[Python-Dev] PEP 376 proposed changes for basic plugins support (original) (raw)

Steve Holden steve at holdenweb.com
Tue Aug 3 19:05:58 CEST 2010

On 8/3/2010 12:33 PM, Glyph Lefkowitz wrote: >> On Aug 3, 2010, at 4:28 AM, M.-A. Lemburg wrote: >>> I don't think that's a problem: the SQLite database would be a cache >> like e.g. a font cache or TCSH command cache, not a replacement of >> the meta files stored in directories. >>>> Such a database would solve many things at once: faster access to >> the meta-data of installed packages, fewer I/O calls during startup, >> more flexible ways of doing queries on the meta-data, needed for >> introspection and discovery, etc. >> This is exactly what Twisted already does with its plugin cache, and the > previously-cited ticket in this thread should expand the types of > metadata which can be obtained about plugins. > +1 > Packaging systems are perfectly capable of generating and updating such > metadata caches, but various packages of Twisted (Debian's especially) > didn't read our documentation and kept moving around the place where > Python source files were installed, which routinely broke the > post-installation hooks and caused all kinds of problems. >> I would strongly recommend looping in the Python packaging teams from > various distros before adding another such cache, unless you want to > be fielding bugs from Launchpad.net <http://Launchpad.net> for five > years :). >+1

Steve Holden +1 571 484 6266 +1 800 494 3119 DjangoCon US September 7-9, 2010 http://djangocon.us/ See Python Video! http://python.mirocommunity.org/ Holden Web LLC http://www.holdenweb.com/

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