update from atlas

21-class-metaprog/evaltime.py

@@ -0,0 +1,92 @@
+import atexit
+
+from evaldecos import deco_alpha
+from evaldecos import deco_beta
+
+
+print('<<1>> start')
+
+
+func_A = lambda: print('<<2>> func_A')
+
+
+def func_B():
+    print('<<3>> func_B')
+
+    def func_C():
+        print('<<4>> func_C')
+
+    return func_C
+
+
+@deco_alpha
+def func_D():
+    print('<<6>> func_D')
+
+
+def func_E():
+    print('<<7>> func_E')
+
+
+class ClassOne(object):
+    print('<<7>> ClassOne body')
+
+    def __init__(self):
+        print('<<8>> ClassOne.__init__')
+
+    def __del__(self):
+        print('<<9>> ClassOne.__del__')
+
+    def method1(self):
+        print('<<10>> ClassOne.method')
+        return "result from 'ClassOne.method1'"
+
+    class ClassTwo(object):
+        print('<<11>> ClassTwo body')
+
+
+@deco_beta
+class ClassThree(ClassOne):
+    print('<<12>> ClassThree body')
+
+    def method3(self):
+        print('<<13>> ClassOne.method')
+        return "result from 'ClassThree.method3'"
+
+
+if True:
+    print("<<14>> 'if True'")
+
+
+if False:
+    print("<<15>> 'if False'")
+
+
+atexit.register(func_E)
+
+print("<<16>> right before 'if ... __main__'")
+
+
+if __name__ == '__main__':
+    print('<<17>> start __main__ block')
+    print(func_A)
+    print(func_A())
+    print('<<18>> continue __main__ block')
+    print(func_B)
+    b_result = func_B()
+    print(b_result)
+    one = ClassOne()
+    one.method1()
+    b_result()
+    print(func_D)
+    func_D()
+    three = ClassThree()
+    three.method3()
+
+    class ClassFour(object):
+        print('<<19>> ClasFour body')
+
+    print('<<20>> end __main__ block')
+
+
+print('<<21>> The End')