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执行scrapy bench命令时触发AssertionError错误求助

执行scrapy bench命令时触发AssertionError错误求助

各位好,我最近在配置Scrapy环境时遇到了一个棘手的问题,尝试了两种安装方式都没能解决,想请教一下大家的思路。

我先是通过conda命令安装了Scrapy及相关工具:

conda install -c conda-forge scrapy pylint autopep8 -y

安装完成后,我运行scrapy bench来测试环境是否正常,结果却弹出了AssertionError错误。之后我又尝试用pip进行全局安装Scrapy,运行同样的测试命令,还是遇到了完全相同的错误。我实在搞不清问题出在哪里,麻烦大家帮忙分析一下原因。

以下是运行scrapy bench时的完整错误日志:

scrapy bench
2025-01-25 13:52:30 [scrapy.utils.log] INFO: Scrapy 2.12.0 started (bot: scrapybot)
2025-01-25 13:52:30 [scrapy.utils.log] INFO: Versions: lxml 5.3.0.0, libxml2 2.13.5, cssselect 1.2.0, parsel 1.10.0, w3lib 2.2.1, Twisted 24.11.0, Python 3.12.8 | packaged by conda-forge | (main, Dec  5 2024, 14:06:27) [MSC v.1942 64 bit (AMD64)], pyOpenSSL 25.0.0 (OpenSSL 3.4.0 22 Oct 2024), cryptography 44.0.0, Platform Windows-11-10.0.26100-SP0
2025-01-25 13:52:31 [scrapy.addons] INFO: Enabled addons:
[]
2025-01-25 13:52:31 [scrapy.extensions.telnet] INFO: Telnet Password: 1d038a25605956ac
2025-01-25 13:52:31 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
 'scrapy.extensions.telnet.TelnetConsole',
 'scrapy.extensions.closespider.CloseSpider',
 'scrapy.extensions.logstats.LogStats']
2025-01-25 13:52:31 [scrapy.crawler] INFO: Overridden settings:
{'CLOSESPIDER_TIMEOUT': 10, 'LOGSTATS_INTERVAL': 1, 'LOG_LEVEL': 'INFO'}
2025-01-25 13:52:32 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.offsite.OffsiteMiddleware',
 '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']
2025-01-25 13:52:32 [scrapy.middleware] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
 'scrapy.spidermiddlewares.referer.RefererMiddleware',
 'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
 'scrapy.spidermiddlewares.depth.DepthMiddleware']
2025-01-25 13:52:32 [scrapy.middleware] INFO: Enabled item pipelines:
[]
2025-01-25 13:52:32 [scrapy.core.engine] INFO: Spider opened
2025-01-25 13:52:32 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2025-01-25 13:52:32 [scrapy.extensions.telnet] INFO: Telnet console listening on 127.0.0.1:6023
2025-01-25 13:52:32 [scrapy.core.scraper] ERROR: Spider error processing <GET http://localhost:8998?total=100000&show=20> (referer: None)
Traceback (most recent call last):
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\utils\defer.py", line 327, in iter_errback
    yield next(it)
          ^^^^^^^^
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\utils\python.py", line 368, in __next__
    return next(self.data)
           ^^^^^^^^^^^^^^^
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\utils\python.py", line 368, in __next__
    return next(self.data)
           ^^^^^^^^^^^^^^^
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\core\spidermw.py", line 106, in process_sync
    yield from iterable
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\spidermiddlewares\referer.py", line 379, in <genexpr>
    return (self._set_referer(r, response) for r in result)
                                                    ^^^^^^
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\core\spidermw.py", line 106, in process_sync
    yield from iterable
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\spidermiddlewares\urllength.py", line 57, in <genexpr>
    return (r for r in result if self._filter(r, spider))
                       ^^^^^^
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\core\spidermw.py", line 106, in process_sync
    yield from iterable
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\spidermiddlewares\depth.py", line 54, in <genexpr>
    return (r for r in result if self._filter(r, response, spider))
                       ^^^^^^
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\core\spidermw.py", line 106, in process_sync
    yield from iterable
  File "C:\Users\Risha\anaconda3\envs\scrapy\Lib\site-packages\scrapy\commands\bench.py", line 70, in parse
    assert isinstance(Response, TextResponse)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError
2025-01-25 13:52:32 [scrapy.core.engine] INFO: Closing spider (finished)
2025-01-25 13:52:32 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 241,
 'downloader/request_count': 1,
 'downloader/request_method_count/GET': 1,
 'downloader/response_bytes': 1484,
 'downloader/response_count': 1,
 'downloader/response_status_count/200': 1,
 'elapsed_time_seconds': 0.140934,
 'finish_reason': 'finished',
 'finish_time': datetime.datetime(2025, 1, 25, 8, 22, 32, 389327, tzinfo=datetime.timezone.utc),
 'items_per_minute': None,
 'log_count/ERROR': 1,
 'log_count/INFO': 10,
 'response_received_count': 1,
 'responses_per_minute': None,
 'scheduler/dequeued': 1,
 'scheduler/dequeued/memory': 1,
 'scheduler/enqueued': 1,
 'scheduler/enqueued/memory': 1,
 'spider_exceptions/AssertionError': 1,
 'start_time': datetime.datetime(2025, 1, 25, 8, 22, 32, 248393, tzinfo=datetime.timezone.utc)}
2025-01-25 13:52:32 [scrapy.core.engine] INFO: Spider closed (finished)

备注:内容来源于stack exchange,提问作者Rishav Dhariwal

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