doc: Use finally for teardown in doco examples

This should encourage better handling of non-^C exit conditions in API
based use.

README.rst

@@ -33,9 +33,9 @@ as command-line arguments and logs events generated:
         try:
             while True:
                 time.sleep(1)
-        except KeyboardInterrupt:
+        finally:
             observer.stop()
-        observer.join()
+            observer.join()
 
 
 Shell Utilities

docs/source/examples/logger.py

@@ -14,6 +14,6 @@
 try:
     while True:
         time.sleep(1)
-except KeyboardInterrupt:
+finally:
     observer.stop()
-observer.join()
+    observer.join()

docs/source/examples/patterns.py

@@ -25,6 +25,6 @@ def on_any_event(self, event):
 try:
     while True:
         time.sleep(1)
-except KeyboardInterrupt:
+finally:
     observer.stop()
-observer.join()
+    observer.join()

docs/source/examples/simple.py

@@ -37,6 +37,6 @@ def on_modified(self, event):
 try:
     while True:
         time.sleep(1)
-except KeyboardInterrupt:
+finally:
     observer.stop()
-observer.join()
+    observer.join()

docs/source/quickstart.rst

@@ -48,8 +48,8 @@ file system changes and simply log them to the console::
         try:
             while observer.isAlive():
                 observer.join(1)
-        except KeyboardInterrupt:
+        finally:
             observer.stop()
-        observer.join()
+            observer.join()
 
 To stop the program, press Control-C.