Is it possible to add a variable for the default for all the pip flags?

[hmaarrfk]

It would seem appropriate to me to have an environment variable PIP_INSTALL_FLAGS that contains all the default flags we would like maintainers to include in their builds

It would look something like this

PIP_INSTALL_FLAGS=--no-deps --ignore-installed --no-cache-dir -vvv

(and maybe and an other flag as discussed here conda-forge/pip-feedstock#21 )
and allow the recipe to look like

{{ PYTHON }} -m pip install . {{ PIP_INSTALL_FLAGS }}

and taking it one step further

{{ PIP }} install . {{ PIP_INSTALL_FLAGS }}

with PIP=python -m pip

I'm not sure if hiding --no-deps parameter is useful for the general audiance as it is quite important.

[mariusvniekerk]

Seems like a good idea to me. My main reservations against it is that it does make conda recipes less reusable outside of a conda-forge context.