Show temperature

character_display.py

@@ -11,13 +11,18 @@
 # 2) *   * Both Sides
 # 3)     * Right Side
 # 4) *     Left Side
+
+import colors
+
+BLACK = [0,   0,  0]
+
+
 class CharacterDisplay:
 
     def __init__(self, unicorn, minX=0, maxX=15):
         self.unicorn = unicorn
         self.minX = minX
         self.maxX = maxX
-        self.black = [0, 0, 0]
 
         self.digits = {
             0: self.displayZero,
@@ -29,7 +34,17 @@ class CharacterDisplay:
             6: self.displaySix,
             7: self.displaySeven,
             8: self.displayEight,
-            9: self.displayNine
+            9: self.displayNine,
+            '0': self.displayZero,
+            '1': self.displayOne,
+            '2': self.displayTwo,
+            '3': self.displayThree,
+            '4': self.displayFour,
+            '5': self.displayFive,
+            '6': self.displaySix,
+            '7': self.displaySeven,
+            '8': self.displayEight,
+            '9': self.displayNine
         }
 
     def displayDigit(self, x, y, digit, color):
@@ -40,18 +55,30 @@ class CharacterDisplay:
     def clearDigit(self, x, y):
         for y1 in range(y, y-5, -1):
             for x1 in range(x, x+3):
-                self.setPixel(x1, y1, self.black)
+                self.setPixel(x1, y1, colors.BLACK)
 
         self.unicorn.show()
 
     def displayTimeDots(self, x, y, color):
-        self.setPixel(x, y, self.black)
+        self.setPixel(x, y, colors.BLACK)
         self.setPixel(x, y-1, color)
-        self.setPixel(x, y-2, self.black)
+        self.setPixel(x, y-2, colors.BLACK)
         self.setPixel(x, y-3, color)
-        self.setPixel(x, y-4, self.black)
+        self.setPixel(x, y-4, colors.BLACK)
         self.unicorn.show()
 
+    def displayNegative(self, x, y, color):
+        self.setPixel(x, y, colors.BLACK)
+        self.setPixel(x, y-1, colors.BLACK)
+        self.setPixel(x+1, y, colors.BLACK)
+        self.setPixel(x+1, y-1, colors.BLACK)
+        self.setPixel(x, y-2, color)
+        self.setPixel(x+1, y-2, color)
+        self.setPixel(x, y-3, colors.BLACK)
+        self.setPixel(x, y-4, colors.BLACK)
+        self.setPixel(x+1, y-3, colors.BLACK)
+        self.setPixel(x+1, y-4, colors.BLACK)
+
     def displayZero(self, x, y, color):
         self.fullLine(x, y, color)
         self.bothSides(x, y-1, color)

chutney.py

@@ -4,6 +4,7 @@ from character_display import CharacterDisplay
 from signal import signal, SIGTERM
 from time import sleep
 from time_display import TimeDisplay
+from weather_display import WeatherDisplay
 
 try:
     import unicornhathd as unicorn
@@ -27,9 +28,20 @@ def main():
 
     characterDisplay = CharacterDisplay(unicorn)
     timeDisplay = TimeDisplay(characterDisplay, topRow=15)
+    weatherDisplay = WeatherDisplay(characterDisplay, topRow=9, configFile='chutney.cfg')
+
+    x = 0
 
     while True:
         timeDisplay.showTime()
+
+        if (x == 0):
+            weatherDisplay.showWeather()
+            print("weather updated")
+
+        x = x + 1
+        x = x % 120
+
         sleep(1)
 
 

chutney.sample.cfg

@@ -1,6 +1,6 @@
-[DEFAULT]
-weather_user=user
-weather_pass=password
-weather_url=url
-weather_lat=lat
-weather_lon=lon
+[weather]
+host=host
+user=user
+pass=password
+lat=lat
+lon=lon

colors.py

@@ -0,0 +1,4 @@
+BLACK = [0,   0,  0  ]
+RED  =  [255, 0,  0  ]
+PINK =  [255, 0,  64 ]
+BLUE =  [0,   64, 128]

time_display.py

@@ -1,3 +1,5 @@
+import colors
+
 from datetime import datetime
 
 
@@ -8,8 +10,8 @@ class TimeDisplay:
         self.topRow = topRow
         self.currentHour = [-1, -1]
         self.currentMinute = [-1, -1]
-        self.currentColor = [0, 0, 0]
-        self.color = [255, 0, 64]
+        self.currentColor = colors.BLACK
+        self.color = colors.PINK
         self.hourStartColumn = -1
         self.timeDotsColumn = 7
         self.minuteStartColumn = 9

weather_display.py

@@ -0,0 +1,44 @@
+import colors
+import requests
+
+from configparser import ConfigParser
+
+class WeatherDisplay:
+    def __init__(self, characterDisplay, topRow, configFile):
+        self.characterDisplay = characterDisplay
+        self.topRow = topRow
+        self.currentTemperature = [9, 9]
+        self.currentColor = colors.BLACK
+        self.color = colors.BLUE
+        
+        config = ConfigParser()
+        config.read(configFile)
+
+        self.host = config['weather'].get('host')
+        self.user = config['weather'].get('user')
+        self.password = config['weather'].get('pass')
+        self.lat = config['weather'].get('lat')
+        self.lon = config['weather'].get('lon')
+
+        print(self.host)
+
+    def showWeather(self):
+        self.showTemperature(self.getTemperatureCharacters(self.getTemperature()))
+
+    def showTemperature(self, temperature):
+      start = 6
+
+      for c in temperature:
+        if c == '-':
+          self.characterDisplay.displayNegative(start, self.topRow, self.color)
+          start = start + 3
+        else:
+          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"]
+
+    def getTemperatureCharacters(self, temperature):
+      return list(str(round(temperature)))