Commit 4be13ddf authored by Renán Sosa Guillen's avatar Renán Sosa Guillen

crawlers

parent 2ba4942b
# -*- 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()
twitter = scrapy.Field()
email = 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 DiariocolatinoSpiderMiddleware(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 DiariocolatinoDownloaderMiddleware(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(("twitter", item['twitter']))
except:
pass
try:
row.append(("email", item['email']))
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 diarioCoLatino 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 = 'diarioCoLatino'
SPIDER_MODULES = ['diarioCoLatino.spiders']
NEWSPIDER_MODULE = 'diarioCoLatino.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'diarioCoLatino (+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 = {
# 'diarioCoLatino.middlewares.DiariocolatinoSpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'diarioCoLatino.middlewares.DiariocolatinoDownloaderMiddleware': 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 = {
'diarioCoLatino.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 -*-
import scrapy, re
from diarioCoLatino.items import NoticiasItem
"""
MEDIO:
Diario Co Latino, El Salvador
USO:
scrapy crawl noticias --nolog -s filename=2018-02-23.json -a year=2018 -a month=2 -a day=23
"""
TAG_RE = re.compile(r'<[^>]+>')
def remove_tags(text):
return TAG_RE.sub('', text)
AUTH_RE = re.compile(r'\nPor.+?\n')
TW_RE = re.compile(r'\n((\| )?Twitter:\s+)?@[\w.%+-]+.\n', re.I)
LOC_RE = re.compile(r'\n.*?\/(PL|AFP|DPA|SIGNIS ALC)\n', re.I)
EM_RE = re.compile(r'\n((Email|Correo electr.{1,3}nico|Comentarios?):\s)?[\w.-]+@[\w-]+(\.[a-zA-Z]{2,6}){1,2}\s?\n')
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.baseURL = "https://www.diariocolatino.com/" + year + "/" + month.zfill(2) + "/" + day.zfill(2)
yield scrapy.Request(url=self.baseURL, callback=self.parse)
def parse(self, response):
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
pagination = response.xpath('//div[@class="pagination"]/a/@href').extract()
if len(pagination) > 0:
pagination = pagination[-1].strip('/')
pages = int(pagination[pagination.rfind('/') + 1:])
for page in range(1, pages):
yield scrapy.Request(url=self.baseURL + "/page/" + str(page + 1), callback=self.parse_page)
def parse_page(self, response):
for link in response.xpath('//div[@class="post-listing"]/article/h2/a/@href').extract():
yield scrapy.Request(url=link, callback=self.parse_item)
def parse_item(self, response):
item = NoticiasItem()
text = ''
"La fecha obtenida ya incluye formato y zona horaria"
item['date'] = response.xpath('//meta[@property="article:published_time"]/@content').extract_first()
item['title'] = remove_tags(response.css('h1.entry-title').css('span').extract_first()).strip()
item['topic'] = None
for p in response.xpath('//div[@class="entry"]/p').extract():
text += remove_tags(p) + "\n"
if text == '':
for p in response.xpath('//div[@class="entry"]/div/span').extract():
text += remove_tags(p) + "\n"
text = "\n" + text
""" Obtiene autor """
res = AUTH_RE.match(text)
if res:
m = res.group(0)
item['author'] = m[m.find('Por')+len('Por'):].strip()
text = text[text.find(m) + len(m):].strip()
text = "\n" + text
""" Elimina twitter """
res = TW_RE.search(text)
if res:
m = res.group(0)
item['twitter'] = m.strip()
text = text[text.find(m) + len(m):].strip()
text = "\n" + text
""" Obtiene lugar """
res = LOC_RE.match(text)
if res:
m = res.group(0)
if m[m.find('/') + 1:].strip().lower() != 'dpa':
item['location'] = m[:m.find('/')].strip()
text = text[text.find(m) + len(m):].strip()
text = "\n" + text
else:
text = text[text.find(m) + len(m):].strip()
text = "\n" + text
""" Elimina correo """
res = EM_RE.search(text)
if res:
m = res.group(0)
item['email'] = m.strip()
# text = text[text.find(m) + len(m):].strip()
text = text.replace(m, '').strip()
text = "\n" + text
res = EM_RE.search(text)
if res:
m = res.group(0)
item['email'] = m.strip()
# text = text[text.find(m) + len(m):].strip()
text = text.replace(m, '').strip()
text = "\n" + text
text = text.replace("\n@Diario Co Latino\n", '').strip()
text = "\n" + text
text = text.replace("\nDiario Co Latino\n", '').strip()
text = "\n" + text
text = text.replace("\nCo Latino\n", '').strip()
item['text'] = text.strip()
item['url'] = response.url
yield item
# Automatically created by: scrapy startproject
#
# For more information about the [deploy] section see:
# https://scrapyd.readthedocs.io/en/latest/deploy.html
[settings]
default = diarioCoLatino.settings
[deploy]
#url = http://localhost:6800/
project = diarioCoLatino
# -*- 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:
# http://doc.scrapy.org/en/latest/topics/spider-middleware.html
from scrapy import signals
class SanpedrosunSpiderMiddleware(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
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 sanPedroSun 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 = 'sanPedroSun'
SPIDER_MODULES = ['sanPedroSun.spiders']
NEWSPIDER_MODULE = 'sanPedroSun.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'sanPedroSun (+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 = 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 http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'sanPedroSun.middlewares.SanpedrosunSpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'sanPedroSun.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 = {
'sanPedroSun.pipelines.JsonWriterPipeline': 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.
# -*- coding: utf-8 -*-
import scrapy, re
from sanPedroSun.items import NoticiasItem
"""
MEDIO:
The San Pedro Sun, Belice
USO:
scrapy crawl noticias --nolog -s filename=2018-02-23.json -a year=2018 -a month=2 -a day=23
"""
TAG_RE = re.compile(r'<[^>]+>')
def remove_tags(text):
return TAG_RE.sub('', text)
DATE_RE1 = re.compile(r'(-|- )?([A-Z][a-z]+, ?)?[A-Z][a-z]+( \d{1,2})?, \d{4}( -|\n)? ?[A-Z]')
DATE_RE2 = re.compile(r', [a-zA-Z]+ \d{1,2} -( -)?')
AUTH_RE = re.compile(r'\n(- )?By.+\n')
class importantData(scrapy.Item):
page = scrapy.Field()
class QuotesSpider(scrapy.Spider):
name = "noticias"
globalSet = set()
def start_requests(self):
year = getattr(self, "year", None)
month = getattr(self, "month", None)
day = getattr(self, "day", None)
self.baseURL = "https://www.sanpedrosun.com/wp-content/themes/sunbase/GetResults.php?year=" + year + "&monthnum=" + month + "&day=" + day + "&posts_per_page=8&n_view=standard&n_style=list"
# self.baseURL = "https://www.sanpedrosun.com/wp-content/themes/sunbase/GetResults.php?year=" + year + "&monthnum=" + month + "&posts_per_page=8&n_view=standard&n_style=list"
searchData = importantData()
searchData['page'] = 0
request = scrapy.Request(url=self.baseURL, callback=self.parse)
request.meta['item'] = searchData
yield request
def parse(self, response):
localSet = set(response.css('div.entry').xpath('./h2/a/@href').extract())
resultSet = localSet - self.globalSet
if len(resultSet) > 0:
searchData = response.meta['item']
for link in resultSet:
self.globalSet.add(link)
yield scrapy.Request(url=link, callback=self.parse_item)
searchData['page'] += 1
page = searchData['page']
request = scrapy.Request(url=response.url + "&n_more=" + str(page), callback=self.parse)
request.meta['item'] = searchData
yield request
def parse_page(self, response):
for link in response.css('div.td-ss-main-content').css('div.item-details').xpath('./h3/a/@href').extract():
yield scrapy.Request(url=link, callback=self.parse_item)
def parse_item(self, response):
item = NoticiasItem()
text = ''
"La fecha obtenida ya incluye formato y zona horaria"
item['date'] = response.xpath('//meta[@property="article:published_time"]/@content').extract_first()
item['title'] = remove_tags(response.xpath('//div[@class="post"]/h1').extract_first()).strip()
try:
topic = response.xpath('//div[@class="breadcrumb"]/p/a/text()').extract()[-1]
except:
try:
topic = response.xpath('//ul[@class="td-category"]/li/a/text()').extract_first()
except:
topic = None
item['topic'] = topic
for p in response.xpath('//div[@class="entry"]').css('p').extract():
text += remove_tags(p) + "\n"
text = text.strip()
text = "\n" + text
text = text.replace(u'\u2013', "-")
text = text.replace(u'\u00a0', '') ## Elimina 'no-break spaces'
res = DATE_RE1.search(text)
if res:
m = res.group(0)[:-1]
text = text[text.find(m) + len(m):].strip()
text = "\n" + text
res = DATE_RE2.search(text)
if res:
m = res.group(0)[:-1]
text = text[text.find(m) + len(m):].strip()
text = "\n" + text
res = AUTH_RE.match(text)
if res:
m = res.group(0)
text = text[text.find(m) + len(m):].strip()
text = "\n" + text
text = text.replace("Follow The San Pedro Sun News on Twitter, become a fan on Facebook. Stay updated via RSS", '')
item['text'] = text.strip()
item['url'] = response.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 = sanPedroSun.settings
[deploy]
#url = http://localhost:6800/
project = sanPedroSun
# Automatically created by: scrapy startproject
#
# For more information about the [deploy] section see:
# https://scrapyd.readthedocs.org/en/latest/deploy.html
[settings]
default = tiempoDigitalHn.settings
[deploy]
#url = http://localhost:6800/
project = tiempoDigitalHn
# -*- 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:
# http://doc.scrapy.org/en/latest/topics/spider-middleware.html
from scrapy import signals
class TiempodigitalhnSpiderMiddleware(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
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 tiempoDigitalHn 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 = 'tiempoDigitalHn'
SPIDER_MODULES = ['tiempoDigitalHn.spiders']
NEWSPIDER_MODULE = 'tiempoDigitalHn.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'tiempoDigitalHn (+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 = 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 http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'tiempoDigitalHn.middlewares.TiempodigitalhnSpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'tiempoDigitalHn.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 = {
'tiempoDigitalHn.pipelines.JsonWriterPipeline': 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.
# -*- coding: utf-8 -*-
import scrapy, re
from tiempoDigitalHn.items import NoticiasItem
"""
MEDIO:
Tiempo Digital, Honduras
USO:
scrapy crawl noticias --nolog -s filename=2018-02-23.json -a year=2018 -a month=2 -a day=23
"""
TAG_RE = re.compile(r'<[^>]+>')
def remove_tags(text):
return TAG_RE.sub('', text)
LOC_RE1 = re.compile(r'\n([A-Z]+ )+ ?[.-]')
LOC_RE2 = re.compile(r'\n.+?,? ?.+? ?(\. ?-|\.|-) ?[A-Z]')
SOURCE_RE = re.compile(r'\n ?Fuente:.+$')
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.baseURL = "https://tiempo.hn/" + year + "/" + month.zfill(2) + "/" + day.zfill(2)
yield scrapy.Request(url=self.baseURL, callback=self.parse)
def parse(self, response):
yield scrapy.Request(url=response.url, callback=self.parse_page, dont_filter=True)
pagination = response.css('div.page-nav').xpath('./a/@href').extract()
if len(pagination) > 0:
try:
pagination = pagination[-2]
except:
pagination = pagination[-1]
pagination = pagination.strip('/')
pages = int(pagination[pagination.rfind('/') + 1:])
for page in range(1, pages):
yield scrapy.Request(url=self.baseURL + '/page/' + str(page + 1), callback=self.parse_page)
def parse_page(self, response):
for link in response.css('div.td-ss-main-content').css('div.td_module_1').xpath('./h3/a/@href').extract():
yield scrapy.Request(url=link, callback=self.parse_item)
def parse_item(self, response):
item = NoticiasItem()
text = ''
"La fecha obtenida ya incluye formato y zona horaria"
item['date'] = response.xpath('//span[@class="td-post-date"]/time/@datetime').extract_first()
item['title'] = remove_tags(response.xpath('//header[@class="td-post-title"]/h1').extract_first()).strip()
try:
topic = response.xpath('//ul[@class="td-category"]/li').extract()[-1]
item['topic'] = remove_tags(topic)
except:
item['topic'] = None
author = response.xpath('//div[@class="td-post-author-name"]/a').extract_first()
if author is not None:
item['author'] = remove_tags(author)
for p in response.xpath('//div[@class="td-post-content"]').css('p').extract():
text += remove_tags(p) + "\n"
text = text.strip()
text = "\n" + text
text = text.replace(u'\u2013', "-")
text = text.replace(u'\u00a0', '') ## Elimina 'no-break spaces'
res = LOC_RE1.match(text)
if res:
m = res.group(0)[:-1]
location = m.replace("-", '').strip()
if len(location) <= 25:
item['location'] = location
text = text.replace(m, '').strip()
text = "\n" + text
res = LOC_RE2.match(text)
if res:
m = res.group(0)[:-1]
location = m.replace("-", '').replace(".", '').strip()
if len(location) <= 25:
item['location'] = location
text = text.replace(m, '').strip()
text = "\n" + text
res = SOURCE_RE.search(text)
if res:
m = res.group(0)
text = text.replace(m, '').strip()
text = "\n" + text
item['text'] = text.strip()
item['url'] = response.url
yield item
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