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comparison upmana/mercurial/statichttprepo.py @ 135:dcf4fbe09b70 beta

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Traipse Beta 'OpenRPG' {091010-00} Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user. Update Summary (Beta) Added Bookmarks Fix to Remote Admin Commands Minor fix to text based Server Fix to Pretty Print, from Core Fix to Splitter Nodes not being created Fix to massive amounts of images loading, from Core Added 'boot' command to remote admin Added confirmation window for sent nodes Minor changes to allow for portability to an OpenSUSE linux OS Miniatures Layer pop up box allows users to turn off Mini labels, from FlexiRPG Zoom Mouse plugin added Images added to Plugin UI Switching to Element Tree Map efficiency, from FlexiRPG Added Status Bar to Update Manager default_manifest.xml renamed to default_upmana.xml Cleaner clode for saved repositories New TrueDebug Class in orpg_log (See documentation for usage) Mercurial's hgweb folder is ported to upmana **Pretty important update that can help remove thousands of dead children from your gametree. **Children, <forms />, <group_atts />, <horizontal />, <cols />, <rows />, <height />, etc... are all tags now. Check your gametree and look for dead children!! **New Gamtree Recusion method, mapping, and context sensitivity. !!Alpha - Watch out for infinite loops!!
author sirebral
date Tue, 10 Nov 2009 14:11:28 -0600
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101:394ebb3b6a0f 135:dcf4fbe09b70
1 # statichttprepo.py - simple http repository class for mercurial
2 #
3 # This provides read-only repo access to repositories exported via static http
4 #
5 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
6 #
7 # This software may be used and distributed according to the terms of the
8 # GNU General Public License version 2, incorporated herein by reference.
9
10 from i18n import _
11 import changelog, byterange, url, error
12 import localrepo, manifest, util, store
13 import urllib, urllib2, errno
14
15 class httprangereader(object):
16 def __init__(self, url, opener):
17 # we assume opener has HTTPRangeHandler
18 self.url = url
19 self.pos = 0
20 self.opener = opener
21 def seek(self, pos):
22 self.pos = pos
23 def read(self, bytes=None):
24 req = urllib2.Request(self.url)
25 end = ''
26 if bytes:
27 end = self.pos + bytes - 1
28 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end))
29
30 try:
31 f = self.opener.open(req)
32 data = f.read()
33 if hasattr(f, 'getcode'):
34 # python 2.6+
35 code = f.getcode()
36 elif hasattr(f, 'code'):
37 # undocumented attribute, seems to be set in 2.4 and 2.5
38 code = f.code
39 else:
40 # Don't know how to check, hope for the best.
41 code = 206
42 except urllib2.HTTPError, inst:
43 num = inst.code == 404 and errno.ENOENT or None
44 raise IOError(num, inst)
45 except urllib2.URLError, inst:
46 raise IOError(None, inst.reason[1])
47
48 if code == 200:
49 # HTTPRangeHandler does nothing if remote does not support
50 # Range headers and returns the full entity. Let's slice it.
51 if bytes:
52 data = data[self.pos:self.pos + bytes]
53 else:
54 data = data[self.pos:]
55 elif bytes:
56 data = data[:bytes]
57 self.pos += len(data)
58 return data
59
60 def build_opener(ui, authinfo):
61 # urllib cannot handle URLs with embedded user or passwd
62 urlopener = url.opener(ui, authinfo)
63 urlopener.add_handler(byterange.HTTPRangeHandler())
64
65 def opener(base):
66 """return a function that opens files over http"""
67 p = base
68 def o(path, mode="r"):
69 f = "/".join((p, urllib.quote(path)))
70 return httprangereader(f, urlopener)
71 return o
72
73 return opener
74
75 class statichttprepository(localrepo.localrepository):
76 def __init__(self, ui, path):
77 self._url = path
78 self.ui = ui
79
80 self.path, authinfo = url.getauthinfo(path.rstrip('/') + "/.hg")
81
82 opener = build_opener(ui, authinfo)
83 self.opener = opener(self.path)
84
85 # find requirements
86 try:
87 requirements = self.opener("requires").read().splitlines()
88 except IOError, inst:
89 if inst.errno != errno.ENOENT:
90 raise
91 # check if it is a non-empty old-style repository
92 try:
93 self.opener("00changelog.i").read(1)
94 except IOError, inst:
95 if inst.errno != errno.ENOENT:
96 raise
97 # we do not care about empty old-style repositories here
98 msg = _("'%s' does not appear to be an hg repository") % path
99 raise error.RepoError(msg)
100 requirements = []
101
102 # check them
103 for r in requirements:
104 if r not in self.supported:
105 raise error.RepoError(_("requirement '%s' not supported") % r)
106
107 # setup store
108 def pjoin(a, b):
109 return a + '/' + b
110 self.store = store.store(requirements, self.path, opener, pjoin)
111 self.spath = self.store.path
112 self.sopener = self.store.opener
113 self.sjoin = self.store.join
114
115 self.manifest = manifest.manifest(self.sopener)
116 self.changelog = changelog.changelog(self.sopener)
117 self.tagscache = None
118 self.nodetagscache = None
119 self.encodepats = None
120 self.decodepats = None
121
122 def url(self):
123 return self._url
124
125 def local(self):
126 return False
127
128 def lock(self, wait=True):
129 raise util.Abort(_('cannot lock static-http repository'))
130
131 def instance(ui, path, create):
132 if create:
133 raise util.Abort(_('cannot create new static-http repository'))
134 return statichttprepository(ui, path[7:])