Mercurial > hg
annotate mercurial/store.py @ 6839:01db3e101362
move filename encoding functions from util.py to new store.py
author | Adrian Buehlmann <adrian@cadifra.com> |
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date | Thu, 24 Jul 2008 16:32:51 +0200 |
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children | 80e51429cb9a |
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6839
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move filename encoding functions from util.py to new store.py
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1 # store.py - repository store handling for Mercurial |
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2 # |
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3 # Copyright 2008 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 |
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8 def _buildencodefun(): |
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9 e = '_' |
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10 win_reserved = [ord(x) for x in '\\:*?"<>|'] |
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11 cmap = dict([ (chr(x), chr(x)) for x in xrange(127) ]) |
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12 for x in (range(32) + range(126, 256) + win_reserved): |
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13 cmap[chr(x)] = "~%02x" % x |
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14 for x in range(ord("A"), ord("Z")+1) + [ord(e)]: |
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15 cmap[chr(x)] = e + chr(x).lower() |
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16 dmap = {} |
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17 for k, v in cmap.iteritems(): |
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18 dmap[v] = k |
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19 def decode(s): |
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20 i = 0 |
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21 while i < len(s): |
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22 for l in xrange(1, 4): |
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23 try: |
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24 yield dmap[s[i:i+l]] |
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25 i += l |
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26 break |
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27 except KeyError: |
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28 pass |
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29 else: |
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30 raise KeyError |
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31 return (lambda s: "".join([cmap[c] for c in s]), |
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32 lambda s: "".join(list(decode(s)))) |
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33 |
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34 encodefilename, decodefilename = _buildencodefun() |
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35 |
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36 def encodedopener(openerfn, fn): |
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37 def o(path, *args, **kw): |
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38 return openerfn(fn(path), *args, **kw) |
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39 return o |