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Clark Devlin
Asked:2022-04-13 04:57:19 +0000 UTC2022-04-13 04:57:19 +0000 UTC

Numpy 安装错误

  • 772

在安装numpy和pandas.

RuntimeError: Broken toolchain: cannot link a simple C program. 尝试通过.whl文件安装，下载gcc编译器并添加到path，安装visual studio build tools，pip更新。系统windows 10 x64，最新版本，我正在尝试安装，python 3.8.1整个系统安装没有问题。我通过安装PyCharmvenvpip3 install numpy --upgrade

python

1 个回答

  1. Best Answer

    你写了一些了不起的东西。numpy轻松轻松地设置。

    这是一个例子。Windows 10、Powershell 7、Python 3.9。我执行以下操作：

    1. 我创造venv
    2. 我激活venv
    3. 确保 python 指向venv
    4. 我启动python，import numpy然后得到一个重击：No module named 'numpy'
    5. 我numpy通过pip里面安装venv。没有错误。
    6. 我开始 python，我做import numpy- 它有效。

    它在什么阶段破裂？展示整个场景。

    PS:tmp> D:\Software\Python\python -m venv try-env
PS:tmp> .\try-env\Scripts\activate
(try-env) PS:tmp> Get-Command python

CommandType     Name        Version    Source
-----------     ----        -------    ------
Application     python.exe  3.9.4150.… D:\tmp\try-env\Scripts\python.exe

(try-env) PS:tmp> python
Python 3.9.4 (tags/v3.9.4:1f2e308, Apr  6 2021, 13:40:21) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy as np
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'numpy'
>>> ^Z

(try-env) PS:tmp> python -m pip --version
pip 20.2.3 from D:\tmp\try-env\lib\site-packages\pip (python 3.9)
(try-env) PS:tmp> python -m pip install numpy
Collecting numpy
  Using cached numpy-1.20.2-cp39-cp39-win_amd64.whl (13.7 MB)
Installing collected packages: numpy
Successfully installed numpy-1.20.2
WARNING: You are using pip version 20.2.3; however, version 21.0.1 is available.
You should consider upgrading via the 'D:\tmp\try-env\Scripts\python.exe -m pip install --upgrade pip' command.
(try-env) PS:tmp> python
Python 3.9.4 (tags/v3.9.4:1f2e308, Apr  6 2021, 13:40:21) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy as np
>>> ^Z

(try-env) PS:tmp> deactivate
PS:tmp>

    额外检查虚拟环境中的numpy内容：site-packages

    PS:tmp> ls .\try-env\Lib\site-packages\

    Directory: D:\tmp\try-env\Lib\site-packages

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
d----          2021-04-14    18:54                __pycache__
d----          2021-04-14    18:55                numpy
d----          2021-04-14    18:55                numpy-1.20.2.dist-info
d----          2021-04-14    18:54                pip
d----          2021-04-14    18:54                pip-20.2.3.dist-info
d----          2021-04-14    18:54                pkg_resources
d----          2021-04-14    18:54                setuptools
d----          2021-04-14    18:54                setuptools-49.2.1.dist-info
-a---          2021-04-14    18:54            126 easy_install.py
    • 2

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