Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/statichttprepo.py @ 3861:db36a4f490f6

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Indicate the purpose of the dummy changelog file in itself. Otherwise people getting an error message with an old installation might wonder why this file is corrupted.
author Thomas Arendsen Hein <thomas@intevation.de>
date Sun, 10 Dec 2006 23:03:53 +0100
parents 8c24b6fd5866
children abaee83ce0a6
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1 # statichttprepo.py - simple http repository class for mercurial
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2 #
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3 # This provides read-only repo access to repositories exported via static http
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4 #
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5 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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6 #
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7 # This software may be used and distributed according to the terms
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8 # of the GNU General Public License, incorporated herein by reference.
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9
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10 from demandload import *
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11 from i18n import gettext as _
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12 demandload(globals(), "changelog filelog httprangereader")
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13 demandload(globals(), "repo localrepo manifest os urllib urllib2 util")
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14
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15 class rangereader(httprangereader.httprangereader):
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16 def read(self, size=None):
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17 try:
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18 return httprangereader.httprangereader.read(self, size)
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19 except urllib2.HTTPError, inst:
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20 raise IOError(None, inst)
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21 except urllib2.URLError, inst:
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22 raise IOError(None, inst.reason[1])
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23
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24 def opener(base):
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25 """return a function that opens files over http"""
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26 p = base
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27 def o(path, mode="r"):
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28 f = "/".join((p, urllib.quote(path)))
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29 return rangereader(f)
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30 return o
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31
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32 class statichttprepository(localrepo.localrepository):
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33 def __init__(self, ui, path):
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34 self._url = path
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35 self.ui = ui
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36 self.revlogversion = 0
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37
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38 self.path = (path + "/.hg")
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39 self.opener = opener(self.path)
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40 # find requirements
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41 try:
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42 requirements = self.opener("requires").read().splitlines()
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43 except IOError:
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44 requirements = []
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45 # check them
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46 for r in requirements:
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47 if r not in self.supported:
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48 raise repo.RepoError(_("requirement '%s' not supported") % r)
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49
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50 # setup store
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51 if "store" in requirements:
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52 self.encodefn = util.encodefilename
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53 self.decodefn = util.decodefilename
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54 self.spath = self.path + "/store"
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55 else:
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56 self.encodefn = lambda x: x
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57 self.decodefn = lambda x: x
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58 self.spath = self.path
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59 self.sopener = util.encodedopener(opener(self.spath), self.encodefn)
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60
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61 self.manifest = manifest.manifest(self.sopener)
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62 self.changelog = changelog.changelog(self.sopener)
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63 self.tagscache = None
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64 self.nodetagscache = None
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65 self.encodepats = None
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66 self.decodepats = None
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67
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68 def url(self):
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69 return 'static-' + self._url
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70
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71 def dev(self):
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72 return -1
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73
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74 def local(self):
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75 return False
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77 def instance(ui, path, create):
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78 if create:
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79 raise util.Abort(_('cannot create new static-http repository'))
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80 if path.startswith('old-http:'):
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81 ui.warn(_("old-http:// syntax is deprecated, "
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82 "please use static-http:// instead\n"))
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83 path = path[4:]
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84 else:
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85 path = path[7:]
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86 return statichttprepository(ui, path)