Commit c9b94d38 authored by Renán Sosa Guillen's avatar Renán Sosa Guillen

Merge branch 'dev' of http://gitlab.geoint.mx/m3/crawlersNoticias into dev

parents 5b5536f4 8dda8d2b
# -*- 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 NoticiasItem(scrapy.Item):
# define the fields for your item here like:
# name = scrapy.Field()
title = scrapy.Field()
text = scrapy.Field()
date = scrapy.Field()
location = scrapy.Field()
author = scrapy.Field()
topic = scrapy.Field()
url = scrapy.Field()
# -*- coding: utf-8 -*-
# Define here the models for your spider middleware
#
# See documentation in:
# https://doc.scrapy.org/en/latest/topics/spider-middleware.html
from scrapy import signals
class DiariodechiapasSpiderMiddleware(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(self, 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(self, 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(self, 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(self, 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)
class DiariodechiapasDownloaderMiddleware(object):
# Not all methods need to be defined. If a method is not defined,
# scrapy acts as if the downloader 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_request(self, request, spider):
# Called for each request that goes through the downloader
# middleware.
# Must either:
# - return None: continue processing this request
# - or return a Response object
# - or return a Request object
# - or raise IgnoreRequest: process_exception() methods of
# installed downloader middleware will be called
return None
def process_response(self, request, response, spider):
# Called with the response returned from the downloader.
# Must either;
# - return a Response object
# - return a Request object
# - or raise IgnoreRequest
return response
def process_exception(self, request, exception, spider):
# Called when a download handler or a process_request()
# (from other downloader middleware) raises an exception.
# Must either:
# - return None: continue processing this exception
# - return a Response object: stops process_exception() chain
# - return a Request object: stops process_exception() chain
pass
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
import json
from collections import OrderedDict
class JsonWriterPipeline(object):
def __init__(self, filename):
self.filename = filename
@classmethod
def from_crawler(cls, crawler):
# Here you get whatever value was passed through the "filename" command line parameter
settings = crawler.settings
filename = settings.get('filename')
# Instantiate the pipeline with the file name
return cls(filename)
def open_spider(self, spider):
self.counter = 0
self.file = open(self.filename, 'w')
self.file.write("[")
def close_spider(self, spider):
self.file.write("]")
self.file.close()
def process_item(self, item, spider):
# print("this is my item", item)
row = []
try:
row.append(("date", item['date']))
except:
pass
try:
row.append(("topic", item['topic']))
except:
pass
try:
row.append(("title", item['title']))
except:
pass
try:
row.append(("author", item['author']))
except:
pass
try:
row.append(("location", item['location']))
except:
pass
try:
row.append(("text", item['text']))
except:
pass
try:
row.append(("url", item['url']))
except:
pass
line = OrderedDict(row)
self.counter += 1
if self.counter == 1:
self.file.write(json.dumps(line))
elif self.counter > 1:
self.file.write(",\n" + json.dumps(line))
return item
# -*- coding: utf-8 -*-
# Scrapy settings for diarioDeChiapas project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# https://doc.scrapy.org/en/latest/topics/settings.html
# https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
# https://doc.scrapy.org/en/latest/topics/spider-middleware.html
BOT_NAME = 'diarioDeChiapas'
SPIDER_MODULES = ['diarioDeChiapas.spiders']
NEWSPIDER_MODULE = 'diarioDeChiapas.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'diarioDeChiapas (+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 https://doc.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
DOWNLOAD_DELAY = 0.5
# 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 https://doc.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'diarioDeChiapas.middlewares.DiariodechiapasSpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'diarioDeChiapas.middlewares.DiariodechiapasDownloaderMiddleware': 543,
#}
# Enable or disable extensions
# See https://doc.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
# 'scrapy.extensions.telnet.TelnetConsole': None,
#}
# Configure item pipelines
# See https://doc.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
'diarioDeChiapas.pipelines.JsonWriterPipeline': 300,
}
# Enable and configure the AutoThrottle extension (disabled by default)
# See https://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 https://doc.scrapy.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.
# -*- coding: utf-8 -*-
"""
MEDIA:
Amandala, Belice
USAGE
$ cd diarioDeChiapas
// Si se quiere obtener todas las noticias desde las más actuales hasta las más antiguas. //
$ scrapy crawl noticias --nolog -s filename=noticias.json
-------------------------------------------------------------------------------------------------
// Si se quiere obtener todas las noticias desde las más actuales hasta una fecha específica. //
$ scrapy crawl noticias --nolog -s filename=noticias.json -a year=2018 -a month=3 -a day=5
-------------------------------------------------------------------------------------------------
Después será necesario hacer uso del archivo parse_date_files.py para que las noticias contenidas
en noticias.json sean separadas en archivos por fecha.
"""
import scrapy, re, json
from datetime import datetime, date
from diarioDeChiapas.items import NoticiasItem
TAG_RE = re.compile(r'<[^>]+>')
def remove_tags(text):
return TAG_RE.sub('', text)
DAT_RE = re.compile(r'\d{4}\/\d{2}\/\d{2}')
class ImportantData(scrapy.Item):
continue_searching = scrapy.Field()
last_link = scrapy.Field()
section = 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)
if year is not None and month is not None and day is not None:
self.stopDate = date(int(year), int(month), int(day))
else:
self.stopDate = None
baseURL = "http://www.diariodechiapas.com/landing/"
section_list = ["editorial", "portada", "metropoli", "region", "la-roja",
"deportes", "boga", "ae", "opinion-dia", "trascendio"]
# section_list = ["editorial"]
if self.stopDate is None:
for s in section_list:
yield scrapy.Request(url=baseURL + s, callback=self.parse)
else:
for s in section_list:
flow_info = ImportantData()
flow_info['continue_searching'] = False
request = scrapy.Request(url=baseURL + s, callback=self.parse_with_stop_date)
request.meta['item'] = flow_info
yield request
def parse(self, response):
link_list = response.xpath('//section[@class="page__content"]').css('section.post').xpath('./a[@class="post__link"]/@href').extract()
section = response.xpath('//section[@class="wrapper"]/h1').extract_first()
if section is not None : section = remove_tags(section)
for link in link_list:
flow_info = ImportantData()
flow_info['section'] = section
request = scrapy.Request(url=link, callback=self.parse_item)
request.meta['item'] = flow_info
yield request
next_page = response.css('div.wp-pagenavi').css('a.nextpostslink').css('::attr(href)').extract_first()
if next_page is not None:
yield scrapy.Request(url=next_page, callback=self.parse)
def parse_with_stop_date(self, response):
flow_info = response.meta['item']
if not flow_info['continue_searching']:
link_list = response.xpath('//section[@class="page__content"]').css('section.post').xpath('./a[@class="post__link"]/@href').extract()
for link in link_list:
flow_info = ImportantData()
flow_info['url'] = response.url
if link == link_list[-1] : flow_info['last_link'] = True
else: flow_info['last_link'] = False
request = scrapy.Request(url=link, callback=self.parse_item_with_stop_date)
request.meta['item'] = flow_info
yield request
else:
next_page = response.css('div.wp-pagenavi').css('a.nextpostslink').css('::attr(href)').extract_first()
if next_page is not None:
flow_info['continue_searching'] = False
request = scrapy.Request(url=next_page, callback=self.parse_with_stop_date)
request.meta['item'] = flow_info
yield request
def parse_item(self, response):
flow_info = response.meta['item']
item = NoticiasItem()
text = ''
title = response.xpath('//section[@class="single__content"]/h1').extract_first()
if title is not None : title = remove_tags(title)
for p in response.xpath('//section[@class="single__content"]').css('p').extract():
text += remove_tags(p) + "\n"
item['date'] = response.xpath('//meta[@property="article:published_time"]/@content').extract_first()
item['topic'] = flow_info['section']
item['title'] = title
item['text'] = text.strip()
item['url'] = response.url
yield item
def parse_item_with_stop_date(self, response):
d = response.xpath('//meta[@property="article:published_time"]/@content').extract_first()
dt = datetime.strptime(d, '%Y-%m-%d').date()
if dt >= self.stopDate:
flow_info = response.meta['item']
item = NoticiasItem()
text = ''
item['date'] = datetime.strptime(d, '%Y-%m-%d').isoformat("T")
item['title'] = remove_tags(response.xpath('//div[@class="active"]/h1/a').extract_first())
try:
topic = response.css('div.date').css('span.date').css('a::text').extract()[0]
except:
topic = None
item['topic'] = topic
for p in response.css('div.content').css('p').extract():
text += remove_tags(p) + "\n"
item['text'] = text.strip()
item['url'] = response.url
yield item
if flow_info['last_link']:
flow_info['continue_searching'] = True
request = scrapy.Request(url=flow_info['url'], callback=self.parse_with_stop_date, dont_filter=True)
request.meta['item'] = flow_info
yield request
# Automatically created by: scrapy startproject
#
# For more information about the [deploy] section see:
# https://scrapyd.readthedocs.io/en/latest/deploy.html
[settings]
default = diarioDeChiapas.settings
[deploy]
#url = http://localhost:6800/
project = diarioDeChiapas
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