1. 개요

pip install 시 distutils.errors.DistutilsOptionError: must supply either home or prefix/exec-prefix -- not both 에러 발생

pip3 install pymysql -t ./
Collecting pymysql
  Using cached https://files.pythonhosted.org/packages/ed/39/15045ae46f2a123019aa968dfcba0396c161c20f855f11dea6796bcaae95/PyMySQL-0.9.3-py2.py3-none-any.whl
[install]
Installing collected packages: pymysql
ERROR: Exception:
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 178, in main
    status = self.run(options, args)
  File "/usr/local/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 414, in run
    use_user_site=options.use_user_site,
  File "/usr/local/lib/python3.7/site-packages/pip/_internal/req/__init__.py", line 58, in install_given_reqs
    **kwargs
  File "/usr/local/lib/python3.7/site-packages/pip/_internal/req/req_install.py", line 920, in install
    use_user_site=use_user_site, pycompile=pycompile,
  File "/usr/local/lib/python3.7/site-packages/pip/_internal/req/req_install.py", line 448, in move_wheel_files
    warn_script_location=warn_script_location,
  File "/usr/local/lib/python3.7/site-packages/pip/_internal/wheel.py", line 320, in move_wheel_files
    prefix=prefix,
  File "/usr/local/lib/python3.7/site-packages/pip/_internal/locations.py", line 180, in distutils_scheme
    i.finalize_options()
  File "/usr/local/Cellar/python/3.7.4/Frameworks/Python.framework/Versions/3.7/lib/python3.7/distutils/command/install.py", line 248, in finalize_options
    "must supply either home or prefix/exec-prefix -- not both")
distutils.errors.DistutilsOptionError: must supply either home or prefix/exec-prefix -- not both

2. 해결책

setup.cfg 파일을 생성한다. 내용은 단지 다음과 같다.

[install]
prefix=

3. 정상 확인

$ pip3 install pymysql -t ./
Collecting pymysql
  Using cached https://files.pythonhosted.org/packages/ed/39/15045ae46f2a123019aa968dfcba0396c161c20f855f11dea6796bcaae95/PyMySQL-0.9.3-py2.py3-none-any.whl
Installing collected packages: pymysql
Successfully installed pymysql-0.9.3