diff --git a/src/BaseDoc.py b/src/BaseDoc.py
index 2c455747d..4d8b01190 100644
--- a/src/BaseDoc.py
+++ b/src/BaseDoc.py
@@ -1199,7 +1199,7 @@ class SheetParser(handler.ContentHandler):
             self.f.set_underline(int(attrs['underline']))
             self.f.set_color(cnv2color(attrs['color']))
         elif tag == "para":
-            if attrs.has_key('description'):
+            if 'description' in attrs:
                 self.p.set_description(attrs['description'])
             self.p.set_right_margin(Utils.gfloat(attrs['rmargin']))
             self.p.set_right_margin(Utils.gfloat(attrs['rmargin']))
diff --git a/src/Config/_GrampsIniKeys.py b/src/Config/_GrampsIniKeys.py
index 340b4e973..ffa6aefd4 100644
--- a/src/Config/_GrampsIniKeys.py
+++ b/src/Config/_GrampsIniKeys.py
@@ -75,7 +75,7 @@ class IniKeyClient:
         data = {}
         for sec in cp.sections():
             name = sec.lower()
-            if not data.has_key(name):
+            if name not in data:
                 data[name] = {}
             for opt in cp.options(sec):
                 data[name][opt.lower()] = cp.get(sec, opt).strip()
diff --git a/src/DataViews/RelationView.py b/src/DataViews/RelationView.py
index 677a27ec1..78ad1a345 100644
--- a/src/DataViews/RelationView.py
+++ b/src/DataViews/RelationView.py
@@ -1089,7 +1089,7 @@ class RelationshipView(PageView.PersonNavView):
         """
         if button_activated(event, _LEFT_BUTTON):
             person, handle = pair
-            if self.collapsed_items.has_key(person.handle):
+            if person.handle in self.collapsed_items:
                 if handle in self.collapsed_items[person.handle]:
                     self.collapsed_items[person.handle].remove(handle)
                 else:
diff --git a/src/DateHandler/__init__.py b/src/DateHandler/__init__.py
index 45161b159..4df2866c0 100644
--- a/src/DateHandler/__init__.py
+++ b/src/DateHandler/__init__.py
@@ -45,7 +45,7 @@ import _Date_sv
 
 # Initialize global parser
 try:
-    if LANG_TO_PARSER.has_key(LANG):
+    if LANG in LANG_TO_PARSER:
         parser = LANG_TO_PARSER[LANG]()
     else:
         parser = LANG_TO_PARSER[LANG_SHORT]()
@@ -64,7 +64,7 @@ except:
         val = 0
 
 try:
-    if LANG_TO_DISPLAY.has_key(LANG):
+    if LANG in LANG_TO_DISPLAY:
         displayer = LANG_TO_DISPLAY[LANG](val)
     else:
         displayer = LANG_TO_DISPLAY[LANG_SHORT](val)
diff --git a/src/DbLoader.py b/src/DbLoader.py
index 6fe5cc3ca..ff5277d4e 100644
--- a/src/DbLoader.py
+++ b/src/DbLoader.py
@@ -431,7 +431,7 @@ def format_maker(formats):
     """
     format_list = [ ('auto', _('Automatically detected')) ]
     for format in formats:
-        if _KNOWN_FORMATS.has_key(format):
+        if format in _KNOWN_FORMATS:
             format_list.append( (format, _KNOWN_FORMATS[format][0]) )
 
     type_selector = GrampsFormatWidget()
diff --git a/src/DbManager.py b/src/DbManager.py
index 740a82031..6cf273305 100644
--- a/src/DbManager.py
+++ b/src/DbManager.py
@@ -45,7 +45,7 @@ LOG = logging.getLogger(".DbManager")
 
 if os.sys.platform == "win32":
     _RCS_FOUND = os.system("rcs -V >nul 2>nul") == 0
-    if _RCS_FOUND and not os.environ.has_key("TZ"):
+    if _RCS_FOUND and "TZ" not in os.environ:
         # RCS requires the "TZ" variable be set.
         os.environ["TZ"] = str(time.timezone)
 else:
diff --git a/src/DisplayModels/_PeopleModel.py b/src/DisplayModels/_PeopleModel.py
index 91fe9e31d..ab682a198 100644
--- a/src/DisplayModels/_PeopleModel.py
+++ b/src/DisplayModels/_PeopleModel.py
@@ -133,7 +133,7 @@ class NodeTreeMap:
             return (self.top_iter2path[surname], index)
 
     def has_entry(self, handle):
-        return self.iter2path.has_key(handle)
+        return handle in self.iter2path
 
     def get_iter(self, path):
         try:
@@ -146,7 +146,7 @@ class NodeTreeMap:
             return None
         
     def has_top_node(self, node):
-        return self.sname_sub.has_key(node)
+        return node in self.sname_sub
 
     def find_next_node(self, node):
         try:
@@ -167,7 +167,7 @@ class NodeTreeMap:
     def has_child(self, node):
         if node is None:
             return len(self.sname_sub)
-        if self.sname_sub.has_key(node) and len(self.sname_sub[node]) > 0:
+        if node in self.sname_sub and len(self.sname_sub[node]) > 0:
             return True
         return False
 
diff --git a/src/FilterEditor/_EditRule.py b/src/FilterEditor/_EditRule.py
index 17051f216..dca278c76 100644
--- a/src/FilterEditor/_EditRule.py
+++ b/src/FilterEditor/_EditRule.py
@@ -490,7 +490,7 @@ class EditRule(ManagedWindow.ManagedWindow):
                     t = MyFilters(self.filterdb.get_filters('Event'))
                 elif v == _('Source filter name:'):
                     t = MyFilters(self.filterdb.get_filters('Source'))
-                elif _name2typeclass.has_key(v):
+                elif v in _name2typeclass:
                     t = MySelect(_name2typeclass[v])
                 elif v == _('Inclusive:'):
                     t = MyBoolean(_('Include original person'))
diff --git a/src/Filters/Rules/Family/_IsBookmarked.py b/src/Filters/Rules/Family/_IsBookmarked.py
index 3b5c3cb71..b7493e9e2 100644
--- a/src/Filters/Rules/Family/_IsBookmarked.py
+++ b/src/Filters/Rules/Family/_IsBookmarked.py
@@ -18,7 +18,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
 
-# $Id:  $
+# $Id$
 
 #-------------------------------------------------------------------------
 #
diff --git a/src/Filters/Rules/Person/_HasCommonAncestorWith.py b/src/Filters/Rules/Person/_HasCommonAncestorWith.py
index 5da05718d..658f9f7b1 100644
--- a/src/Filters/Rules/Person/_HasCommonAncestorWith.py
+++ b/src/Filters/Rules/Person/_HasCommonAncestorWith.py
@@ -79,5 +79,5 @@ class HasCommonAncestorWith(Rule):
         handle = person.handle
         return for_each_ancestor(
             db,[handle],
-            lambda self, handle: self.ancestor_cache.has_key(handle),
+            lambda self, handle: handle in self.ancestor_cache,
             self);
diff --git a/src/Filters/Rules/Person/_HasCommonAncestorWithFilterMatch.py b/src/Filters/Rules/Person/_HasCommonAncestorWithFilterMatch.py
index c2186530a..1bd4117b2 100644
--- a/src/Filters/Rules/Person/_HasCommonAncestorWithFilterMatch.py
+++ b/src/Filters/Rules/Person/_HasCommonAncestorWithFilterMatch.py
@@ -60,7 +60,7 @@ class HasCommonAncestorWithFilterMatch(HasCommonAncestorWith,MatchesFilter):
         filt.prepare(db)
         def init(self, h): self.ancestor_cache[h] = 1
         for handle in db.get_person_handles(sort_handles=False):
-            if (not self.ancestor_cache.has_key (handle)
+            if (handle not in self.ancestor_cache
                 and filt.apply (db, db.get_person_from_handle(handle))):
                 for_each_ancestor(db,[handle],init,self)
         filt.reset()
diff --git a/src/Filters/Rules/Person/_IsAncestorOf.py b/src/Filters/Rules/Person/_IsAncestorOf.py
index edcc78253..65147b841 100644
--- a/src/Filters/Rules/Person/_IsAncestorOf.py
+++ b/src/Filters/Rules/Person/_IsAncestorOf.py
@@ -68,7 +68,7 @@ class IsAncestorOf(Rule):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_ancestor_list(self,db,person,first):
         if not person:
diff --git a/src/Filters/Rules/Person/_IsAncestorOfFilterMatch.py b/src/Filters/Rules/Person/_IsAncestorOfFilterMatch.py
index 71d16bef2..0688f9a7d 100644
--- a/src/Filters/Rules/Person/_IsAncestorOfFilterMatch.py
+++ b/src/Filters/Rules/Person/_IsAncestorOfFilterMatch.py
@@ -77,4 +77,4 @@ class IsAncestorOfFilterMatch(IsAncestorOf,MatchesFilter):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
diff --git a/src/Filters/Rules/Person/_IsChildOfFilterMatch.py b/src/Filters/Rules/Person/_IsChildOfFilterMatch.py
index 7ebdafed9..ec8a4eb9a 100644
--- a/src/Filters/Rules/Person/_IsChildOfFilterMatch.py
+++ b/src/Filters/Rules/Person/_IsChildOfFilterMatch.py
@@ -63,7 +63,7 @@ class IsChildOfFilterMatch(MatchesFilter):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_list(self,person):
         if not person:
diff --git a/src/Filters/Rules/Person/_IsDescendantOf.py b/src/Filters/Rules/Person/_IsDescendantOf.py
index 3655f0219..203e2d5a3 100644
--- a/src/Filters/Rules/Person/_IsDescendantOf.py
+++ b/src/Filters/Rules/Person/_IsDescendantOf.py
@@ -68,7 +68,7 @@ class IsDescendantOf(Rule):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_list(self,person,first):
         if not person:
diff --git a/src/Filters/Rules/Person/_IsDescendantOfFilterMatch.py b/src/Filters/Rules/Person/_IsDescendantOfFilterMatch.py
index d4f7c6ccf..fcc2f330d 100644
--- a/src/Filters/Rules/Person/_IsDescendantOfFilterMatch.py
+++ b/src/Filters/Rules/Person/_IsDescendantOfFilterMatch.py
@@ -77,4 +77,4 @@ class IsDescendantOfFilterMatch(IsDescendantOf,MatchesFilter):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
diff --git a/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOf.py b/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOf.py
index 5aaf0dd70..356537750 100644
--- a/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOf.py
+++ b/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOf.py
@@ -62,10 +62,10 @@ class IsLessThanNthGenerationAncestorOf(Rule):
         self.map = {}
     
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_ancestor_list(self, handle,gen):
-#        if self.map.has_key(p.get_handle()) == 1:
+#        if p.get_handle() in self.map:
 #            loop_error(self.orig,p)
         if not handle:
             return
diff --git a/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfBookmarked.py b/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfBookmarked.py
index c0bb9e152..8b491dd6a 100644
--- a/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfBookmarked.py
+++ b/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfBookmarked.py
@@ -70,7 +70,7 @@ class IsLessThanNthGenerationAncestorOfBookmarked(Rule):
 
 
     def init_ancestor_list(self, handle,gen):
-#        if self.map.has_key(p.get_handle()) == 1:
+#        if p.get_handle() in self.map:
 #            loop_error(self.orig,p)
         if not handle:
             return
diff --git a/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfDefaultPerson.py b/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfDefaultPerson.py
index 5d7ebaaa1..0122cf68d 100644
--- a/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfDefaultPerson.py
+++ b/src/Filters/Rules/Person/_IsLessThanNthGenerationAncestorOfDefaultPerson.py
@@ -63,7 +63,7 @@ class IsLessThanNthGenerationAncestorOfDefaultPerson(Rule):
             self.apply = lambda db,p: False
 
     def init_ancestor_list(self, handle,gen):
-#        if self.map.has_key(p.get_handle()) == 1:
+#        if p.get_handle() in self.map:
 #            loop_error(self.orig,p)
         if not handle:
             return
diff --git a/src/Filters/Rules/Person/_IsLessThanNthGenerationDescendantOf.py b/src/Filters/Rules/Person/_IsLessThanNthGenerationDescendantOf.py
index 790128be5..0deb5f4c5 100644
--- a/src/Filters/Rules/Person/_IsLessThanNthGenerationDescendantOf.py
+++ b/src/Filters/Rules/Person/_IsLessThanNthGenerationDescendantOf.py
@@ -63,7 +63,7 @@ class IsLessThanNthGenerationDescendantOf(Rule):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_list(self,person,gen):
         if not person:
diff --git a/src/Filters/Rules/Person/_IsMoreThanNthGenerationAncestorOf.py b/src/Filters/Rules/Person/_IsMoreThanNthGenerationAncestorOf.py
index 9b1ffc753..d18b4f5ca 100644
--- a/src/Filters/Rules/Person/_IsMoreThanNthGenerationAncestorOf.py
+++ b/src/Filters/Rules/Person/_IsMoreThanNthGenerationAncestorOf.py
@@ -62,10 +62,10 @@ class IsMoreThanNthGenerationAncestorOf(Rule):
         self.map = []
     
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_ancestor_list(self, handle,gen):
-#        if self.map.has_key(p.get_handle()) == 1:
+#        if p.get_handle() in self.map:
 #            loop_error(self.orig,p)
         if not handle:
             return
diff --git a/src/Filters/Rules/Person/_IsMoreThanNthGenerationDescendantOf.py b/src/Filters/Rules/Person/_IsMoreThanNthGenerationDescendantOf.py
index 5b855ae0e..0adf84283 100644
--- a/src/Filters/Rules/Person/_IsMoreThanNthGenerationDescendantOf.py
+++ b/src/Filters/Rules/Person/_IsMoreThanNthGenerationDescendantOf.py
@@ -63,7 +63,7 @@ class IsMoreThanNthGenerationDescendantOf(Rule):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_list(self,person,gen):
         if not person:
diff --git a/src/Filters/Rules/Person/_IsParentOfFilterMatch.py b/src/Filters/Rules/Person/_IsParentOfFilterMatch.py
index 2149c223e..5b71ddb72 100644
--- a/src/Filters/Rules/Person/_IsParentOfFilterMatch.py
+++ b/src/Filters/Rules/Person/_IsParentOfFilterMatch.py
@@ -63,7 +63,7 @@ class IsParentOfFilterMatch(MatchesFilter):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_list(self,person):
         for fam_id in person.get_parent_family_handle_list():
diff --git a/src/Filters/Rules/Person/_IsSiblingOfFilterMatch.py b/src/Filters/Rules/Person/_IsSiblingOfFilterMatch.py
index 644ec9036..aacbf1858 100644
--- a/src/Filters/Rules/Person/_IsSiblingOfFilterMatch.py
+++ b/src/Filters/Rules/Person/_IsSiblingOfFilterMatch.py
@@ -62,7 +62,7 @@ class IsSiblingOfFilterMatch(MatchesFilter):
         self.map = {}
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_list(self,person):
         if not person:
diff --git a/src/Filters/Rules/Person/_RelationshipPathBetween.py b/src/Filters/Rules/Person/_RelationshipPathBetween.py
index 42219b1f3..522aa9c19 100644
--- a/src/Filters/Rules/Person/_RelationshipPathBetween.py
+++ b/src/Filters/Rules/Person/_RelationshipPathBetween.py
@@ -89,7 +89,7 @@ class RelationshipPathBetween(Rule):
             self.apply_filter(rank+1,family.get_mother_handle(),plist,pmap)
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
     def init_list(self,p1_handle,p2_handle):
         firstMap = {}
@@ -129,5 +129,5 @@ class RelationshipPathBetween(Rule):
 
     def get_intersection(self,target, map1, map2):
         for e in map1.keys():
-            if map2.has_key(e):
+            if e in map2:
                 target[e] = map2[e]
diff --git a/src/Filters/Rules/Person/_RelationshipPathBetweenBookmarks.py b/src/Filters/Rules/Person/_RelationshipPathBetweenBookmarks.py
index 4990dc4a2..57f38a551 100644
--- a/src/Filters/Rules/Person/_RelationshipPathBetweenBookmarks.py
+++ b/src/Filters/Rules/Person/_RelationshipPathBetweenBookmarks.py
@@ -172,6 +172,6 @@ class RelationshipPathBetweenBookmarks(Rule):
                     pass
 
     def apply(self,db,person):
-        return self.map.has_key(person.handle)
+        return person.handle in self.map
 
 
diff --git a/src/Filters/_FilterParser.py b/src/Filters/_FilterParser.py
index d70636464..4a1f19b9a 100644
--- a/src/Filters/_FilterParser.py
+++ b/src/Filters/_FilterParser.py
@@ -57,7 +57,7 @@ class FilterParser(handler.ContentHandler):
 
     def startElement(self, tag, attrs):
         if tag == "object":
-            if attrs.has_key('type'):
+            if 'type' in attrs:
                 self.namespace = attrs['type']
                 if self.namespace == 'Media':
                     self.namespace = 'MediaObject'
@@ -66,7 +66,7 @@ class FilterParser(handler.ContentHandler):
         elif tag == "filter":
             self.f = GenericFilterFactory(self.namespace)()
             self.f.set_name(attrs['name'])
-            if attrs.has_key('function'):
+            if 'function' in attrs:
                 try:
                     if int(attrs['function']):
                         op = 'or'
@@ -75,9 +75,9 @@ class FilterParser(handler.ContentHandler):
                 except ValueError:
                     op = attrs['function']
                 self.f.set_logical_op(op)
-            if attrs.has_key('invert'):
+            if 'invert' in attrs:
                 self.f.set_invert(attrs['invert'])
-            if attrs.has_key('comment'):
+            if 'comment' in attrs:
                 self.f.set_comment(attrs['comment'])
             self.gfilter_list.add(self.namespace, self.f)
         elif tag == "rule":
diff --git a/src/GrampsDbUtils/_GedcomInfo.py b/src/GrampsDbUtils/_GedcomInfo.py
index 58039b77f..c558716aa 100644
--- a/src/GrampsDbUtils/_GedcomInfo.py
+++ b/src/GrampsDbUtils/_GedcomInfo.py
@@ -237,12 +237,12 @@ class GedcomDescription:
         self.tag2gramps_map[tag] = value
 
     def gramps2tag(self,key):
-        if self.gramps2tag_map.has_key(key):
+        if key in self.gramps2tag_map:
             return self.gramps2tag_map[key]
         return ""
 
     def tag2gramps(self,key):
-        if self.tag2gramps_map.has_key(key):
+        if key in self.tag2gramps_map:
             return self.tag2gramps_map[key]
         return key
 
@@ -267,7 +267,7 @@ class GedcomInfoDB:
         self.map[name] = obj
 
     def get_description(self, name):
-        if self.map.has_key(name):
+        if name in self.map:
             return self.map[name]
         return self.standard
 
diff --git a/src/GrampsDbUtils/_GedcomParse.py b/src/GrampsDbUtils/_GedcomParse.py
index b82db9f30..937ded70b 100644
--- a/src/GrampsDbUtils/_GedcomParse.py
+++ b/src/GrampsDbUtils/_GedcomParse.py
@@ -2827,7 +2827,7 @@ class GedcomParser(UpdateCallback):
         @type state: CurrentState
         """
         if state.event.get_type().is_custom():
-            if GED_2_GRAMPS.has_key(line.data):
+            if line.data in GED_2_GRAMPS:
                 name = gen.lib.EventType(GED_2_GRAMPS[line.data])
             else:
                 val = self.gedsource.tag2gramps(line.data)
@@ -2842,8 +2842,8 @@ class GedcomParser(UpdateCallback):
             state.event.set_type(name)
         else:
             try:
-                if not GED_2_GRAMPS.has_key(line.data) and \
-                       not GED_2_FAMILY.has_key(line.data) and \
+                if line.data not in GED_2_GRAMPS and \
+                       line.data not in GED_2_FAMILY and \
                        line.data[0] != 'Y':
                     state.event.set_description(line.data)
             except IndexError:
@@ -3802,7 +3802,7 @@ class GedcomParser(UpdateCallback):
         @type state: CurrentState
         """
         if state.attr.get_type() == "":
-            if GED_2_GRAMPS.has_key(line.data):
+            if line.data in GED_2_GRAMPS:
                 name = GED_2_GRAMPS[line.data]
             else:
                 val = self.gedsource.tag2gramps(line.data)
diff --git a/src/GrampsDbUtils/_GedcomStageOne.py b/src/GrampsDbUtils/_GedcomStageOne.py
index 742543a79..2f0ad38bf 100644
--- a/src/GrampsDbUtils/_GedcomStageOne.py
+++ b/src/GrampsDbUtils/_GedcomStageOne.py
@@ -79,7 +79,7 @@ def add_to_list(table, key, value):
     Add the value to the table entry associated with key. If the entry 
     does not exist, it is added.
     """
-    if table.has_key(key):
+    if key in table:
         table[key].append(value)
     else:
         table[key] = [value]
diff --git a/src/GrampsDbUtils/_GedcomUtils.py b/src/GrampsDbUtils/_GedcomUtils.py
index 53a16c66e..a82e06626 100644
--- a/src/GrampsDbUtils/_GedcomUtils.py
+++ b/src/GrampsDbUtils/_GedcomUtils.py
@@ -183,7 +183,7 @@ class IdMapper:
         
     def get_translate(self, gid):
         gid = self.clean(gid)
-        if self.swap.has_key(gid):
+        if gid in self.swap:
             return self.swap[gid]
         else:
             if self.trans.get(str(gid)):
diff --git a/src/GrampsDbUtils/_GrampsBSDDB.py b/src/GrampsDbUtils/_GrampsBSDDB.py
index 90fbf941b..d3b567cdb 100644
--- a/src/GrampsDbUtils/_GrampsBSDDB.py
+++ b/src/GrampsDbUtils/_GrampsBSDDB.py
@@ -477,7 +477,7 @@ class GrampsBSDDB(GrampsDbBase, UpdateCallback):
             if gstats is None:
                 # New database. Set up the current version.
                 self.metadata.put('version', _DBVERSION, txn=the_txn)
-            elif not self.metadata.has_key('version'):
+            elif 'version' not in self.metadata:
                 # Not new database, but the version is missing.
                 # Use 0, but it is likely to fail anyway.
                 self.metadata.put('version', 0, txn=the_txn)
@@ -874,7 +874,7 @@ class GrampsBSDDB(GrampsDbBase, UpdateCallback):
         # from the primary object 'obj, or any of its secondary objects.
 
         handle = obj.handle
-        update = self.reference_map_primary_map.has_key(str(handle))
+        update = str(handle) in self.reference_map_primary_map
 
         if update:
             # First thing to do is get hold of all rows in the reference_map
@@ -1330,7 +1330,7 @@ class GrampsBSDDB(GrampsDbBase, UpdateCallback):
             pass
 
     def __get_obj_from_gramps_id(self, val, tbl, class_init, prim_tbl):
-        if tbl.has_key(str(val)):
+        if str(val) in tbl:
             data = tbl.get(str(val), txn=self.txn)
             obj = class_init()
             ### FIXME: this is a dirty hack that works without no
@@ -1476,7 +1476,7 @@ class GrampsBSDDB(GrampsDbBase, UpdateCallback):
         obj = class_type()
         hndl = str(hndl)
         new = True
-        if dmap.has_key(hndl):
+        if hndl in dmap:
             data = dmap.get(hndl, txn=self.txn)
             obj.unserialize(data)
             #references create object with id None before object is really made
diff --git a/src/GrampsDbUtils/_ReadXML.py b/src/GrampsDbUtils/_ReadXML.py
index ab52a2f1e..0cd4619b3 100644
--- a/src/GrampsDbUtils/_ReadXML.py
+++ b/src/GrampsDbUtils/_ReadXML.py
@@ -884,7 +884,7 @@ class GrampsParser(UpdateCallback):
         # Parse witnesses created by older gramps
         self.in_witness = True
         self.witness_comment = ""
-        if attrs.has_key('name'):
+        if 'name' in attrs:
             note = gen.lib.Note()
             note.handle = Utils.create_id()
             note.set(_("Witness name: %s") % attrs['name'])
@@ -901,7 +901,7 @@ class GrampsParser(UpdateCallback):
             handle = attrs['hlink'].replace('_', '')
             person, new = self.db.find_person_from_handle(handle, self.trans)
         except KeyError:
-            if attrs.has_key('ref'):
+            if 'ref' in attrs:
                 person, new = self.find_person_by_gramps_id(
                                     self.map_gid(attrs["ref"]))
             else:
@@ -955,7 +955,7 @@ class GrampsParser(UpdateCallback):
         self.eventref = gen.lib.EventRef()
         self.eventref.ref = attrs['hlink'].replace('_', '')
         self.eventref.private = bool(attrs.get('priv'))
-        if attrs.has_key('role'):
+        if 'role' in attrs:
             self.eventref.role.set_from_xml_str(attrs['role'])
 
         # We count here on events being already parsed prior to parsing
@@ -984,7 +984,7 @@ class GrampsParser(UpdateCallback):
         self.attribute = gen.lib.Attribute()
         self.attribute.private = bool(attrs.get("priv"))
         self.attribute.type = gen.lib.AttributeType()
-        if attrs.has_key('type'):
+        if 'type' in attrs:
             self.attribute.type.set_from_xml_str(attrs["type"])
         self.attribute.value = attrs.get("value", '')
         if self.photo:
@@ -1071,7 +1071,7 @@ class GrampsParser(UpdateCallback):
         self.name_formats.append((number, name, fmt_str, active))
 
     def remap_name_format(self, old_number):
-        if self.name_formats_map.has_key(old_number): # This should not happen
+        if old_number in self.name_formats_map: # This should not happen
             return self.name_formats_map[old_number]
         # Find the lowest new number not taken yet:
         new_number = -1
@@ -1109,7 +1109,7 @@ class GrampsParser(UpdateCallback):
             self.person.marker.set_from_xml_str(attrs.get("marker", ''))
 
     def start_people(self, attrs):
-        if attrs.has_key('home'):
+        if 'home' in attrs:
             self.home = attrs['home'].replace('_', '')
 
     def start_father(self, attrs):
@@ -1144,7 +1144,7 @@ class GrampsParser(UpdateCallback):
         # Here we are handling the old XML, in which
         # frel and mrel belonged to the "childof" tag
         # If that were the case then childref_map has the childref ready
-        if self.childref_map.has_key((self.family.handle, handle)):
+        if (self.family.handle, handle) in self.childref_map:
             self.family.add_child_ref(
                 self.childref_map[(self.family.handle, handle)])
 
@@ -1176,7 +1176,7 @@ class GrampsParser(UpdateCallback):
         self.person.add_person_ref(self.personref)
 
     def start_url(self, attrs):
-        if not attrs.has_key("href"):
+        if "href" not in attrs:
             return
         url = gen.lib.Url()
         url.path = attrs["href"]
@@ -1211,7 +1211,7 @@ class GrampsParser(UpdateCallback):
         
         # GRAMPS LEGACY: the type now belongs to <rel> tag
         # Here we need to support old format of <family type="Married">
-        if attrs.has_key('type'):
+        if 'type' in attrs:
             self.family.type.set_from_xml_str(attrs["type"])
                 
         # Old and new markers: complete=1 and marker=word both have to work
@@ -1221,12 +1221,12 @@ class GrampsParser(UpdateCallback):
             self.family.marker.set_from_xml_str(attrs.get("marker", ''))
 
     def start_rel(self, attrs):
-        if attrs.has_key('type'):
+        if 'type' in attrs:
             self.family.type.set_from_xml_str(attrs["type"])
 
     def start_file(self, attrs):
         self.object.mime = attrs['mime']
-        if attrs.has_key('description'):
+        if 'description' in attrs:
             self.object.desc = attrs['description']
         else:
             self.object.desc = ""
@@ -1251,9 +1251,9 @@ class GrampsParser(UpdateCallback):
         # frel and mrel belonged to the "childof" tag
         mrel = gen.lib.ChildRefType()
         frel = gen.lib.ChildRefType()
-        if attrs.has_key('mrel'):
+        if 'mrel' in attrs:
             mrel.set_from_xml_str(attrs['mrel'])
-        if attrs.has_key('frel'):
+        if 'frel' in attrs:
             frel.set_from_xml_str(attrs['frel'])
 
         childref = gen.lib.ChildRef()
@@ -1292,11 +1292,11 @@ class GrampsParser(UpdateCallback):
 
                 # check if these pointers need to be remapped
                 # and set the name attributes
-                if self.name_formats_map.has_key(sort_as):
+                if sort_as in self.name_formats_map:
                     self.name.sort_as = self.name_formats_map[sort_as]
                 else:
                     self.name.sort_as = sort_as
-                if self.name_formats_map.has_key(display_as):
+                if display_as in self.name_formats_map:
                     self.name.sort_as = self.name_formats_map[display_as]
                 else:
                     self.name_display_as = display_as
@@ -1739,12 +1739,12 @@ class GrampsParser(UpdateCallback):
         except:
             rng_day = 0
 
-        if attrs.has_key("cformat"):
+        if "cformat" in attrs:
             cal = gen.lib.Date.calendar_names.index(attrs['calendar'])
         else:
             cal = gen.lib.Date.CAL_GREGORIAN
 
-        if attrs.has_key('quality'):
+        if 'quality' in attrs:
             val = attrs['quality']
             if val == 'estimated':
                 qual = gen.lib.Date.QUAL_ESTIMATED
@@ -1794,12 +1794,12 @@ class GrampsParser(UpdateCallback):
         except:
             day = 0
 
-        if attrs.has_key("cformat"):
+        if "cformat" in attrs:
             cal = gen.lib.Date.calendar_names.index(attrs['cformat'])
         else:
             cal = gen.lib.Date.CAL_GREGORIAN
 
-        if attrs.has_key('type'):
+        if 'type' in attrs:
             val = attrs['type']
             if val == "about":
                 mod = gen.lib.Date.MOD_ABOUT
@@ -1810,7 +1810,7 @@ class GrampsParser(UpdateCallback):
         else:
             mod = gen.lib.Date.MOD_NONE
 
-        if attrs.has_key('quality'):
+        if 'quality' in attrs:
             val = attrs['quality']
             if val == 'estimated':
                 qual = gen.lib.Date.QUAL_ESTIMATED
@@ -1840,11 +1840,11 @@ class GrampsParser(UpdateCallback):
         date_value.set_as_text(attrs['val'])
 
     def start_created(self, attrs):
-        if attrs.has_key('sources'):
+        if 'sources' in attrs:
             self.num_srcs = int(attrs['sources'])
         else:
             self.num_srcs = 0
-        if attrs.has_key('places'):
+        if 'places' in attrs:
             self.num_places = int(attrs['places'])
         else:
             self.num_places = 0
@@ -2039,7 +2039,7 @@ class GrampsParser(UpdateCallback):
         ##handle = None
         ##if self.place_ref is None:  #todo, add place_ref in start and init
         ##    #legacy cody? I see no reason for this, but it was present
-        ##    if self.place_map.has_key(tag):
+        ##    if tag in self.place_map:
         ##        place = self.place_map[tag]
         ##        handle = place.get_handle()
         ##        place = None
@@ -2377,10 +2377,10 @@ class VersionParser:
         
     def __element_handler(self, tag, attrs):
         " Handle XML elements "
-        if tag == "database" and attrs.has_key('xmlns'):
+        if tag == "database" and 'xmlns' in attrs:
             xmlns = attrs.get('xmlns')
             self.__xml_version = xmlns.split('/')[4]
-        elif tag == "created" and attrs.has_key('version'):
+        elif tag == "created" and 'version' in attrs:
             self.__gramps_version = attrs.get('version')
 
     def get_xmlns_version(self):
diff --git a/src/GrampsDbUtils/_WriteGedcom.py b/src/GrampsDbUtils/_WriteGedcom.py
index 2179196d7..989fee50c 100644
--- a/src/GrampsDbUtils/_WriteGedcom.py
+++ b/src/GrampsDbUtils/_WriteGedcom.py
@@ -210,10 +210,10 @@ def make_date(subdate, calendar, mode, quality):
     if prefix:
         retval = "%s %s" % (prefix, retval)
 
-    if DATE_MODIFIER.has_key(mode):
+    if mode in DATE_MODIFIER:
         retval = "%s %s" % (DATE_MODIFIER[mode], retval)
 
-    if DATE_QUALITY.has_key(quality):
+    if quality in DATE_QUALITY:
         retval = "%s %s" % (DATE_QUALITY[quality], retval)
         
     return retval
diff --git a/src/GrampsDbUtils/importdbdir.py b/src/GrampsDbUtils/importdbdir.py
index cf0023e67..3d4a7bb0d 100644
--- a/src/GrampsDbUtils/importdbdir.py
+++ b/src/GrampsDbUtils/importdbdir.py
@@ -247,7 +247,7 @@ def import_table(id_table, add_obj, find_next_gramps_id,
         
         # Then we check gramps_id for conflicts and change it if needed
         gramps_id = str(obj.gramps_id)
-        if id_table.has_key(gramps_id):
+        if gramps_id in id_table:
             gramps_id = find_next_gramps_id()
             obj.gramps_id = gramps_id
         add_obj(obj, trans)
diff --git a/src/GrampsLogger/_ErrorReportAssistant.py b/src/GrampsLogger/_ErrorReportAssistant.py
index 8539ac6de..8d06a1aaf 100644
--- a/src/GrampsLogger/_ErrorReportAssistant.py
+++ b/src/GrampsLogger/_ErrorReportAssistant.py
@@ -54,7 +54,7 @@ class ErrorReportAssistant:
         self.w.show()
 
     def on_page_changed(self, obj,page,data=None):
-        if self.cb.has_key(page):
+        if page in self.cb:
             self.cb[page]()
             
     def complete(self):
diff --git a/src/ListModel.py b/src/ListModel.py
index 4e7cbe7f7..c69d9dbd6 100644
--- a/src/ListModel.py
+++ b/src/ListModel.py
@@ -160,7 +160,7 @@ class ListModel:
         Callback executed when the text of the cell renderer has changed
         """
         self.model[path][col] = new_text
-        if self.function.has_key(col):
+        if col in self.function:
             self.function[col](int(path), new_text)
 
     def unselect(self):
diff --git a/src/Merge/_MergeSource.py b/src/Merge/_MergeSource.py
index eb8cd0aea..a423cd926 100644
--- a/src/Merge/_MergeSource.py
+++ b/src/Merge/_MergeSource.py
@@ -150,7 +150,7 @@ class MergeSources(ManagedWindow.ManagedWindow):
         src2_map = self.s2.get_data_map()
         src1_map = self.s1.get_data_map()
         for key in src2_map.keys():
-            if not src1_map.has_key(key):
+            if key not in src1_map:
                 src1_map[key] = src2_map[key]
 
         # replace references in other objetcs
diff --git a/src/Mime/_PythonMime.py b/src/Mime/_PythonMime.py
index 3103f7faf..6e2981cfd 100644
--- a/src/Mime/_PythonMime.py
+++ b/src/Mime/_PythonMime.py
@@ -64,7 +64,7 @@ def mime_type_is_defined(mime_type):
     """
     Return True if a description for a mime type exists.
     """
-    return _type_map.has_key(mime_type)
+    return mime_type in _type_map
 
 def find_mime_type_pixbuf(mime_type):
     return gtk.gdk.pixbuf_new_from_file(const.ICON)
diff --git a/src/Mime/_WinMime.py b/src/Mime/_WinMime.py
index 4418e0acf..4b2431a23 100644
--- a/src/Mime/_WinMime.py
+++ b/src/Mime/_WinMime.py
@@ -153,7 +153,7 @@ def _get_extension(mime_type):
             'application/abiword' : '.abw',
             'application/rtf'     : '.rtf',
             }
-        if extmap.has_key(mime_type):
+        if mime_type in extmap:
             extension = extmap[mime_type]
     
     return extension
diff --git a/src/Models/_FastModel.py b/src/Models/_FastModel.py
index 4cd6f8df4..85b1445d7 100644
--- a/src/Models/_FastModel.py
+++ b/src/Models/_FastModel.py
@@ -132,7 +132,7 @@ class FastModel(gtk.GenericTreeModel):
 
             # If we are at the second level we first check to see if we
             # have the number of children of this row already in the cache
-            if not self._num_children_cache.has_key(rowref[0]):
+            if rowref[0] not in self._num_children_cache:
 
                 # If not calculate the number of children and put it in the cache.
                 self._num_children_cache[rowref[0]] = self._cursor.get_n_children([rowref[0],])
@@ -179,7 +179,7 @@ class FastModel(gtk.GenericTreeModel):
         if rowref:
             # If we are at the second level we first check to see if we
             # have the number of children of this row already in the cache
-            if not self._num_children_cache.has_key(rowref[0]):
+            if rowref[0] not in self._num_children_cache:
 
                 # If not calculate the number of children and put it in the cache.
                 self._num_children_cache[rowref[0]] = self._cursor.get_n_children([rowref[0],])
diff --git a/src/Models/_ListCursor.py b/src/Models/_ListCursor.py
index 427e1ee60..e79a0ef89 100644
--- a/src/Models/_ListCursor.py
+++ b/src/Models/_ListCursor.py
@@ -108,7 +108,7 @@ class ListCursor(object):
         """
 
         # See if the record is in the cache.
-        if self._object_cache.has_key(index) and use_cache:
+        if index in self._object_cache and use_cache:
             ret = self._object_cache[index]
 
         # If the record is not in the cache or we are ignoring the
diff --git a/src/Models/_PathCursor.py b/src/Models/_PathCursor.py
index 7bbcfdb3e..e8e1089a9 100644
--- a/src/Models/_PathCursor.py
+++ b/src/Models/_PathCursor.py
@@ -167,7 +167,7 @@ class PathCursor(object):
         """
 
         # See if the record is in the cache.
-        if self._object_cache.has_key(index) and use_cache:
+        if index in self._object_cache and use_cache:
             ret = self._object_cache[index]['primary']
 
         # If the record is not in the cache or we are ignoring the
@@ -262,8 +262,8 @@ class PathCursor(object):
 
             # First check to see if the record has already
             # been fetched.
-            if self._object_cache.has_key(path[0]) and \
-               self._object_cache[path[0]].has_key(path[1]):
+            if path[0] in self._object_cache and \
+               path[1] in self._object_cache[path[0]]:
 
                 # return record from cache.
                 ret = self._object_cache[path[0]][path[1]]
diff --git a/src/PageView.py b/src/PageView.py
index 53ae62c6a..5975175a7 100644
--- a/src/PageView.py
+++ b/src/PageView.py
@@ -812,7 +812,7 @@ class ListView(BookMarkView):
         for pair in [pair for pair in self.column_order() if pair[0]]:
             name = self.colinfo[pair[1]]
 
-            if self.model and self.model.__dict__.has_key('marker_color_column'):
+            if self.model and 'marker_color_column' in self.model.__dict__:
                 mcol = self.model.marker_color_column
                 column = gtk.TreeViewColumn(name, self.renderer, text=pair[1], 
                                             foreground=mcol)
diff --git a/src/PluginUtils/_MenuOptions.py b/src/PluginUtils/_MenuOptions.py
index fae021f34..fdd709e0c 100644
--- a/src/PluginUtils/_MenuOptions.py
+++ b/src/PluginUtils/_MenuOptions.py
@@ -699,7 +699,7 @@ class Menu:
         @type option: Option
         @return: nothing
         """
-        if not self.__options.has_key(category):
+        if category not in self.__options:
             self.__categories.append(category)
             self.__options[category] = []
         self.__options[category].append((name, option))
diff --git a/src/PluginUtils/_Options.py b/src/PluginUtils/_Options.py
index 516a6c45b..14fdf4082 100644
--- a/src/PluginUtils/_Options.py
+++ b/src/PluginUtils/_Options.py
@@ -96,7 +96,7 @@ class OptionList:
         @param name: name of the option to remove.
         @type name: str
         """
-        if self.options.has_key(name):
+        if name in self.options:
             del self.options[name]
 
     def get_option(self, name):
@@ -268,7 +268,7 @@ class OptionParser(handler.ContentHandler):
             self.o = {}
         elif tag == "option":
             self.oname = attrs['name']
-            if attrs.has_key('length'):
+            if 'length' in attrs:
                 self.an_o = []
             else:
                 self.an_o = attrs['value']
@@ -335,7 +335,7 @@ class OptionHandler:
         options = self.saved_option_list.get_options()
         bad_opts = []
         for option_name in options.keys():
-            if not self.options_dict.has_key(option_name):
+            if option_name not in self.options_dict:
                 print "Option %s is present in the %s but is not known "\
                       "to the module." % (option_name,
                                           self.option_list_collection.filename)
diff --git a/src/PluginUtils/_PluginDialogs.py b/src/PluginUtils/_PluginDialogs.py
index f4e4ebe09..7234f6abf 100644
--- a/src/PluginUtils/_PluginDialogs.py
+++ b/src/PluginUtils/_PluginDialogs.py
@@ -160,7 +160,7 @@ class PluginDialog(ManagedWindow.ManagedWindow):
         store, node = self.selection.get_selected()
         if node:
             path = store.get_path(node)
-        if not node or not self.imap.has_key(path):
+        if not node or path not in self.imap:
             return 
         data = self.imap[path]
 
@@ -200,7 +200,7 @@ class PluginDialog(ManagedWindow.ManagedWindow):
                 category = _UNSUPPORTED
             else:
                 category = categories[plugin[3]]
-            if item_hash.has_key(category):
+            if category in item_hash:
                 item_hash[category].append(plugin)
             else:
                 item_hash[category] = [plugin]
@@ -212,7 +212,7 @@ class PluginDialog(ManagedWindow.ManagedWindow):
         key_list.reverse()
         
         prev = None
-        if item_hash.has_key(_UNSUPPORTED):
+        if _UNSUPPORTED in item_hash:
             key = _UNSUPPORTED
             data = item_hash[key]
             node = self.store.insert_after(None, prev)
diff --git a/src/PluginUtils/_PluginWindows.py b/src/PluginUtils/_PluginWindows.py
index e0fd53f80..21d1670fa 100644
--- a/src/PluginUtils/_PluginWindows.py
+++ b/src/PluginUtils/_PluginWindows.py
@@ -400,7 +400,7 @@ class ToolManagedWindowBase(ManagedWindow.ManagedWindow):
         before the report executes. This task should only be called in
         the add_user_options task."""
         
-        if self.frames.has_key(frame_name):
+        if frame_name in self.frames:
             self.frames[frame_name].append((label_text, widget))
         else:
             self.frames[frame_name] = [(label_text, widget)]
diff --git a/src/Relationship.py b/src/Relationship.py
index e1a6ec023..69fb6833a 100644
--- a/src/Relationship.py
+++ b/src/Relationship.py
@@ -803,7 +803,7 @@ class RelationshipCalculator:
             self.map_handle = orig_person.handle
             
         for person_handle in secondMap.keys() :
-            if firstMap.has_key(person_handle) :
+            if person_handle in firstMap :
                 com = []
                 #a common ancestor
                 for rel1, fam1 in zip(firstMap[person_handle][0],
@@ -903,13 +903,13 @@ class RelationshipCalculator:
         store = True                            #normally we store all parents
         if stoprecursemap:
             store = False                       #but not if a stop map given
-            if stoprecursemap.has_key(person.handle):
+            if person.handle in stoprecursemap:
                 commonancestor = True
                 store = True
 
         #add person to the map, take into account that person can be obtained 
         #from different sides 
-        if pmap.has_key(person.handle):
+        if person.handle in pmap:
             #person is already a grandparent in another branch, we already have
             # had lookup of all parents, we call that a crosslink
             if not stoprecursemap:
@@ -997,7 +997,7 @@ class RelationshipCalculator:
                           if ref.ref != person.handle]
                     addstr = self.REL_SIBLING
                     for chandle in child_list :
-                        if pmap.has_key(chandle) :
+                        if chandle in pmap :
                             pmap[chandle][0] += [rel_str + addstr]
                             pmap[chandle][1] += [rel_fam_new]
                             #person is already a grandparent in another branch
diff --git a/src/ReportBase/_DocReportDialog.py b/src/ReportBase/_DocReportDialog.py
index 93b64af82..2f266180c 100644
--- a/src/ReportBase/_DocReportDialog.py
+++ b/src/ReportBase/_DocReportDialog.py
@@ -186,7 +186,7 @@ class DocReportDialog(ReportDialog):
     def html_file_enable(self, obj):
         active = obj.get_active()
         text = unicode(obj.get_model()[active][0])
-        if _template_map.has_key(text):
+        if text in _template_map:
             if _template_map[text]:
                 self.html_fileentry.set_sensitive(0)
             else:
@@ -266,7 +266,7 @@ class DocReportDialog(ReportDialog):
         model = self.template_combo.get_model()
         text = unicode(model[self.template_combo.get_active()][0])
 
-        if _template_map.has_key(text):
+        if text in _template_map:
             if text == _user_template:
                 self.template_name = self.html_fileentry.get_full_path(0)
             else:
diff --git a/src/ReportBase/_ReportDialog.py b/src/ReportBase/_ReportDialog.py
index 525882118..eeff9b5d1 100644
--- a/src/ReportBase/_ReportDialog.py
+++ b/src/ReportBase/_ReportDialog.py
@@ -236,7 +236,7 @@ class ReportDialog(ManagedWindow.ManagedWindow):
         before the report executes. This task should only be called in
         the add_user_options task."""
         
-        if self.frames.has_key(frame_name):
+        if frame_name in self.frames:
             self.frames[frame_name].append((label_text, widget))
         else:
             self.frames[frame_name] = [(label_text, widget)]
@@ -389,7 +389,7 @@ class ReportDialog(ManagedWindow.ManagedWindow):
                 row = row + 1
                 
     def setup_main_options(self):
-        if self.frames.has_key(""):
+        if "" in self.frames:
             flist = self.frames[""]
             for (text, widget) in flist:
                 label = gtk.Label("<b>%s</b>" % text)
diff --git a/src/TipOfDay.py b/src/TipOfDay.py
index f39251838..928561751 100644
--- a/src/TipOfDay.py
+++ b/src/TipOfDay.py
@@ -167,7 +167,7 @@ class TipParser:
             self.tlist = []
             # Skip all tips with xml:lang attribute, as they are
             # already in the translation catalog
-            self.skip = attrs.has_key('xml:lang')
+            self.skip = 'xml:lang' in attrs
         elif tag != "tips":
             # let all the other tags through, except for the "tips" tag
             self.tlist.append("<%s>" % tag)
diff --git a/src/Utils.py b/src/Utils.py
index 3033d8178..afec39aa9 100644
--- a/src/Utils.py
+++ b/src/Utils.py
@@ -1114,7 +1114,7 @@ def launch(prog_str, path):
     
         if len(prog_data) > 1:
             for item in prog_data:
-                if subval.has_key(item):
+                if item in subval:
                     need_path = False
                     value = subval[item]
                 else:
diff --git a/src/ViewManager.py b/src/ViewManager.py
index e465e6069..b201f3e03 100644
--- a/src/ViewManager.py
+++ b/src/ViewManager.py
@@ -1386,7 +1386,7 @@ class ViewManager:
                 category = _UNSUPPORTED
             else:
                 category = categories[item[3]]
-            if hash_data.has_key(category):
+            if category in hash_data:
                 hash_data[category].append(
                     (item[0], item[1], item[2], item[4], item[3], item[10]))
             else:
@@ -1413,7 +1413,7 @@ class ViewManager:
 
         # If there are any unsupported items we add separator
         # and the unsupported category at the end of the menu
-        if hash_data.has_key(_UNSUPPORTED):
+        if _UNSUPPORTED in hash_data:
             ofile.write('<separator/>')
             ofile.write('<menu action="%s">' % _UNSUPPORTED)
             actions.append((_UNSUPPORTED, None, _UNSUPPORTED))
diff --git a/src/ansel_utf8.py b/src/ansel_utf8.py
index 1177ba5c9..6e3036922 100644
--- a/src/ansel_utf8.py
+++ b/src/ansel_utf8.py
@@ -332,10 +332,10 @@ def ansel_to_utf8(s):
                 head = ' '
             s = s[1:]
         else:
-            if _twobyte.has_key(s[0:2]):
+            if s[0:2] in _twobyte:
                 head = _twobyte[s[0:2]]
                 s = s[2:]
-            elif _onebyte.has_key(s[0]):
+            elif s[0] in _onebyte:
                 head = _onebyte[s[0]]
                 s = s[1:]
             elif s[0] in _acombiners.keys():
diff --git a/src/docgen/GtkPrint.py b/src/docgen/GtkPrint.py
index e803d5b16..ada52d377 100644
--- a/src/docgen/GtkPrint.py
+++ b/src/docgen/GtkPrint.py
@@ -132,7 +132,7 @@ def paperstyle_to_pagesetup(paper_style):
     
     # All sizes not included in the translation table (even if a standard size)
     # are handled as custom format, because we are not intelligent enough.
-    if gramps_to_gtk.has_key(gramps_paper_name):
+    if gramps_paper_name in gramps_to_gtk:
         paper_size = gtk.PaperSize(gramps_to_gtk[gramps_paper_name])
         log.debug("Selected paper size: %s" % gramps_to_gtk[gramps_paper_name])
     else:
@@ -257,7 +257,7 @@ class PrintPreview:
             ##log.debug("Page number %d doesn't exist." % page_no)
             ##page_no = 0
         
-        ##if not self._page_surfaces.has_key(page_no):
+        ##if page_no not in self._page_surfaces:
             ##surface = self.create_surface()
             ##cr = cairo.Context(surface)
             
diff --git a/src/docgen/RTFDoc.py b/src/docgen/RTFDoc.py
index af6764938..a1aecdf63 100644
--- a/src/docgen/RTFDoc.py
+++ b/src/docgen/RTFDoc.py
@@ -100,11 +100,11 @@ class RTFDoc(BaseDoc.BaseDoc,BaseDoc.TextDoc):
             style = style_sheet.get_paragraph_style(style_name)
             fgcolor = style.get_font().get_color()
             bgcolor = style.get_background_color()
-            if not self.color_map.has_key(fgcolor):
+            if fgcolor not in self.color_map:
                 self.color_map[fgcolor] = index
                 self.f.write('\\red%d\\green%d\\blue%d;' % fgcolor)
                 index = index + 1
-            if not self.color_map.has_key(bgcolor):
+            if bgcolor not in self.color_map:
                 self.f.write('\\red%d\\green%d\\blue%d;' % bgcolor)
                 self.color_map[bgcolor] = index
                 index = index + 1
diff --git a/src/gen/db/base.py b/src/gen/db/base.py
index 0e5142157..5a4467c61 100644
--- a/src/gen/db/base.py
+++ b/src/gen/db/base.py
@@ -650,7 +650,7 @@ class GrampsDbBase(Callback):
         person ID prefix.
         """
         index = self.person_prefix % self.pmap_index
-        while self.id_trans.has_key(str(index)):
+        while str(index) in self.id_trans:
             self.pmap_index += 1
             index = self.person_prefix % self.pmap_index
         self.pmap_index += 1
@@ -662,7 +662,7 @@ class GrampsDbBase(Callback):
         place ID prefix.
         """
         index = self.place_prefix % self.lmap_index
-        while self.pid_trans.has_key(str(index)):
+        while str(index) in self.pid_trans:
             self.lmap_index += 1
             index = self.place_prefix % self.lmap_index
         self.lmap_index += 1
@@ -674,7 +674,7 @@ class GrampsDbBase(Callback):
         event ID prefix.
         """
         index = self.event_prefix % self.emap_index
-        while self.eid_trans.has_key(str(index)):
+        while str(index) in self.eid_trans:
             self.emap_index += 1
             index = self.event_prefix % self.emap_index
         self.emap_index += 1
@@ -686,7 +686,7 @@ class GrampsDbBase(Callback):
         off the media object ID prefix.
         """
         index = self.mediaobject_prefix % self.omap_index
-        while self.oid_trans.has_key(str(index)):
+        while str(index) in self.oid_trans:
             self.omap_index += 1
             index = self.mediaobject_prefix % self.omap_index
         self.omap_index += 1
@@ -698,7 +698,7 @@ class GrampsDbBase(Callback):
         source ID prefix.
         """
         index = self.source_prefix % self.smap_index
-        while self.sid_trans.has_key(str(index)):
+        while str(index) in self.sid_trans:
             self.smap_index += 1
             index = self.source_prefix % self.smap_index
         self.smap_index += 1
@@ -710,7 +710,7 @@ class GrampsDbBase(Callback):
         family ID prefix.
         """
         index = self.family_prefix % self.fmap_index
-        while self.fid_trans.has_key(str(index)):
+        while str(index) in self.fid_trans:
             self.fmap_index += 1
             index = self.family_prefix % self.fmap_index
         self.fmap_index += 1
@@ -722,7 +722,7 @@ class GrampsDbBase(Callback):
         off the repository ID prefix.
         """
         index = self.repository_prefix % self.rmap_index
-        while self.rid_trans.has_key(str(index)):
+        while str(index) in self.rid_trans:
             self.rmap_index += 1
             index = self.repository_prefix % self.rmap_index
         self.rmap_index += 1
@@ -734,7 +734,7 @@ class GrampsDbBase(Callback):
         note ID prefix.
         """
         index = self.note_prefix % self.nmap_index
-        while self.nid_trans.has_key(str(index)):
+        while str(index) in self.nid_trans:
             self.nmap_index += 1
             index = self.note_prefix % self.nmap_index
         self.nmap_index += 1
@@ -826,7 +826,7 @@ class GrampsDbBase(Callback):
         obj = class_type()
         handle = str(handle)
         new = True
-        if dmap.has_key(handle):
+        if handle in dmap:
             obj.unserialize(dmap.get(handle))
             #references create object with id None before object is really made
             if obj.gramps_id is not None:
@@ -839,7 +839,7 @@ class GrampsDbBase(Callback):
     def __check_from_handle(self, handle, transaction, class_type, dmap,
                             add_func, set_gid=True):
         handle = str(handle)
-        if not dmap.has_key(handle):
+        if handle not in dmap:
             obj = class_type()
             obj.set_handle(handle)
             add_func(obj, transaction, set_gid=set_gid)
@@ -1283,7 +1283,7 @@ class GrampsDbBase(Callback):
         """
         Return if a key exists in the name_group table.
         """
-        return self.name_group.has_key(str(name))
+        return str(name) in self.name_group
 
     def set_name_group_mapping(self, name, group):
         """
@@ -1483,7 +1483,7 @@ class GrampsDbBase(Callback):
             }
 
         table = key2table[obj_key]
-        return table.has_key(str(gramps_id))
+        return str(gramps_id) in table
 
     def find_initial_person(self):
         person = self.get_default_person()
@@ -1814,7 +1814,7 @@ class GrampsDbBase(Callback):
             self.emit(signal_root + '-delete', ([handle], ))
             del db_map[handle]
         else:
-            if db_map.has_key(handle):
+            if handle in db_map:
                 signal = signal_root + '-update'
             else:
                 signal = signal_root + '-add'
@@ -2191,49 +2191,49 @@ class GrampsDbBase(Callback):
         """
         Return True if the handle exists in the current Person database.
         """
-        return self.person_map.has_key(str(handle))
+        return str(handle) in self.person_map
 
     def has_event_handle(self, handle):
         """
         Return True if the handle exists in the current Event database.
         """
-        return self.event_map.has_key(str(handle))
+        return str(handle) in self.event_map
 
     def has_source_handle(self, handle):
         """
         Return True if the handle exists in the current Source database.
         """
-        return self.source_map.has_key(str(handle))
+        return str(handle) in self.source_map
 
     def has_place_handle(self, handle):
         """
         Return True if the handle exists in the current Place database.
         """
-        return self.place_map.has_key(str(handle))
+        return str(handle) in self.place_map
 
     def has_family_handle(self, handle):            
         """
         Return True if the handle exists in the current Family database.
         """
-        return self.family_map.has_key(str(handle))
+        return str(handle) in self.family_map
 
     def has_object_handle(self, handle):
         """
         Return True if the handle exists in the current MediaObjectdatabase.
         """
-        return self.media_map.has_key(str(handle))
+        return str(handle) in self.media_map
 
     def has_repository_handle(self, handle):
         """
         Return True if the handle exists in the current Repository database.
         """
-        return self.repository_map.has_key(str(handle))
+        return str(handle) in self.repository_map
 
     def has_note_handle(self, handle):
         """
         Return True if the handle exists in the current Note database.
         """
-        return self.note_map.has_key(str(handle))
+        return str(handle) in self.note_map
 
     def __sortbyplace(self, first, second):
         return locale.strcoll(self.place_map.get(str(first))[2], 
diff --git a/src/gen/db/dbdir.py b/src/gen/db/dbdir.py
index 6408ce142..d6ba92057 100644
--- a/src/gen/db/dbdir.py
+++ b/src/gen/db/dbdir.py
@@ -540,7 +540,7 @@ class GrampsDBDir(GrampsDbBase, UpdateCallback):
             if gstats is None:
                 # New database. Set up the current version.
                 self.metadata.put('version', _DBVERSION, txn=the_txn)
-            elif not self.metadata.has_key('version'):
+            elif 'version' not in self.metadata:
                 # Not new database, but the version is missing.
                 # Use 0, but it is likely to fail anyway.
                 self.metadata.put('version', 0, txn=the_txn)
@@ -930,7 +930,7 @@ class GrampsDBDir(GrampsDbBase, UpdateCallback):
         # from the primary object 'obj' or any of its secondary objects.
 
         handle = obj.handle
-        update = self.reference_map_primary_map.has_key(str(handle))
+        update = str(handle) in self.reference_map_primary_map
 
         if update:
             # First thing to do is get hold of all rows in the reference_map
@@ -1373,7 +1373,7 @@ class GrampsDBDir(GrampsDbBase, UpdateCallback):
 
     def __get_obj_from_gramps_id(self, val, tbl, class_init, prim_tbl):
         try:
-            if tbl.has_key(str(val)):
+            if str(val) in tbl:
                 data = tbl.get(str(val), txn=self.txn)
                 obj = class_init()
                 ### FIXME: this is a dirty hack that works without no
@@ -1532,7 +1532,7 @@ class GrampsDBDir(GrampsDbBase, UpdateCallback):
         obj = class_type()
         handle = str(handle)
         new = True
-        if dmap.has_key(handle):
+        if handle in dmap:
             data = dmap.get(handle, txn=self.txn)
             obj.unserialize(data)
             #references create object with id None before object is really made
diff --git a/src/gen/lib/genderstats.py b/src/gen/lib/genderstats.py
index 556e28f75..e1ac9b07f 100644
--- a/src/gen/lib/genderstats.py
+++ b/src/gen/lib/genderstats.py
@@ -60,7 +60,7 @@ class GenderStats:
         return name.split (' ')[0].replace ('?', '')
 
     def name_stats (self, name):
-        if self.stats.has_key (name):
+        if name in self.stats:
             return self.stats[name]
         return (0, 0, 0)
 
@@ -95,7 +95,7 @@ class GenderStats:
 
     def guess_gender (self, name):
         name = self._get_key_from_name (name)
-        if not name or not self.stats.has_key (name):
+        if not name or name not in self.stats:
             return Person.UNKNOWN
 
         (male, female, unknown) = self.stats[name]
diff --git a/src/gen/lib/grampstype.py b/src/gen/lib/grampstype.py
index e8575494c..69e73f8ff 100644
--- a/src/gen/lib/grampstype.py
+++ b/src/gen/lib/grampstype.py
@@ -158,7 +158,7 @@ class GrampsType(object):
         This method sets the type instance based on the untranslated string 
         (obtained e.g. from XML).
         """
-        if self._E2IMAP.has_key(value):
+        if value in self._E2IMAP:
             self.__value = self._E2IMAP[value]
             self.__string = u''
         else:
diff --git a/src/gen/lib/test/date_test.py b/src/gen/lib/test/date_test.py
index f811af654..82becd0ef 100644
--- a/src/gen/lib/test/date_test.py
+++ b/src/gen/lib/test/date_test.py
@@ -29,7 +29,7 @@ import traceback
 import locale
 import gettext
 
-if os.environ.has_key("GRAMPSI18N"):
+if "GRAMPSI18N" in os.environ:
     loc = os.environ["GRAMPSI18N"]
 else:
     loc = "/usr/share/locale"
diff --git a/src/gen/utils/callback.py b/src/gen/utils/callback.py
index 5a726854b..57ee11bf4 100644
--- a/src/gen/utils/callback.py
+++ b/src/gen/utils/callback.py
@@ -239,7 +239,7 @@ class Callback(object):
             """A traversal function to walk through all the classes in
             the inheritance tree. The return is a list of all the
             __signals__ dictionaries."""
-            if cls.__dict__.has_key('__signals__'):
+            if '__signals__' in cls.__dict__:
                 signal_list = [cls.__signals__]
             else:
                 signal_list = []
@@ -254,7 +254,7 @@ class Callback(object):
         # Build a signal dict from the list of signal dicts
         for s in trav(self.__class__):
             for (k, v) in s.items():
-                if self.__signal_map.has_key(k):
+                if k in self.__signal_map:
                     # signal name clash
                     sys.stderr.write("Warning: signal name clash: %s\n" % str(k))
                 self.__signal_map[k] = v
diff --git a/src/gramps.py b/src/gramps.py
index 24ce3dd8b..b03fd4103 100644
--- a/src/gramps.py
+++ b/src/gramps.py
@@ -62,7 +62,7 @@ gobject.threads_init()
 # Load internationalization setup
 #
 #-------------------------------------------------------------------------
-if os.environ.has_key("GRAMPSI18N"):
+if "GRAMPSI18N" in os.environ:
     loc = os.environ["GRAMPSI18N"]
 elif os.path.exists( os.path.join(const.ROOT_DIR, "lang") ):
     loc = os.path.join(const.ROOT_DIR, "lang")
diff --git a/src/plugins/BookReport.py b/src/plugins/BookReport.py
index f1b9dad9c..e7f79f9c9 100644
--- a/src/plugins/BookReport.py
+++ b/src/plugins/BookReport.py
@@ -524,7 +524,7 @@ class BookParser(handler.ContentHandler):
             self.o = {}
         elif tag == "option":
             self.an_o_name = attrs['name']
-            if attrs.has_key('length'):
+            if 'length' in attrs:
                 self.an_o_value = []
             else:
                 converter = Utils.get_type_converter_by_name(attrs['type'])
@@ -1165,7 +1165,7 @@ def cl_report(database, name, category, options_str_dict):
     if clr.show:
         return
     
-    if not clr.options_dict.has_key('bookname'):
+    if 'bookname' not in clr.options_dict:
         print "Please Specify a book name"
         return
 
diff --git a/src/plugins/DescendTree.py b/src/plugins/DescendTree.py
index 4efc5661e..0776e3691 100644
--- a/src/plugins/DescendTree.py
+++ b/src/plugins/DescendTree.py
@@ -73,7 +73,7 @@ class GenChart:
         self.max_y = 0
         
     def get_xy(self,x,y):
-        if not self.array.has_key(y):
+        if y not in self.array:
             return 0
         return self.array[y].get(x,0)
 
@@ -81,7 +81,7 @@ class GenChart:
         self.max_x = max(self.max_x,x)
         self.max_y = max(self.max_y,y)
 
-        if not self.array.has_key(y):
+        if y not in self.array:
             self.array[y] = {}
         self.array[y][x] = value
 
diff --git a/src/plugins/DetDescendantReport.py b/src/plugins/DetDescendantReport.py
index a94b0ba12..0f702d7e0 100644
--- a/src/plugins/DetDescendantReport.py
+++ b/src/plugins/DetDescendantReport.py
@@ -423,7 +423,7 @@ class DetDescendantReport(Report):
                                      ReportUtils.roman(cnt).lower() + ".")
             cnt += 1
 
-            if self.henry.has_key(child_handle):
+            if child_handle in self.henry:
                 self.doc.write_text("%s [%s]. " % (child_name,
                                                    self.henry[child_handle]),
                                     child_mark )
diff --git a/src/plugins/EndOfLineReport.py b/src/plugins/EndOfLineReport.py
index 84569c15c..3ea3a62ec 100644
--- a/src/plugins/EndOfLineReport.py
+++ b/src/plugins/EndOfLineReport.py
@@ -114,9 +114,9 @@ class EndOfLineReport(Report):
         if person_is_eol:
             # This person is the end of a line
             person_handle = person.get_handle()
-            if not self.eol_map.has_key(gen):
+            if gen not in self.eol_map:
                 self.eol_map[gen] = {}
-            if not self.eol_map[gen].has_key(person_handle):
+            if person_handle not in self.eol_map[gen]:
                 self.eol_map[gen][person_handle] = []
             self.eol_map[gen][person_handle].append( list(pedigree) )
         
diff --git a/src/plugins/EventCmp.py b/src/plugins/EventCmp.py
index 3ff573509..61384769e 100644
--- a/src/plugins/EventCmp.py
+++ b/src/plugins/EventCmp.py
@@ -304,7 +304,7 @@ class DisplayChart(ManagedWindow.ManagedWindow):
             for ievent_ref in individual.get_event_ref_list():
                 ievent = self.db.get_event_from_handle(ievent_ref.ref)
                 event_name = str(ievent.get_type())
-                if the_map.has_key(event_name):
+                if event_name in the_map:
                     the_map[event_name].append(ievent_ref.ref)
                 else:
                     the_map[event_name] = [ievent_ref.ref]
@@ -318,7 +318,7 @@ class DisplayChart(ManagedWindow.ManagedWindow):
                 else:
                     tlist = ["",""]
                 for ename in self.event_titles:
-                    if the_map.has_key(ename) and len(the_map[ename]) > 0:
+                    if ename in the_map and len(the_map[ename]) > 0:
                         event_handle = the_map[ename][0]
                         del the_map[ename][0]
                         date = ""
@@ -364,7 +364,7 @@ class DisplayChart(ManagedWindow.ManagedWindow):
                 name = str(event.get_type())
                 if not name:
                     break
-                if the_map.has_key(name):
+                if name in the_map:
                     the_map[name] = the_map[name] + 1
                 else:
                     the_map[name] = 1
@@ -375,11 +375,11 @@ class DisplayChart(ManagedWindow.ManagedWindow):
 ## Presently there's no Birth and Death. Instead there's Birth Date and
 ## Birth Place, as well as Death Date and Death Place.
 ##         # Move birth and death to the begining of the list
-##         if the_map.has_key(_("Death")):
+##         if _("Death") in the_map:
 ##             sort_list.remove(_("Death"))
 ##             sort_list = [_("Death")] + sort_list
             
-##         if the_map.has_key(_("Birth")):
+##         if _("Birth") in the_map:
 ##             sort_list.remove(_("Birth"))
 ##             sort_list = [_("Birth")] + sort_list
 
diff --git a/src/plugins/FindDupes.py b/src/plugins/FindDupes.py
index fa587712b..ad198ae47 100644
--- a/src/plugins/FindDupes.py
+++ b/src/plugins/FindDupes.py
@@ -206,12 +206,12 @@ class Merge(Tool.Tool,ManagedWindow.ManagedWindow):
             p1 = self.db.get_person_from_handle(p1_id)
             key = self.gen_key(p1.get_primary_name().get_surname())
             if p1.get_gender() == gen.lib.Person.MALE:
-                if males.has_key(key):
+                if key in males:
                     males[key].append(p1_id)
                 else:
                     males[key] = [p1_id]
             else:
-                if females.has_key(key):
+                if key in females:
                     females[key].append(p1_id)
                 else:
                     females[key] = [p1_id]
@@ -235,14 +235,14 @@ class Merge(Tool.Tool,ManagedWindow.ManagedWindow):
                 if p1key == p2key:
                     continue
                 p2 = self.db.get_person_from_handle(p2key)
-                if self.map.has_key(p2key):
+                if p2key in self.map:
                     (v,c) = self.map[p2key]
                     if v == p1key:
                         continue
                     
                 chance = self.compare_people(p1,p2)
                 if chance >= thresh:
-                    if self.map.has_key(p1key):
+                    if p1key in self.map:
                         val = self.map[p1key]
                         if val[1] > chance:
                             self.map[p1key] = (p2key,chance)
@@ -591,7 +591,7 @@ class ShowMatches(ManagedWindow.ManagedWindow):
     def redraw(self):
         list = []
         for p1key in self.map.keys():
-            if self.dellist.has_key(p1key):
+            if p1key in self.dellist:
                 continue
             (p2key,c) = self.map[p1key]
             if p1key == p2key:
diff --git a/src/plugins/ImportProGen.py b/src/plugins/ImportProGen.py
index 224b660d0..f1c504855 100644
--- a/src/plugins/ImportProGen.py
+++ b/src/plugins/ImportProGen.py
@@ -260,7 +260,7 @@ class PG30_Def_Table:
 
         # If there is a n_fields entry then this is a table that
         # has details about the record format of another file (PER or REL).
-        if self.parms.has_key('n_fields'):
+        if 'n_fields' in self.parms:
             self.get_fields()
             self.recfmt = self.get_recfmt()
             self.nam2fld = {}
@@ -374,7 +374,7 @@ class PG30_Def_Table:
 
     def diag(self):
         txt = self.name + '\n'
-        if self.parms.has_key('n_fields'):
+        if 'n_fields' in self.parms:
             txt += 'n_fields = %s\n' % self.parms['n_fields']
             # Just grab a field
             f = self.flds[1]
diff --git a/src/plugins/KinshipReport.py b/src/plugins/KinshipReport.py
index d2fdd96e3..17cec5787 100644
--- a/src/plugins/KinshipReport.py
+++ b/src/plugins/KinshipReport.py
@@ -129,8 +129,8 @@ class KinshipReport(Report):
                 self.write_people(title,self.kinship_map[Ga][Gb])
                 
                 if self.inc_spouses and \
-                   self.spouse_map.has_key(Ga) and \
-                   self.spouse_map[Ga].has_key(Gb):
+                   Ga in self.spouse_map and \
+                   Gb in self.spouse_map[Ga]:
                     title = _("spouses of %s") % title
                     self.write_people(title,self.spouse_map[Ga][Gb])
 
@@ -189,9 +189,9 @@ class KinshipReport(Report):
         """
         Add a person handle to the kin map.
         """
-        if not self.kinship_map.has_key(Ga):
+        if Ga not in self.kinship_map:
             self.kinship_map[Ga] = {}
-        if not self.kinship_map[Ga].has_key(Gb):
+        if Gb not in self.kinship_map[Ga]:
             self.kinship_map[Ga][Gb] = []
         if person_handle not in self.kinship_map[Ga][Gb]:
             self.kinship_map[Ga][Gb].append(person_handle)
@@ -200,9 +200,9 @@ class KinshipReport(Report):
         """
         Add a person handle to the spouse map.
         """
-        if not self.spouse_map.has_key(Ga):
+        if Ga not in self.spouse_map:
             self.spouse_map[Ga] = {}
-        if not self.spouse_map[Ga].has_key(Gb):
+        if Gb not in self.spouse_map[Ga]:
             self.spouse_map[Ga][Gb] = []
         if spouse_handle not in self.spouse_map[Ga][Gb]:
             self.spouse_map[Ga][Gb].append(spouse_handle)
diff --git a/src/plugins/MarkerReport.py b/src/plugins/MarkerReport.py
index 55ff6882d..4b2408f63 100644
--- a/src/plugins/MarkerReport.py
+++ b/src/plugins/MarkerReport.py
@@ -72,7 +72,7 @@ class MarkerReport(Report):
     def write_report(self):
         markerstr = self.marker
         # Use localized name if this is not a custom marker
-        if MarkerType._E2IMAP.has_key(self.marker):
+        if self.marker in MarkerType._E2IMAP:
             mtype = MarkerType._E2IMAP[self.marker]
             markerstr = MarkerType._I2SMAP[mtype]
         
diff --git a/src/plugins/NarrativeWeb.py b/src/plugins/NarrativeWeb.py
index 783297438..eb2cc5fbb 100644
--- a/src/plugins/NarrativeWeb.py
+++ b/src/plugins/NarrativeWeb.py
@@ -2037,7 +2037,7 @@ class IndividualPage(BasePage):
         place_handle = event.get_place_handle()
         if place_handle:
             # TODO. Figure out what this is for.
-            #if self.place_list.has_key(place_handle):
+            #if place_handle in self.place_list:
             #    if lnk not in self.place_list[place_handle]:
             #        self.place_list[place_handle].append(lnk)
             #else:
@@ -2468,7 +2468,7 @@ class IndividualPage(BasePage):
         descr = event.get_description()
         place_handle = event.get_place_handle()
         if place_handle:
-            if self.place_list.has_key(place_handle):
+            if place_handle in self.place_list:
                 if lnk not in self.place_list[place_handle]:
                     self.place_list[place_handle].append(lnk)
             else:
@@ -2533,7 +2533,7 @@ class IndividualPage(BasePage):
             handle = sref.get_reference_handle()
             gid_list.append(sref)
 
-            if self.src_list.has_key(handle):
+            if handle in self.src_list:
                 if lnk not in self.src_list[handle]:
                     self.src_list[handle].append(lnk)
             else:
@@ -3296,7 +3296,7 @@ def sort_people(db, handle_list):
 
         sortnames[person_handle] = _nd.sort_string(primary_name)
 
-        if sname_sub.has_key(surname):
+        if surname in sname_sub:
             sname_sub[surname].append(person_handle)
         else:
             sname_sub[surname] = [person_handle]
diff --git a/src/plugins/ReadGrdb.py b/src/plugins/ReadGrdb.py
index ffcb16861..f56a7d794 100644
--- a/src/plugins/ReadGrdb.py
+++ b/src/plugins/ReadGrdb.py
@@ -276,7 +276,7 @@ def import_table(id_table, add_obj, find_next_gramps_id,
         
         # Then we check gramps_id for conflicts and change it if needed
         gramps_id = str(obj.gramps_id)
-        if id_table.has_key(gramps_id):
+        if gramps_id in id_table:
             gramps_id = find_next_gramps_id()
             obj.gramps_id = gramps_id
         add_obj(obj, trans)
diff --git a/src/plugins/Verify.py b/src/plugins/Verify.py
index a4f17f5fc..3b2e36c28 100644
--- a/src/plugins/Verify.py
+++ b/src/plugins/Verify.py
@@ -600,7 +600,7 @@ class VerifyResults(ManagedWindow):
             if ignore:
                 handle = row[VerifyResults.OBJ_HANDLE_COL]
                 rule_id = row[VerifyResults.RULE_ID_COL]
-                if not new_ignores.has_key(handle):
+                if handle not in new_ignores:
                     new_ignores[handle] = set()
                 new_ignores[handle].add(rule_id)
         return new_ignores
diff --git a/src/plugins/WriteFtree.py b/src/plugins/WriteFtree.py
index f1155bee7..419bf6306 100644
--- a/src/plugins/WriteFtree.py
+++ b/src/plugins/WriteFtree.py
@@ -200,11 +200,11 @@ class FtreeWriter:
                 n = sn
 
             count = -1
-            if name_map.has_key(n):
+            if n in name_map:
                 count = 0
                 while 1:
                     nn = "%s%d" % (n, count)
-                    if not name_map.has_key(nn):
+                    if nn not in name_map:
                         break;
                     count += 1
                 name_map[nn] = key
@@ -228,9 +228,9 @@ class FtreeWriter:
             family_handle = p.get_main_parents_family_handle()
             if family_handle:
                 family = self.db.get_family_from_handle(family_handle)
-                if family.get_father_handle() and id_map.has_key(family.get_father_handle()):
+                if family.get_father_handle() and family.get_father_handle() in id_map:
                     father = id_map[family.get_father_handle()]
-                if family.get_mother_handle() and id_map.has_key(family.get_mother_handle()):
+                if family.get_mother_handle() and family.get_mother_handle() in id_map:
                     mother = id_map[family.get_mother_handle()]
 
             #
diff --git a/src/plugins/WriteGeneWeb.py b/src/plugins/WriteGeneWeb.py
index a697f4f72..dd7dbbf60 100644
--- a/src/plugins/WriteGeneWeb.py
+++ b/src/plugins/WriteGeneWeb.py
@@ -452,7 +452,7 @@ class GeneWebWriter:
             pf_list = person.get_parent_family_handle_list()
             if pf_list:
                 for family_handle in pf_list:
-                    if self.flist.has_key(family_handle):
+                    if family_handle in self.flist:
                         is_child = 1
             if is_child == 0:
                 self.persons_details_done.append(person.get_handle())
@@ -476,7 +476,7 @@ class GeneWebWriter:
         firstname = _("Living")
         if not (Utils.probably_alive(person,self.db) and self.restrict and self.living):
             firstname = self.rem_spaces( person.get_primary_name().get_first_name())
-        if not self.person_ids.has_key(person.get_handle()):
+        if person.get_handle() not in self.person_ids:
             self.person_ids[person.get_handle()] = len(self.person_ids)
         ret = "%s %s.%d" % (surname, firstname, self.person_ids[person.get_handle()])
         return ret
@@ -486,7 +486,7 @@ class GeneWebWriter:
         firstname = _("Living")
         if not (Utils.probably_alive(person,self.db) and self.restrict and self.living):
             firstname = self.rem_spaces( person.get_primary_name().get_first_name())
-        if not self.person_ids.has_key(person.get_handle()):
+        if person.get_handle() not in self.person_ids:
             self.person_ids[person.get_handle()] = len(self.person_ids)
         if surname != father_lastname:
             ret = "%s.%d %s" % (firstname, self.person_ids[person.get_handle()], surname)
diff --git a/src/test/__init__.py b/src/test/__init__.py
index 8cf3a16d5..c58a8ccbb 100644
--- a/src/test/__init__.py
+++ b/src/test/__init__.py
@@ -18,7 +18,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
 
-# $Id:$
+# $Id$
 
 """
 This package implements unittest support for GRAMPS
diff --git a/src/widgets/styledtextbuffer.py b/src/widgets/styledtextbuffer.py
index abefb4871..bf73b5a06 100644
--- a/src/widgets/styledtextbuffer.py
+++ b/src/widgets/styledtextbuffer.py
@@ -459,7 +459,7 @@ class StyledTextBuffer(gtk.TextBuffer):
             iter = self.get_iter_at_offset(pos)
             for tag in iter.get_tags():
                 name = tag.get_property('name')
-                if tagdict.has_key(name):
+                if name in tagdict:
                     if tagdict[name][-1][1] == pos - 1:
                         tagdict[name][-1] = (tagdict[name][-1][0], pos)
                     else: