Replace locale.format() with locale.format_string()

The former was deprecated in Python 3.7 and removed in Python 3.12
(see [1] and [2]).

[1] https://docs.python.org/3/whatsnew/3.7.html#id7
[2] python/cpython#94226

ffgo/fgdata/airport.py

@@ -106,11 +106,11 @@ def tooltipText(self):
               _("Latitude: {latitude}").format(latitude=self.lat),
               _("Longitude: {longitude}").format(longitude=self.lon),
               _("Elevation: {elev_feet} ft ({elev_meters} m)").format(
-                  elev_feet=locale.format("%d", round(self.elevation)),
-                  elev_meters=locale.format("%.01f", self.elevation*0.3048))]
+                  elev_feet=locale.format_string("%d", round(self.elevation)),
+                  elev_meters=locale.format_string("%.01f", self.elevation*0.3048))]
 
         if magField is not None:
-            magVar = locale.format("%.01f", magField.decl(self.lat, self.lon))
+            magVar = locale.format_string("%.01f", magField.decl(self.lat, self.lon))
             l.append(_("Magnetic variation: {}°").format(magVar))
 
         return '\n'.join(l + rl)
@@ -370,7 +370,7 @@ def __str__(self):
         return "{} ({})".format(self.name, self.type)
 
     def formatLength(self, val):
-        return locale.format("%d", round(val))
+        return locale.format_string("%d", round(val))
 
     def _addLatitude(self, l):
         if self.lat is not None:
@@ -428,7 +428,7 @@ def _addRunwayMarkings(self, l):
     def _addSmoothness(self, l):
         if self.smoothness is not None:
             l.append(_("Smoothness: {}").format(
-                locale.format("%.02f", self.smoothness)))
+                locale.format_string("%.02f", self.smoothness)))
 
 
 class LandRunway(RunwayBase):

ffgo/fgdata/parking.py

@@ -154,9 +154,9 @@ def tooltipText(self):
         l = []
 
         if abs(self.radius - round(self.radius)) < 0.01:
-            radiusStr = locale.format("%d", round(self.radius))
+            radiusStr = locale.format_string("%d", round(self.radius))
         else:
-            radiusStr = locale.format("%.02f", self.radius)
+            radiusStr = locale.format_string("%.02f", self.radius)
         l.append(
             pgettext('parking position', 'Radius: {} m').format(radiusStr))
 

ffgo/gui/gps_tool.py

@@ -406,7 +406,7 @@ def __init__(self, master, config, app):
         ToolTip(flightDurationPostfixLabel,
                 _("Decomposition using Julian years\n"
                   "(1 Julian year = {days} days)").format(
-                      days=locale.format("%.02f", 365.25, grouping=True)))
+                      days=locale.format_string("%.02f", 365.25, grouping=True)))
 
         # This causes the initialization of the various fields of the dialog
         # because of the TreeviewSelect event generated by the initial airport
@@ -739,22 +739,22 @@ def decomposeMinutes(self, nMin):
 
         if years:
             l.append(_("{nYears} {years}").format(
-                nYears=locale.format("%d", years, grouping=True),
+                nYears=locale.format_string("%d", years, grouping=True),
                 years=ngettext("year", "years", years)))
 
         if days:
             l.append(_("{nDays} {days}").format(
-                nDays=locale.format("%d", days, grouping=True),
+                nDays=locale.format_string("%d", days, grouping=True),
                 days=ngettext("day", "days", days)))
 
         if hours:
             l.append(_("{nHours} {hours}").format(
-                nHours=locale.format("%d", hours, grouping=True),
+                nHours=locale.format_string("%d", hours, grouping=True),
                 hours=ngettext("hour", "hours", hours)))
 
         if minutes:
             l.append(_("{nMinutes} {minutes}").format(
-                nMinutes=locale.format("%d", minutes, grouping=True),
+                nMinutes=locale.format_string("%d", minutes, grouping=True),
                 minutes=ngettext("minute", "minutes", minutes)))
 
         if len(l) >= 2:
@@ -766,7 +766,7 @@ def decomposeMinutes(self, nMin):
             # Use the same expression as above for uniformity and to avoid
             # creating useless work for translations
             res = _("{nMinutes} {minutes}").format(
-                nMinutes=locale.format("%d", 0, grouping=True),
+                nMinutes=locale.format_string("%d", 0, grouping=True),
                 minutes=ngettext("minute", "minutes", minutes))
 
         return res

ffgo/gui/pressure_converter.py

@@ -161,8 +161,8 @@ def addVertSpacer(container, rowNum, colNum=0,
         ToolTip(stdButton,
                 _("Set the standard pressure\n"
                   "({std_hPa} hPa = {std_inHg} inHg)").format(
-                      std_hPa=locale.format("%.02f", 1013.25),
-                      std_inHg=locale.format("%.02f", 29.92)))
+                      std_hPa=locale.format_string("%.02f", 1013.25),
+                      std_inHg=locale.format_string("%.02f", 29.92)))
 
 # ----- Close button ----------------------------------------------------------
         self.buttonFrame = self._newWidget(
@@ -220,7 +220,7 @@ def updateHPaValue(self, *args):
         if not inHg.strip():
             self.hPa.set('')
         else:
-            self.hPa.set(locale.format("%.02f", locale.atof(inHg)*33.8639))
+            self.hPa.set(locale.format_string("%.02f", locale.atof(inHg)*33.8639))
 
     # Accept any arguments to allow safe use as a Tkinter variable observer
     def updateRoundedHPa(self, *args):
@@ -247,12 +247,12 @@ def updateInHg(self, *args):
         if not hPa.strip():
             self.inHg.set('')
         else:
-            self.inHg.set(locale.format("%.02f", locale.atof(hPa)*0.02953))
+            self.inHg.set(locale.format_string("%.02f", locale.atof(hPa)*0.02953))
 
     def setStandardValues(self):
         # This will cause the value in inHg as well as the rounded hPa
         # value to be updated.
-        self.hPa.set(locale.format("%.02f", 1013.25))
+        self.hPa.set(locale.format_string("%.02f", 1013.25))
 
     def show(self):
         """Make sure the Pressure Converter dialog is visible."""

ffgo/misc.py

@@ -105,7 +105,7 @@ class DecimalCoord(float):
     def __str__(self):
         # 8 decimal places, as recommended for latitudes and longitudes in
         # the apt.dat v1000 spec
-        return locale.format("%.08f", self)
+        return locale.format_string("%.08f", self)
 
     def __repr__(self):
         return "{}.{}({!r})".format(__name__, type(self).__name__, float(self))