29 lines
492 B
Python
29 lines
492 B
Python
"""
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Sentence: iterate over words using a generator function
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"""
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# tag::SENTENCE_GEN[]
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import re
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import reprlib
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RE_WORD = re.compile(r'\w+')
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class Sentence:
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def __init__(self, text):
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self.text = text
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self.words = RE_WORD.findall(text)
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def __repr__(self):
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return 'Sentence(%s)' % reprlib.repr(self.text)
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def __iter__(self):
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for word in self.words: # <1>
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yield word # <2>
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return # <3>
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# done! <4>
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# end::SENTENCE_GEN[]
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