Convert.format() to f-strings with flynt

core/models/caves.py

@@ -144,9 +144,9 @@ class Cave(TroggleModel):
 
     def reference(self):
         if self.kataster_number:
-            return "%s-%s" % (self.kat_area(), self.kataster_number)
+            return f"{self.kat_area()}-{self.kataster_number}"
         else:
-            return "%s-%s" % (self.kat_area(), self.unofficial_number)
+            return f"{self.kat_area()}-{self.unofficial_number}"
     
     def get_absolute_url(self):
         if self.kataster_number:
@@ -332,21 +332,21 @@ class Entrance(TroggleModel):
         if self.tag_station:
             try:
                 s = SurvexStation.objects.lookup(self.tag_station)
-                return r + "%0.0fE %0.0fN %0.0fAlt" % (s.x, s.y, s.z)
+                return r + f"{s.x:0.0f}E {s.y:0.0f}N {s.z:0.0f}Alt"
             except:
-                return r + "%s Tag Station not in dataset" % self.tag_station
+                return r + f"{self.tag_station} Tag Station not in dataset"
         if self.exact_station:
             try:
                 s = SurvexStation.objects.lookup(self.exact_station)
-                return r + "%0.0fE %0.0fN %0.0fAlt" % (s.x, s.y, s.z)
+                return r + f"{s.x:0.0f}E {s.y:0.0f}N {s.z:0.0f}Alt"
             except:
-                return r + "%s Exact Station not in dataset" % self.tag_station
+                return r + f"{self.tag_station} Exact Station not in dataset"
         if self.other_station:
             try:
                 s = SurvexStation.objects.lookup(self.other_station)
-                return r + "%0.0fE %0.0fN %0.0fAlt %s" % (s.x, s.y, s.z, self.other_description)
+                return r + f"{s.x:0.0f}E {s.y:0.0f}N {s.z:0.0f}Alt {self.other_description}"
             except:
-                return r + "%s Other Station not in dataset" % self.tag_station
+                return r + f"{self.tag_station} Other Station not in dataset"
         if self.FINDABLE_CHOICES == "S":
             r += "ERROR, Entrance has been surveyed but has no survex point"
         if self.bearings:

core/models/troggle.py

@@ -63,7 +63,7 @@ class DataIssue(TroggleModel):
         ordering = ['date']
 
     def __str__(self):
-        return "%s - %s" % (self.parser, self.message)
+        return f"{self.parser} - {self.message}"
 
 # 
 # single Expedition, usually seen by year
@@ -90,7 +90,7 @@ class Expedition(TroggleModel):
             if len(expeditiondays) == 1:
                 return expeditiondays[0]
             else:
-                message ='! - more than one datum in an expeditionday: {}'.format(date)
+                message =f'! - more than one datum in an expeditionday: {date}'
                 DataIssue.objects.create(parser='expedition', message=message)
                 return expeditiondays[0]
         res = ExpeditionDay(expedition=self, date=date)
@@ -139,7 +139,7 @@ class Person(TroggleModel):
     
     def __str__(self):
         if self.last_name:
-            return "%s %s" % (self.first_name, self.last_name)
+            return f"{self.first_name} {self.last_name}"
         return self.first_name
 
 
@@ -205,14 +205,14 @@ class PersonExpedition(TroggleModel):
         #order_with_respect_to = 'expedition'
 
     def __str__(self):
-        return "%s: (%s)" % (self.person, self.expedition)
+        return f"{self.person}: ({self.expedition})"
     
     #why is the below a function in personexpedition, rather than in person? - AC 14 Feb 09
     def name(self):
         if self.nickname:
-            return "%s (%s) %s" % (self.person.first_name, self.nickname, self.person.last_name)
+            return f"{self.person.first_name} ({self.nickname}) {self.person.last_name}"
         if self.person.last_name:
-            return "%s %s" % (self.person.first_name, self.person.last_name)
+            return f"{self.person.first_name} {self.person.last_name}"
         return self.person.first_name
 
     def get_absolute_url(self):