ieure/pyutil forked from simplegeo/pyutil

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 # Copyright (c) 2002-2010 Zooko Wilcox-O'Hearn # This file is part of pyutil; see README.rst for licensing terms. def commonprefix(l): cp = [] for i in range(min(map(len, l))): c = l[0][i] for s in l[1:]: if s[i] != c: return ''.join(cp) cp.append(c) return ''.join(cp) def commonsuffix(l): cp = [] for i in range(min(map(len, l))): c = l[0][-i-1] for s in l[1:]: if s[-i-1] != c: cp.reverse() return ''.join(cp) cp.append(c) cp.reverse() return ''.join(cp) def split_on_newlines(s): """ Splits s on all of the three newline sequences: "\r\n", "\r", or "\n". """ res = [] for x in s.split('\r\n'): for y in x.split('\r'): res.extend(y.split('\n')) return res def pop_trailing_newlines(s): """ @return a copy of s minus any trailing "\n"'s or "\r"'s """ i = len(s)-1 if i < 0: return '' while s[i] in ('\n', '\r',): i = i - 1 if i < 0: return '' return s[:i+1]