On 17.02.2016 11:09, Paul Moore wrote:
On 16 February 2016 at 22:52, Robert Collins <[email protected]> wrote:
An alternative would be great, though I can probably fake things somehow for
my purposes.
Sounds similar to Daniel's need - and again, --prefix + setting PATH
and PYTHONPATH would be better.
Note that if I read the help for --prefix correctly, "pip install
--target x foo" puts foo in x, whereas "pip install --prefix x foo"
puts foo in x/lib. So how would setting prefix allow me to put foo in
x, and not in a subdirectory? That is specifically my requirement (and
the vendoring requirement in general).
I just discovered a way that lets you do just that, but before using it
for my own code I'd like to know whether you would consider it a weird
hack that will probably not work in the future or something reasonable
that could be used in production code? Here's the trick:
write a temporary distutils setup.cfg file in the current working
directory with the content:
[install]
install-lib=abspath/to/target_dir
then run pip from that directory like so:
pip install packagexy --prefix abspath/to/target_dir
Of note, combining a local setup.cfg file and --prefix like this isn't
documented and to me it wasn't even clear whether the file would be
expected in the current working directory that pip gets run in or in the
downloaded package.
What is more, the local setup.cfg file can also be used to specify a
complete installation scheme for use without the --prefix option.
As I said I'm really interested in your opinions,
Wolfgang
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