scrapy如何手动停止爬虫？

Question

没用代理ip前我都是ctrl+c停下爬虫，用了代理，ctrl+c停不下来，下面是ctrl+c停止后的信息

2021-05-10 09:46:03 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET https://www.b2b168.com/c168-19142095.html> (failed 1 times): [<twisted.pyth
on.failure.Failure twisted.internet.error.ConnectionLost: Connection to the other side was lost in a non-clean fashion: Connection lost.>]
2021-05-10 09:46:03 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET https://www.b2b168.com/c168-19146912.html> (failed 1 times): [<twisted.pyth
on.failure.Failure twisted.internet.error.ConnectionLost: Connection to the other side was lost in a non-clean fashion: Connection lost.>]
2021-05-10 09:46:03 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET https://www.b2b168.com/c168-19185028.html> (failed 1 times): An error occur
red while connecting: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionLost'>: Connection to the other sid
e was lost in a non-clean fashion: Connection lost.

2021-05-10 09:46:03 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET https://www.b2b168.com/c168-19146450.html> (failed 1 times): [<twisted.pyth
on.failure.Failure twisted.internet.error.ConnectionLost: Connection to the other side was lost in a non-clean fashion: Connection lost.>]
2021-05-10 09:46:54 [urllib3.connectionpool] DEBUG: Starting new HTTPS connection (1): dps.kdlapi.com:443
2021-05-10 09:46:54 [urllib3.connectionpool] DEBUG: https://dps.kdlapi.com:443 "GET /api/getdps/?orderid=962036615546243&num=1&pt=1&format=json&sep=1 HTT
P/1.1" 200 None
2021-05-10 09:47:54 [urllib3.connectionpool] DEBUG: Starting new HTTPS connection (1): dps.kdlapi.com:443
2021-05-10 09:47:54 [urllib3.connectionpool] DEBUG: https://dps.kdlapi.com:443 "GET /api/getdps/?orderid=962036615546243&num=1&pt=1&format=json&sep=1 HTT
P/1.1" 200 None
2021-05-10 09:48:54 [urllib3.connectionpool] DEBUG: Starting new HTTPS connection (1): dps.kdlapi.com:443
2021-05-10 09:48:55 [urllib3.connectionpool] DEBUG: https://dps.kdlapi.com:443 "GET /api/getdps/?orderid=962036615546243&num=1&pt=1&format=json&sep=1 HTT
P/1.1" 200 None
2021-05-10 09:49:55 [urllib3.connectionpool] DEBUG: Starting new HTTPS connection (1): dps.kdlapi.com:443
2021-05-10 09:49:55 [urllib3.connectionpool] DEBUG: https://dps.kdlapi.com:443 "GET /api/getdps/?orderid=962036615546243&num=1&pt=1&format=json&sep=1 HTT
P/1.1" 200 None

Answer 1

Ctrl+C 只是终止主线程,你的其他线程没有守护,所以 Ctrl+C 后它们继续运行。

 

另外scrapy中的 Ctrl+C 是暂停，并不是完全停止，Ctrl+C 是断点续爬的基础。

 

 

<font face="-apple-system, SF UI Text, Arial, PingFang SC, Hiragino Sans GB, Microsoft YaHei, WenQuanYi Micro Hei, sans-serif, SimHei, SimSun">可以 </font>Ctrl+C 然后<font face="-apple-system, SF UI Text, Arial, PingFang SC, Hiragino Sans GB, Microsoft YaHei, WenQuanYi Micro Hei, sans-serif, SimHei, SimSun"> </font>Ctrl+Z 再 Ctrl+C