li, callback=self.parse_item)
def parse_item(self, response):
print response.url
item = NoticiasItem()
path_list = ['//*[@class="itemIntroText"]/p', '//*[@class="itemFullText"]/p']
text = ''
d = response.xpath('//span[@class="itemDateCreated"]/text()').extract_first()
if d is not None:
d = d.replace('\n','')
d = d.replace('\t','')
d = d.replace(',','')
m = d[:d.find(' ')]
d = d.replace(m, self.parse_month[m])
item['date'] = datetime.strptime(d, '%m %d %Y').date()
title = response.xpath('//*[@class="itemHeader"]/h2/text()').extract_first()
if title is not None:
title = title.replace('\n','')
title = title.replace('\t','')
item['title'] = title
item['topic'] = response.xpath('//*[@class="itemCategory"]/a/text()').extract_first()
for path in path_list:
for p in response.xpath(path).extract():
text += remove_tags(p)
item['text'] = text
item['url'] = response.url
# print item['url']
yield item
# Automatically created by: scrapy startproject
#
# For more information about the [deploy] section see:
# https://scrapyd.readthedocs.org/en/latest/deploy.html
[settings]
default = laJornadaGro2.settings
[deploy]
#url = http://localhost:6800/
project = laJornadaGro2
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment