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09-closure-deco/clockdeco.py

@@ -9,12 +9,8 @@ def clock(func):
         result = func(*args, **kwargs)
         elapsed = time.perf_counter() - t0
         name = func.__name__
-        arg_lst = []
-        if args:
-            arg_lst.append(', '.join(repr(arg) for arg in args))
-        if kwargs:
-            pairs = [f'{k}={v!r}' for k, v in kwargs.items()]
-            arg_lst.append(', '.join(pairs))
+        arg_lst = [repr(arg) for arg in args]
+        arg_lst.extend(f'{k}={v!r}' for k, v in kwargs.items())
         arg_str = ', '.join(arg_lst)
         print(f'[{elapsed:0.8f}s] {name}({arg_str}) -> {result!r}')
         return result

09-closure-deco/fibo_demo_cache.py

@@ -8,7 +8,7 @@ from clockdeco import clock
 def fibonacci(n):
     if n < 2:
         return n
-    return fibonacci(n-2) + fibonacci(n-1)
+    return fibonacci(n - 2) + fibonacci(n - 1)
 
 
 if __name__ == '__main__':

09-closure-deco/htmlizer.py

@@ -8,7 +8,7 @@ htmlize(): generic function example
 >>> htmlize(abs)
 '<pre>&lt;built-in function abs&gt;</pre>'
 >>> htmlize('Heimlich & Co.\n- a game')  # <2>
-'<p>Heimlich &amp; Co.<br>\n- a game</p>'
+'<p>Heimlich &amp; Co.<br/>\n- a game</p>'
 >>> htmlize(42)  # <3>
 '<pre>42 (0x2a)</pre>'
 >>> print(htmlize(['alpha', 66, {3, 2, 1}]))  # <4>
@@ -45,7 +45,7 @@ def htmlize(obj: object) -> str:
 
 @htmlize.register  # <2>
 def _(text: str) -> str:  # <3>
-    content = html.escape(text).replace('\n', '<br>\n')
+    content = html.escape(text).replace('\n', '<br/>\n')
     return f'<p>{content}</p>'
 
 @htmlize.register  # <4>