C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """ Helper for looping over sequences, particular in templates. Often in a loop in a template it's handy to know what's next up, previously up, if this is the first or last item in the sequence, etc. These can be awkward to manage in a normal Python loop, but using the looper you can get a better sense of the context. Use like:: >>> for loop, item in looper(['a', 'b', 'c']): ... print(loop.number, item) ... if not loop.last: ... print('---') 1 a --- 2 b --- 3 c """ import sys from tempita.compat3 import basestring_ __all__ = ['looper'] class looper(object): """ Helper for looping (particularly in templates) Use this like:: for loop, item in looper(seq): if loop.first: ... """ def __init__(self, seq): self.seq = seq def __iter__(self): return looper_iter(self.seq) def __repr__(self): return '<%s for %r>' % ( self.__class__.__name__, self.seq) class looper_iter(object): def __init__(self, seq): self.seq = list(seq) self.pos = 0 def __iter__(self): return self def __next__(self): if self.pos >= len(self.seq): raise StopIteration result = loop_pos(self.seq, self.pos), self.seq[self.pos] self.pos += 1 return result if sys.version < "3": next = __next__ class loop_pos(object): def __init__(self, seq, pos): self.seq = seq self.pos = pos def __repr__(self): return '' % ( self.seq[self.pos], self.pos) def index(self): return self.pos index = property(index) def number(self): return self.pos + 1 number = property(number) def item(self): return self.seq[self.pos] item = property(item) def __next__(self): try: return self.seq[self.pos + 1] except IndexError: return None __next__ = property(__next__) if sys.version < "3": next = __next__ def previous(self): if self.pos == 0: return None return self.seq[self.pos - 1] previous = property(previous) def odd(self): return not self.pos % 2 odd = property(odd) def even(self): return self.pos % 2 even = property(even) def fi