DistutilsOptionError: must supply either home or prefix/exec-prefix — not both

Question

I\'ve been usually installed python packages through pip.

For Google App Engine, I need to install packages to another target directory.

I\'ve tried:

Answer 1

Another solution* for Homebrew users is simply to use a virtualenv.

Of course, that may remove the need for the target directory anyway - but even if it doesn't, I've found --target works by default (as in, without creating/modifying a config file) when in a virtual environment.

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*I say solution; perhaps it's just another motivation to meticulously use venvs...