Windows下Python3安装BeautifulSoup4显示'You are trying to run the Python 2 version of Beautiful Soup under
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今天安装BeautifulSoup4的时候一直出现这种错误,可是我的版本是Python3.6,我以为是我的Python版本高了,换成3.5还是出现这种问题,一开始搜到这篇博文,但是没有试试,造成浪费时间,以后不能太主观的否定了,多试试。
转载自:http://www.cnblogs.com/Dragon5/p/6498422.html
Windows下安装BeautifulSoup4显示’You are trying to run the Python 2 version of Beautiful Soup under Python 3.(python setup.py install
) or by running 2to3 (2to3 -w bs4
).’
按照网上教程,将cmd的目录定位到解压缩文件夹地址,然后 >>python setup.py install
(
Window下不能直接解压tar.giz文件,可以使用7z解压软件提取解压再在CMD下打开
)
但是在IDLE中import bs4时,会出现:
Traceback (most recent call last): File "<pyshell#3>", line 1, in <module> import bs4 File "C:\Users\Administrator\AppData\Local\Programs\Python\Python35-32\lib\bs4\__init__.py", line 48 'You are trying to run the Python 2 version of Beautiful Soup under Python 3. This will not work.'<>'You need to convert the code, either by installing it (`python setup.py install`) or by running 2to3 (`2to3 -w bs4`).'
在网上找了很久,始终没解决。
然后我又试了一下>>easy_setup.py,import bs4时报的错误却是:no such module.
解决办法:直接将压缩文件中的bs4复制到python安装目录下的lib中,然后再利用python自带工具2to3.py将版本2下的.py 文件转化为版本3下的文件。
具体:将bs4文件夹和2to3.py同时放到lib中,然后在cmd中定位到lib,运行:2to3.py bs4 -w就好了。
2to3.py位置:在python安装目录下的Tools/scripts/2to3.py。
2to3.py 用法:2to3.py param1 (-w)
param1 可以是要转换的.py文件,或者是文件夹,如果是文件夹,整个文件夹中的.py都会被转换。
-w可选,如果不写的话默认输出转换后的结果到显示屏,如果要把转换的文件再写入原文件,就需要加上。
现在,就可以from bs4 import BeautifulSoup了。
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