ERROR: Command errored out with exit status 1:
     command: /root/.pyenv/versions/2.7.18/envs/env27/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-ULsldh/MySQL-python/setup.py'"'"'; __file__='"'"'/tmp/pip-install-ULsldh/MySQL-python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-aa7Smo/install-record.txt --single-version-externally-managed --compile --install-headers /root/.pyenv/versions/2.7.18/envs/env27/include/site/python2.7/MySQL-python
         cwd: /tmp/pip-install-ULsldh/MySQL-python/
    Complete output (30 lines):
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-2.7
    copying _mysql_exceptions.py -> build/lib.linux-x86_64-2.7
    creating build/lib.linux-x86_64-2.7/MySQLdb
    copying MySQLdb/__init__.py -> build/lib.linux-x86_64-2.7/MySQLdb
    copying MySQLdb/converters.py -> build/lib.linux-x86_64-2.7/MySQLdb
    copying MySQLdb/connections.py -> build/lib.linux-x86_64-2.7/MySQLdb
    copying MySQLdb/cursors.py -> build/lib.linux-x86_64-2.7/MySQLdb
    copying MySQLdb/release.py -> build/lib.linux-x86_64-2.7/MySQLdb
    copying MySQLdb/times.py -> build/lib.linux-x86_64-2.7/MySQLdb
    creating build/lib.linux-x86_64-2.7/MySQLdb/constants
    copying MySQLdb/constants/__init__.py -> build/lib.linux-x86_64-2.7/MySQLdb/constants
    copying MySQLdb/constants/CR.py -> build/lib.linux-x86_64-2.7/MySQLdb/constants
    copying MySQLdb/constants/FIELD_TYPE.py -> build/lib.linux-x86_64-2.7/MySQLdb/constants
    copying MySQLdb/constants/ER.py -> build/lib.linux-x86_64-2.7/MySQLdb/constants
    copying MySQLdb/constants/FLAG.py -> build/lib.linux-x86_64-2.7/MySQLdb/constants
    copying MySQLdb/constants/REFRESH.py -> build/lib.linux-x86_64-2.7/MySQLdb/constants
    copying MySQLdb/constants/CLIENT.py -> build/lib.linux-x86_64-2.7/MySQLdb/constants
    running build_ext
    building '_mysql' extension
    creating build/temp.linux-x86_64-2.7
    gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -Dversion_info=(1,2,5,'final',1) -D__version__=1.2.5 -I/usr/include/mysql -I/root/.pyenv/versions/2.7.18/envs/env27/include/python2.7 -c _mysql.c -o build/temp.linux-x86_64-2.7/_mysql.o
    _mysql.c:44:10: fatal error: my_config.h: No such file or directory
       44 | #include "my_config.h"
          |          ^~~~~~~~~~~~~
    compilation terminated.
    error: command 'gcc' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /root/.pyenv/versions/2.7.18/envs/env27/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-ULsldh/MySQL-python/setup.py'"'"'; __file__='"'"'/tmp/pip-install-ULsldh/MySQL-python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-aa7Smo/install-record.txt --single-version-externally-managed --compile --install-headers /root/.pyenv/versions/2.7.18/envs/env27/include/site/python2.7/MySQL-python Check the logs for full command output.

解决办法

apt install libmysqlclient-dev
ln -s /usr/include/mysql/mysql.h /usr/include/mysql/my_config.h