mercurial/fancyopts.py
author Vadim Gelfer <vadim.gelfer@gmail.com>
Fri, 14 Jul 2006 11:17:22 -0700
changeset 2612 ffb895f16925
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child 3673 eb0b4a2d70a9
permissions -rw-r--r--
add support for streaming clone. existing clone code uses pull to get changes from remote repo. is very slow, uses lots of memory and cpu. new clone code has server write file data straight to client, client writes file data straight to disk. memory and cpu used are very low, clone is much faster over lan. new client can still clone with pull, can still clone from older servers. new server can still serve older clients.
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import getopt
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def fancyopts(args, options, state):
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    long = []
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    short = ''
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    map = {}
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    dt = {}
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    for s, l, d, c in options:
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        pl = l.replace('-', '_')
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        map['-'+s] = map['--'+l] = pl
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        state[pl] = d
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        dt[pl] = type(d)
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        if not d is None and not callable(d):
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            if s: s += ':'
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            if l: l += '='
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        if s: short = short + s
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        if l: long.append(l)
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    opts, args = getopt.getopt(args, short, long)
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    for opt, arg in opts:
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        if dt[map[opt]] is type(fancyopts): state[map[opt]](state,map[opt],arg)
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        elif dt[map[opt]] is type(1): state[map[opt]] = int(arg)
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        elif dt[map[opt]] is type(''): state[map[opt]] = arg
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        elif dt[map[opt]] is type([]): state[map[opt]].append(arg)
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        elif dt[map[opt]] is type(None): state[map[opt]] = 1
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    return args
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