Por2

angry.py

@@ -0,0 +1,53 @@
+from smiley import Smiley
+import time
+
+
+
+class Angry(Smiley):
+    def __init__(self):
+        super().__init__(complexion = self.RED)
+
+        Y = self.complexion()
+        O = self.BLANK
+        self.pixels = [
+            O, Y, Y, Y, Y, Y, Y, O,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            O, Y, Y, Y, Y, Y, Y, O,
+        ]
+
+        self.draw_mouth()
+        self.draw_eyes()
+
+    def draw_mouth(self):
+        """
+        Draws the mouth feature on a smiley
+        """
+        mouth = [50, 42, 43, 44, 45, 53]
+        for pixel in mouth:
+            self.pixels[pixel] = self.BLANK
+
+    def draw_eyes(self, wide_open=True):
+        """
+        Draws open or closed eyes on a smiley
+        :param wide_open: Render eyes wide open or shut
+        """
+        eyes = [9, 10, 13, 14, 18, 21]
+        for pixel in eyes:
+            if wide_open:
+                eyes = self.BLANK
+            else:
+                eyes = self.complexion()
+            self.pixels[pixel] = eyes
+
+    def blink(self, delay=0.25):
+
+        self.draw_eyes(wide_open=False)
+        self.show()
+        time.sleep(delay)
+        self.draw_eyes(wide_open=True)
+        self.show()

happy.py

@@ -28,12 +28,12 @@ def draw_eyes(self, wide_open=True):
         """
         eyes = [10, 13, 18, 21]
         for pixel in eyes:
-            self.pixels[pixel] = self.BLANK if wide_open else self.YELLOW
+            self.pixels[pixel] = self.BLANK if wide_open else self.complexion()
 
     def blink(self, delay=0.25):
         """
        Blinks the smiley's eyes once
-        
+
         :param delay: Delay between blinks (in seconds)
         """
         self.draw_eyes(wide_open=False)

main.py

@@ -5,9 +5,11 @@
 import time
 
 from happy import Happy
+from sad import Sad
+from angry import Angry
 
 def main():
-    smiley = Happy()
+    smiley = Angry()
 
     smiley.show()
 

sad.py

@@ -1,9 +1,24 @@
 from smiley import Smiley
+import time
+
 
 
 class Sad(Smiley):
     def __init__(self):
-        super().__init__()
+        super().__init__(complexion=self.BLUE)
+
+        Y = self.complexion()
+        O = self.BLANK
+        self.pixels = [
+            O, Y, Y, Y, Y, Y, Y, O,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            Y, Y, Y, Y, Y, Y, Y, Y,
+            O, Y, Y, Y, Y, Y, Y, O,
+        ]
 
         self.draw_mouth()
         self.draw_eyes()
@@ -26,5 +41,13 @@ def draw_eyes(self, wide_open=True):
             if wide_open:
                 eyes = self.BLANK
             else:
-                eyes = self.YELLOW
+                eyes = self.complexion()
             self.pixels[pixel] = eyes
+
+    def blink(self, delay=0.25):
+
+        self.draw_eyes(wide_open=False)
+        self.show()
+        time.sleep(delay)
+        self.draw_eyes(wide_open=True)
+        self.show()

smiley.py

@@ -1,28 +1,32 @@
 from sense_hat import SenseHat
 
-
 class Smiley:
     WHITE = (255, 255, 255)
     GREEN = (0, 255, 0)
     RED = (255, 0, 0)
     YELLOW = (255, 255, 0)
     BLANK = (0, 0, 0)
+    BLUE = (0, 0, 255)
+
 
-    def __init__(self):
+    def __init__(self, complexion = YELLOW):
         # We have encapsulated the SenseHat object
         self.sense_hat = SenseHat()
 
+        self.my_complexion = complexion
+
         Y = self.YELLOW
         O = self.BLANK
+        X = self.my_complexion
         self.pixels = [
-            O, Y, Y, Y, Y, Y, Y, O,
-            Y, Y, Y, Y, Y, Y, Y, Y,
-            Y, Y, Y, Y, Y, Y, Y, Y,
-            Y, Y, Y, Y, Y, Y, Y, Y,
-            Y, Y, Y, Y, Y, Y, Y, Y,
-            Y, Y, Y, Y, Y, Y, Y, Y,
-            Y, Y, Y, Y, Y, Y, Y, Y,
-            O, Y, Y, Y, Y, Y, Y, O,
+            O, X, X, X, X, X, X, O,
+            X, X, X, X, X, X, X, X,
+            X, X, X, X, X, X, X, X,
+            X, X, X, X, X, X, X, X,
+            X, X, X, X, X, X, X, X,
+            X, X, X, X, X, X, X, X,
+            X, X, X, X, X, X, X, X,
+            O, X, X, X, X, X, X, O,
         ]
 
     def dim_display(self, dimmed=True):
@@ -37,3 +41,6 @@ def show(self):
         Show the smiley on the screen.
         """
         self.sense_hat.set_pixels(self.pixels)
+
+    def complexion(self):
+        return self.my_complexion