[已解决]为什么呀，呜呜呜，看了好几个安装视频了还是不成功

御坂19090

PS C:\Users\misaka\Desktop> pip install scrapy
Collecting scrapy
  Using cached Scrapy-2.8.0-py2.py3-none-any.whl (272 kB)
Collecting Twisted>=18.9.0
  Using cached Twisted-22.10.0-py3-none-any.whl (3.1 MB)
Collecting cryptography>=3.4.6
  Using cached cryptography-39.0.0-cp36-abi3-win_amd64.whl (2.5 MB)
Collecting cssselect>=0.9.1
  Using cached cssselect-1.2.0-py2.py3-none-any.whl (18 kB)
Collecting itemloaders>=1.0.1
  Using cached itemloaders-1.0.6-py3-none-any.whl (11 kB)
Collecting parsel>=1.5.0
  Using cached parsel-1.7.0-py2.py3-none-any.whl (14 kB)
Collecting pyOpenSSL>=21.0.0
  Using cached pyOpenSSL-23.0.0-py3-none-any.whl (57 kB)
Collecting queuelib>=1.4.2
  Using cached queuelib-1.6.2-py2.py3-none-any.whl (13 kB)
Collecting service-identity>=18.1.0
  Using cached service_identity-21.1.0-py2.py3-none-any.whl (12 kB)
Collecting w3lib>=1.17.0
  Using cached w3lib-2.1.1-py3-none-any.whl (21 kB)
Collecting zope.interface>=5.1.0
  Using cached zope.interface-5.5.2-cp311-cp311-win_amd64.whl (211 kB)
Collecting protego>=0.1.15
  Using cached Protego-0.2.1-py2.py3-none-any.whl (8.2 kB)
Collecting itemadapter>=0.1.0
  Using cached itemadapter-0.7.0-py3-none-any.whl (10 kB)
Requirement already satisfied: setuptools in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from scrapy) (65.5.0)
Requirement already satisfied: packaging in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from scrapy) (22.0)
Collecting tldextract
  Using cached tldextract-3.4.0-py3-none-any.whl (93 kB)
Requirement already satisfied: lxml>=4.3.0 in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from scrapy) (4.9.2)
Collecting PyDispatcher>=2.0.5
  Using cached PyDispatcher-2.0.6.tar.gz (38 kB)
  Preparing metadata (setup.py) ... done
Collecting cffi>=1.12
  Using cached cffi-1.15.1-cp311-cp311-win_amd64.whl (179 kB)
Collecting jmespath>=0.9.5
  Using cached jmespath-1.0.1-py3-none-any.whl (20 kB)
Requirement already satisfied: six in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from protego>=0.1.15->scrapy) (1.16.0)
Collecting attrs>=19.1.0
  Using cached attrs-22.2.0-py3-none-any.whl (60 kB)
Collecting pyasn1-modules
  Using cached pyasn1_modules-0.2.8-py2.py3-none-any.whl (155 kB)
Collecting pyasn1
  Using cached pyasn1-0.4.8-py2.py3-none-any.whl (77 kB)
Collecting constantly>=15.1
  Using cached constantly-15.1.0-py2.py3-none-any.whl (7.9 kB)
Collecting incremental>=21.3.0
  Using cached incremental-22.10.0-py2.py3-none-any.whl (16 kB)
Collecting Automat>=0.8.0
  Using cached Automat-22.10.0-py2.py3-none-any.whl (26 kB)
Collecting hyperlink>=17.1.1
  Using cached hyperlink-21.0.0-py2.py3-none-any.whl (74 kB)
Collecting typing-extensions>=3.6.5
  Using cached typing_extensions-4.4.0-py3-none-any.whl (26 kB)
Collecting twisted-iocpsupport<2,>=1.0.2
  Using cached twisted-iocpsupport-1.0.2.tar.gz (10 kB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Preparing metadata (pyproject.toml) ... done
Requirement already satisfied: idna in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from tldextract->scrapy) (3.4)
Requirement already satisfied: requests>=2.1.0 in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from tldextract->scrapy) (2.28.2)
Collecting requests-file>=1.4
  Using cached requests_file-1.5.1-py2.py3-none-any.whl (3.7 kB)
Requirement already satisfied: filelock>=3.0.8 in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from tldextract->scrapy) (3.9.0)
Collecting pycparser
  Using cached pycparser-2.21-py2.py3-none-any.whl (118 kB)
Requirement already satisfied: charset-normalizer<4,>=2 in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from requests>=2.1.0->tldextract->scrapy) (3.0.1)
Requirement already satisfied: urllib3<1.27,>=1.21.1 in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from requests>=2.1.0->tldextract->scrapy) (1.26.14)
Requirement already satisfied: certifi>=2017.4.17 in c:\users\misaka\appdata\local\programs\python\python311\lib\site-packages (from requests>=2.1.0->tldextract->scrapy) (2022.12.7)
Building wheels for collected packages: twisted-iocpsupport
  Building wheel for twisted-iocpsupport (pyproject.toml) ... error
  error: subprocess-exited-with-error

  × Building wheel for twisted-iocpsupport (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [5 lines of output]
      running bdist_wheel
      running build
      running build_ext
      building 'twisted_iocpsupport.iocpsupport' extension
      error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for twisted-iocpsupport
Failed to build twisted-iocpsupport
ERROR: Could not build wheels for twisted-iocpsupport, which is required to install pyproject.toml-based projects

最佳答案

月排行榜 / 总排行榜

isdkz

2023-2-3 22:10:41

scrapy 的依赖库 twisted 在安装的过程中是需要编译的，你没有编译环境，所以安装失败了

解决方法有两种：
第一种方法： 安装编译环境
第二种方法：下载编译好的，这篇文章有说明 https://www.cnblogs.com/jinghun/p/9092984.html

跳转到最佳答案楼层

isdkz

scrapy 的依赖库 twisted 在安装的过程中是需要编译的，你没有编译环境，所以安装失败了

解决方法有两种：
第一种方法： 安装编译环境
第二种方法：下载编译好的，这篇文章有说明 https://www.cnblogs.com/jinghun/p/9092984.html

BrightXiong

去83行给的网址里面找找

BrightXiong

BrightXiong 发表于 2023-2-3 22:16
去83行给的网址里面找找

下载生成器，更新后，在看看