* Fork a pyton-aptsources source tree from update-manager

1 files changed, 164 insertions, 0 deletions

diff --git a/AptSources/DistInfo.py b/AptSources/DistInfo.py
new file mode 100644
index 00000000..57621f52
--- /dev/null
+++ b/AptSources/DistInfo.py
@@ -0,0 +1,164 @@
+#!/usr/bin/env python
+# DistInfo.py - simple parser for a xml-based metainfo file
+#  
+#  Copyright (c) 2005 Gustavo Noronha Silva
+#  
+#  Author: Gustavo Noronha Silva <kov@debian.org>
+# 
+#  This program is free software; you can redistribute it and/or 
+#  modify it under the terms of the GNU General Public License as 
+#  published by the Free Software Foundation; either version 2 of the
+#  License, or (at your option) any later version.
+# 
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+# 
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+#  USA
+
+import os
+import gettext
+from os import getenv
+import ConfigParser
+import string
+
+from gettext import gettext as _
+
+class Suite:
+    def __init__(self):
+        self.name = None
+        self.child = False
+        self.match_name = None
+        self.description = None
+        self.base_uri = None
+        self.type = None
+        self.components = {}
+        self.children = []
+        self.match_uri = None
+        self.valid_mirrors = []
+        self.distribution = None
+        self.available = True
+
+class Component:
+    def __init__(self):
+        self.name = ""
+        self.description = ""
+        self.description_long = ""
+
+class DistInfo:
+    def __init__(self,
+                 dist = None,
+                 base_dir = "/usr/share/update-manager/channels"):
+        self.metarelease_uri = ''
+        self.suites = []
+
+        if not dist:
+            pipe = os.popen("lsb_release -i -s")
+            dist = pipe.read().strip()
+            pipe.close()
+            del pipe
+
+        self.dist = dist
+
+        dist_fname = "%s/%s.info" % (base_dir, dist)
+        dist_file = open (dist_fname)
+        if not dist_file:
+            return
+        suite = None
+        component = None
+        for line in dist_file:
+            tokens = line.split (':', 1)
+            if len (tokens) < 2:
+                continue
+            field = tokens[0].strip ()
+            value = tokens[1].strip ()
+            if field == 'ChangelogURI':
+                self.changelogs_uri = _(value)
+            elif field == 'MetaReleaseURI':
+                self.metarelease_uri = value
+            elif field == 'Suite':
+                if suite:
+                    if component:
+                        suite.components["%s" % component.name] = \
+                            (component.description,
+                             component.description_long)
+                        component = None
+                    self.suites.append (suite)
+                suite = Suite ()
+                suite.name = value
+                suite.distribution = dist
+                suite.match_name = "^%s$" % value
+            elif field == 'MatchName':
+                suite.match_name = value
+            elif field == 'ParentSuite':
+                suite.child = True
+                for nanny in self.suites:
+                    if nanny.name == value:
+                        nanny.children.append(suite)
+                        # reuse some properties of the parent suite
+                        if suite.match_uri == None:
+                            suite.match_uri = nanny.match_uri
+                        if suite.valid_mirrors == None:
+                            suite.valid_mirrors = nanny.valid_mirrors
+                        if suite.base_uri == None:
+                            suite.base_uri = nanny.base_uri
+            elif field == 'Available':
+                suite.available = value
+            elif field == 'RepositoryType':
+                suite.type = value
+            elif field == 'BaseURI':
+                suite.base_uri = value
+                suite.match_uri = value
+            elif field == 'MatchURI':
+                suite.match_uri = value
+            elif field == 'MirrorsFile':
+                if os.path.exists(value):
+                    suite.valid_mirrors = filter(lambda s:
+                                                 ((s != "") and
+                                                  (not s.startswith("#"))),
+                                                 map(string.strip,
+                                                     open(value)))
+                else:
+                    print "WARNING: can't read '%s'" % value
+            elif field == 'Description':
+                suite.description = _(value)
+            elif field == 'Component':
+                if component:
+                    suite.components["%s" % component.name] = \
+                        (component.description,
+                         component.description_long)
+                component = Component ()
+                component.name = value
+            elif field == 'CompDescription':
+                component.description = _(value)
+            elif field == 'CompDescriptionLong':
+                component.description_long = _(value)
+        if suite:
+            if component:
+                suite.components["%s" % component.name] = \
+                    (component.description,
+                     component.description_long)
+                component = None
+            self.suites.append (suite)
+            suite = None
+
+
+if __name__ == "__main__":
+    d = DistInfo ("Ubuntu", "../../data/channels")
+    print d.changelogs_uri
+    for suite in d.suites:
+        print "\nSuite: %s" % suite.name
+        print "Desc: %s" % suite.description
+        print "BaseURI: %s" % suite.base_uri
+        print "MatchURI: %s" % suite.match_uri
+        print "Mirrors: %s" % suite.valid_mirrors
+        for component in suite.components:
+            print "  %s - %s - %s - %s" % (component, 
+                                       suite.components[component][0],
+                                       suite.components[component][1])
+        for child in suite.children:
+            print "  %s" % child.description