On Sat, Feb 6, 2010 at 1:33 PM, P.J. Eby <p...@telecommunity.com> wrote: > At 06:10 PM 2/5/2010 -0800, Sridhar Ratnakumar wrote: > >> On 2010-02-05, at 4:57 PM, P.J. Eby wrote: >> >> > At 04:49 PM 2/5/2010 -0800, Sridhar Ratnakumar wrote: >> >> Do we have a real-world example for installing uninstallable data files >> >> outside sys.prefix? >> > >> > Scripts aren't always in sys.prefix, >> >> Scripts *usually* go to sys.prefix/bin (or sys.prefix/Scripts or >> site.USER_BASE/Scripts). Are their packages that actually put them >> elsewhere? > > It's not the package that determines installation locations, it's the user's > command line options and configuration file settings that determine the > locations for libraries, scripts, and data files. > > >> > Also make sure you're not forgetting e.g. shared hosting scenarios >> > without a virtualenv, unless you're planning to make virtualenvs an >> > officially-supported thing. In such cases, the paths involved won't >> > necessarily fall into a single root. >> >> PyPM is an ActivePython tool which installs itself into, say, >> /opt/ActivePython-2.6 - a single root directory. So we never had to worry >> about other layouts. PyPM supports virtualenvs too, so "pypm -E /tmp/myenv >> install lxml" would install into the specified virtualenv. >> >> > Also don't forget sys.exec_prefix. (Isn't packaging fun?) >> >> In ActivePython, sys.exec_prefix == sys.prefix. > > Yes, well, as I said, isn't packaging (in the wider Python world, where few > such simplifications can be had) fun? ;-)
May I remind of my recent suggestion of a build manifest ? It was precisely designed to solve this kind of issues, and a similar format is used by Cabal for Haskell, which supports a wide variety of install scenario as well. It supports relocation. I am rather suspicious about attempts of designing such things from scratch without looking at how other packaging tools do similar things. cheers, David _______________________________________________ Distutils-SIG maillist - Distutils-SIG@python.org http://mail.python.org/mailman/listinfo/distutils-sig
