<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[the_jack的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/the_jack</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; the_jack]]></copyright><item><title><![CDATA[UnicodeDecodeError: ‘utf-8‘ codec can‘t decode byte 0x8b in position”解决方案]]></title><link>https://blog.youkuaiyun.com/the_jack/article/details/117633533</link><guid>https://blog.youkuaiyun.com/the_jack/article/details/117633533</guid><author>the_jack</author><pubDate>Sun, 06 Jun 2021 18:12:14 +0800</pubDate><description><![CDATA[Python3.x爬虫，

发现报错“UnicodeDecodeError: 'utf-8' codec can't decode byte 0x8b in position 1：invalid start byte”，



方法一：

一直在找文件的错误，最后经过网友的提示，错误原因竟然是我的报头中有一条：



“'Accept-Encoding': 'gzip, deflate'”



这一条是我从Fiddler直接复制过来的，为什么用浏览器可以正常浏览，而用Python模仿就不行呢？

...]]></description><category></category></item><item><title><![CDATA[urllib.error.URLError: ＜urlopen error [SSL: CERTIFICATE_VERIFY_FAILED]]]></title><link>https://blog.youkuaiyun.com/the_jack/article/details/117574637</link><guid>https://blog.youkuaiyun.com/the_jack/article/details/117574637</guid><author>the_jack</author><pubDate>Fri, 04 Jun 2021 22:54:48 +0800</pubDate><description><![CDATA[学习爬虫时，用urllib库，发现经常报错，查资料解决。

错误原因：

这是一个SSL证书验证错误，当请求一个https站点，但是证书验证错误时，就会报这样的错误。

解决办法：

只需在代码中加入如下两行将跳过证书的检查，即可成功访问网页。


import ssl
ssl._create_default_https_context = ssl._create_unverified_context
...]]></description><category></category></item><item><title><![CDATA[“xxx“is not defined]]></title><link>https://blog.youkuaiyun.com/the_jack/article/details/117484204</link><guid>https://blog.youkuaiyun.com/the_jack/article/details/117484204</guid><author>the_jack</author><pubDate>Wed, 02 Jun 2021 21:25:17 +0800</pubDate><description><![CDATA[python编程yu dao
]]></description><category></category></item><item><title><![CDATA[TypeError: ‘NoneType’ object is not iterable]]></title><link>https://blog.youkuaiyun.com/the_jack/article/details/117480998</link><guid>https://blog.youkuaiyun.com/the_jack/article/details/117480998</guid><author>the_jack</author><pubDate>Wed, 02 Jun 2021 19:52:16 +0800</pubDate><description><![CDATA[出现TypeError: ‘NoneType’ object is not iterable

的原因在于，最终所被调用的函数所返回的值，和返回值赋值给的变量，不匹配。

此处即为，最终所调用的函数是extractBlogUser，其return为空，所以把返回的空的值，赋值给

(extractOK, extractedBlogUser, generatedBlogEntryUrl)

才会出现类型错误TypeError，才会提示NoneType，即extractBlogUser所return回来的No.]]></description><category></category></item></channel></rss>