Commit e03b25b6 authored by Renán Sosa Guillen's avatar Renán Sosa Guillen

Ajustes.

parent 19354479
...@@ -78,11 +78,20 @@ Se incluyen los siguientes medios: ...@@ -78,11 +78,20 @@ Se incluyen los siguientes medios:
```bash ```bash
cd laJornadaBC cd laJornadaBC
scrapy crawl noticias -t json --nolog -o noticias.json -a seccion=<categoria> scrapy crawl noticias -t json --nolog -o noticias.json -a year=2017 -a month=4 -a day=26
```
No se encontró notas antes del 2015.02.09.
Esta versión descarga por fecha. Se recomienda usar principalmente para fechas recientes.
* [La Jornada Baja California 2](http://jornadabc.mx)
donde <categoria> puede ser uno de los siguientes: Uso:
[ baja-california, chihuahua, mexico, mundo, cultura, espectaculos, deportes ]
```bash
cd laJornadaBC2
scrapy crawl noticias -t json --nolog -o noticias.json
``` ```
Esta versión descarga todas las noticias de cada las categorías.
* [La Jornada Guerrero](http://www.lajornadaguerrero.com.mx) * [La Jornada Guerrero](http://www.lajornadaguerrero.com.mx)
......
...@@ -8,6 +8,7 @@ TAG_RE = re.compile(r'<[^>]+>') ...@@ -8,6 +8,7 @@ TAG_RE = re.compile(r'<[^>]+>')
def remove_tags(text): def remove_tags(text):
return TAG_RE.sub('', text) return TAG_RE.sub('', text)
class NoticiasItem(scrapy.Item): class NoticiasItem(scrapy.Item):
title = scrapy.Field() title = scrapy.Field()
text = scrapy.Field() text = scrapy.Field()
...@@ -17,19 +18,21 @@ class NoticiasItem(scrapy.Item): ...@@ -17,19 +18,21 @@ class NoticiasItem(scrapy.Item):
topic = scrapy.Field() topic = scrapy.Field()
url = scrapy.Field() url = scrapy.Field()
class QuotesSpider(scrapy.Spider): class QuotesSpider(scrapy.Spider):
name = "noticias" name = "noticias"
def start_requests(self): def start_requests(self):
year = getattr(self, 'year', None) year = getattr(self, 'year', None)
month = getattr(self, 'month', None) month = getattr(self, 'month', None)
day = getattr(self, 'day', None) day = getattr(self, 'day', None)
self.baseURL='http://www.lja.mx/'+year+'/'+month+'/'+day self.baseURL='http://www.lja.mx/'+year+'/'+month.zfill(2)+'/'+day.zfill(2)
urls = [ urls = [
self.baseURL, self.baseURL,
] ]
for url in urls: for url in urls:
yield scrapy.Request(url=url, callback=self.parse) yield scrapy.Request(url=url, callback=self.parse)
def parse(self, response): def parse(self, response):
pagination = response.css('div.pagination').css('a::attr(href)').extract() pagination = response.css('div.pagination').css('a::attr(href)').extract()
if ( len(pagination) > 0 ): if ( len(pagination) > 0 ):
...@@ -39,14 +42,16 @@ class QuotesSpider(scrapy.Spider): ...@@ -39,14 +42,16 @@ class QuotesSpider(scrapy.Spider):
if ( page == 0 ): if ( page == 0 ):
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True) yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
else: else:
yield scrapy.Request(url=response.url+"/page/"+str(page+1), callback=self.parse_page) yield scrapy.Request(url=self.baseURL+"/page/"+str(page+1), callback=self.parse_page)
else: else:
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True) yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
def parse_page(self, response): def parse_page(self, response):
for link in response.xpath('//li[@class="infinite-post"]/a/@href').extract(): for link in response.xpath('//li[@class="infinite-post"]/a/@href').extract():
yield scrapy.Request(url=link, callback=self.parse_item) yield scrapy.Request(url=link, callback=self.parse_item)
def parse_item(self, response): def parse_item(self, response):
item = NoticiasItem() item = NoticiasItem()
text = '' text = ''
......
import scrapy import scrapy
# scrapy crawl noticias -t json --nolog -o noticias.json -a seccion=<categoria> """
USO:
# donde <categoria> es una de las siguientes: scrapy crawl noticias -t json --nolog -o noticias.json -a year=2017 -a month=2 -a day=21
# [ baja-california, chihuahua, mexico, mundo, """
# cultura, espectaculos, deportes ]
import re import re
...@@ -26,27 +26,50 @@ class NoticiasItem(scrapy.Item): ...@@ -26,27 +26,50 @@ class NoticiasItem(scrapy.Item):
class QuotesSpider(scrapy.Spider): class QuotesSpider(scrapy.Spider):
name = 'noticias' name = 'noticias'
def start_requests(self): def start_requests(self):
self.section = getattr(self, 'seccion', None) self.section = ''
self.baseURL='http://jornadabc.mx' self.page = 0
# section_list = self.count = 0
# for section in section_list: self.found = False
# self.section = section self.year = getattr(self, 'year', None)
yield scrapy.Request(url=self.baseURL+'/seccion/'+self.section, callback=self.parse) self.month = getattr(self, 'month', None)
self.day = getattr(self, 'day', None)
self.baseURL = 'http://jornadabc.mx'
section_list = ['baja-california', 'chihuahua', 'mexico', 'mundo'
'cultura', 'espectaculos', 'deportes']
for section in section_list:
self.section = section
self.page = 0
self.count = 0
page = -1
while True:
if ( self.found ):
break
page += 1
yield scrapy.Request(url=self.baseURL+'/seccion/'+section+'?page='+str(page), callback=self.parse, dont_filter=True)
self.page -= self.count
if ( self.page > 0 ):
self.page -= 1
for pag in range(self.page, self.page+25):
yield scrapy.Request(url=self.baseURL+'/seccion/'+section+'?page='+str(pag), callback=self.parse_page, dont_filter=True)
def parse(self, response): def parse(self, response):
pagination = response.xpath('//ul[@class="pager"]/li[@class="pager-last odd last"]/a/@href').extract() if ( self.section == 'espectaculos' or self.section == 'deportes' ):
if ( len(pagination) > 0 ): path = '//*[@class="region region-soft-first"]'
pagination = pagination[0]
pages = int(pagination[pagination.rfind('=')+1:])
for page in range(0, pages):
if ( page == 0 ):
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
else:
yield scrapy.Request(url=self.baseURL+'/seccion/'+self.section+'?page='+str(page), callback=self.parse_page, dont_filter=True)
else: else:
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True) path = '//*[@class="region region-hard-first"]'
for link in response.xpath(path).css('div.views-row').xpath('./*[@class="views-field views-field-title"]/span[@class="field-content"]/a/@href').extract():
link_date = link[:link.rfind('/')][link[:link.rfind('/')].rfind('/')+1:] # filtra la fecha del link
if ( link_date == self.day.zfill(2)+'-'+self.month.zfill(2)+'-'+self.year ):
self.page = int(response.url[response.url.rfind('=')+1:])
self.count += 1
self.found = True
break
def parse_page(self, response): def parse_page(self, response):
...@@ -56,6 +79,8 @@ class QuotesSpider(scrapy.Spider): ...@@ -56,6 +79,8 @@ class QuotesSpider(scrapy.Spider):
path = '//*[@class="region region-hard-first"]' path = '//*[@class="region region-hard-first"]'
for link in response.xpath(path).css('div.views-row').xpath('./*[@class="views-field views-field-title"]/span[@class="field-content"]/a/@href').extract(): for link in response.xpath(path).css('div.views-row').xpath('./*[@class="views-field views-field-title"]/span[@class="field-content"]/a/@href').extract():
link_date = link[:link.rfind('/')][link[:link.rfind('/')].rfind('/')+1:] # filtra la fecha del link
if ( link_date == self.day.zfill(2)+'-'+self.month.zfill(2)+'-'+self.year ):
yield scrapy.Request(url=self.baseURL+link, callback=self.parse_item) yield scrapy.Request(url=self.baseURL+link, callback=self.parse_item)
...@@ -74,5 +99,5 @@ class QuotesSpider(scrapy.Spider): ...@@ -74,5 +99,5 @@ class QuotesSpider(scrapy.Spider):
text += paragraph text += paragraph
item['text'] = text item['text'] = text
item['url'] = response.url item['url'] = response.url
print item['title'] # print item['title']
yield item yield item
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# -*- 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 Lajornadabc2Item(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 Lajornadabc2SpiderMiddleware(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 Lajornadabc2Pipeline(object):
def process_item(self, item, spider):
return item
# -*- coding: utf-8 -*-
# Scrapy settings for laJornadaBC2 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 = 'laJornadaBC2'
SPIDER_MODULES = ['laJornadaBC2.spiders']
NEWSPIDER_MODULE = 'laJornadaBC2.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'laJornadaBC2 (+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 = {
# 'laJornadaBC2.middlewares.Lajornadabc2SpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'laJornadaBC2.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 = {
# 'laJornadaBC2.pipelines.Lajornadabc2Pipeline': 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
"""
USO:
scrapy crawl noticias -t json --nolog -o noticias.json
"""
import re
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):
self.section = ''
self.baseURL = 'http://jornadabc.mx'
section_list = ['baja-california', 'chihuahua', 'mexico', 'mundo'
'cultura', 'espectaculos', 'deportes']
for section in section_list:
self.section = section
yield scrapy.Request(url=self.baseURL+'/seccion/'+section, callback=self.parse)
def parse(self, response):
pagination = response.xpath('//ul[@class="pager"]/li[@class="pager-last odd last"]/a/@href').extract()
if ( len(pagination) > 0 ):
pagination = pagination[0]
pages = int(pagination[pagination.rfind('=')+1:])
for page in range(0, pages):
if ( page == 0 ):
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
else:
yield scrapy.Request(url=self.baseURL+'/seccion/'+self.section+'?page='+str(page), callback=self.parse_page, dont_filter=True)
else:
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
def parse_page(self, response):
if ( self.section == 'espectaculos' or self.section == 'deportes' ):
path = '//*[@class="region region-soft-first"]'
else:
path = '//*[@class="region region-hard-first"]'
for link in response.xpath(path).css('div.views-row').xpath('./*[@class="views-field views-field-title"]/span[@class="field-content"]/a/@href').extract():
yield scrapy.Request(url=self.baseURL+link, callback=self.parse_item)
def parse_item(self, response):
item = NoticiasItem()
text = ''
item['date'] = response.xpath('//meta[@property="article:published_time"]/@content').extract_first()
title = response.xpath('//*[@class="block-content"]/h1/a/text()').extract()
if ( len(title) > 0 ):
item['title'] = title[0]
else:
item['title'] = response.xpath('//*[@class="block-content"]/h1/text()').extract_first()
item['topic'] = response.xpath('//span[@class="section"]/text()').extract_first()
for paragraph in response.xpath('//*[@class="field-item even"]/p/text()').extract():
text += paragraph
item['text'] = text
item['url'] = response.url
# print item['title']
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 = laJornadaBC2.settings
[deploy]
#url = http://localhost:6800/
project = laJornadaBC2
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