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69 lines
2.6 KiB
69 lines
2.6 KiB
class Glomp():
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@classmethod
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def metaize(self, op=None, *arguments):
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if op is None:
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raise TypeError
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fixed_arguments = [g(quantity) for quantity in arguments]
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return MetaGlomp(op, *fixed_arguments)
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def __add__(self, other): return Glomp.metaize("__add__", self, other)
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def __sub__(self, other): return Glomp.metaize("__sub__", self, other)
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def __mul__(self, other): return Glomp.metaize("__mul__", self, other)
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def __div__(self, other): return Glomp.metaize("__div__", self, other)
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def __floordiv__(self, other): return Glomp.metaize("__floordiv__", self, other)
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def __mod__(self, other): return Glomp.metaize("__mod__", self, other)
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def __divmod__(self, other): return Glomp.metaize("__divmod__", self, other)
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def __pow__(self, other): return Glomp.metaize("__pow__", self, other)
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def __lshift__(self, other): return Glomp.metaize("__lshift__", self, other)
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def __rshift__(self, other): return Glomp.metaize("__rshift__", self, other)
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def __and__(self, other): return Glomp.metaize("__and__", self, other)
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def __xor__(self, other): return Glomp.metaize("__xor__", self, other)
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def __or__(self, other): return Glomp.metaize("__or__", self, other)
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def v(g):
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"""Get the value of a glomp or variable."""
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if isinstance(g, Glomp):
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return g.value
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else:
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return g
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def g(v):
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"""Get a glomp of a variable. If the argument is already a glomp, this returns it."""
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if isinstance(v, Glomp):
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return v
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else:
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return BasicGlomp(v)
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class BasicGlomp(Glomp):
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def __init__(self, value):
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self.value = value
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def __str__(self):
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return "g(" + str(self.value) + ")"
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class MetaGlomp(Glomp):
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def __init__(self, operation_name=None, *arguments):
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self.targets = arguments
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self.operation_name = operation_name
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@property
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def value(self):
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return getattr(v(self.targets[0]), self.operation_name)(*[v(i) for i in self.targets[1:]])
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@value.setter
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def value(self, new_metaglomp):
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self.operation_name = new_metaglomp.operation_name
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self.targets = new_metaglomp.targets
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def __str__(self):
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return str(self.operation_name) + ":[" + ",".join(map(str,self.targets)) + "]"
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if __name__ == "__main__":
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foo, bar, baz = g(1), g(2), g(3)
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print("foo, bar, and baz are set as glomps of 1, 2, and 3.")
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boop = foo + bar*baz
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print("boop is set to foo + bar*baz: %s" % (boop, ))
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print("And we can fetch the value of that computation easily as boop.value: %s" % (boop.value, ))
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print
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print("We can change the value of foo:")
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print(">>> foo.value = 5")
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foo.value = 5
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print("And now, when we fetch the value of boop, it is adjusted accordingly:")
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print(">>> boop.value => %s" % (boop.value,))
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print
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print("There is also a shorthand for evaluating a glomp: v(boop) => %s" % (v(boop), ))
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