On Mon, May 16, 2011 at 10:05 AM, Hedayat Vatankhah <hedayat....@gmail.com>wrote:
> > > *seth vidal <skvi...@fedoraproject.org> <skvi...@fedoraproject.org>*wrote on > 05/16/2011 8:10:22 AM +0450: > > On Sun, 2011-05-15 at 12:57 +0430, Hedayat Vatankhah wrote: > > Hi all, > As you may already knew, still not having enough time to work on more > fundamental things, I've create a simple yum plugin[1] which tries to > take advantage of aria2c to provide faster downloads compared to current > URLGrabber. Currently, it is activated for downloading metadata dbs and > RPM packages. For the former, I override yum repo's _retrieveMD() > (calling the original function at the end to make sure that everything > is OK) and for the latter, I use a predownload hook. > > First, any comments on the code is highly appreciated, specially as it > is my first serious yum code and it is not very long. > > Then, suggestions for future enhancements are very welcome. I'm > specifically interested to be able to download metadata's in parallel, > and also downloading delta rpms. The latter is achievable by overriding > _getFile() when a whole file is going to be downloaded, but I would > prefer to find a solution which let me download multiple delta rpms in > parallel too. BTW, probably I should contact presto's author for this. > > Anyway, I'm looking forward for any comments in this regard. > > > A few things spring to mind: > > 1. downloading code in a plugin is always going to be plagued with > issues - especially for yum-utils or other things using yum - like from > a gui (yumex or pk). > > I should admit that I've not tried yum-utils after installing this plugin, > however fortunately PK works fine with it. I had an issue with being run > before presto, which forced me to rename the plugin so that it comes after > presto alphabetically. I have not tried yumex too. :P > > I have tested it with yumex, it dont blowup, but there is no kind of useful callback from the downloading, so if some kind of extra metadata is needed like filelist, you just get a busy cursor instead of a progress bar showing how much is downloaded at the current point in time. But is it could be implemented in a URLGrapper way, it could be useful Tim
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