今天docker内搭建python3.10环境时报这个错误，安装 mysqlclient 时报错。
WARNING: The directory '/home/seluser/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you should use sudo's -H flag.Collecting mysqlclient Downloading mysqlclient-2.2.0.tar.gz (89 kB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 89.5/89.5 KB 114.5 kB/s eta 0:00:00 Installing build dependencies ... done Getting requirements to build wheel ... error error: subprocess-exited-with-error × Getting requirements to build wheel did not run successfully. │ exit code: 1 ╰─> [22 lines of output] Trying pkg-config --exists mysqlclient Command 'pkg-config --exists mysqlclient' returned non-zero exit status 1. Trying pkg-config --exists mariadb Command 'pkg-config --exists mariadb' returned non-zero exit status 1. Traceback (most recent call last): File "/home/seluser/.pyenv/versions/3.10.3/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 363, in main() File "/home/seluser/.pyenv/versions/3.10.3/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 345, in main json_out['return_val'] = hook(**hook_input['kwargs']) File "/home/seluser/.pyenv/versions/3.10.3/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 130, in get_requires_for_build_wheel return hook(config_settings) File "/tmp/pip-build-env-wke_e7h4/overlay/lib/python3.10/site-packages/setuptools/build_meta.py", line 355, in get_requires_for_build_wheel return self._get_build_requires(config_settings, requirements=['wheel']) File "/tmp/pip-build-env-wke_e7h4/overlay/lib/python3.10/site-packages/setuptools/build_meta.py", line 325, in _get_build_requires self.run_setup() File "/tmp/pip-build-env-wke_e7h4/overlay/lib/python3.10/site-packages/setuptools/build_meta.py", line 341, in run_setup exec(code, locals()) File "", line 154, in File "", line 48, in get_config_posix File "", line 27, in find_package_name Exception: Can not find valid pkg-config name. Specify MYSQLCLIENT_CFLAGS and MYSQLCLIENT_LDFLAGS env vars manually [end of output] note: This error originates from a subprocess, and is likely not a problem with pip.error: subprocess-exited-with-error 找了半天找不到为什么,
最后网上搜索到一个命令：
apt-get install libmysqlclient-dev先安装了这个后，再安装就没问题了。
话说docker安装python环境是真的扯淡
来源地址：https://blog.csdn.net/jioulongzi/article/details/132746506
