Part one of getting troggle to work with django 1.10

Major rework of how survex is processed

core/models.py

@@ -153,7 +153,7 @@ class Person(TroggleModel):
 
         for personexpedition in self.personexpedition_set.all():
              if not personexpedition.is_guest:
-                print(personexpedition.expedition.year)
+                # print(personexpedition.expedition.year)
                 notability += Decimal(1) / (max_expo_val - int(personexpedition.expedition.year))
         return notability
 
@@ -248,7 +248,7 @@ class LogbookEntry(TroggleModel):
         ("html", "Html style logbook")
     )
 
-    date    = models.DateField()#MJG wants to turn this into a datetime such that multiple Logbook entries on the same day can be ordered.ld()
+    date    = models.DateTimeField()#MJG wants to turn this into a datetime such that multiple Logbook entries on the same day can be ordered.ld()
     expeditionday = models.ForeignKey("ExpeditionDay", null=True)#MJG wants to KILL THIS (redundant information)
     expedition  = models.ForeignKey(Expedition,blank=True,null=True)  # yes this is double-
     title      = models.CharField(max_length=settings.MAX_LOGBOOK_ENTRY_TITLE_LENGTH)
@@ -377,12 +377,14 @@ class CaveSlug(models.Model):
     cave = models.ForeignKey('Cave')
     slug = models.SlugField(max_length=50, unique = True)
     primary = models.BooleanField(default=False)
-    
+
+    def __unicode__(self):
+        return self.slug
 
 class Cave(TroggleModel):
     # too much here perhaps, 
     official_name = models.CharField(max_length=160)
-    area = models.ManyToManyField(Area, blank=True, null=True)
+    area = models.ManyToManyField(Area, blank=True)
     kataster_code = models.CharField(max_length=20,blank=True,null=True)
     kataster_number = models.CharField(max_length=10,blank=True, null=True)
     unofficial_number = models.CharField(max_length=60,blank=True, null=True)
@@ -535,13 +537,15 @@ class Cave(TroggleModel):
 
 def getCaveByReference(reference):
     areaname, code = reference.split("-", 1)
-    print(areaname, code)
+    #print(areaname, code)
     area = Area.objects.get(short_name = areaname)
-    print(area)
+    #print(area)
     foundCaves = list(Cave.objects.filter(area = area,  kataster_number = code).all()) + list(Cave.objects.filter(area = area,  unofficial_number = code).all()) 
     print(list(foundCaves))
-    assert len(foundCaves) == 1
-    return foundCaves[0]
+    if len(foundCaves) == 1:
+        return foundCaves[0]
+    else:
+        return False
 
 class OtherCaveName(TroggleModel):
     name = models.CharField(max_length=160)
@@ -706,9 +710,9 @@ class CaveDescription(TroggleModel):
     short_name = models.CharField(max_length=50, unique = True)
     long_name = models.CharField(max_length=200, blank=True, null=True)
     description = models.TextField(blank=True,null=True)
-    linked_subcaves = models.ManyToManyField("NewSubCave", blank=True,null=True)
-    linked_entrances = models.ManyToManyField("Entrance", blank=True,null=True)
-    linked_qms = models.ManyToManyField("QM", blank=True,null=True)
+    linked_subcaves = models.ManyToManyField("NewSubCave", blank=True)
+    linked_entrances = models.ManyToManyField("Entrance", blank=True)
+    linked_qms = models.ManyToManyField("QM", blank=True)
 
     def __unicode__(self):
         if self.long_name:
@@ -782,7 +786,7 @@ photoFileStorage = FileSystemStorage(location=settings.PHOTOS_ROOT, base_url=set
 class DPhoto(TroggleImageModel): 
     caption = models.CharField(max_length=1000,blank=True,null=True)
     contains_logbookentry = models.ForeignKey(LogbookEntry,blank=True,null=True)
-    contains_person = models.ManyToManyField(Person,blank=True,null=True)
+    contains_person = models.ManyToManyField(Person,blank=True)
     file = models.ImageField(storage=photoFileStorage, upload_to='.',)
     is_mugshot = models.BooleanField(default=False)
     contains_cave = models.ForeignKey(Cave,blank=True,null=True)
@@ -856,8 +860,9 @@ class Survey(TroggleModel):
     integrated_into_main_sketch_on = models.DateField(blank=True,null=True)
     integrated_into_main_sketch_by = models.ForeignKey('Person' ,related_name='integrated_into_main_sketch_by', blank=True,null=True)
     rendered_image = models.ImageField(upload_to='renderedSurveys',blank=True,null=True)
+
     def __unicode__(self):
-        return self.expedition.year+"#"+"%02d" % int(self.wallet_number)
+        return self.expedition.year+"#" + "%s%02d" % (self.wallet_letter, int(self.wallet_number))
 
     def notes(self):
         return self.scannedimage_set.filter(contents='notes')