Chapter 4

CodeMouse92 · CodeMouse92 · commit 9e0ce010db1a · 2022-05-15T21:44:37.000-05:00
diff --git a/Ch4/example.py b/Ch4/example.py
@@ -0,0 +1,4 @@
+from testpkg import awesome
+
+print(__name__)          # print "__main__"
+print(awesome.__name__)  # prints "testpkg.awesome"
diff --git a/Ch4/rocket_usage.py b/Ch4/rocket_usage.py
@@ -0,0 +1,4 @@
+from rockets import SmallRocket, Launchpad
+
+pad = Launchpad(SmallRocket())
+pad.launch()
diff --git a/Ch4/rockets/__init__.py b/Ch4/rockets/__init__.py
@@ -0,0 +1,5 @@
+from .smallrocket.rocket import SmallRocket
+from .largerocket.rocket import LargeRocket
+from .launchpad.pad import Launchpad
+
+__all__ = ["SmallRocket", "LargeRocket", "Launchpad"]
diff --git a/Ch4/rockets/largerocket/__init__.py b/Ch4/rockets/largerocket/__init__.py
diff --git a/Ch4/rockets/largerocket/rocket.py b/Ch4/rockets/largerocket/rocket.py
@@ -0,0 +1,3 @@
+class LargeRocket:
+    def launch():
+        print("WHOOOOOOSSSHHHH!")
diff --git a/Ch4/rockets/launchpad/__init__.py b/Ch4/rockets/launchpad/__init__.py
diff --git a/Ch4/rockets/launchpad/pad.py b/Ch4/rockets/launchpad/pad.py
@@ -0,0 +1,6 @@
+class Launchpad:
+    def __init__(self, rocket):
+        self.rocket = rocket
+
+    def launch(self):
+        self.rocket.launch()
diff --git a/Ch4/rockets/smallrocket/__init__.py b/Ch4/rockets/smallrocket/__init__.py
diff --git a/Ch4/rockets/smallrocket/rocket.py b/Ch4/rockets/smallrocket/rocket.py
@@ -0,0 +1,3 @@
+class SmallRocket:
+    def launch(self):
+        print("whoosh")
diff --git a/Ch4/smart_door.py b/Ch4/smart_door.py
@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+
+
+def open():
+    print("Ahhhhhhhhhhhhhh.")
+
+
+def close():
+    print("Thank you for making a simple door very happy.")
diff --git a/Ch4/testpkg/__init__.py b/Ch4/testpkg/__init__.py
diff --git a/Ch4/testpkg/awesome.py b/Ch4/testpkg/awesome.py
@@ -0,0 +1,6 @@
+def greet():
+    print("Hello, world!")
+
+
+if __name__ == "__main__":
+        print("Awesome module was run.")
diff --git a/Ch4/use_smart_door.py b/Ch4/use_smart_door.py
@@ -0,0 +1,13 @@
+# import smart_door
+# smart_door.open()
+# smart_door.close()
+
+# from smart_door import open, close
+from smart_door import open as door_open
+from smart_door import close
+door_open()
+close()
+
+somefile = open("data.txt", "r")
+# ...work with the file...
+somefile.close()

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+class LargeRocket:`
	`2`	`+ def launch():`
	`3`	`+ print("WHOOOOOOSSSHHHH!")`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+class SmallRocket:`
	`2`	`+ def launch(self):`
	`3`	`+ print("whoosh")`