annotate mercurial/statichttprepo.py @ 6379:d2bb66a8a435

hgweb: add compatibility code for old templates Up to changeset 3340aa5a64f7, HTTP headers were expected to be embedded in the "headers" template. Since that changeset, the content-type is supposed to be defined as the "mimetype" template in the map file. This changeset makes sure the old templates still work.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Mon, 24 Mar 2008 13:45:01 -0300
parents 08800489257e
children 01db3e101362 98b6c3dde237
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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 2005-2007 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 i18n import _
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11 import changelog, httprangereader
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12 import repo, localrepo, manifest, util
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13 import urllib, urllib2, errno
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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 num = inst.code == 404 and errno.ENOENT or None
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21 raise IOError(num, inst)
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22 except urllib2.URLError, inst:
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23 raise IOError(None, inst.reason[1])
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24
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25 def opener(base):
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26 """return a function that opens files over http"""
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27 p = base
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28 def o(path, mode="r"):
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29 f = "/".join((p, urllib.quote(path)))
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30 return rangereader(f)
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31 return o
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32
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33 class statichttprepository(localrepo.localrepository):
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34 def __init__(self, ui, path):
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35 self._url = path
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36 self.ui = ui
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37
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38 self.path = path.rstrip('/') + "/.hg"
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39 self.opener = opener(self.path)
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40
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41 # find requirements
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42 try:
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43 requirements = self.opener("requires").read().splitlines()
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44 except IOError, inst:
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45 if inst.errno == errno.ENOENT:
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46 msg = _("'%s' does not appear to be an hg repository") % path
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47 raise repo.RepoError(msg)
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48 else:
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49 requirements = []
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50
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51 # check them
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52 for r in requirements:
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53 if r not in self.supported:
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54 raise repo.RepoError(_("requirement '%s' not supported") % r)
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55
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56 # setup store
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57 if "store" in requirements:
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58 self.encodefn = util.encodefilename
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59 self.decodefn = util.decodefilename
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60 self.spath = self.path + "/store"
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61 else:
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62 self.encodefn = lambda x: x
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63 self.decodefn = lambda x: x
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64 self.spath = self.path
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65 self.sopener = util.encodedopener(opener(self.spath), self.encodefn)
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66
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67 self.manifest = manifest.manifest(self.sopener)
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68 self.changelog = changelog.changelog(self.sopener)
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69 self.tagscache = None
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70 self.nodetagscache = None
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71 self.encodepats = None
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72 self.decodepats = None
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73
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74 def url(self):
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75 return 'static-' + self._url
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76
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77 def local(self):
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78 return False
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80 def instance(ui, path, create):
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81 if create:
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82 raise util.Abort(_('cannot create new static-http repository'))
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83 return statichttprepository(ui, path[7:])