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author | Ori Bernstein <ori@eigenstate.org> | 2021-06-14 00:00:37 +0000 |
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committer | Ori Bernstein <ori@eigenstate.org> | 2021-06-14 00:00:37 +0000 |
commit | a73a964e51247ed169d322c725a3a18859f109a3 (patch) | |
tree | 3f752d117274d444bda44e85609aeac1acf313f3 /sys/src/cmd/python/Demo/metaclasses/Simple.py | |
parent | e64efe273fcb921a61bf27d33b230c4e64fcd425 (diff) | |
download | plan9front-a73a964e51247ed169d322c725a3a18859f109a3.tar.xz |
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
Diffstat (limited to 'sys/src/cmd/python/Demo/metaclasses/Simple.py')
-rw-r--r-- | sys/src/cmd/python/Demo/metaclasses/Simple.py | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/sys/src/cmd/python/Demo/metaclasses/Simple.py b/sys/src/cmd/python/Demo/metaclasses/Simple.py deleted file mode 100644 index 03ed2592e..000000000 --- a/sys/src/cmd/python/Demo/metaclasses/Simple.py +++ /dev/null @@ -1,45 +0,0 @@ -import types - -class Tracing: - def __init__(self, name, bases, namespace): - """Create a new class.""" - self.__name__ = name - self.__bases__ = bases - self.__namespace__ = namespace - def __call__(self): - """Create a new instance.""" - return Instance(self) - -class Instance: - def __init__(self, klass): - self.__klass__ = klass - def __getattr__(self, name): - try: - value = self.__klass__.__namespace__[name] - except KeyError: - raise AttributeError, name - if type(value) is not types.FunctionType: - return value - return BoundMethod(value, self) - -class BoundMethod: - def __init__(self, function, instance): - self.function = function - self.instance = instance - def __call__(self, *args): - print "calling", self.function, "for", self.instance, "with", args - return apply(self.function, (self.instance,) + args) - -Trace = Tracing('Trace', (), {}) - -class MyTracedClass(Trace): - def method1(self, a): - self.a = a - def method2(self): - return self.a - -aninstance = MyTracedClass() - -aninstance.method1(10) - -print aninstance.method2() |