Fix weather formatting

character_display.py

@@ -59,6 +59,13 @@ class CharacterDisplay:
 
         self.unicorn.show()
 
+    def clearRow(self, y):
+        for row in range(y, y-5, -1):
+            for col in range(self.minX, self.maxX + 1):
+                self.setPixel(col, row, colors.BLACK)
+
+        self.unicorn.show()
+
     def displayTimeDots(self, x, y, color):
         self.setPixel(x, y, colors.BLACK)
         self.setPixel(x, y-1, color)

chutney.py

@@ -37,7 +37,6 @@ def main():
 
         if (x == 0):
             weatherDisplay.showWeather()
-            print("weather updated")
 
         x = x + 1
         x = x % 120

weather_display.py

@@ -3,6 +3,7 @@ import requests
 
 from configparser import ConfigParser
 
+
 class WeatherDisplay:
     def __init__(self, characterDisplay, topRow, configFile):
         self.characterDisplay = characterDisplay
@@ -23,20 +24,22 @@ class WeatherDisplay:
         print(self.host)
 
     def showWeather(self):
-        self.showTemperature(self.getTemperatureCharacters(self.getTemperature()))
+        self.characterDisplay.clearRow(self.topRow)
+        self.showTemperature(
+            self.getTemperatureCharacters(self.getTemperature()))
 
     def showTemperature(self, temperature):
-      start = 6
+        start = 13 if ( len(temperature) == 2 and temperature[0] == '-') or len(temperature) == 1 else 9
 
         for c in temperature:
             if c == '-':
-          self.characterDisplay.displayNegative(start, self.topRow, self.color)
-          start = start + 3
+                self.characterDisplay.displayNegative(
+                    start-3, self.topRow, self.color)
             else:
-          self.characterDisplay.displayDigit(start, self.topRow, c, self.color)
+                self.characterDisplay.displayDigit(
+                    start, self.topRow, c, self.color)
                 start = start + 4
 
-
     def getTemperature(self):
         return list(filter(lambda t: t["timestep"] == 'current', requests.get(f'https://{self.host}/api/weather?lat={self.lat}&lon={self.lon}&units=metric', auth=(self.user, self.password)).json()["tomorrow"]["data"]['timelines']))[0]["intervals"][0]["values"]["temperature"]