pip3-install-mysqlclient-error

可先安装组件尝试

CentOS:

yum install libmysqld-dev libmysqlclient-dev

Ubuntu:

apt-get install libmysqld-dev libmysqlclient-dev

安装mysqlclient出错

参照:mysqlclient

本地环境:

Python-3.6.2
mysqlclient-1.3.7
mysql-connector-c-6.1.11

安装出错原因:

OSError: mysql_config not found
----------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/jf/qymg1tp13sb434xzh5knyl6r0000gn/T/pip-build-NlZGvS/mysqlclient/

解决办法之一:

首先需要安装 mysql-connector-c

命令:

brew install mysql-connector-c

然后错误会变成另外一个错误:

Traceback (most recent call last):
      File "", line 1, in 
      File "/private/var/folders/2f/r1pwfcp521q7z9kd240tr3700000gn/T/pip-build-u8yhUI/mysqlclient/setup.py", line 17, in 
        metadata, options = get_config()
      File "setup_posix.py", line 54, in get_config
        libraries = [dequote(i[2:]) for i in libs if i.startswith('-l')]
      File "setup_posix.py", line 12, in dequote
        if s[0] in "\"'" and s[0] == s[-1]:
    IndexError: string index out of range

这样,依据在issue中的方法,需要修改mysql_config文件的配置。位于/usr/local/bin/mysql_config

如下:

# origin code

# Create options 
libs="-L$pkglibdir"
libs="$libs -l "

# change to 

# Create options 
libs="-L$pkglibdir"
libs="$libs -lmysqlclient -lssl -lcrypto"

此时重新安装pip3 install mysqlclient.

成功了。

------- 重装系统后,上述方式失败了。。。

运行如下命令安装:

pip install -r requirements.txt --global-option=build_ext --global-option="-I/usr/local/opt/openssl/include" --global-option="-L/usr/local/opt/openssl/lib"

from:ibrary-not-found-for-lssl

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