+#!/usr/bin/env python
+
+
+import urllib
+import apt
+from debian_bundle import deb822
+from debian_bundle import debtags
+from ConfigParser import SafeConfigParser
+import subprocess
+import os
+import shutil
+import pysvn
+
+codename2descr = {
+ 'apsy_etch': 'Debian GNU/Linux 4.0 (etch)',
+ 'apsy_lenny': 'Debian GNU/Linux 5.0 (lenny)',
+ 'apsy_squeeze': 'Debian testing (squeeze)',
+ 'apsy_sid': 'Debian unstable (sid)',
+ 'apsy_dapper': 'Ubuntu 6.06 LTS "Dapper Drake" (dapper)',
+ 'apsy_edgy': 'Ubuntu 6.10 "Edgy Eft" (edgy)',
+ 'apsy_feisty': 'Ubuntu 7.04 "Feisty Fawn" (feisty)',
+ 'apsy_gutsy': 'Ubuntu 7.10 "Gutsy Gibbon" (gutsy)',
+ 'apsy_hardy': 'Ubuntu 8.04 LTS "Hardy Heron" (hardy)',
+ 'apsy_intrepid': 'Ubuntu 8.10 "Intrepid Ibex" (intrepid)',
+ 'apsy_jaunty': 'Ubuntu 9.04 "Jaunty Jackalope" (jaunty)',
+ }
+
+def transCodename(codename):
+ """Translate a known codename into a release description.
+
+ Unknown codenames will simply be returned as is.
+ """
+ if codename in codename2descr.keys():
+ return codename2descr[codename]
+ else:
+ return codename
+
+
+def createDir(path):
+ if os.path.exists(path):
+ return
+
+ ps = path.split(os.path.sep)
+
+ for i in range(1,len(ps) + 1):
+ p = os.path.sep.join(ps[:i])
+
+ if not os.path.exists(p):
+ os.mkdir(p)
+
+
+class AptListsCache(object):
+ def __init__(self, cachedir='cache', ro_cachedirs=None):
+ self.cachedir = cachedir
+
+ if not ro_cachedirs is None:
+ self.ro_cachedirs = ro_cachedirs
+ else:
+ self.ro_cachedirs = []
+
+ # always use system cache
+ self.ro_cachedirs.append('/var/lib/apt/lists/')
+
+ # create cachedir
+ createDir(self.cachedir)
+
+
+ def get(self, url, update=False):
+ """Looks in the cache if the file is there and takes the cached one.
+ Otherwise it is downloaded first.
+
+ Knows how to deal with http:// and svn:// URLs.
+
+ :Return:
+ file handler
+ """
+ # look whether it is compressed
+ cext = url.split('.')[-1]
+ if cext in ['gz', 'bz2']:
+ target_url = url[:-1 * len(cext) -1]
+ else:
+ # assume not compressed
+ target_url = url
+ cext = None
+
+ # turn url into a filename -- mimik what APT does for
+ # /var/lib/apt/lists/
+ tfilename = '_'.join(target_url.split('/')[2:])
+
+ # if we need to download anyway do not search
+ if update:
+ cfilename = os.path.join(self.cachedir, tfilename)
+ else:
+ # look for the uncompressed file anywhere in the cache
+ cfilename = None
+ for cp in [self.cachedir] + self.ro_cachedirs:
+ if os.path.exists(os.path.join(cp, tfilename)):
+ cfilename = os.path.join(cp, tfilename)
+
+ # nothing found?
+ if cfilename is None:
+ # add cache item
+ cfilename = os.path.join(self.cachedir, tfilename)
+ update = True
+
+ # if updated needed -- download
+ if update:
+ print 'Caching file from %s' % url
+
+ if url.startswith('svn://'):
+ # export from SVN
+ pysvn.Client().export(url, cfilename)
+ if url.startswith('http://'):
+ # download
+ tempfile, ignored = urllib.urlretrieve(url)
+
+ # decompress
+ decompressor = None
+ if cext == 'gz':
+ decompressor = 'gzip'
+ elif cext == 'bz2':
+ decompressor = 'bzip2'
+ elif cext == None:
+ decompressor = None
+ else:
+ raise ValueError, \
+ "Don't know how to decompress %s files" \
+ % cext
+
+ if not decompressor is None:
+ if subprocess.call([decompressor, '-d', '-q', '-f',
+ tempfile]) == 1:
+ raise RuntimeError, \
+ "Something went wrong while decompressing '%s'" \
+ % tempfile
+
+ # move decompressed file into cache
+ shutil.move(os.path.splitext(tempfile)[0], cfilename)
+
+ # XXX do we need that if explicit filename is provided?
+ urllib.urlcleanup()
+
+ # open cached file
+ fh = open(cfilename, 'r')
+
+ return fh
+
+
+
+
+class DebianPkgArchive(SafeConfigParser):
+ """
+ """
+ def __init__(self, cache=None):
+ """
+ :Parameter:
+ """
+ SafeConfigParser.__init__(self)
+
+ # release codnames found in the repos
+ self.releases = {}
+
+ # use provided file cache or use fresh one
+ if not cache is None:
+ self.cache = cache
+ else:
+ self.cache = AptListsCache()
+
+ # init debtags DB
+ self.dtags = debtags.DB()
+ self.dtags.read(open('/var/lib/debtags/package-tags'))
+
+ # init package filter
+ self.pkgfilter = None
+
+
+ def __repr__(self):
+ """Generate INI file content for current content.
+ """
+ # make adaptor to use str as file-like (needed for ConfigParser.write()
+ class file2str(object):
+ def __init__(self):
+ self.__s = ''
+ def write(self, val):
+ self.__s += val
+ def str(self):
+ return self.__s
+
+ r = file2str()
+ self.write(r)
+
+ return r.str()
+
+
+ def save(self, filename):
+ """Write current content to a file.
+ """
+ f = open(filename, 'w')
+ self.write(f)
+ f.close()
+
+
+ def ensureUnique(self, section, option, value):
+ if not self.has_option(section, option):
+ self.set(section, option, value)
+ else:
+ if not self.get(section, option) == value:
+ raise ValueError, "%s: %s is not unique (%s != %s)" \
+ % (section, option,
+ self.get(section, option), value)
+
+
+ def appendUniqueCSV(self, section, option, value):
+ """
+ """
+ if not self.has_option(section, option):
+ self.set(section, option, value)
+ else:
+ l = self.get(section, option).split(', ')
+ if not value in l:
+ self.set(section, option, ', '.join(l + [value]))
+
+
+ def importRelease(self, rurl, force_update=False):
+ # root URL of the repository
+ baseurl = '/'.join(rurl.split('/')[:-1])
+ # get the release file from the cache
+ release_file = self.cache.get(rurl, update=force_update)
+
+ # create parser instance
+ rp = deb822.Release(release_file)
+
+ # architectures on this dist
+ archs = rp['Architectures'].split()
+ components = rp['Components'].split()
+ # compile a new codename that also considers the repository label
+ # to distinguish between official and unofficial repos.
+ codename = '_'.join([rp['Label'], rp['Codename']])
+
+ # store the release itself
+ if not codename in self.releases.keys():
+ self.releases[codename] = components
+
+ # compile the list of Packages files to parse and parse them
+ for c in components:
+ for a in archs:
+ # compile packages URL
+ pkgsurl = '/'.join([baseurl, c, 'binary-' + a, 'Packages.bz2'])
+
+ # retrieve from cache
+ packages_file = self.cache.get(pkgsurl,
+ update=force_update)
+
+ # parse
+ self._parsePkgsFile(packages_file, codename, c, baseurl)
+
+ # cleanup
+ packages_file.close()
+
+ # cleanup
+ release_file.close()
+
+
+ def _parsePkgsFile(self, fh, codename, component, baseurl):
+ """
+ :Parameters:
+ fh: file handler
+ Packages list file
+ codename: str
+ Codename of the release
+ component: str
+ The archive component this packages file corresponds to.
+ """
+ for stanza in deb822.Packages.iter_paragraphs(fh):
+ self._storePkg(stanza, codename, component, baseurl)
+
+
+ def _storePkg(self, st, codename, component, baseurl):
+ """
+ :Parameter:
+ st: Package section
+ """
+ pkg = st['Package']
+
+ if not self.has_section(pkg):
+ self.add_section(pkg)
+
+ # do nothing if package is not in filter if there is any
+ if not self.pkgfilter is None and not pkg in self.pkgfilter:
+ self.ensureUnique(pkg, 'visibility', 'shadowed')
+ else:
+ self.ensureUnique(pkg, 'visibility', 'featured')
+
+ # which releases
+ self.appendUniqueCSV(pkg, "releases", codename)
+
+ # arch listing
+ self.appendUniqueCSV(pkg, "archs %s" % codename, st['Architecture'])
+
+ # versions
+ self.ensureUnique(pkg,
+ "version %s %s" % (codename, st['Architecture']),
+ st['Version'])
+
+ # link to .deb
+ self.ensureUnique(pkg,
+ "file %s %s" % (codename, st['Architecture']),
+ '/'.join(baseurl.split('/')[:-2] + [st['Filename']]))
+
+ # component
+ self.ensureUnique(pkg, 'component ' + codename, component)
+
+ # store the pool url
+ self.ensureUnique(pkg, "poolurl %s" % codename,
+ '/'.join(baseurl.split('/')[:-2] \
+ + [os.path.dirname(st['Filename'])]))
+
+
+ # now the stuff where a single variant is sufficient and where we go for
+ # the latest available one
+ if self.has_option(pkg, "newest version") \
+ and apt.VersionCompare(st['Version'],
+ self.get(pkg, "newest version")) < 0:
+ return
+
+ # everything from here will overwrite existing ones
+
+ # we seems to have an updated package
+ self.set(pkg, "newest version", st['Version'])
+
+ # description
+ self.set(pkg, "description", st['Description'].replace('%', '%%'))
+
+ # maintainer
+ self.set(pkg, "maintainer", st['Maintainer'])
+
+ # optional stuff
+ if st.has_key('Homepage'):
+ self.set(pkg, 'homepage', st['Homepage'])
+
+ # query debtags
+ debtags = self.dtags.tagsOfPackage(pkg)
+ if debtags:
+ self.set(pkg, 'debtags', ', '.join(debtags))
+
+
+ def writeSourcesLists(self, outdir):
+ createDir(outdir)
+ createDir(os.path.join(outdir, 'static'))
+
+ fl = open(os.path.join(outdir, 'sources_lists'), 'w')
+ for trans, r in sorted([(transCodename(k), k)
+ for k in self.releases.keys()]):
+ f = open(os.path.join(outdir, 'static',
+ 'debneuro.%s.sources.list' % r),
+ 'w')
+ f.write("deb http://apsy.gse.uni-magdeburg.de/debian %s %s\n" \
+ % (r, ' '.join(self.releases[r])))
+ f.write("deb-src http://apsy.gse.uni-magdeburg.de/debian %s %s\n" \
+ % (r, ' '.join(self.releases[r])))
+ # XXX use :download: role from sphinx 0.6 on
+ fl.write('* `%s <http://apsy.gse.uni-magdeburg.de/debian/html/_static/debneuro.%s.sources.list>`_\n' \
+ % (trans, r))
+ f.close()
+ fl.close()
+
+
+ def importProspectivePkgsFromTaskFile(self, url):
+ fh = self.cache.get(url)
+
+ for st in deb822.Packages.iter_paragraphs(fh):
+ # do not stop unless we have a description
+ if not st.has_key('Pkg-Description'):
+ continue
+
+ if st.has_key('Depends'):
+ pkg = st['Depends']
+ elif st.has_key('Suggests'):
+ pkg = st['Suggests']
+ else:
+ print 'Warning: Cannot determine name of prospective package ' \
+ '... ignoring.'
+ continue
+
+ # store pkg info
+ if not self.has_section(pkg):
+ self.add_section(pkg)
+
+ # prospective ones are always featured
+ self.ensureUnique(pkg, 'visibility', 'featured')
+
+ # pkg description
+ self.set(pkg, "description",
+ st['Pkg-Description'].replace('%', '%%'))
+
+ # optional stuff
+ if st.has_key('Homepage'):
+ self.set(pkg, 'homepage', st['Homepage'])
+
+ if st.has_key('Pkg-URL'):
+ self.set(pkg, 'external pkg url', st['Pkg-URL'])
+
+ if st.has_key('WNPP'):
+ self.set(pkg, 'wnpp debian', st['WNPP'])
+
+ if st.has_key('License'):
+ self.set(pkg, 'license', st['License'])
+
+ # treat responsible as maintainer
+ if st.has_key('Responsible'):
+ self.set(pkg, "maintainer", st['Responsible'])
+
+
+ def setPkgFilterFromTaskFile(self, urls):
+ pkgs = []
+
+ for task in urls:
+ fh = self.cache.get(task)
+
+
+ # loop over all stanzas
+ for stanza in deb822.Packages.iter_paragraphs(fh):
+ if stanza.has_key('Depends'):
+ pkg = stanza['Depends']
+ elif stanza.has_key('Suggests'):
+ pkg = stanza['Suggests']
+ else:
+ continue
+
+ # account for multiple packages per line
+ if pkg.count(','):
+ pkgs += [p.strip() for p in pkg.split(',')]
+ else:
+ pkgs.append(pkg.strip())
+
+ # activate filter
+ self.pkgfilter = pkgs
+
+
+def genPkgPage(db, pkg):
+ """
+ :Parameters:
+ db: database
+ pkg: str
+ Package name
+ """
+ descr = db.get(pkg, 'description').split('\n')
+
+ s = ''
+
+ # only put index markup for featured packages
+ if db.get(pkg, 'visibility') == 'featured':
+ s = '.. index:: %s, ' % pkg
+ s += '\n'
+
+ if db.has_option(pkg, 'debtags'):
+ # filter tags
+ tags = [t for t in db.get(pkg, 'debtags').split(', ')
+ if t.split('::')[0] in ['field', 'works-with']]
+ if len(tags):
+ s += '.. index:: %s\n\n' % ', '.join(tags)
+
+ # main ref target for this package
+ s += '.. _deb_' + pkg + ':\n'
+
+ # separate header from the rest
+ s += '\n\n\n'
+
+ header = '%s -- %s' % (pkg, descr[0])
+ s += '*' * (len(header) + 2)
+ s += '\n ' + header + '\n'
+ s += '*' * (len(header) + 2) + '\n\n'
+
+ # put description
+ s += '\n'.join([l.lstrip(' .') for l in descr[1:]])
+ s += '\n'
+
+ if db.has_option(pkg, 'homepage'):
+ s += '\n**Homepage**: %s\n' % db.get(pkg, 'homepage')
+
+ s += '\nBinary packages'\
+ '\n===============\n'
+
+ s += genMaintainerSection(db, pkg)
+
+ if db.has_option(pkg, 'wnpp debian'):
+ s += 'A Debian packaging effort has been officially announced. ' \
+ 'Please see the corresponding `intent-to-package bug report`_ ' \
+ 'for more information about its current status.\n\n' \
+ '.. _intent-to-package bug report: http://bugs.debian.org/%s\n\n' \
+ % db.get(pkg, 'wnpp debian')
+
+ s += genBinaryPackageSummary(db, pkg, 'DebNeuro repository')
+
+# if db.has_option(pkg, 'external pkg url'):
+# s += 'Other unofficial ressources\n' \
+# '---------------------------\n\n'
+# s += 'An unofficial package is available from %s\ .\n\n' \
+# % db.get(pkg, 'external pkg url')
+ return s
+
+
+def genMaintainerSection(db, pkg):
+ s = ''
+
+ if not db.has_option(pkg, 'maintainer'):
+ s += '\nCurrently, nobody seems to be responsible for creating or ' \
+ 'maintaining Debian packages of this software.\n\n'
+ return s
+
+ # there is someone responsible
+ maintainer = db.get(pkg, 'maintainer')
+
+ # do we have actual packages, or is it just a note
+ if not db.has_option(pkg, 'releases'):
+ s += '\nThere are currently no binary packages available. However, ' \
+ 'the last known packaging effort was started by %s which ' \
+ 'meanwhile might have led to an initial unofficial Debian ' \
+ 'packaging.\n\n' % maintainer
+ return s
+
+ s += '\n**Maintainer**: %s\n\n' % maintainer
+
+ if not maintainer.startswith('Michael Hanke'):
+ s += '\n.. note::\n'
+ s += ' Do not contact the original package maintainer regarding ' \
+ ' bugs in this unofficial binary package. Instead, contact ' \
+ ' the repository maintainer at michael.hanke@gmail.com\ .'
+
+ return s
+
+
+def genBinaryPackageSummary(db, pkg, reposname):
+ # do nothing if the are no packages
+ if not db.has_option(pkg, 'releases'):
+ return ''
+
+ s = '\n%s\n%s\n' % (reposname, '-' * len(reposname))
+
+ s += 'The repository contains binary packages for the following ' \
+ 'distribution releases and system architectures. Note, that the ' \
+ 'corresponding source packages are of course available too. Please ' \
+ 'click on the release name to access them.\n\n'
+
+ # for all releases this package is part of
+ for rel in db.get(pkg, 'releases').split(', '):
+ # write release description and component
+ s += '\n`%s <%s>`_:\n ' \
+ % (transCodename(rel),
+ db.get(pkg, 'poolurl %s' % rel))
+
+ s += '[%s] ' % db.get(pkg, 'component ' + rel)
+
+ # archs this package is available for
+ archs = db.get(pkg, 'archs ' + rel).split(', ')
+
+ # extract all present versions for any arch
+ versions = [db.get(pkg, 'version %s %s' % (rel, arch))
+ for arch in archs]
+
+ # if there is only a single version for all of them, simplify the list
+ single_ver = versions.count(versions[0]) == len(versions)
+
+ if single_ver:
+ # only one version string for all
+ s += ', '.join(['`%s <%s>`_' \
+ % (arch, db.get(pkg, 'file %s %s' % (rel, arch)))
+ for arch in archs])
+ s += ' (%s)' % versions[0]
+ else:
+ # a separate version string for each arch
+ s += ', '.join(['`%s <%s>`_ (%s)' \
+ % (arch,
+ db.get(pkg, 'file %s %s' % (rel, arch)),
+ db.get(pkg, 'version %s %s' % (rel, arch)))
+ for arch in archs])
+
+ s += '\n'
+
+ return s
+
+def maintainer2email(maint):
+ return maint.split('<')[1].rstrip('>')
+
+
+def writePkgsBy(db, key, value2id, outdir, heading):
+ createDir(outdir)
+ nwkey = key.replace(' ', '')
+ createDir(os.path.join(outdir, 'by%s' % nwkey))
+
+ collector = {}
+
+ # get packages by maintainer
+ for p in db.sections():
+ # only featured packages
+ if db.get(p, 'visibility') == 'shadowed':
+ continue
+
+ if db.has_option(p, key):
+ by = db.get(p, key)
+
+ if not collector.has_key(by):
+ collector[by] = (value2id(by), [p])
+ else:
+ collector[by][1].append(p)
+
+ toc = open(os.path.join(outdir, 'by%s.rst' % nwkey), 'w')
+ toc.write('.. index:: Packages by %s\n.. _by%s:\n\n' % (key, key))
+
+ toc_heading = 'Packages by %s' % key
+ toc.write('%s\n%s\n\n' % (toc_heading, '=' * len(toc_heading)))
+ toc.write('.. toctree::\n :maxdepth: 1\n\n')
+
+ # summary page per maintainer
+ for by in sorted(collector.keys()):
+ toc.write(' by%s/%s\n' % (nwkey, collector[by][0]))
+
+ fh = open(os.path.join(outdir,
+ 'by%s' % nwkey,
+ collector[by][0] + '.rst'), 'w')
+
+ fh.write('.. index:: %s\n.. _%s:\n\n' % (by, by))
+
+ hdr = heading.replace('<ITEM>', by)
+ fh.write(hdr + '\n')
+ fh.write('=' * len(hdr) + '\n\n')
+
+ # write sorted list of packages
+ for p in sorted(collector[by][1]):
+ fh.write('* :ref:`deb_%s`\n' % p)
+
+ fh.close()
+
+ toc.close()
+
+
+def writeRst(db, outdir):
+ createDir(outdir)
+ createDir(os.path.join(outdir, 'pkgs'))
+
+ # open pkgs toctree
+ toc = open(os.path.join(outdir, 'pkgs.rst'), 'w')
+ # write header
+ toc.write('.. _full_pkg_list:\n\n')
+ toc.write('Archive content\n===============\n\n'
+ '.. toctree::\n :maxdepth: 1\n\n')
+
+ for p in sorted(db.sections()):
+ print "Generating page for '%s'" % p
+ pf = open(os.path.join(outdir, 'pkgs', '%s.rst' % p), 'w')
+ pf.write(genPkgPage(db, p))
+
+ # check for doc addons
+ if os.path.exists(os.path.join(outdir, 'pkgs_addenum/%s.rst' % p)):
+ pf.write('\n\n.. include:: ../pkgs_addenum/%s.rst\n' %p)
+ pf.close()
+ toc.write(' pkgs/%s\n' % p)
+
+
+ toc.close()
+
+
+
+def main():
+ dpa = DebianPkgArchive()
+
+ target_dir = 'build/source'
+
+
+ release_urls=[
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/dapper/Release',
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/gutsy/Release',
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/hardy/Release',
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/intrepid/Release',
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/etch/Release',
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/lenny/Release',
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/squeeze/Release',
+ 'http://apsy.gse.uni-magdeburg.de/debian/dists/sid/Release',
+ ]
+
+ taskfiles = [
+ 'svn://svn.debian.org/blends/projects/med/trunk/debian-med/tasks/imaging',
+ 'svn://svn.debian.org/blends/projects/med/trunk/debian-med/tasks/imaging-dev',
+ 'svn://svn.debian.org/blends/projects/science/trunk/debian-science/tasks/neuroscience-cognitive',
+ ]
+
+ dpa.setPkgFilterFromTaskFile(taskfiles)
+ dpa.pkgfilter += ['fsl-doc', 'fslview-doc', 'fsl-atlases', 'fsl-possum-data',
+ 'fsl-first-data', 'fsl-feeds']
+
+ dpa.importProspectivePkgsFromTaskFile(taskfiles[0])
+
+ for rurl in release_urls:
+ dpa.importRelease(rurl, force_update=False)
+
+ dpa.writeSourcesLists(target_dir)
+
+ writeRst(dpa, target_dir)
+ writePkgsBy(dpa, 'maintainer', maintainer2email, target_dir,
+ 'Packages maintained by <ITEM>')
+
+ dpa.save('build/db.db')
+
+
+if __name__ == "__main__":
+ main()
+
projects / neurodebian.git / commitdiff