wip: home theatre facade working with 5 / 7 separates

Author: dancergraham

README.md

@@ -18,7 +18,7 @@ I have added examples of pattern usage in the Python standard library and pypi -
 - [x] [Singleton](chapter05_singleton)
 - [x] [Command](chapter06_command)
 - [x] [Adapter](chapter07_adapter_facade)
-- [ ] [Façade](chapter07_adapter_facade)
+- [x] [Façade](chapter07_adapter_facade)
 - [x] [Template Method](chapter08_template)
 - [x] [Iterator](chapter09_iterator_composite)
 - [ ] [Composite](chapter09_iterator_composite)

chapter07_adapter_facade/facade/home_theatre_facade.py

@@ -3,15 +3,15 @@ class HomeTheaterFacade:
     def __init__(self, amp, tuner,
                  player,
                  projector,
-                 # screen,
+                 screen,
                  # lights,
                  # popper
                  ):
         self.amp = amp
         self.tuner = tuner
         self.player = player
         self.projector = projector
-        # self.screen = screen
+        self.screen = screen
         # self.lights = lights
         # self.popper = popper
 
@@ -20,7 +20,7 @@ def watch_movie(self, movie):
         # self.popper.on()
         # self.popper.pop()
         # self.lights.dim(10)
-        # self.screen.down()
+        self.screen.down()
         self.projector.on()
         self.projector.wide_screen_mode()
         self.amp.on()
@@ -34,7 +34,7 @@ def end_movie(self):
         print("Shutting movie theater down...")
         # self.popper.off()
         # self.lights.on()
-        # self.screen.up()
+        self.screen.up()
         self.projector.off()
         self.amp.off()
         self.player.stop()

chapter07_adapter_facade/home_theatre.py

@@ -1,5 +1,5 @@
 from facade.home_theatre_facade import HomeTheaterFacade
-from separates.separates import Amplifier, Tuner, StreamingPlayer, Projector
+from separates.separates import Amplifier, Tuner, StreamingPlayer, Projector, Screen
 
 
 def theatre_test_drive():
@@ -9,13 +9,13 @@ def theatre_test_drive():
     # cd = CdPlayer("CD Player", amp)
     projector = Projector("Projector", player)
     # lights = TheaterLights("Theater Ceiling Lights")
-    # screen = Screen("Theater Screen")
+    screen = Screen("Theater Screen")
     # popper = PopcornPopper("Popcorn Popper")
 
     home_theater = HomeTheaterFacade(amp, tuner,
                                      player,
                                      projector,
-                                     # screen,
+                                     screen,
                                      # lights,
                                      # popper
                                      )

chapter07_adapter_facade/separates/separates.py

@@ -123,3 +123,15 @@ def wide_screen_mode(self):
 
     def tv_mode(self):
         print(self.description + " in tv mode (4x3 aspect ratio)")
+
+class Screen:
+    def __init__(self, description):
+        self.description = description
+    def __str__(self):
+        return self.description
+
+    def up(self):
+        print(f"{self.description} going up")
+
+    def down(self):
+        print(f"{self.description} going down")