* src/plugins/WriteFtree.py: catch file open exception

* src/WriteXML.py: try to handle invalid IDs
* src/RelLib.py: minor organizational cleanup


svn: r2322

src/RelLib.py

@@ -2069,17 +2069,17 @@ class GrampsDB:
         """creates a new GrampsDB"""
         self.surnames = []
         self.personTable = {}
+        self.personMap = {}
         self.placeTable = {}
+        self.placeMap = {}
         self.sourceTable = {}
+        self.sourceMap = {}
+        self.familyMap = {}
         self.iprefix = "I%d"
         self.sprefix = "S%d"
         self.oprefix = "O%d"
         self.pprefix = "P%d"
         self.fprefix = "F%d"
-        self.familyMap = {}
-        self.personMap = {}
-        self.sourceMap = {}
-        self.placeMap = {}
         self.new()
         self.added_files = []
         self.genderStats = GenderStats ()
@@ -2193,12 +2193,12 @@ class GrampsDB:
 
         self.surnames = []
         self.personMap = {}
-        self.sourceMap = {}
-        self.placeMap  = {}
-        self.objectMap = {}
         self.personTable = {}
-        self.placeTable = {}
+        self.sourceMap = {}
         self.sourceTable = {}
+        self.placeMap  = {}
+        self.placeTable = {}
+        self.objectMap = {}
         self.smapIndex = 0
         self.pmapIndex = 0
         self.fmapIndex = 0

src/WriteXML.py

@@ -162,8 +162,8 @@ class XmlWriter:
         owner = self.db.getResearcher()
         familyMap = self.db.getFamilyMap()
         familyList = familyMap.keys ()
-        person_len = len(self.db.getPersonKeys())
-        family_len = len(familyList)
+        person_len = self.db.getPersonLength()
+        family_len = len(familyMap)
         source_len = len(self.db.getSourceKeys())
         place_len = len(self.db.getPlaceKeys())
         objMap = self.db.getObjectMap()
@@ -203,10 +203,13 @@ class XmlWriter:
                 self.g.write(' default="%s"' % person.getId())
             self.g.write(">\n")
 
-            keys = self.db.getPersonKeys()
-            keys.sort ()
-            for key in keys:
+            for key in self.db.sortPersonKeys():
+                try:
                     person = self.db.getPerson(key)
+                except:
+                    print "Key error %s" % key
+                    continue
+                
                 if self.callback and count % delta == 0:
                     self.callback(float(count)/float(total))
                 count = count + 1

src/plugins/WriteFtree.py

@@ -48,7 +48,7 @@ import Utils
 import GenericFilter
 import Errors
 
-from QuestionDialog import MissingMediaDialog
+from QuestionDialog import MissingMediaDialog, ErrorDialog
 
 from gettext import gettext as _
 
@@ -135,6 +135,8 @@ class FtreeWriter:
         Utils.destroy_passed_object(self.topwin)
         try:
             self.export(name, pfilter, restrict)
+        except (IOError,OSError),msg:
+            ErrorDialog(_("Could not create %s") % name, msg)
         except:
             import DisplayTrace
             DisplayTrace.DisplayTrace()