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21 lines
709 B
21 lines
709 B
2 years ago
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# add watermark for text
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def watermark(content, pattern):
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m = list(zip(pattern * (len(content) // len(pattern) + 1), content))
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return ''.join([x for t in m
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for x in t] + [pattern[len(content) % len(pattern)]])
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# remove cyclic watermark in text
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def iwatermark(content):
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e = [x for i, x in enumerate(content) if i % 2 == 0]
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o = [x for i, x in enumerate(content) if i % 2 != 0]
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for i in range(1, len(e) // 2 + 1):
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if e[i:] == e[:-i]:
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return ''.join(o)
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return ''.join(e)
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if __name__ == "__main__":
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print(watermark('跟世龙对齐 Triton 开发计划', 'hbzs'))
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print(iwatermark('h跟b世z龙s对h齐b zTsrhibtzosnh b开z发s计h划b'))
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