mirror of https://github.com/python/cpython
Small speedup.
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@ -70,11 +70,10 @@ def commonprefix(m):
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if not m: return ''
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s1 = min(m)
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s2 = max(m)
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n = min(len(s1), len(s2))
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for i in xrange(n):
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if s1[i] != s2[i]:
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for i, c in enumerate(s1):
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if c != s2[i]:
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return s1[:i]
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return s1[:n]
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return s1
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# Split a path in root and extension.
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# The extension is everything starting at the last dot in the last
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