python3.9 scrapy安装问题

oneface

在https://www.lfd.uci.edu/~gohlke/pythonlibs  下载好文件后
一个一个pip进去
安装完后运行scrapy报错

C:\Users\Administrator>scrapy
Traceback (most recent call last):
  File "f:\python\lib\runpy.py", line 193, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "f:\python\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "F:\python\Scripts\scrapy.exe\__main__.py", line 4, in <module>
  File "f:\python\lib\site-packages\scrapy\__init__.py", line 12, in <module>
    from scrapy.spiders import Spider
  File "f:\python\lib\site-packages\scrapy\spiders\__init__.py", line 11, in <module>
    from scrapy.http import Request
  File "f:\python\lib\site-packages\scrapy\http\__init__.py", line 11, in <module>
    from scrapy.http.request.form import FormRequest
  File "f:\python\lib\site-packages\scrapy\http\request\form.py", line 10, in <module>
    import lxml.html
  File "f:\python\lib\site-packages\lxml\html\__init__.py", line 53, in <module>
    from .. import etree
ImportError: DLL load failed while importing etree: 找不到指定的程序。

反复卸载重装 lxml和scrapy 都没有解决

一个账号

在 CMD 输入这个：

1. pip uninstall scrapy & pip install scrapy

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oneface

一个账号 发表于 2021-1-8 19:49
在 CMD 输入这个：

没用

oneface

一个账号 发表于 2021-1-8 19:49
在 CMD 输入这个：

报一样的错

yukari123

请问cmd在哪找

chinajz

1. pip3 install  --force-reinstall scrapy -i http://pypi.douban.com/simple
   
2. #或者：
   
3. pip3 install  --force-reinstall scrapy -i https://mirrors.aliyun.com/pypi/simple/
   

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chinajz

1. ~ % scrapy
   
2. Scrapy 2.7.1 - no active project
   
3. 
   
4. Usage:
   
5.   scrapy <command> [options] [args]
   
6. 
   
7. Available commands:
   
8.   bench         Run quick benchmark test
   
9.   commands      
   
10.   fetch         Fetch a URL using the Scrapy downloader
    
11.   genspider     Generate new spider using pre-defined templates
    
12.   runspider     Run a self-contained spider (without creating a project)
    
13.   settings      Get settings values
    
14.   shell         Interactive scraping console
    
15.   startproject  Create new project
    
16.   version       Print Scrapy version
    
17.   view          Open URL in browser, as seen by Scrapy
    
18. 
    
19.   [ more ]      More commands available when run from project directory
    
20. 
    
21. Use "scrapy <command> -h" to see more info about a command

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