I am trying to install “pip install mysqlclient” and it fails everytime. Tried all other things but also didnt work. What should I do?

问题

I am trying to install pip install mysqlclient and it fails everytime. I also tried pip install --only-binary :all: mysqlclient and also not worked. Then I also downloaded whl file and also did't work. I need help. Using python 3.7.2 and pip 19.0.2 version. Here's the whole error thats pop up:

Running setup.py clean for mysqlclient
Failed to build mysqlclient
Installing collected packages: mysqlclient
Running setup.py install for mysqlclient ... error
  Complete output from command c:\users\vertig~1.0\envs\mypro\scripts\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\VERTIG~1.0\\AppData\\Local\\Temp\\pip-install-b81i8gmq\\mysqlclient\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\VERTIG~1.0\AppData\Local\Temp\pip-record-6s1gmot9\install-record.txt --single-version-externally-managed --compile --install-headers c:\users\vertig~1.0\envs\mypro\include\site\python3.7\mysqlclient:
  running install
  running build
  running build_py
  creating build
  creating build\lib.win32-3.7
  creating build\lib.win32-3.7\MySQLdb
  copying MySQLdb\__init__.py -> build\lib.win32-3.7\MySQLdb
  copying MySQLdb\_exceptions.py -> build\lib.win32-3.7\MySQLdb
  copying MySQLdb\compat.py -> build\lib.win32-3.7\MySQLdb
  copying MySQLdb\connections.py -> build\lib.win32-3.7\MySQLdb
  copying MySQLdb\converters.py -> build\lib.win32-3.7\MySQLdb
  copying MySQLdb\cursors.py -> build\lib.win32-3.7\MySQLdb
  copying MySQLdb\release.py -> build\lib.win32-3.7\MySQLdb
  copying MySQLdb\times.py -> build\lib.win32-3.7\MySQLdb
  creating build\lib.win32-3.7\MySQLdb\constants
  copying MySQLdb\constants\__init__.py -> build\lib.win32-3.7\MySQLdb\constants
  copying MySQLdb\constants\CLIENT.py -> build\lib.win32-3.7\MySQLdb\constants
  copying MySQLdb\constants\CR.py -> build\lib.win32-3.7\MySQLdb\constants
  copying MySQLdb\constants\ER.py -> build\lib.win32-3.7\MySQLdb\constants
  copying MySQLdb\constants\FIELD_TYPE.py -> build\lib.win32-3.7\MySQLdb\constants
  copying MySQLdb\constants\FLAG.py -> build\lib.win32-3.7\MySQLdb\constants
  running build_ext
  building 'MySQLdb._mysql' extension
  error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": https://visualstudio.microsoft.com/downloads/

  ----------------------------------------
Command "c:\users\vertig~1.0\envs\mypro\scripts\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\VERTIG~1.0\\AppData\\Local\\Temp\\pip-install-b81i8gmq\\mysqlclient\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\VERTIG~1.0\AppData\Local\Temp\pip-record-6s1gmot9\install-record.txt --single-version-externally-managed --compile --install-headers c:\users\vertig~1.0\envs\mypro\include\site\python3.7\mysqlclient" failed with error code 1 in C:\Users\VERTIG~1.0\AppData\Local\Temp\pip-install-b81i8gmq\mysqlclient\```

So any ideas where the error is getting?

回答1:

error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": https://visualstudio.microsoft.com/downloads/

From the error message its pretty clear that the issue is with with C++ installation on your machine.

FYI: Many Python libs uses C++ under the hood so its mandatory to install the Microsoft visual c++(on windows) as mentioned in the error. You can go ahead and install Microsoft Visual C++ from here or here

Or else if there is no particular use behind mysqlclient you can use this pure pyython MySQL client library named PyMySQL (you need not install visual c++ for using this lib).

来源：https://stackoverflow.com/questions/54723832/i-am-trying-to-install-pip-install-mysqlclient-and-it-fails-everytime-tried-a