我已经安装了Python 3.5，并且正在运行
pip install mysql-python
它给出了如下错误
错误:Microsoft Visual c++ 14.0是必需的(无法找到vcvarsall.bat)
我已经添加了以下行到我的路径
C:\Program Files\Python 3.5\Scripts\;
C:\Program Files\Python 3.5\;
C:\Windows\System32;
C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC;
C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC
我的电脑上安装了64位的Windows 7。
什么解决方案可以减少这个错误，并通过pip正确安装模块。
当前回答
在Stack Overflow上阅读了很多答案后，没有一个可以工作，我最终设法按照这个问题中的步骤解决它。我将把步骤留在这里，以防页面消失:
请尝试安装Visual Studio 2017的构建工具，选择工作负载“Visual c++构建工具”，并检查选项“c++ /CLI支持”和“vc++ 2015.3 v14.00 (v140)桌面工具集”，如下所示。
其他回答
我也有同样的问题。更新setuptools的解决方案
pip install -U setuptools
or
pip install setuptools --upgrade
要解决以下任何错误:
misaka的车轮建造失败 建造misaka失败 需要Microsoft Visual c++ 14.0 无法找到vcvarsall.bat
解决方案是:
Go to Build Tools for Visual Studio 2017 Select free download under Visual Studio Community 2017. This will download the installer. Run the installer. Select what you need under workload tab: a. Under Windows, there are three choices. Only check Desktop development with C++. b. Under Web & Cloud, there are seven choices. Only check Python development (I believe this is optional, but I have done it). In cmd, type pip3 install misaka. Note if you already installed Visual Studio then when you run the installer, you can modify yours (click modify button under Visual Studio Community 2017) and do steps 3 and 4. Final note: If you don't want to install all modules, having the three below (or a newer version of the VC++ 2017) would be sufficient. (You can also install the Visual Studio Build Tools with only these options, so you don’t need to install Visual Studio Community Edition itself) => This minimal install is already a 4.5 GB, so saving off anything is helpful
我在安装mayavi时遇到了这个问题。
我还犯了一个常见错误:在pip安装库时需要Microsoft Visual c++ 14.0。
在浏览了许多网页和这个问题的解决方案后，没有一个可行，我想出了这些步骤(大部分取自以前的解决方案)可以让这个问题起作用。
Go to Build Tools for Visual Studio 2017 and install Build Tools for Visual Studio 2017. Which is under All downloads (scroll down) → Tools for Visual Studio 2017 If you have already installed this, skip to 2. Select the C++ components you require (I didn't know which I required, so I installed many of them). If you have already installed Build Tools for Visual Studio 2017 then open the application Visual Studio Installer then go to Visual Studio Build Tools 2017 → Modify → Individual Components and selected the required components. From other answers, important components appear to be: C++/CLI support, VC++ 2017 version <...> latest, Visual C++ 2017 Redistributable Update, Visual C++ tools for CMake, Windows 10 SDK <...> for Desktop C++, Visual C++ Build Tools core features, Visual Studio C++ core features. Install/Modify these components for Visual Studio Build Tools 2017. This is the important step. Open the application Visual Studio Installer then go to Visual Studio Build Tools → Launch. Which will open a CMD window at the correct location for Microsoft Visual Studio\YYYY\BuildTools. Now enter python -m pip install --upgrade setuptools within this CMD window. Finally, in this same CMD window, pip install your Python library: pip install -U <library>.
我有完全相同的问题，并通过安装mysql-connector-python解决了它:
pip install mysql-connector-python
我使用的是Python 3.7和Windows 10，安装Microsoft Build Tools for Visual Studio 2017(如这里所述)并没有解决我的问题，这与您的问题相同。
安装spaCy模块时也遇到同样的问题。我检查了控制面板，我已经安装了几个Microsoft Visual c++的可重分发版本。
我选择了“Microsoft Visual Studio Community 2015”，它已经安装在我的电脑上→“修改”→勾选“Visual c++ 2015常用工具”。然后需要一些时间和下载超过1gb来安装它。
这解决了我的问题。现在我已经安装了spaCy。
