From ab15eceee650081c4a7c2a4803a210c42f73edd8 Mon Sep 17 00:00:00 2001
From: asaf <asaf@home.localdomain>
Date: Fri, 15 Oct 2010 14:27:25 +0200
Subject: Packages plugin / Client tools : add support for pacman based
 distros(arch, parabola), needs some more work

---
 src/lib/Server/Plugins/Packages.py | 112 +++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)

(limited to 'src/lib/Server/Plugins')

diff --git a/src/lib/Server/Plugins/Packages.py b/src/lib/Server/Plugins/Packages.py
index b83b7444f..b24cd48da 100644
--- a/src/lib/Server/Plugins/Packages.py
+++ b/src/lib/Server/Plugins/Packages.py
@@ -1,6 +1,7 @@
 import cPickle
 import copy
 import gzip
+import tarfile
 import glob
 import logging
 import lxml.etree
@@ -467,6 +468,114 @@ class APTSource(Source):
                pkg not in self.blacklist and \
                (len(self.whitelist) == 0 or pkg in self.whitelist)
 
+class PACSource(Source):
+    basegroups = ['arch', 'parabola']
+    ptype = 'txz'
+
+    def __init__(self, basepath, url, version, arches, components, groups,
+                 rawurl, blacklist, whitelist, recommended):
+        Source.__init__(self, basepath, url, version, arches, components, groups,
+                        rawurl, blacklist, whitelist, recommended)
+        self.pkgnames = set()
+
+        self.url_map = [{'rawurl': self.rawurl, 'url': self.url, 'version': self.version, \
+            'components': self.components, 'arches': self.arches, 'groups': self.groups}]
+
+    def save_state(self):
+        cache = file(self.cachefile, 'wb')
+        cPickle.dump((self.pkgnames, self.deps, self.provides),
+                     cache, 2)
+        cache.close()
+
+    def load_state(self):
+        data = file(self.cachefile)
+        self.pkgnames, self.deps, self.provides = cPickle.load(data)
+
+    def filter_unknown(self, unknown):
+        filtered = set([u for u in unknown if u.startswith('choice')])
+        unknown.difference_update(filtered)
+
+    def get_urls(self):
+        if not self.rawurl:
+            return ["%s/%s/os/%s/%s.db.tar.gz" % \
+                    (self.url, part, arch, part) for part in self.components \
+                    for arch in self.arches]
+        else:
+            raise Exception("PACSource : RAWUrl not supported (yet)")
+    urls = property(get_urls)
+
+
+    def read_files(self):
+        bdeps = dict()
+        bprov = dict()
+
+        if self.recommended:
+            depfnames = ['Depends', 'Pre-Depends', 'Recommends']
+        else:
+            depfnames = ['Depends', 'Pre-Depends']            
+
+        for fname in self.files:
+            if not self.rawurl:
+                barch = [x for x in fname.split('@') if x in self.arches][0]
+            else:
+                # RawURL entries assume that they only have one <Arch></Arch>
+                # element and that it is the architecture of the source.
+                barch = self.arches[0]
+
+            if barch not in bdeps:
+                bdeps[barch] = dict()
+                bprov[barch] = dict()
+            try:
+                print "try to read : " + fname
+                tar = tarfile.open(fname, "r")
+                reader = gzip.GzipFile(fname)
+            except:
+                print("Failed to read file %s" % fname)
+                raise
+
+            for tarinfo in tar:
+                if tarinfo.isdir():
+                    self.pkgnames.add(tarinfo.name.rsplit("-",2)[0])
+                    print "added : " + tarinfo.name.rsplit("-",2)[0]
+            tar.close()
+
+        self.deps['global'] = dict()
+        self.provides['global'] = dict()
+        for barch in bdeps:
+            self.deps[barch] = dict()
+            self.provides[barch] = dict()
+        for pkgname in self.pkgnames:
+            pset = set()
+            for barch in bdeps:
+                if pkgname not in bdeps[barch]:
+                    bdeps[barch][pkgname] = []
+                pset.add(tuple(bdeps[barch][pkgname]))
+            if len(pset) == 1:
+                self.deps['global'][pkgname] = pset.pop()
+            else:
+                for barch in bdeps:
+                    self.deps[barch][pkgname] = bdeps[barch][pkgname]
+        provided = set()
+        for bprovided in bprov.values():
+            provided.update(set(bprovided))
+        for prov in provided:
+            prset = set()
+            for barch in bprov:
+                if prov not in bprov[barch]:
+                    continue
+                prset.add(tuple(bprov[barch].get(prov, ())))
+            if len(prset) == 1:
+                self.provides['global'][prov] = prset.pop()
+            else:
+                for barch in bprov:
+                    self.provides[barch][prov] = bprov[barch].get(prov, ())
+        self.save_state()
+
+    def is_package(self, _, pkg):
+        return pkg in self.pkgnames and \
+               pkg not in self.blacklist and \
+               (len(self.whitelist) == 0 or pkg in self.whitelist)
+
 class Packages(Bcfg2.Server.Plugin.Plugin,
                Bcfg2.Server.Plugin.StructureValidator,
                Bcfg2.Server.Plugin.Generator,
@@ -742,6 +851,9 @@ class Packages(Bcfg2.Server.Plugin.Plugin,
             self.sources.append(APTSource(self.cachepath, **source_from_xml(s)))
         for s in xdata.findall('.//YUMSource'):
             self.sources.append(YUMSource(self.cachepath, **source_from_xml(s)))
+        for s in xdata.findall('.//PACSource'):
+            self.sources.append(PACSource(self.cachepath, **source_from_xml(s)))
+
         cachefiles = []
         for source in self.sources:
             cachefiles.append(source.cachefile)
-- 
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