seth vidal wrote: > On Wed, 2008-04-23 at 17:45 +0200, Anders Blomdell wrote: >> seth vidal wrote: >>> On Wed, 2008-04-23 at 17:26 +0200, Anders Blomdell wrote: >>>>> My initial thought is if you want to use yum with scripted interactions >>>>> you can call the yum module api from python pretty easily these days. >>>>> >>>>> does that make sense? >>>> Yes, the software that handles updates is already in python. >>>> >>>> Are there any docs available for the API? >>>> >>> limited docs, lots of good examples, though. >>> >>> For an easy way to get started look at: >>> http://fedoraproject.org/wiki/SethVidal/YumCodeSnippets >> 1. I don't see any example equivalent to 'yum -update' there. >> 2. Is there any way to specify a custom configuration without writing a file and >> modify 'my.conf.config_file_path' ? > > > import yum > my = yum.YumBase() > # specify config file > my._getConfig(fn='/path/to/conf/file') > # update all > my.update() > my.resolveDeps() > my.processTransaction() > > > > does that help? If you have immediate questions you can also pop in #yum > on irc.freenode.net - someone in there can frequently help. Don't know yet, I have problems with changing the cachedir location, this naive code extracted and combined from the wiki: #!/usr/bin/python import yum, os, sys # setup base objects my = yum.YumBase() # someplace you can write to as your user my.conf.basecachedir = '/tmp/whereever' if not os.path.exists(my.conf.basecachedir): os.makedirs(my.conf.basecachedir) my.conf.cache = 0 print "before install" my.install(name='somepackage') print "before resolve" my.resolveDeps() print "before process" my.processTransaction() Fails with: before install Traceback (most recent call last): File "./try.py", line 13, in <module> my.install(name='somepackage') File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 1894, in install pkgs = self.pkgSack.searchNevra(name=nevra_dict['name'], File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 529, in <lambda> pkgSack = property(fget=lambda self: self._getSacks(), File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 384, in _getSacks self.repos.populateSack(which=repos) File "/usr/lib/python2.5/site-packages/yum/repos.py", line 242, in populateSack sack.populate(repo, mdtype, callback, cacheonly) File "/usr/lib/python2.5/site-packages/yum/yumRepo.py", line 142, in populate if self._check_db_version(repo, mydbtype): File "/usr/lib/python2.5/site-packages/yum/yumRepo.py", line 199, in _check_db_version if repo.repoXML.repoData.has_key(mdtype): File "/usr/lib/python2.5/site-packages/yum/yumRepo.py", line 774, in <lambda> repoXML = property(fget=lambda self: self._getRepoXML(), File "/usr/lib/python2.5/site-packages/yum/yumRepo.py", line 766, in _getRepoXML self._loadRepoXML(text=self) File "/usr/lib/python2.5/site-packages/yum/yumRepo.py", line 749, in _loadRepoXML cache=self.http_caching == 'all') File "/usr/lib/python2.5/site-packages/yum/yumRepo.py", line 623, in _getFile http_headers=headers, File "/usr/lib/python2.5/site-packages/urlgrabber/mirror.py", line 412, in urlgrab return self._mirror_try(func, url, kw) File "/usr/lib/python2.5/site-packages/urlgrabber/mirror.py", line 398, in _mirror_try return func_ref( *(fullurl,), **kwargs ) File "/usr/lib/python2.5/site-packages/urlgrabber/grabber.py", line 928, in urlgrab return self._retry(opts, retryfunc, url, filename) File "/usr/lib/python2.5/site-packages/urlgrabber/grabber.py", line 846, in _retry r = apply(func, (opts,) + args, {}) File "/usr/lib/python2.5/site-packages/urlgrabber/grabber.py", line 916, in retryfunc fo._do_grab() File "/usr/lib/python2.5/site-packages/urlgrabber/grabber.py", line 1197, in _do_grab else: new_fo = open(self.filename, 'wb') IOError: [Errno 13] Permission denied: '//var/cache/yum/release/repomd.xml' Seems like the cache is not changed... Best regards Anders Blomdell -- Anders Blomdell Email: anders.blomdell@xxxxxxxxxxxxxx Department of Automatic Control Lund University Phone: +46 46 222 4625 P.O. Box 118 Fax: +46 46 138118 SE-221 00 Lund, Sweden _______________________________________________ Yum mailing list Yum@xxxxxxxxxxxxxxxxxxxx https://lists.dulug.duke.edu/mailman/listinfo/yum
