Linux/Python/pip3/tips

Linux

1. pip3 install [パッケージ名]のインストール先の確認
   1. pip3 show [パッケージ名]
2. pip3 install [パーケージ名] -t [インストール先]でエラーが出た場合の対処

   Exception:
   Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/pip/basecommand.py", line 215, in main    status = self.run(options, args)
    File "/usr/lib/python3/dist-packages/pip/commands/install.py", line 360, in run
      prefix=options.prefix_path,
    File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 784, in install
      **kwargs
    File "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 851, in install
      self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
    File "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 1064, in move_wheel_files
      isolated=self.isolated,
    File "/usr/lib/python3/dist-packages/pip/wheel.py", line 247, in move_wheel_files
      prefix=prefix,
    File "/usr/lib/python3/dist-packages/pip/locations.py", line 153, in distutils_scheme
      i.finalize_options()
    File "/usr/lib/python3.6/distutils/command/install.py", line 274, in finalize_options
      raise DistutilsOptionError("can't combine user with prefix, "
   distutils.errors.DistutilsOptionError: can't combine user with prefix, exec_prefix/home, or install_(plat)base

   1. pip3 install [パーケージ名] --system -t [インストール先]