diff --git a/src/DateHandler/_DateParser.py b/src/DateHandler/_DateParser.py
index 089e703f3..e51c4734e 100644
--- a/src/DateHandler/_DateParser.py
+++ b/src/DateHandler/_DateParser.py
@@ -585,7 +585,7 @@ class DateParser(object):
             match = self._calny_iso.match(text)
             if match:
                 cal = self.calendar_to_int[match.group(2).lower()]
-                newyear = tuple([int(s) for s in match.group(3).split("-")])
+                newyear = tuple(map(int, match.group(3).split("-"))
                 text = match.group(1) + match.group(4)
         return (text, cal, newyear)
 
@@ -602,7 +602,7 @@ class DateParser(object):
         else:
             match = self._ny_iso.match(text)
             if match:
-                newyear = tuple([int(s) for s in match.group(2).split("-")])
+                newyear = tuple(map(int, match.group(2).split("-"))
                 text = match.group(1) + match.group(3)
         return (text, newyear)
 
diff --git a/src/gen/db/read.py b/src/gen/db/read.py
index 37169ab9f..36e571751 100644
--- a/src/gen/db/read.py
+++ b/src/gen/db/read.py
@@ -779,7 +779,7 @@ class DbBsddbRead(DbReadBase, Callback):
         """
         Return the defined names that have been assigned to a default grouping.
         """
-        return [unicode(k) for k in self.name_group.keys()]
+        return map(unicode, self.name_group.keys())
 
     def has_name_group_key(self, name):
         """
diff --git a/src/gen/db/upgrade.py b/src/gen/db/upgrade.py
index 554a9e5a6..40540267a 100644
--- a/src/gen/db/upgrade.py
+++ b/src/gen/db/upgrade.py
@@ -86,10 +86,9 @@ def gramps_upgrade_15(self):
             tags = [tag_handle]
         else:
             tags = []
-        address_list = [convert_address(addr) for addr in address_list]
+        address_list = map(convert_address, address_list)
         new_primary_name = convert_name_15(primary_name)
-        new_alternate_names = [convert_name_15(altname) for altname in 
-                                                            alternate_names]
+        new_alternate_names = map(convert_name_15, alternate_names)
         new_person = (junk_handle,        #  0
                       gramps_id,          #  1
                       gender,             #  2
@@ -193,7 +192,7 @@ def gramps_upgrade_15(self):
         new_place = list(place)
         if new_place[5] is not None:
             new_place[5] = convert_location(new_place[5])
-        new_place[6] = [convert_location(loc) for loc in new_place[6]]
+        new_place[6] = map(convert_location, new_place[6])
         new_place = new_place[:11] + new_place[12:]
         new_place = tuple(new_place)
         with BSDDBTxn(self.env, self.place_map) as txn:
@@ -221,7 +220,7 @@ def gramps_upgrade_15(self):
         repository = self.repository_map[handle]
         new_repository = list(repository)
         new_repository = new_repository[:7] + new_repository[8:]
-        new_repository[5] = [convert_address(addr) for addr in new_repository[5]]
+        new_repository[5] = map(convert_address, new_repository[5])
         new_repository = tuple(new_repository)
         with BSDDBTxn(self.env, self.repository_map) as txn:
             txn.put(str(handle), new_repository)
diff --git a/src/gen/lib/date.py b/src/gen/lib/date.py
index cdc05dc74..77f91e224 100644
--- a/src/gen/lib/date.py
+++ b/src/gen/lib/date.py
@@ -1080,7 +1080,7 @@ class Date(object):
             code = Date.NEWYEAR_SEP1
         elif "-" in string:
             try:
-                code = tuple([int(n) for n in string.split("-")])
+                code = tuple(map(int, string.split("-")))
             except:
                 code = 0
         else:
diff --git a/src/gen/lib/place.py b/src/gen/lib/place.py
index 1e75512b0..7ec88f6f2 100644
--- a/src/gen/lib/place.py
+++ b/src/gen/lib/place.py
@@ -68,7 +68,7 @@ class Place(SourceBase, NoteBase, MediaBase, UrlBase, PrimaryObject):
             self.lat = source.lat
             self.title = source.title
             self.main_loc = Location(source.main_loc)
-            self.alt_loc = [Location(loc) for loc in source.alt_loc]
+            self.alt_loc = map(Location, source.alt_loc)
         else:
             self.long = ""
             self.lat = ""
diff --git a/src/gen/plug/_pluginreg.py b/src/gen/plug/_pluginreg.py
index 4941c5832..9d4171987 100644
--- a/src/gen/plug/_pluginreg.py
+++ b/src/gen/plug/_pluginreg.py
@@ -161,12 +161,10 @@ def valid_plugin_version(plugin_version_string):
     if not isinstance(plugin_version_string, basestring): return False
     dots = plugin_version_string.count(".")
     if dots == 1:
-        plugin_version  = tuple([int(n) for n in 
-                                 plugin_version_string.split(".", 1)])
+        plugin_version  = tuple(map(int, plugin_version_string.split(".", 1)))
         return plugin_version == VERSION_TUPLE[:2]
     elif dots == 2:
-        plugin_version  = tuple([int(n) for n in 
-                                 plugin_version_string.split(".", 2)])
+        plugin_version  = tuple(map(int, plugin_version_string.split(".", 2)))
         return (plugin_version[:2] == VERSION_TUPLE[:2] and 
                 plugin_version <= VERSION_TUPLE)
     return False
diff --git a/src/gen/plug/utils.py b/src/gen/plug/utils.py
index e538a3ff1..81e84d49c 100644
--- a/src/gen/plug/utils.py
+++ b/src/gen/plug/utils.py
@@ -84,9 +84,8 @@ def version_str_to_tup(sversion, positions):
     (1, 2)
     """
     try:
-        tup = tuple(([int(n) for n in 
-                      sversion.split(".", sversion.count("."))] + 
-                     [0] * positions)[0:positions])
+        tup = tuple(map(int, sversion.split(".")))
+        tup += (0,) * (positions - len(tup))
     except:
         tup = (0,) * positions
     return tup
diff --git a/src/gui/filtereditor.py b/src/gui/filtereditor.py
index addca77b5..758fa2f34 100644
--- a/src/gui/filtereditor.py
+++ b/src/gui/filtereditor.py
@@ -539,7 +539,7 @@ class EditRule(ManagedWindow.ManagedWindow):
                     taglist = taglist + [tag.get_name() for tag in dbstate.db.iter_tags()]
                     t = MyList(taglist, taglist)
                 elif v == _('Confidence level:'):
-                    t = MyList([str(i) for i in range(5)], 
+                    t = MyList(map(str, range(5)), 
                                [Utils.confidence[i] for i in range(5)])
                 else:                    
                     t = MyEntry()
diff --git a/src/plugins/docgen/PSDrawDoc.py b/src/plugins/docgen/PSDrawDoc.py
index 6fde4eadd..d1d09fe80 100644
--- a/src/plugins/docgen/PSDrawDoc.py
+++ b/src/plugins/docgen/PSDrawDoc.py
@@ -270,7 +270,9 @@ class PSDrawDoc(BaseDoc, DrawDoc):
             self.file.write('[] 0 setdash\n')
         else:
             dash_style = stype.get_dash_style(stype.get_line_style())
-            self.file.write('[%s] 0 setdash\n' % (" ".join([str(d) for d in dash_style])))
+            self.file.write('[%s] 0 setdash\n' % (
+                                " ".join(map(str, dash_style)))
+                                )
 
         point = path[0]
         x1 = point[0] + self.paper.get_left_margin()
@@ -311,7 +313,9 @@ class PSDrawDoc(BaseDoc, DrawDoc):
             self.file.write('[] 0 setdash\n')
         else:
             dash_style = stype.get_dash_style(stype.get_line_style())
-            self.file.write('[%s] 0 setdash\n' % (" ".join([str(d) for d in dash_style])))
+            self.file.write('[%s] 0 setdash\n' % (
+                                " ".join(map(str, dash_style)))
+                                )
             
         self.file.write(
             '2 setlinecap\n' +
diff --git a/src/plugins/docgen/SvgDrawDoc.py b/src/plugins/docgen/SvgDrawDoc.py
index 4aa55ce33..a56e82444 100644
--- a/src/plugins/docgen/SvgDrawDoc.py
+++ b/src/plugins/docgen/SvgDrawDoc.py
@@ -158,7 +158,9 @@ class SvgDrawDoc(BaseDoc, DrawDoc):
         line_out += 'x2="%4.2fcm" y2="%4.2fcm" ' % (x2, y2)
         line_out += 'style="stroke:#%02x%02x%02x; ' % s.get_color()
         if s.get_line_style() != SOLID:
-            line_out += 'stroke-dasharray: %s; ' % (",".join([str(d) for d in s.get_dash_style()]))
+            line_out += 'stroke-dasharray: %s; ' % (
+                ",".join(map(str, s.get_dash_style()))
+                )
         line_out += 'stroke-width:%.2fpt;"/>\n' % s.get_line_width()
         self.f.write(line_out)
 
@@ -170,7 +172,9 @@ class SvgDrawDoc(BaseDoc, DrawDoc):
         line_out = '<polygon fill="#%02x%02x%02x"' % stype.get_fill_color()
         line_out += ' style="stroke:#%02x%02x%02x; ' % stype.get_color()
         if stype.get_line_style() != SOLID:
-            line_out += 'stroke-dasharray: %s; ' % (",".join([str(d) for d in stype.get_dash_style()]))
+            line_out += 'stroke-dasharray: %s; ' % (
+                ",".join(map(str, stype.get_dash_style()))
+                )
         line_out += ' stroke-width:%.2fpt;"' % stype.get_line_width()
         line_out += ' points="%.2f,%.2f' % units((point[0]+self.paper.get_left_margin(),
                                                   point[1]+self.paper.get_top_margin()))
@@ -208,7 +212,9 @@ class SvgDrawDoc(BaseDoc, DrawDoc):
         line_out += 'style="fill:#%02x%02x%02x; ' % box_style.get_fill_color()
         line_out += 'stroke:#%02x%02x%02x; ' % box_style.get_color()
         if box_style.get_line_style() != SOLID:
-            line_out += 'stroke-dasharray: %s; ' % (",".join([str(d) for d in box_style.get_dash_style()]))
+            line_out += 'stroke-dasharray: %s; ' % (
+                ",".join(map(str, box_style.get_dash_style()))
+                )            
         line_out += 'stroke-width:%f;"/>\n' % box_style.get_line_width()
         self.f.write(line_out)
 
diff --git a/src/plugins/quickview/FilterByName.py b/src/plugins/quickview/FilterByName.py
index bc0f13a91..e72518867 100644
--- a/src/plugins/quickview/FilterByName.py
+++ b/src/plugins/quickview/FilterByName.py
@@ -66,6 +66,9 @@ def run(database, document, filter_name, *args, **kwargs):
     sdb = SimpleAccess(database)
     sdoc = SimpleDoc(document)
     stab = SimpleTable(sdb)
+    print "Inverse Person"
+    filter_name = "Inverse Person"
+
     if (filter_name == 'all'):
         sdoc.title(_("Summary counts of current selection"))
         sdoc.paragraph("")
@@ -99,6 +102,7 @@ def run(database, document, filter_name, *args, **kwargs):
         sdoc.paragraph("")
         stab.write(sdoc)
         return
+
     # display the title
     if filter_name in fname_map:
         sdoc.title(_("Filtering on %s") % fname_map[filter_name]) # listed above
@@ -106,119 +110,136 @@ def run(database, document, filter_name, *args, **kwargs):
         sdoc.title(_("Filtering on %s") % _(filter_name))
     sdoc.paragraph("")
     matches = 0
+
     if (filter_name == 'Inverse Person'):
         sdb.dbase = database.db
         stab.columns(_("Person"), _("Gramps ID"), _("Birth Date"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_person_handles()])
+        proxy_handles = set(database.iter_person_handles())
+
         for person in database.db.iter_people():
             if person.handle not in proxy_handles:
                 stab.row(person, person.gramps_id, 
                          sdb.birth_or_fallback(person))
                 matches += 1
+
     elif (filter_name == 'Inverse Family'):
         sdb.dbase = database.db
         stab.columns(_("Family"), _("Gramps ID"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_family_handles()])
+        proxy_handle = set(database.iter_family_handles())
+
         for family in database.db.iter_families():
             if family.handle not in proxy_handles:
                 stab.row(family, family.gramps_id)
                 matches += 1
+
     elif (filter_name == 'Inverse Event'):
         sdb.dbase = database.db
         stab.columns(_("Event"), _("Gramps ID"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_event_handles()])
+        proxy_handles = set(database.iter_event_handles())
+
         for event in database.db.iter_events():
             if event.handle not in proxy_handles:
                 stab.row(event, event.gramps_id)
                 matches += 1
+
     elif (filter_name == 'Inverse Place'):
         sdb.dbase = database.db
         stab.columns(_("Place"), _("Gramps ID"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_place_handles()])
+        proxy_handles = set(database.iter_place_handles())                              
+
         for place in database.db.iter_places():
             if place.handle not in proxy_handles:
                 stab.row(place, place.gramps_id)
                 matches += 1
+
     elif (filter_name == 'Inverse Source'):
         sdb.dbase = database.db
         stab.columns(_("Source"), _("Gramps ID"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_source_handles()])
+        proxy_handles = set(database.iter_source_handles())                              
+
         for source in database.db.iter_sources():
             if source.handle not in proxy_handles:
                 stab.row(source, source.gramps_id)
                 matches += 1
+
     elif (filter_name == 'Inverse Repository'):
         sdb.dbase = database.db
         stab.columns(_("Repository"), _("Gramps ID"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_repository_handles()])
+        proxy_handles = set(database.iter_repository_handles())
+
         for repository in database.db.iter_repositories():
             if repository.handle not in proxy_handles:
                 stab.row(repository, repository.gramps_id)
                 matches += 1
+
     elif (filter_name == 'Inverse MediaObject'):
         sdb.dbase = database.db
         stab.columns(_("Media"), _("Gramps ID"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_media_object_handles()])
+        proxy_handles = set(database.iter_media_object_handles())                              
+
         for media in database.db.iter_media_objects():
             if media.handle not in proxy_handles:
                 stab.row(media, media.gramps_id)
                 matches += 1
+
     elif (filter_name == 'Inverse Note'):
         sdb.dbase = database.db
         stab.columns(_("Note"), _("Gramps ID"))
-        proxy_handles = dict([(handle,1) for handle in 
-                              database.iter_note_handles()])
+        proxy_handles = set(database.iter_note_handles())                              
+
         for note in database.db.iter_notes():
             if note.handle not in proxy_handles:
                 stab.row(note, note.gramps_id)
                 matches += 1
+
     elif (filter_name in ['all people', 'Person']):
         stab.columns(_("Person"), _("Gramps ID"), _("Birth Date"))
         for person in database.iter_people():
             stab.row(person, person.gramps_id, sdb.birth_or_fallback(person))
             matches += 1
+
     elif (filter_name in ['all families', 'Family']):
         stab.columns(_("Family"), _("Gramps ID"))
         for family in database.iter_families():
             stab.row(family, family.gramps_id)
             matches += 1
+
     elif (filter_name in ['all events', 'Event']):
         stab.columns(_("Event"), _("Gramps ID"))
         for obj in database.iter_events():
             stab.row(obj, obj.gramps_id)
             matches += 1
+
     elif (filter_name in ['all places', 'Place']):
         stab.columns(_("Place"), _("Gramps ID"))
         for obj in database.iter_places():
             stab.row(obj, obj.gramps_id)
             matches += 1
+
     elif (filter_name in ['all sources', 'Source']):
         stab.columns(_("Source"), _("Gramps ID"))
         for obj in database.iter_sources():
             stab.row(obj, obj.gramps_id)
             matches += 1
+
     elif (filter_name in ['all repositories', 'Repository']):
         stab.columns(_("Repository"), _("Gramps ID"))
         for obj in database.iter_repositories():
             stab.row(obj, obj.gramps_id)
             matches += 1
+
     elif (filter_name in ['all media', 'MediaObject']):
         stab.columns(_("Media"), _("Gramps ID"))
         for obj in database.iter_media_objects():
             stab.row(obj, obj.gramps_id)
             matches += 1
+
     elif (filter_name in ['all notes', 'Note']):
         stab.columns(_("Note"), _("Gramps ID"))
         for obj in database.iter_notes():
             stab.row(obj, obj.gramps_id)
             matches += 1
+
     elif (filter_name == 'males'):
         stab.columns(_("Person"), _("Birth Date"), _("Name type"))
         for person in database.iter_people():
@@ -226,6 +247,7 @@ def run(database, document, filter_name, *args, **kwargs):
                 stab.row(person, sdb.birth_or_fallback(person),
                          str(person.get_primary_name().get_type()))
                 matches += 1
+
     elif (filter_name == 'females'):
         stab.columns(_("Person"), _("Birth Date"), _("Name type"))
         for person in database.iter_people():
@@ -233,6 +255,7 @@ def run(database, document, filter_name, *args, **kwargs):
                 stab.row(person, sdb.birth_or_fallback(person),
                          str(person.get_primary_name().get_type()))
                 matches += 1
+
     elif (filter_name == 'people with unknown gender'):
         stab.columns(_("Person"), _("Birth Date"), _("Name type"))
         for person in database.iter_people():
@@ -240,6 +263,7 @@ def run(database, document, filter_name, *args, **kwargs):
                 stab.row(person, sdb.birth_or_fallback(person),
                          str(person.get_primary_name().get_type()))
                 matches += 1
+
     elif (filter_name == 'people with incomplete names'):
         stab.columns(_("Person"), _("Birth Date"), _("Name type"))
         for person in database.iter_people():
@@ -248,6 +272,7 @@ def run(database, document, filter_name, *args, **kwargs):
                     stab.row(person, sdb.birth_or_fallback(person),
                              str(person.get_primary_name().get_type()))
                     matches += 1
+
     elif (filter_name == 'people with missing birth dates'):
         stab.columns(_("Person"), _("Type"))
         for person in database.iter_people():
@@ -260,6 +285,7 @@ def run(database, document, filter_name, *args, **kwargs):
             else:
                 stab.row(person, _("missing birth event"))
                 matches += 1
+
     elif (filter_name == 'disconnected people'):
         stab.columns(_("Person"), _("Birth Date"), _("Name type"))
         for person in database.iter_people():
@@ -268,6 +294,7 @@ def run(database, document, filter_name, *args, **kwargs):
                 stab.row(person, sdb.birth_or_fallback(person),
                          str(person.get_primary_name().get_type()))
                 matches += 1
+
     elif (filter_name == 'unique surnames'):
         namelist = defaultdict(int)
         for person in database.iter_people():
@@ -284,6 +311,7 @@ def run(database, document, filter_name, *args, **kwargs):
                                                          database,
                                                          document,
                                                          name))
+
     elif (filter_name == 'people with media'):
         stab.columns(_("Person"), _("Media count"))
         for person in database.iter_people():
@@ -291,6 +319,7 @@ def run(database, document, filter_name, *args, **kwargs):
             if length > 0:
                 stab.row(person, length)
                 matches += 1
+
     elif (filter_name == 'media references'):
         stab.columns(_("Person"), _("Reference"))
         for person in database.iter_people():
@@ -298,12 +327,14 @@ def run(database, document, filter_name, *args, **kwargs):
             for item in medialist:
                 stab.row(person, _("media"))
                 matches += 1
+
     elif (filter_name == 'unique media'):
         stab.columns(_("Unique Media"))
         for photo in database.iter_media_objects():
             fullname = media_path_full(database, photo.get_path())
             stab.row(fullname)
             matches += 1
+
     elif (filter_name == 'missing media'):
         stab.columns(_("Missing Media"))
         for photo in database.iter_media_objects():
@@ -313,6 +344,7 @@ def run(database, document, filter_name, *args, **kwargs):
             except:
                 stab.row(fullname)
                 matches += 1
+
     elif (filter_name == 'media by size'):
         stab.columns(_("Media"), _("Size in bytes"))
         for photo in database.iter_media_objects():
@@ -323,6 +355,7 @@ def run(database, document, filter_name, *args, **kwargs):
                 matches += 1
             except:
                 pass
+
     elif (filter_name == 'list of people'):
         stab.columns(_("Person"), _("Birth Date"), _("Name type"))
         handles = kwargs["handles"]
@@ -331,6 +364,7 @@ def run(database, document, filter_name, *args, **kwargs):
             stab.row(person, sdb.birth_or_fallback(person),
                      str(person.get_primary_name().get_type()))
             matches += 1
+
     else:
         raise AttributeError, ("invalid filter name: '%s'" % filter_name)
     sdoc.paragraph(ngettext("Filter matched %d record."