Yohann
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FMScraper
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Récupération simplifiée de la taille du fichier 

URL de l'émission transmise avec l'item Episode si une association
Emission <-> Episode s'avère nécessaire lors de son enregistrement
dans la base de données
master
Yohann Dedy 2019-12-02 02:36:32 +01:00
parent 52a53285d8
commit ebae9e4b12
2 changed files with 10 additions and 3 deletions
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2
FMScraper/items.py
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@ -65,7 +65,7 @@ class episode_Item(scrapy.Item):
default = 'null',
input_processor = MapCompose(clean_file_url)
)
file_info = scrapy.Field()
url_page = scrapy.Field()
date_diffusion = scrapy.Field()
file_size= scrapy.Field()

11
FMScraper/spiders/get_episodes.py
View File

@ -3,6 +3,7 @@ import scrapy
from scrapy.loader import ItemLoader
from scrapy.loader.processors import Join, MapCompose, TakeFirst
from FMScraper.items import show_Item, episode_Item
import urllib.request
class GetEpisodesSpider(scrapy.Spider):
name = 'get_episodes'
@ -36,14 +37,15 @@ class GetEpisodesSpider(scrapy.Spider):
def parse_episodes(self, response):
for sel in response.xpath('//section[@class="emission-diffusions-list"]//a[@class="preview-list-element-link"]/@href'):
url_emission = response.url
url_episode = response.urljoin(sel.extract())
next_page = response.xpath('//link[@rel="next"]/@href')
yield scrapy.Request(url_episode, callback = self.parse_episode)
yield scrapy.Request(url_episode, callback = self.parse_episode, cb_kwargs=dict(url_emission=url_emission))
if next_page:
next_url = response.urljoin(next_page.extract_first())
yield scrapy.Request(url=next_url,callback = self.parse_episodes)
def parse_episode(self, response):
def parse_episode(self, response, url_emission):
page_episode = scrapy.Selector(response)
for page in page_episode.xpath(self.episode_xpath):
loader = ItemLoader(item=episode_Item(), selector=page)
@ -51,7 +53,12 @@ class GetEpisodesSpider(scrapy.Spider):
for field, xpath in self.episode_fields.items():
loader.add_xpath(field, xpath)
if field == 'url_file':
file_info = urllib.request.urlopen(response.xpath(xpath).extract_first())
loader.add_value('file_size', file_info.headers['content-length'] )
loader.add_value('url_page', response.url)
loader.add_value('url_emission', url_emission)
loader.add_value('id_episode', response.url)
yield loader.load_item()