运行scrapy后无结果，提示debug信息显示403

2023-01-19 09:51:35 [scrapy.utils.log] INFO: Scrapy 2.7.1 started (bot: tl)

2023-01-19 09:51:35 [scrapy.utils.log] INFO: Versions: lxml 4.5.0.0, libxml2 2.9.9, cssselect 1.2.0, parsel 1.7.0, w3lib 2.1.1, Twisted 22.4.0, Python 3.7.6 (default, Jan 8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)], pyOpenSSL 23.0.0 (OpenSSL 3.0.7 1 Nov 2022), cryptography 39.0.0, Platform Windows-10-10.0.22000-SP0

2023-01-19 09:51:35 [scrapy.crawler] INFO: Overridden settings:

{'BOT_NAME': 'tl',

'NEWSPIDER_MODULE': 'tl.spiders',

'REQUEST_FINGERPRINTER_IMPLEMENTATION': '2.7',

'SPIDER_MODULES': ['tl.spiders'],

'TWISTED_REACTOR': 'twisted.internet.asyncioreactor.AsyncioSelectorReactor'}

2023-01-19 09:51:35 [asyncio] DEBUG: Using selector: SelectSelector

2023-01-19 09:51:35 [scrapy.utils.log] DEBUG: Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor

2023-01-19 09:51:35 [scrapy.utils.log] DEBUG: Using asyncio event loop: asyncio.windows_events._WindowsSelectorEventLoop

2023-01-19 09:51:35 [scrapy.extensions.telnet] INFO: Telnet Password: 14fefb2358fcdeed

2023-01-19 09:51:35 [scrapy.middleware] INFO: Enabled extensions:

['scrapy.extensions.corestats.CoreStats',

'scrapy.extensions.telnet.TelnetConsole',

'scrapy.extensions.logstats.LogStats']

2023-01-19 09:51:35 [scrapy.middleware] INFO: Enabled downloader middlewares:

['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']

2023-01-19 09:51:35 [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']

2023-01-19 09:51:35 [scrapy.middleware] INFO: Enabled item pipelines:

[]

2023-01-19 09:51:35 [scrapy.core.engine] INFO: Spider opened

2023-01-19 09:51:35 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)

2023-01-19 09:51:35 [scrapy.extensions.telnet] INFO: Telnet console listening on 127.0.0.1:6023

2023-01-19 09:51:35 [scrapy.core.engine] DEBUG: Crawled (403) (referer: None)

2023-01-19 09:51:35 [scrapy.spidermiddlewares.httperror] INFO: Ignoring response <403 https://book.douban.com/top250>: HTTP status code is not handled or not allowed

2023-01-19 09:51:35 [scrapy.core.engine] INFO: Closing spider (finished)

2023-01-19 09:51:35 [scrapy.statscollectors] INFO: Dumping Scrapy stats:

{'downloader/request_bytes': 221,

'downloader/request_count': 1,

'downloader/request_method_count/GET': 1,

'downloader/response_bytes': 309,

'downloader/response_count': 1,

'downloader/response_status_count/403': 1,

'elapsed_time_seconds': 0.241555,

'finish_reason': 'finished',

'finish_time': datetime.datetime(2023, 1, 19, 1, 51, 35, 777823),

'httpcompression/response_bytes': 146,

'httpcompression/response_count': 1,

'httperror/response_ignored_count': 1,

'httperror/response_ignored_status_count/403': 1,

'log_count/DEBUG': 4,

'log_count/INFO': 11,

'response_received_count': 1,

'scheduler/dequeued': 1,

'scheduler/dequeued/memory': 1,

'scheduler/enqueued': 1,

'scheduler/enqueued/memory': 1,

'start_time': datetime.datetime(2023, 1, 19, 1, 51, 35, 536268)}

2023-01-19 09:51:35 [scrapy.core.engine] INFO: Spider closed (finished)

修改user_agent后成功，但仍有红色提示

查找default_settings文件（输入from scrapy.settings import default_settings，然后按住Ctrl键，单击default_settings即可打开），修改其中的LOG_LEVEL的值为WARNING。

参考链接

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