M.-A. Lemburg wrote: >>> No, I'm talking about a format which has the same if not >>> more benefits as what you're trying to achieve with the >>> .egg file approach, but without all the magic and hacks. >>> >>> It's not like this wouldn't be possible to achieve. >> That may or may not be true. Perhaps if you had participated in the >> original call to the distutils-sig for developing such a format (back in >> December 2004), perhaps the design would've been more to your liking. >> >> Oh wait... you did: >> >> http://mail.python.org/pipermail/distutils-sig/2004-December/004351.html > > Indeed. And I suggested that you reconsider the idea to > use ZIP files for installation (rather than just distribution): > > http://mail.python.org/pipermail/distutils-sig/2004-December/004349.html > >> And if you replace 'syspathtools.use()' in that email, with >> 'pkg_resources.require()', then it describes *exactly how setuptools >> works with .egg directories today*. > > Interesting that you used that idea, because back then you didn't > reply to the email. Looks like I deserve some credit ;-) > > If you've already implemented this (which I wasn't aware of, since > when I played with setuptools it kept installing .egg ZIP files), > then why don't you make .egg *directories* the standard installation > scheme, instead of insisting on having .egg ZIP files in > site-packages/ ? > > I've now played with it again and found that for some > packages (e.g. kid and Paste) it installs these as .egg > directories (horray!). > > For other packages such as elementtree which are not available > as egg files, it still creates egg files (by first downloading the > source package, then creating an egg file and installing that). > > It also uses the egg files for quite a few packages that are > distributed as egg files. > > So far, I've not found a pattern to this. > > I wonder why you don't always create .egg directories. I've now found this section in the documentation which seems to have the reason: http://peak.telecommunity.com/DevCenter/EasyInstall#compressed-installation Apart from the statement "because Python processes zipfile entries on sys.path much faster than it does directories." being wrong, it looks like all you'd have to do, is make --always-unzip the default. Another nit which seems to have been introduced in 0.6a11: you now prepend egg directory entries to other sys.path entries, instead of appending them. What's the reason for that ? Egg directory should really be treated just like any other site-package package and not be allowed to override stdlib modules and packages without explicit user action by e.g. adjusting PYTHONPATH. -- Marc-Andre Lemburg eGenix.com Professional Python Services directly from the Source (#1, Apr 28 2006) >>> Python/Zope Consulting and Support ... http://www.egenix.com/ >>> mxODBC.Zope.Database.Adapter ... http://zope.egenix.com/ >>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/ ________________________________________________________________________ ::: Try mxODBC.Zope.DA for Windows,Linux,Solaris,FreeBSD for free ! ::::
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