Kararlılıkları sağlandı, Gereksiz kısımlar temizlendi

inary/db/groupdb.py

@@ -44,7 +44,8 @@ class GroupDB(lazydb.LazyDB):
 
     def __generate_components(self, doc):
         groups = {}
-        for c in doc.getElementsByTagName("Component"):
+        for c in doc.childNodes:
+            if c.nodeType == c.ELEMENT_NODE and c.tagName == "Component":
             group = c.getElementsByTagName("Group")[0]
             if not group:
                 group = "unknown"
@@ -52,7 +53,8 @@ class GroupDB(lazydb.LazyDB):
         return groups
 
     def __generate_groups(self, doc):
-        return dict([(x.getElementsByTagName("Name")[0].firstChild.data, x.toxml()) for x in doc.getElementsByTagName("Group")])
+        return dict([(x.getElementsByTagName("Name")[0].firstChild.data, x.toxml()) \
+        for x in doc.childNodes if c.nodeType == c.ELEMENT_NODE and c.tagName == "Group"])
 
     def has_group(self, name, repo = None):
         return self.gdb.has_item(name, repo)

inary/db/installdb.py

@@ -20,7 +20,6 @@ __trans = gettext.translation('inary', fallback=True)
 _ = __trans.gettext
 
 import xml.dom.minidom as minidom
-from xml.parsers.expat import ExpatError
 
 # INARY
 import inary

inary/db/packagedb.py

@@ -19,7 +19,6 @@ __trans = gettext.translation('inary', fallback=True)
 _ = __trans.gettext
 
 import xml.dom.minidom as minidom
-from xml.parsers.expat import ExpatError
 
 import inary.db
 import inary.data.metadata as Metadata