超初心者です。
https://www.db.yugioh-card.com/yugiohdb/card_list.action
の
CSSセレクター
#card_list_1
の全リンクを取得したいのですが
フレームワークscrapyを使ってリンク先のURLを取得しようとしても
scrapy shellでcssセレクターで
response.css('#card_list_1.link_value').extract()
を入力し試した際はうまくいったにも関わらず
spaidarに記述したらエラーがでます。
目標としてはトピックのURLを表示してリンクを辿ってスクレイピングをしたいです。
python
1mport scrapy 2 3 4class ListSpider(scrapy.Spider): 5 name = 'list'#spiderの名前 6 allowed_domains = ['db.yugioh-card.com/yugiohdb/card_list.action'] 7 start_urls = ['http://db.yugioh-card.com/yugiohdb/card_list.action/'] 8 def parse(self, response): 9 print(response.css('#card_list_1.link_value').extract()) 10
puthon
1 scrapy crawl list
結果
2019-01-18 14:50:07 [scrapy.utils.log] INFO: Scrapy 1.5.1 started (bot: yu)
2019-01-18 14:50:07 [scrapy.utils.log] INFO: Versions: lxml 4.3.0.0, libxml2 2.9.9, cssselect 1.0.3, parsel 1.5.1, w3lib 1.20.0, Twisted 18.9.0, Python 3.7.2 (default, Dec 27 2018, 07:35:06) - [Clang 10.0.0 (clang-1000.11.45.5)], pyOpenSSL 18.0.0 (OpenSSL 1.1.0j 20 Nov 2018), cryptography 2.4.2, Platform Darwin-18.2.0-x86_64-i386-64bit
2019-01-18 14:50:07 [scrapy.crawler] INFO: Overridden settings: {'BOT_NAME': 'yu', 'NEWSPIDER_MODULE': 'yu.spiders', 'ROBOTSTXT_OBEY': True, 'SPIDER_MODULES': ['yu.spiders']}
2019-01-18 14:50:07 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
'scrapy.extensions.telnet.TelnetConsole',
'scrapy.extensions.memusage.MemoryUsage',
'scrapy.extensions.logstats.LogStats']
2019-01-18 14:50:07 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware',
'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
'scrapy.downloadermiddlewares.retry.RetryMiddleware',
'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware',
'scrapy.downloadermiddlewares.stats.DownloaderStats']
2019-01-18 14:50:07 [scrapy.middleware] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
'scrapy.spidermiddlewares.offsite.OffsiteMiddleware',
'scrapy.spidermiddlewares.referer.RefererMiddleware',
'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
'scrapy.spidermiddlewares.depth.DepthMiddleware']
2019-01-18 14:50:07 [scrapy.middleware] INFO: Enabled item pipelines:
[]
2019-01-18 14:50:07 [scrapy.core.engine] INFO: Spider opened
2019-01-18 14:50:07 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2019-01-18 14:50:07 [scrapy.extensions.telnet] DEBUG: Telnet console listening on 127.0.0.1:6023
2019-01-18 14:50:07 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET https://www.db.yugioh-card.com/robots.txt> from <GET http://www.db.yugioh-card.com/robots.txt>
2019-01-18 14:50:07 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://www.db.yugioh-card.com/robots.txt> (referer: None)
2019-01-18 14:50:07 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET https://www.db.yugioh-card.com/yugiohdb/card_list.action/> from <GET http://www.db.yugioh-card.com/yugiohdb/card_list.action/>
2019-01-18 14:50:07 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://www.db.yugioh-card.com/yugiohdb/card_list.action/> (referer: None)
[]
2019-01-18 14:50:07 [scrapy.core.engine] INFO: Closing spider (finished)
2019-01-18 14:50:07 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 2108,
'downloader/request_count': 4,
'downloader/request_method_count/GET': 4,
'downloader/response_bytes': 8250,
'downloader/response_count': 4,
'downloader/response_status_count/200': 2,
'downloader/response_status_count/302': 2,
'finish_reason': 'finished',
'finish_time': datetime.datetime(2019, 1, 18, 5, 50, 7, 873171),
'log_count/DEBUG': 5,
'log_count/INFO': 7,
'memusage/max': 48877568,
'memusage/startup': 48873472,
'response_received_count': 2,
'scheduler/dequeued': 2,
'scheduler/dequeued/memory': 2,
'scheduler/enqueued': 2,
'scheduler/enqueued/memory': 2,
'start_time': datetime.datetime(2019, 1, 18, 5, 50, 7, 493607)}
2019-01-18 14:50:07 [scrapy.core.engine] INFO: Spider closed (finished)
環境は mac OS 10.14.1 Python 3.7.2 Scrapy 1.5.1 初心者のため、質問がぶしつけで申し訳ございませんがよろしくお願いいたします。
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