From 8c1d583194f53633beddd419b8ef5987b0785b74 Mon Sep 17 00:00:00 2001
From: Narayan Desai <desai@mcs.anl.gov>
Date: Thu, 17 Aug 2006 21:30:15 +0000
Subject: Add new pkglist repo generator

git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@2072 ce84e21b-d406-0410-9b95-82705330c041
---
 tools/create-debian-pkglist.py | 111 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100755 tools/create-debian-pkglist.py

(limited to 'tools/create-debian-pkglist.py')

diff --git a/tools/create-debian-pkglist.py b/tools/create-debian-pkglist.py
new file mode 100755
index 000000000..3d78384e7
--- /dev/null
+++ b/tools/create-debian-pkglist.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+
+'''Build debian/ubuntu package indexes'''
+__revision__ = '$Id: $'
+
+import glob, gzip, lxml.etree, os, re, urllib, cStringIO, sys
+
+def debug(msg):
+    '''print debug messages'''
+    if '-v' in sys.argv:
+        sys.stdout.write(msg)
+
+
+def processSource(prefix, source, dists, archs, prio, groups, packages):
+    '''Build package indices for source'''
+    filename = "%s/%s.xml" % (prefix, source.replace('/', '_'))
+    try:
+        os.stat(filename)
+        filename += '~'
+    except:
+        pass
+    output = open(filename, 'w')
+    depfile = open(filename + '-deps', 'w')
+    groupinfo = "".join(['<Group name="%s">' % group for group in groups])
+    output.write('<PackageList priority="%s" type="deb">%s\n' % (prio, groupinfo))
+    for dist in dists:
+        pkgdata = {}
+        pkgdeps = {}
+        for arch in archs:
+            url = "%s/%s/binary-%s/Packages.gz" % (source, dist, arch)
+            debug("Processing url %s\n" % (url))
+            data = urllib.urlopen(url)
+            buf = cStringIO.StringIO(''.join(data.readlines()))
+            reader = gzip.GzipFile(fileobj=buf)
+            for line in reader.readlines():
+                if line[:8] == 'Package:':
+                    pkgname = line.split(' ')[1].strip()
+                elif line[:8] == 'Version:':
+                    version = line.split(' ')[1].strip()
+                    if pkgdata.has_key(pkgname):
+                        pkgdata[pkgname][arch] = version
+                    else:
+                        pkgdata[pkgname] = {arch:version}
+                elif line[:8] == 'Depends:':
+                    deps = re.sub(',', '', re.sub('\(.*\)', '', line)).split()[1:]
+                    if pkgdeps.has_key(pkgname):
+                        pkgdeps[pkgname][arch] = deps
+                    else:
+                        pkgdeps[pkgname] = {arch:deps}
+                else:
+                    continue
+        coalesced = 0
+        for pkg in pkgdata.keys():
+            data = pkgdata[pkg].values()
+            if data.count(data[0]) == len(data):
+                output.write('<Package name="%s" version="%s"/>\n' % (pkg, data[0]))
+                coalesced += 1
+                del pkgdata[pkg]
+        for pkg in pkgdeps.keys():
+            data = pkgdeps[pkg].values()
+            if data.count(data[0]) == len(data):
+                elt = lxml.etree.Element("Package", name=pkg)
+                [lxml.etree.SubElement(elt, "Package", name=dep) for dep in data[0]]
+                depfile.write(lxml.etree.tostring(elt) + '\n')
+                del pkgdeps[pkg]
+        # now we need to do per-arch entries
+        perarch = 0
+        if pkgdata:
+            for arch in archs:
+                output.write('<Group name="%s">\n' % (arch))
+                for pkg in pkgdata.keys():
+                    if pkgdata[pkg].has_key(arch):
+                        output.write('<Package name="%s" version="%s"/>\n' % (pkg, pkgdata[pkg][arch]))
+                        perarch += 1
+                output.write('</Group>\n')
+        debug("Got %s coalesced, %s per-arch\n" % (coalesced, perarch))
+    closegroup = "".join(['</Group>' for group in groups])
+    output.write('%s</PackageList>\n' % (closegroup))
+    output.close()
+    depfile.close()
+    if filename[-1] == '~':
+        old = open(filename[:-1]).read()
+        new = open(filename).read()
+        if old != new:
+            debug("%s has changed; installing new version\n" % (filename[:-1]))
+            os.rename(filename, filename[:-1])
+        else:
+            debug("%s has not changed\n" % (filename[:-1]))
+
+if __name__ == '__main__':
+    hprefix = '/tmp'
+    rprefix = '/home/desai/data/bcfg2'
+    packages = []
+    for fn in glob.glob("%s/Bundler/*.xml" % rprefix) + glob.glob("%s/Base/*.xml" % rprefix):
+        doc = lxml.etree.parse(fn)
+        [packages.append(pkg.get('name')) for pkg in doc.findall('.//Package') if
+         pkg.get('name') not in packages]
+        
+    print len(packages)
+
+    SOURCES = [('http://security.debian.org/dists/stable/updates',
+                ['main', 'contrib', 'non-free'], ['i386'], '10', ['debian-sarge']),
+               ('http://volatile.debian.net/debian-volatile/dists/stable/volatile',
+                ['main', 'contrib', 'non-free'], ['i386'], '20', ['debian-sarge']),
+               ('http://us.archive.ubuntu.com/ubuntu/dists/dapper',
+                ['main', 'multiverse', 'universe'], ['i386', 'amd64'], 0, ['ubuntu-dapper']),
+               ('http://netzero.mcs.anl.gov/disks/distro/ubuntu/dists/dapper',
+                ['main', 'multiverse', 'universe'], ['i386', 'amd64'], 0, ['ubuntu-dapper'])]
+
+    for src, dsts, ars, pri, grps in SOURCES:
+        processSource(hprefix, src, dsts, ars, pri, grps, packages)
-- 
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