On Jan 18, 2008, at 1:55 PM, Phillip J. Eby wrote: ... >> It doesn't appear to be compatible >> with multi-version installs. > > It *can* be compatible, with certain limitations.
I don't see how, unless you mean that only one version is handled this way. >> Also, if a newer egg version removes a >> file, the removed file will be left installed after an upgrade. If >> two eggs provide the same file, files will be overridden. Admittedly, >> this is a somewhat pathological case, but the overriding seems to >> compound the pathology. > > Again, this is all true without eggs now. Clearly, eggs have > spoiled you tremendously. ;-) Absolutely. No kidding. Eggs are great! > Seriously, though, if buildout is tracking what files get installed > or overwritten during unzipping, you can manage all of this, just as > you presumably do for any other sort of installation recipe, no? It isn't possible if different parts need different versions. If I ignore multi-version requirements, then I could keep track of files installed. In addition, a nice feature of buildouts is that you can share egg directories between buildouts. This is very handy, but makes multi- version support even more important. >> As described in a separate thread, I'm going to add an option to >> buildout so buildout users can explicitly define a directory to use >> as >> a setuptools cache. In that case, zip-safe eggs can remain zipped >> even if they have extensions. > > If you want to be really safe/careful, you can pre-extract the eggs > to the cache, thereby avoiding any runtime permission problems. Yup, except I don't see a way to enumerate the resources. After all, resources aren't listed in the egg meta data. I could make an educated guess and extract all of the non-py files. Or I guess I could just extract everything. :) Disk space is pretty cheap, so this is really quite practical IMO. JIm -- Jim Fulton Zope Corporation _______________________________________________ Distutils-SIG maillist - Distutils-SIG@python.org http://mail.python.org/mailman/listinfo/distutils-sig
