Commit 30d91be1 authored by Renán Sosa Guillen's avatar Renán Sosa Guillen

crawlers

parent 4c9562a7
from datetime import date, datetime, timedelta, tzinfo, time
import scrapy, re
from datetime import date, datetime, timedelta, tzinfo, time
from collections import OrderedDict
## 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=3 -a day=22
"""
TAG_RE = re.compile(r'<[^>]+>')
def remove_tags(text):
return TAG_RE.sub('', text)
return TAG_RE.sub('', text)
# re: r'(Twitter:\s+)?(@[\w.%+-]+.)?'
TW_RE = re.compile(r"""
(Twitter: # inicio de bloque, contiene la cadena 'Twitter:' (case insensitive)
\s+ # cualquier espacio (\t\n\r\f), una o mas ocurrencias
)? # fin de bloque, ninguna o una ocurrencia del bloque
(@ # inicio de bloque, contiene caracter '@'
[\w.%+-]+ # cualquier caracter alfanumerico mas los signos (.%+-), una o mas ocurrencias
. # cualquier caracter, excepto '\n'
)? # fin de bloque, ninguna o una ocurrencia del bloque
""", re.X|re.I) # banderas: verbose|case insensitive
# re: r'(Facebook|Vk):\s+[\w.%+-]+.'
FB_RE = re.compile(r"""
(Facebook|Vk) # bloque, contiene la cadena 'Facebook' o 'Vk' (case insensitive)
: # contiene el caracter ':'
\s+ # cualquier espacio (\t\n\r\f), una o mas ocurrencias
[\w.%+-]+ # cualquier caracter alfanumerico mas los signos (.%+-), una o mas ocurrencias
. # cualquier caracter, excepto '\n'
""", re.X|re.I) # banderas: verbose|case insensitive
# re: r'\(?(Foro:\s+)?(https?:\/\/)?([w{3}.])?[\w%+-]+(\.[a-zA-Z]{2,6}){1,2}[/\w.#$%&+-]*\)?.'
URL_RE = re.compile(r"""
\(? # contiene o no caracter '(', ninguna o una vez
(Foro: # inicio de bloque, contiene la cadena 'Foro:' (case insensitive)
\s+ # cualquier espacio (\t\n\r\f), una o mas ocurrencias
)? # fin de bloque, ninguna o una ocurrencia del bloque
(http # inicio de bloque, contiene cadena 'http'
s? # contiene o no caracter 's'
:\/\/ # contiene cadena '://'
)? # fin de bloque, ninguna o una ocurrencia del bloque
([w{3}.])? # el caracter 'w' tres veces y/o punto (www.), ninguna o una vez
[\w%+-]+ # cualquier caracter alfanumerico mas los signos (%+-), una o mas ocurrencias
(\. # inicio de bloque, contiene caracter '.'
[a-zA-Z]{2,6} # 2 a 6 letras, minusculas o mayusculas
){1,2} # fin de bloque, bloque se repite de 1 a 2 veces
[/\w.#$%&+-]* # seguido de '/', cualquier caracter alfanumerico mas los signos (.#$%&+-), cero o mas ocurrencias
\)? # contiene o no caracter ')', ninguna o una vez
. # cualquier caracter, excepto '\n'
""", re.X|re.I) # banderas: verbose|case insensitive
# re: r'[\w.-]+@[\w-]+(\.[a-zA-Z]{2,6}){1,2}\s?'
EMAIL_RE = re.compile(r"""
[\w.-]+ # cualquier caracter alfanumerico mas los signos (.-), una o mas repeticiones
@ # seguido de '@'
[\w-]+ # cualquier caracter alfanumerico mas el signo '-', una o mas repeticiones
(\. # inicio de bloque, contiene '.'
[a-zA-Z]{2,6} # 2 a 6 letras, minusculas o mayusculas
){1,2} # fin de bloque, bloque se repite de 1 a 2 veces
\s? # cualquier espacio (\t\n\r\f), ninguna o una coincidencia
""", re.X|re.I) # banderas: verbose|case insensitive
DIVP_RE = re.compile(r'(<div class="(credito-(autor|titulo)|hemero)">.*?<\/div>|<p class="s-s">.{,35}<\/p>|<span class="loc">.*?<\/span>)', re.S)
TRANSLATION_RE = re.compile(r'Traducci.n.*', re.I|re.S)
def clean_raw(rawText):
text = rawText.replace("* * *", '')
text = DIVP_RE.sub('', text)
text = TRANSLATION_RE.sub('', text)
return text
def text_cleaning(text):
"""
Function for cleaning news text
"""
"""
Elimina los espacios dobles, triples o mayores, innecesarios dentro del texto. Primero divide el texto de
acuerdo a los saltos de linea, despues divide cada segmento en palabras sin tomar en cuenta espacios. Luego
las palabras son agrupadas en nuevos segmentos con un solo espacio entre ellas y se agregan los saltos de
linea necesarios.
"""
newText = ''
counter = 0
text = text.replace(u'\u0164', '')
text = text.replace("Afp", '')
for segment in text.split("\n"):
counter += 1
if counter == 1:
newText += " ".join(segment.split())
elif counter > 1:
newText += "\n" + " ".join(segment.split())
"""---------------------------------------------------------------------------------------------------"""
"""
Elimina del texto la info de facebook, twitter, foro y correo electronico.
"""
newText = TW_RE.sub('', newText)
newText = FB_RE.sub('', newText)
newText = EMAIL_RE.sub('', newText)
newText = URL_RE.sub('', newText)
newText = TRANSLATION_RE.sub('', newText)
"""---------------------------------------------------------------------------------------------------"""
return newText
class UTC(tzinfo):
"""clase para el 'time zone' (zona horaria)"""
"""clase para el 'time zone' (zona horaria)"""
def utcoffset(self, dt):
# zona horaria para centro de mexico: utc-6
return timedelta(hours=-6)
def utcoffset(self, dt):
# zona horaria para centro de mexico: utc-6
return timedelta(hours=-6)
def tzname(self, dt):
# nombre de la zona horaria
return 'UTC-6'
def tzname(self, dt):
# nombre de la zona horaria
return 'UTC-6'
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()
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.tz = UTC()
self.counter = 0
year = getattr(self, 'year', None)
month = getattr(self, 'month', None)
day = getattr(self, 'day', None)
self.baseURL='http://www.jornada.unam.mx/'+year+'/'+month.zfill(2)+'/'+day.zfill(2)+'/'
self.comparison_date_1 = date(2001, 12, 7)
self.comparison_date_2 = date(2002, 1, 8)
self.comparison_date_3 = date(2003, 4, 25)
self.comparison_date_4 = date(2004, 11, 16)
self.comparison_date_5 = date(2004, 12, 12)
self.comparison_date_6 = date(2005, 1, 31)
self.comparison_date_7 = date(2009, 2, 15)
self.date = date(int(year), int(month), int(day))
# self.section_list = ['opinion', 'politica', 'economia', 'mundo', 'estados', 'ciencias',
# 'capital', 'sociedad', 'cultura', 'espectaculos', 'deportes']
# for section in section_list:
# para la fecha 2009/02/15 o menores, se tiene una estructura determinada de pagina
# para las fechas mayores a esa la estructura cambia
# if ( requested_date <= comparison_date_1 ):
# yield scrapy.Request(url=self.baseURL+section, callback=self.parse)
# else:
# yield scrapy.Request(url=self.baseURL+section, callback=self.parse_2)
if self.date <= self.comparison_date_2:
section_list = ['index.html', 'edito.html', 'opinion.html', 'correo.html', 'politica.html',
'economia.html', 'cultura.html', 'espectaculos.html', 'estados.html',
'capital.html', 'mundo.html', 'soc-jus.html', 'deportes.html']
parse_s = {'index.html': 'Portada', 'edito.html': 'Editorial', 'opinion.html': 'Opinion',
'correo.html': 'Correo', 'politica.html': 'Politica', 'economia.html': 'Economia',
'cultura.html': 'Cultura', 'espectaculos.html': 'Espectaculos', 'estados.html': 'Estados',
'capital.html': 'Capital', 'mundo.html': 'Mundo', 'soc-jus.html': 'Sociedad',
'deportes.html': 'Deportes'}
for s in section_list:
item = NoticiasItem()
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
item['topic'] = parse_s[s]
if s == 'edito.html' or s == 'correo.html':
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item)
else:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_2 and self.date <= self.comparison_date_3:
section_list = ['index.html', 'edito.html', 'opinion.html', 'correo.html', 'politica.html',
'economia.html', 'cultura.html', 'espectaculos.html', 'estados.html',
'capital.html', 'mundo.html', 'soc-jus.html', 'deportes.html',
'index.php', 'edito.php', 'opinion.php', 'correo.php', 'politica.php',
'economia.php', 'cultura.php', 'espectaculos.php', 'estados.php',
'capital.php', 'mundo.php', 'soc-jus.php', 'deportes.php']
parse_s = {'index.html': 'Portada', 'edito.html': 'Editorial', 'opinion.html': 'Opinion',
'correo.html': 'Correo', 'politica.html': 'Politica', 'economia.html': 'Economia',
'cultura.html': 'Cultura', 'espectaculos.html': 'Espectaculos', 'estados.html': 'Estados',
'capital.html': 'Capital', 'mundo.html': 'Mundo', 'soc-jus.html': 'Sociedad',
'deportes.html': 'Deportes',
'index.php': 'Portada', 'edito.php': 'Editorial', 'opinion.php': 'Opinion',
'correo.php': 'Correo', 'politica.php': 'Politica', 'economia.php': 'Economia',
'cultura.php': 'Cultura', 'espectaculos.php': 'Espectaculos', 'estados.php': 'Estados',
'capital.php': 'Capital', 'mundo.php': 'Mundo', 'soc-jus.php': 'Sociedad',
'deportes.php': 'Deportes'}
for s in section_list:
item = NoticiasItem()
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
item['topic'] = parse_s[s]
if s == 'edito.html' or s == 'correo.html' or s == 'edito.php' or s == 'correo.php':
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item)
else:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_2)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_3 and self.date <= self.comparison_date_6:
section_list = ['indexfla.php', 'edito.php', 'opinion.php', 'correo.php', 'politica.php',
'economia.php', 'cultura.php', 'espectaculos.php', 'estados.php',
'capital.php', 'mundo.php', 'soc-jus.php', 'deportes.php', 'index.php']
parse_s = {'indexfla.php': 'Portada', 'edito.php': 'Editorial', 'opinion.php': 'Opinion',
'correo.php': 'Correo', 'politica.php': 'Politica', 'economia.php': 'Economia',
'cultura.php': 'Cultura', 'espectaculos.php': 'Espectaculos', 'estados.php': 'Estados',
'capital.php': 'Capital', 'mundo.php': 'Mundo', 'soc-jus.php': 'Sociedad',
'deportes.php': 'Deportes','index.php': 'Portada'}
for s in section_list:
item = NoticiasItem()
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
item['topic'] = parse_s[s]
if s == 'edito.php' or s == 'correo.php':
if self.date > self.comparison_date_3 and self.date <= self.comparison_date_5:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item)
elif self.date > self.comparison_date_5 and self.date <= self.comparison_date_6:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item_2)
else:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_3)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_6:
# print 'first filter'
section_list = ['opinion', 'politica', 'economia', 'mundo', 'estados', 'ciencias',
'capital', 'sociedad', 'cultura', 'espectaculos', 'deportes']
for s in section_list:
# para las fechas menores a 2009/02/15 y mayores a 2005/01/31, se tiene una estructura determinada de pagina
# para las fechas mayores a esa la estructura cambia
if self.date <= self.comparison_date_7:
yield scrapy.Request(url=self.baseURL+s, callback=self.parse_5)
elif self.date > self.comparison_date_7:
# print 'second filter in ' + self.baseURL + s
yield scrapy.Request(url=self.baseURL+s, callback=self.parse_6)
def parse(self, response):
item = response.meta['item']
if self.date <= self.comparison_date_1:
if item['topic'] == 'Portada':
path = '//td[@rowspan="3"]'
else:
if len(response.xpath('//td[@align="center"]').css('a::attr(href)').extract()) > 0:
path = '//td[@align="center"]'
else:
path = '//td[@align="CENTER"]'
elif self.date > self.comparison_date_1 and self.date <= self.comparison_date_2:
if item['topic'] == 'Portada':
path = '//empieza'
else:
path = '//table[@bordercolor="#CCCCCC"]'
for r in response.xpath(path).css('a::attr(href)').extract():
if r[-5:] == '.html':
request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item)
request.meta['item'] = item
yield request
def parse_2(self, response):
item = response.meta['item']
for r in response.xpath('//table[@bordercolor="#CCCCCC"]').css('a::attr(href)').extract():
if r[-5:] == '.html':
request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item)
request.meta['item'] = item
yield request
def parse_3(self, response):
item = response.meta['item']
link_list = []
link_list.extend(response.xpath('//td[@width="100%"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//td[@width="52%"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//td[@width="24%"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//td[@width="646"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//table[@width="100%"]').css('a::attr(href)').extract())
for r in link_list:
if r[-11:] == '.html&fly=1' or r[-9:] == '.php&fly=' or r[-4:] == '.php':
if self.date > self.comparison_date_3 and self.date <= self.comparison_date_6:
if self.date <= self.comparison_date_4:
request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_4 and self.date <= self.comparison_date_6:
if r[:4] == 'http' and r[-4:] == '.php':
this_url = r.replace('\n','')
if self.date <= self.comparison_date_5:
request = scrapy.Request(url=this_url, callback=self.parse_item)
elif self.date > self.comparison_date_5 and self.date <= self.comparison_date_6:
request = scrapy.Request(url=this_url, callback=self.parse_item_2)
request.meta['item'] = item
yield request
# elif self.date > self.comparison_date_5 and self.date <= self.comparison_date_6:
# request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item_2)
# request.meta['item'] = item
# yield request
def parse_4(self, response):
print response.url
for r in response.xpath('//td[@width="646"]').css('a::attr(href)').extract():
if r[-4:] == '.php':
print r.replace('\n','')
# request = scrapy.Request(url=r.replace('\n',''), callback=self.parse_item)
# request.meta['item'] = item
# yield request
def parse_5(self, response):
if ( response.url[:response.url.rfind('/')+1] == self.baseURL ): # verifica que se conserva la misma URL base
section = response.url[response.url.rfind('/')+1:]
if ( section == 'opinion' ): # la seccion 'opinion' tiene una estructura diferente a las otras
path_list = ['//*[@id="columnas"]/p/a/@href',
'//*[@id="opinion"]/p/a/@href']
else:
path_list = ['//*[@id="article_list"]/h2/a/@href',
'//*[@id="article_list"]/h3/a/@href']
for path in path_list:
for link in response.xpath(path).extract():
yield scrapy.Request(url=self.baseURL+link, callback=self.parse_item_3)
def parse_6(self, response):
if ( response.url[:response.url.rfind('/')+1] == self.baseURL ):
linkSet = set()
path_list = ['//*[@class="itemfirst"]/div/a/@href', '//*[@class="item start"]/div/a/@href',
'//*[@class="item"]/div/a/@href']
for path in path_list:
for link in response.xpath(path).extract():
if link not in linkSet:
linkSet.add(link)
yield scrapy.Request(url=self.baseURL+link, callback=self.parse_item_4)
def parse_item(self, response):
item = response.meta['item']
flag = True
text = ''
try:
title = response.xpath('//font[@size="5"]').extract_first()
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//p/font[@size="5"]').extract_first()
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//p/font[@size="5"]').extract()[1]
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//font[@size="4"]').extract_first()
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//p/font[@size="4"]').extract_first()
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//p/font[@size="4"][1]').extract()[1]
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//font[@size="3"]').extract_first()
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//p/font[@size="3"]').extract_first()
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//p/font[@size="3"][1]').extract()[1]
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//font[@size="+1"]').extract_first()
item['title'] = remove_tags(title)
except:
try:
title = response.xpath('//font[@size="+0"]').extract_first()
item['title'] = remove_tags(title)
except:
if self.date <= date(1999, 10, 3): # en esta fecha hay un cambio respecto a las otras en cuanto al html de la pag
try:
title = remove_tags(response.xpath('//center').extract_first())
item['title'] = title
flag = False
except:
pass
else:
pass
if flag:
if self.date <= self.comparison_date_1:
for p in response.css('p').extract():
text += remove_tags(p).replace('\r','') ## no toma en cuenta los primeros indices donde esta el titulo
text = text.replace('\t','')
elif self.date > self.comparison_date_1 and self.date <= self.comparison_date_3:
for p in response.xpath('//table[@bordercolor="#CCCCCC"]').css('p').extract():
text += remove_tags(p).replace('\r','')
text = text.replace('\t','')
elif self.date > self.comparison_date_3 and self.date <= self.comparison_date_4:
p = response.css('p').extract()
for i in range(0, len(p)):
text += remove_tags(p[i]).replace('\r','')
text = text.replace('\t','')
elif self.date > self.comparison_date_4 and self.date <= self.comparison_date_5:
p = response.css('p').extract()
for i in range(3, len(p)):
text += remove_tags(p[i]).replace('\r','')
text = text.replace('\t','')
if text == '':
for i in range(0, len(p)):
text += remove_tags(p[i]).replace('\r','')
text = text.replace('\t','')
else:
text = remove_tags(response.body)
text = text[len(title):]
item['text'] = text
item['url'] = response.url
yield item
def parse_item_2(self, response):
item = response.meta['item']
text = ''
title_list = []
title_list.extend(response.xpath('//*[@id="contenido"]/h1/text()').extract())
title_list.extend(response.xpath('//h1/text()').extract())
for t in title_list:
if t is not None or t != '':
title = remove_tags(t).replace('\r','')
title = title.replace('\t','')
item['title'] = title
p = response.css('p').extract()
for i in range(4, len(p)):
text += remove_tags(p[i]).replace('\r','')
text = text.replace('\t','')
if text == '':
for i in range(0, len(p)):
text += remove_tags(p[i]).replace('\r','')
text = text.replace('\t','')
item['text'] = text
item['url'] = response.url
yield item
def parse_item_3(self, response):
item = NoticiasItem()
text = ''
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
title = response.xpath('//*[@class="documentContent"]/h1[@class="title"]/text()').extract()
if ( len(title) > 0 ):
item['title'] = title[0]
else:
item['title'] = response.xpath('//*[@class="documentContent"]/h1/text()').extract_first()
item['topic'] = response.xpath('//*[@id="portal-breadcrumbs"]/a[2]/text()').extract_first()
for p in response.xpath('//*[@class="documentContent"]/p').extract():
text += remove_tags(p).replace('\r','')
text = text.replace('\t','')
item['text'] = text
item['url'] = response.url
# print item['title']
yield item
def parse_item_4(self, response):
item = NoticiasItem()
text = ''
# path_list = ['//*[@class="col"]/p', '//*[@class="col col1"]/p', '//*[@class="col col2"]/p']
path_list = ['//*[@class="col"]', '//*[@class="col col1"]', '//*[@class="col col2"]']
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
item['title'] = remove_tags(response.xpath('//*[@class="cabeza"]').extract_first())
item['topic'] = response.xpath('//*[@class="breadcrumb gui"]/span[2]/a/text()').extract_first()
for path in path_list:
for p in response.xpath(path).extract():
text += remove_tags(p).replace('\r','')
text = text.replace('\t','')
item['text'] = text
item['url'] = response.url
# print item['title']
yield item
name = "noticias"
def start_requests(self):
self.tz = UTC()
self.counter = 0
year = getattr(self, 'year', None)
month = getattr(self, 'month', None)
day = getattr(self, 'day', None)
self.baseURL='http://www.jornada.unam.mx/'+year+'/'+month.zfill(2)+'/'+day.zfill(2)+'/'
self.comparison_date_1 = date(2001, 12, 7)
self.comparison_date_2 = date(2002, 1, 8)
self.comparison_date_3 = date(2003, 4, 25)
self.comparison_date_4 = date(2004, 11, 16)
self.comparison_date_5 = date(2004, 12, 12)
self.comparison_date_6 = date(2005, 1, 31)
self.comparison_date_7 = date(2009, 2, 15)
self.date = date(int(year), int(month), int(day))
self.parse_month = {'enero': 1, 'febrero': 2, 'marzo': 3, 'abril': 4,
'mayo': 5, 'junio': 6, 'julio': 7, 'agosto': 8,
'septiembre': 9, 'octubre': 10, 'noviembre': 11, 'diciembre': 12}
# self.section_list = ['opinion', 'politica', 'economia', 'mundo', 'estados', 'ciencias',
# 'capital', 'sociedad', 'cultura', 'espectaculos', 'deportes']
# for section in section_list:
# para la fecha 2009/02/15 o menores, se tiene una estructura determinada de pagina
# para las fechas mayores a esa la estructura cambia
# if ( requested_date <= comparison_date_1 ):
# yield scrapy.Request(url=self.baseURL+section, callback=self.parse)
# else:
# yield scrapy.Request(url=self.baseURL+section, callback=self.parse_2)
if self.date <= self.comparison_date_2:
section_list = ['index.html', 'edito.html', 'opinion.html', 'politica.html',
'economia.html', 'cultura.html', 'espectaculos.html', 'estados.html',
'capital.html', 'mundo.html', 'soc-jus.html', 'deportes.html']
parse_s = {'index.html': 'Portada', 'edito.html': 'Editorial', 'opinion.html': 'Opinion',
'politica.html': 'Politica', 'economia.html': 'Economia',
'cultura.html': 'Cultura', 'espectaculos.html': 'Espectaculos', 'estados.html': 'Estados',
'capital.html': 'Capital', 'mundo.html': 'Mundo', 'soc-jus.html': 'Sociedad',
'deportes.html': 'Deportes'}
for s in section_list:
item = NoticiasItem()
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
item['topic'] = parse_s[s]
if s == 'edito.html':
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item)
else:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_2 and self.date <= self.comparison_date_3:
section_list = ['index.html', 'edito.html', 'opinion.html', 'politica.html',
'economia.html', 'cultura.html', 'espectaculos.html', 'estados.html',
'capital.html', 'mundo.html', 'soc-jus.html', 'deportes.html',
'index.php', 'edito.php', 'opinion.php', 'politica.php',
'economia.php', 'cultura.php', 'espectaculos.php', 'estados.php',
'capital.php', 'mundo.php', 'soc-jus.php', 'deportes.php']
parse_s = {'index.html': 'Portada', 'edito.html': 'Editorial', 'opinion.html': 'Opinion',
'politica.html': 'Politica', 'economia.html': 'Economia',
'cultura.html': 'Cultura', 'espectaculos.html': 'Espectaculos', 'estados.html': 'Estados',
'capital.html': 'Capital', 'mundo.html': 'Mundo', 'soc-jus.html': 'Sociedad',
'deportes.html': 'Deportes',
'index.php': 'Portada', 'edito.php': 'Editorial', 'opinion.php': 'Opinion',
'politica.php': 'Politica', 'economia.php': 'Economia',
'cultura.php': 'Cultura', 'espectaculos.php': 'Espectaculos', 'estados.php': 'Estados',
'capital.php': 'Capital', 'mundo.php': 'Mundo', 'soc-jus.php': 'Sociedad',
'deportes.php': 'Deportes'}
for s in section_list:
item = NoticiasItem()
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
item['topic'] = parse_s[s]
if s == 'edito.html' or s == 'correo.html' or s == 'edito.php' or s == 'correo.php':
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item)
else:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_2)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_3 and self.date <= self.comparison_date_6:
section_list = ['indexfla.php', 'edito.php', 'opinion.php', 'correo.php', 'politica.php',
'economia.php', 'cultura.php', 'espectaculos.php', 'estados.php',
'capital.php', 'mundo.php', 'soc-jus.php', 'deportes.php', 'index.php']
parse_s = {'indexfla.php': 'Portada', 'edito.php': 'Editorial', 'opinion.php': 'Opinion',
'correo.php': 'Correo', 'politica.php': 'Politica', 'economia.php': 'Economia',
'cultura.php': 'Cultura', 'espectaculos.php': 'Espectaculos', 'estados.php': 'Estados',
'capital.php': 'Capital', 'mundo.php': 'Mundo', 'soc-jus.php': 'Sociedad',
'deportes.php': 'Deportes','index.php': 'Portada'}
for s in section_list:
item = NoticiasItem()
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
item['topic'] = parse_s[s]
if s == 'edito.php' or s == 'correo.php':
if self.date > self.comparison_date_3 and self.date <= self.comparison_date_5:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item)
elif self.date > self.comparison_date_5 and self.date <= self.comparison_date_6:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_item_2)
else:
request = scrapy.Request(url=self.baseURL+s, callback=self.parse_3)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_6:
# print 'first filter'
section_list = ['opinion', 'politica', 'economia', 'mundo', 'estados', 'ciencias',
'capital', 'sociedad', 'cultura', 'espectaculos', 'deportes']
for s in section_list:
# para las fechas menores a 2009/02/15 y mayores a 2005/01/31, se tiene una estructura determinada de pagina
# para las fechas mayores a esa la estructura cambia
if self.date <= self.comparison_date_7:
yield scrapy.Request(url=self.baseURL+s, callback=self.parse_5)
elif self.date > self.comparison_date_7:
# print 'second filter in ' + self.baseURL + s
yield scrapy.Request(url=self.baseURL+s, callback=self.parse_6)
def parse(self, response):
item = response.meta['item']
if self.date <= self.comparison_date_1:
if item['topic'] == 'Portada':
path = '//td[@rowspan="3"]'
else:
if len(response.xpath('//td[@align="center"]').css('a::attr(href)').extract()) > 0:
path = '//td[@align="center"]'
else:
path = '//td[@align="CENTER"]'
elif self.date > self.comparison_date_1 and self.date <= self.comparison_date_2:
if item['topic'] == 'Portada':
path = '//empieza'
else:
path = '//table[@bordercolor="#CCCCCC"]'
for r in response.xpath(path).css('a::attr(href)').extract():
if r[-5:] == '.html':
request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item)
request.meta['item'] = item
yield request
def parse_2(self, response):
item = response.meta['item']
for r in response.xpath('//table[@bordercolor="#CCCCCC"]').css('a::attr(href)').extract():
if r[-5:] == '.html':
request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item)
request.meta['item'] = item
yield request
def parse_3(self, response):
item = response.meta['item']
link_list = []
link_list.extend(response.xpath('//td[@width="100%"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//td[@width="52%"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//td[@width="24%"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//td[@width="646"]').css('a::attr(href)').extract())
link_list.extend(response.xpath('//table[@width="100%"]').css('a::attr(href)').extract())
for r in link_list:
if r[-11:] == '.html&fly=1' or r[-9:] == '.php&fly=' or r[-4:] == '.php':
if self.date > self.comparison_date_3 and self.date <= self.comparison_date_6:
if self.date <= self.comparison_date_4:
request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item)
request.meta['item'] = item
yield request
elif self.date > self.comparison_date_4 and self.date <= self.comparison_date_6:
if r[:4] == 'http' and r[-4:] == '.php':
this_url = r.replace('\n','')
if self.date <= self.comparison_date_5:
request = scrapy.Request(url=this_url, callback=self.parse_item)
elif self.date > self.comparison_date_5 and self.date <= self.comparison_date_6:
request = scrapy.Request(url=this_url, callback=self.parse_item_2)
request.meta['item'] = item
yield request
# elif self.date > self.comparison_date_5 and self.date <= self.comparison_date_6:
# request = scrapy.Request(url=self.baseURL+r, callback=self.parse_item_2)
# request.meta['item'] = item
# yield request
def parse_4(self, response):
print response.url
for r in response.xpath('//td[@width="646"]').css('a::attr(href)').extract():
if r[-4:] == '.php':
print r.replace('\n','')
# request = scrapy.Request(url=r.replace('\n',''), callback=self.parse_item)
# request.meta['item'] = item
# yield request
def parse_5(self, response):
if response.url[:response.url.rfind('/')+1] == self.baseURL: # verifica que se conserva la misma URL base
section = response.url[response.url.rfind('/')+1:]
if section == 'opinion': # la seccion 'opinion' tiene una estructura diferente a las otras
path_list = ['//*[@id="columnas"]/p/a/@href',
'//*[@id="opinion"]/p/a/@href']
else:
path_list = ['//*[@id="article_list"]/h2/a/@href',
'//*[@id="article_list"]/h3/a/@href']
for path in path_list:
for link in response.xpath(path).extract():
yield scrapy.Request(url=self.baseURL+link, callback=self.parse_item_3)
def parse_6(self, response):
if response.url[:response.url.rfind('/')+1] == self.baseURL:
# linkSet = set()
# path_list = ['//*[@class="itemfirst"]/div/a/@href', '//*[@class="item start"]/div/a/@href',
# '//*[@class="item"]/div/a/@href']
#
# for path in path_list:
# for link in response.xpath(path).extract():
# if link not in linkSet:
# linkSet.add(link)
# yield scrapy.Request(url=self.baseURL+link, callback=self.parse_item_4)
linkSet = set()
linkLst = []
linkLst.extend(response.xpath('//*[@class="itemfirst"]/div/a/@href').extract())
linkLst.extend(response.xpath('//*[@class="item start"]/div/a/@href').extract())
linkLst.extend(response.xpath('//*[@class="item"]/div/a/@href').extract())
for l in linkLst:
link = self.baseURL + l
if not link in linkSet:
linkSet.add(link)
yield scrapy.Request(url=link, callback=self.parse_item_4)
def parse_item(self, response):
"""
FECHAS <= 2004-12-12
"""
item = response.meta['item']
flag = True
text = ''
try:
title = remove_tags(response.xpath('//font[@size="5"]').extract_first())
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//p/font[@size="5"]').extract_first())
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//p/font[@size="5"]').extract()[1])
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//font[@size="4"]').extract_first())
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//p/font[@size="4"]').extract_first())
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//p/font[@size="4"][1]').extract()[1])
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//font[@size="3"]').extract_first())
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//p/font[@size="3"]').extract_first())
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//p/font[@size="3"][1]').extract()[1])
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//font[@size="+1"]').extract_first())
item['title'] = title
except:
try:
title = remove_tags(response.xpath('//font[@size="+0"]').extract_first())
item['title'] = title
except:
if self.date <= date(1999, 10, 3): # en esta fecha hay un cambio respecto a las otras en cuanto al html de la pag
try:
title = remove_tags(response.xpath('//center').extract_first())
item['title'] = title
flag = False
except:
pass
else:
pass
if flag:
if self.date <= self.comparison_date_1:
"""
FECHAS > 1999-10-03 Y FECHAS <= 2001-12-07
"""
for p in response.css('p').extract():
# text += remove_tags(p).replace('\r','') ## no toma en cuenta los primeros indices donde esta el titulo
# text = text.replace('\t','')
p = clean_raw(p)
newsText = remove_tags(p)
text += text_cleaning(newsText)
m = re.search(title, text)
if title[-1] == "?": text = text[m.end()+1:]
else: text = text[m.end():]
text = text.lstrip("\n")
text = text.rstrip("\n")
elif self.date > self.comparison_date_1 and self.date <= self.comparison_date_3:
"""
FECHAS > 2001-12-07 Y FECHAS <= 2003-04-25
"""
for p in response.xpath('//table[@bordercolor="#CCCCCC"]').css('p').extract():
# text += remove_tags(p).replace('\r','')
# text = text.replace('\t','')
p = clean_raw(p)
newsText = remove_tags(p)
text += text_cleaning(newsText)
m = re.search(title, text)
if title[-1] == "?": text = text[m.end()+1:]
else: text = text[m.end():]
text = text.lstrip("\n")
text = text.rstrip("\n")
elif self.date > self.comparison_date_3 and self.date <= self.comparison_date_4:
"""
FECHAS > 2003-04-25 Y FECHAS <= 2004-11-16
"""
p = response.css('p').extract()
for i in range(0, len(p)):
# text += remove_tags(p[i]).replace('\r','')
# text = text.replace('\t','')
aux = clean_raw(p[i])
newsText = remove_tags(aux).lstrip("\n")
newsText = newsText.rstrip("\n")
text += text_cleaning(newsText)
elif self.date > self.comparison_date_4 and self.date <= self.comparison_date_5:
"""
FECHAS > 2004-11-16 Y FECHAS <= 2004-12-12
"""
p = response.css('p').extract()
for i in range(3, len(p)):
# text += remove_tags(p[i]).replace('\r','')
# text = text.replace('\t','')
aux = clean_raw(p[i])
newsText = remove_tags(aux).lstrip("\n")
newsText = newsText.rstrip("\n")
text += text_cleaning(newsText)
if text == '':
for i in range(0, len(p)):
# text += remove_tags(p[i]).replace('\r','')
# text = text.replace('\t','')
aux = clean_raw(p[i])
newsText = remove_tags(aux).lstrip("\n")
newsText = newsText.rstrip("\n")
text += text_cleaning(newsText)
else:
"""
FECHAS <= 1999-10-03
"""
# text = remove_tags(response.body)
# text = text[len(title):]
m = re.search(title, response.body)
body = response.body[m.end():]
body = clean_raw(body)
newsText = remove_tags(body).lstrip("\n")
newsText = newsText.rstrip("\n")
text += text_cleaning(newsText)
item['text'] = text
item['url'] = response.url
yield item
def parse_item_2(self, response):
"""
FECHAS > 2004-12-12 Y FECHAS <= 2005-01-31
"""
item = response.meta['item']
text = ''
# titleLst = []
# titleLst.extend(response.xpath('//*[@id="contenido"]/h1/text()').extract())
# titleLst.extend(response.xpath('//h1/text()').extract())
titleSet = set()
titleSet.add(response.xpath('//*[@id="contenido"]/h1').extract_first())
titleSet.add(response.xpath('//h1').extract_first())
for t in titleSet:
if t is not None and t != '':
title = remove_tags(t).replace('\r','')
title = title.replace('\t','')
item['title'] = title
p = response.css('p').extract()
for i in range(4, len(p)):
# text += remove_tags(p[i]).replace('\r','')
# text = text.replace('\t','')
newsText = remove_tags(p[i]).lstrip("\n")
newsText = newsText.rstrip("\n")
text += text_cleaning(newsText)
if text == '':
for i in range(0, len(p)):
# text += remove_tags(p[i]).replace('\r','')
# text = text.replace('\t','')
newsText = remove_tags(p[i]).lstrip("\n")
newsText = newsText.rstrip("\n")
text += text_cleaning(newsText)
item['text'] = text
item['url'] = response.url
yield item
def parse_item_3(self, response):
"""
FECHAS > 2005-01-31 Y FECHAS <= 2009-02-15
"""
item = NoticiasItem()
text = ''
titleSet = set()
# item['date'] = self.date
item['date'] = datetime.combine(self.date, time()).replace(tzinfo=self.tz).isoformat('T')
# title = response.xpath('//*[@class="documentContent"]/h1[@class="title"]/text()').extract()
# if len(title) > 0:
# item['title'] = title[0]
# else:
# item['title'] = response.xpath('//*[@class="documentContent"]/h1/text()').extract_first()
titleSet.add(response.xpath('//*[@class="documentContent"]/h1[@class="title"]').extract_first())
titleSet.add(response.xpath('//*[@class="documentContent"]/h1').extract_first())
for t in titleSet:
if t is not None and t != '':
title = remove_tags(t).replace('\r','')
title = title.replace('\t','')
item['title'] = title
item['topic'] = response.xpath('//*[@id="portal-breadcrumbs"]/a[2]/text()').extract_first()
for p in response.xpath('//*[@class="documentContent"]/p').extract():
# text += remove_tags(p).replace('\r','')
# text = text.replace('\t','')
newsText = remove_tags(p).lstrip("\n")
newsText = newsText.rstrip("\n")
text += text_cleaning(newsText)
item['text'] = text
item['url'] = response.url
# print item['title']
yield item
def parse_item_4(self, response):
"""
FECHAS > 2009-02-15
"""
d = response.xpath('//*[@class="main-fecha"]/text()').extract_first()
d = d.replace('de', '').replace(' ', ' ').split(' ')
newsDate = date(int(d[3]), self.parse_month[d[2].lower()], int(d[1]))
if newsDate == self.date:
item = NoticiasItem()
text = ''
# path_list = ['//*[@class="col"]/p', '//*[@class="col col1"]/p', '//*[@class="col col2"]/p']
# path_list = ['//*[@class="col"]', '//*[@class="col col1"]', '//*[@class="col col2"]']
textLst = []
textLst.extend(response.xpath('//*[@class="col"]').extract())
textLst.extend(response.xpath('//*[@class="col col1"]').extract())
textLst.extend(response.xpath('//*[@class="col col2"]').extract())
# item['date'] = self.date
item['date'] = datetime.combine(newsDate, time()).replace(tzinfo=self.tz).isoformat('T')
item['title'] = remove_tags(response.xpath('//*[@class="cabeza"]').extract_first())
item['topic'] = response.xpath('//*[@class="breadcrumb gui"]/span[2]/a/text()').extract_first()
author = response.xpath('//*[@class="credito-autor"]/text()').extract_first()
if author is None or author == '':
author = response.xpath('//*[@class="credito-articulo"]/text()').extract_first()
item['author'] = author
location = remove_tags(response.xpath('//p[@class="s-s"]').extract_first())
if location is not None and location != '' and len(location) <= 35:
item['location'] = location
else:
item['location'] = None
for p in textLst:
# text += remove_tags(p).replace('\r', '')
# text = text.replace('\t', '')
p = clean_raw(p)
# newsText = remove_tags(p).lstrip("\n")
# newsText = newsText.rstrip("\n")
# text += text_cleaning(newsText)
text += remove_tags(p)
text = text.lstrip("\n")
text = text.rstrip("\n")
text = text_cleaning(text)
item['text'] = text
item['url'] = response.url
# print item['title']
# print 'title: ' + item['title'] + '\nurl: ' + item['url'] + '\n'
yield item
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