41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
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#!/usr/bin/env python
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# encoding: utf-8
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class Explicable(object):
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""" An Explicable object is an object which can be explicable!
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It's a parent class of a more classical Expression, Fraction and Polynom (and later square root)
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Child class will have the following method
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* explain: Generator which return steps which leed to himself
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"""
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def __init__(self, *args, **kwargs):
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self.steps = []
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def explain(self):
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""" Generate and render steps which leed to itself """
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old_s = ''
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# les étapes pour l'atteindre
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try:
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for s in self.steps:
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new_s = self.STR_RENDER(s)
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if new_s != old_s:
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old_s = new_s
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yield new_s
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except AttributeError:
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pass
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# Lui même
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new_s = self.STR_RENDER(self.postfix_tokens)
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if new_s != old_s:
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yield new_s
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# -----------------------------
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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