Mercurial > hg
annotate mercurial/statichttprepo.py @ 41038:3913223417ea
manifest: accept narrowmatch into constructor instead of getting from repo
The manifest should ideally not know at all about the repo, so this is
just a little step towards cleaning that up.
Differential Revision: https://phab.mercurial-scm.org/D5469
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Mon, 03 Dec 2018 22:22:23 -0800 |
parents | e4e881572382 |
children | 2bf689b13a17 |
rev | line source |
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1101 | 1 # statichttprepo.py - simple http repository class for mercurial |
2 # | |
3 # This provides read-only repo access to repositories exported via static http | |
4 # | |
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5 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
1101 | 6 # |
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7 # This software may be used and distributed according to the terms of the |
10263 | 8 # GNU General Public License version 2 or any later version. |
1101 | 9 |
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10 from __future__ import absolute_import |
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11 |
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12 import errno |
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13 |
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14 from .i18n import _ |
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15 from . import ( |
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16 changelog, |
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17 error, |
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18 localrepo, |
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19 manifest, |
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20 namespaces, |
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21 pathutil, |
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22 url, |
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23 util, |
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24 vfs as vfsmod, |
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25 ) |
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26 |
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27 urlerr = util.urlerr |
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28 urlreq = util.urlreq |
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29 |
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30 class httprangereader(object): |
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31 def __init__(self, url, opener): |
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32 # we assume opener has HTTPRangeHandler |
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33 self.url = url |
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34 self.pos = 0 |
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35 self.opener = opener |
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36 self.name = url |
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37 |
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38 def __enter__(self): |
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39 return self |
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40 |
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41 def __exit__(self, exc_type, exc_value, traceback): |
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42 self.close() |
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43 |
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44 def seek(self, pos): |
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45 self.pos = pos |
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46 def read(self, bytes=None): |
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47 req = urlreq.request(self.url) |
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48 end = '' |
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49 if bytes: |
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50 end = self.pos + bytes - 1 |
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51 if self.pos or end: |
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52 req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) |
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53 |
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54 try: |
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55 f = self.opener.open(req) |
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56 data = f.read() |
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57 code = f.code |
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58 except urlerr.httperror as inst: |
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59 num = inst.code == 404 and errno.ENOENT or None |
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60 raise IOError(num, inst) |
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61 except urlerr.urlerror as inst: |
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62 raise IOError(None, inst.reason[1]) |
1101 | 63 |
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64 if code == 200: |
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65 # HTTPRangeHandler does nothing if remote does not support |
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66 # Range headers and returns the full entity. Let's slice it. |
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67 if bytes: |
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68 data = data[self.pos:self.pos + bytes] |
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69 else: |
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70 data = data[self.pos:] |
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71 elif bytes: |
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72 data = data[:bytes] |
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73 self.pos += len(data) |
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74 return data |
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75 def readlines(self): |
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76 return self.read().splitlines(True) |
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77 def __iter__(self): |
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78 return iter(self.readlines()) |
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79 def close(self): |
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80 pass |
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81 |
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82 # _RangeError and _HTTPRangeHandler were originally in byterange.py, |
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83 # which was itself extracted from urlgrabber. See the last version of |
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84 # byterange.py from history if you need more information. |
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85 class _RangeError(IOError): |
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86 """Error raised when an unsatisfiable range is requested.""" |
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87 |
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88 class _HTTPRangeHandler(urlreq.basehandler): |
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89 """Handler that enables HTTP Range headers. |
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90 |
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91 This was extremely simple. The Range header is a HTTP feature to |
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92 begin with so all this class does is tell urllib2 that the |
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93 "206 Partial Content" response from the HTTP server is what we |
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94 expected. |
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95 """ |
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96 |
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97 def http_error_206(self, req, fp, code, msg, hdrs): |
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98 # 206 Partial Content Response |
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99 r = urlreq.addinfourl(fp, hdrs, req.get_full_url()) |
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100 r.code = code |
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101 r.msg = msg |
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102 return r |
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103 |
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104 def http_error_416(self, req, fp, code, msg, hdrs): |
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105 # HTTP's Range Not Satisfiable error |
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106 raise _RangeError('Requested Range Not Satisfiable') |
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107 |
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108 def build_opener(ui, authinfo): |
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109 # urllib cannot handle URLs with embedded user or passwd |
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110 urlopener = url.opener(ui, authinfo) |
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111 urlopener.add_handler(_HTTPRangeHandler()) |
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112 |
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113 class statichttpvfs(vfsmod.abstractvfs): |
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114 def __init__(self, base): |
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115 self.base = base |
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116 |
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Mads Kiilerich <madski@unity3d.com>
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117 def __call__(self, path, mode='r', *args, **kw): |
13533
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statichttprepo: abort if opener mode is 'r+' or 'rb+'
Adrian Buehlmann <adrian@cadifra.com>
parents:
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118 if mode not in ('r', 'rb'): |
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Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
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119 raise IOError('Permission denied') |
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pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
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120 f = "/".join((self.base, urlreq.quote(path))) |
7274
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121 return httprangereader(f, urlopener) |
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122 |
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123 def join(self, path): |
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124 if path: |
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statichttprepo: do not use platform path separator to build a URL
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125 return pathutil.join(self.base, path) |
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126 else: |
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127 return self.base |
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128 |
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129 return statichttpvfs |
1101 | 130 |
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131 class statichttppeer(localrepo.localpeer): |
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132 def local(self): |
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133 return None |
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Sune Foldager <cryo@cyanite.org>
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134 def canpush(self): |
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135 return False |
17192
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136 |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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137 class statichttprepository(localrepo.localrepository, |
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138 localrepo.revlogfilestorage): |
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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139 supported = localrepo.localrepository._basesupported |
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140 |
1101 | 141 def __init__(self, ui, path): |
2673
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parents:
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142 self._url = path |
1101 | 143 self.ui = ui |
3853
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switch to the .hg/store layout, fix the tests
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parents:
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144 |
11066
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parents:
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145 self.root = path |
14076
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url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
parents:
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146 u = util.url(path.rstrip('/') + "/.hg") |
13819
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httprepo/sshrepo: use url.url
Brodie Rao <brodie@bitheap.org>
parents:
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147 self.path, authinfo = u.authinfo() |
7274
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148 |
31147
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statichttp: use 'repo.vfs' as the main attribute
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parents:
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149 vfsclass = build_opener(ui, authinfo) |
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parents:
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diff
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150 self.vfs = vfsclass(self.path) |
33533
4133c0b0fcd7
cachevfs: add a vfs dedicated to cache
Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
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151 self.cachevfs = vfsclass(self.vfs.join('cache')) |
15922
23921c17299a
phases: mechanism to allow extension to alter initial computation of phase
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
14962
diff
changeset
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152 self._phasedefaults = [] |
6028
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make static-http work with empty repos (issue965)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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diff
changeset
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153 |
23561
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namespaces: remove weakref; always pass in repo
Ryan McElroy <rmcelroy@fb.com>
parents:
23558
diff
changeset
|
154 self.names = namespaces.namespaces() |
32730
b8ff7d0ff361
localrepo: move filtername to __init__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31241
diff
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155 self.filtername = None |
23558
3198aac7a95d
namespaces: add bookmarks to the names data structure
Sean Farley <sean.michael.farley@gmail.com>
parents:
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diff
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156 |
3851
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parents:
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diff
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157 try: |
39694
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parents:
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158 requirements = set(self.vfs.read(b'requires').splitlines()) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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|
159 except IOError as inst: |
7178
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Fix Debian bug #494889 (fetching from static-http://... broken)
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parents:
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|
160 if inst.errno != errno.ENOENT: |
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parents:
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161 raise |
14482
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introduce new function scmutil.readrequires
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
162 requirements = set() |
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parents:
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163 |
7178
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parents:
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diff
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164 # check if it is a non-empty old-style repository |
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165 try: |
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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diff
changeset
|
166 fp = self.vfs("00changelog.i") |
13400
14f3795a5ed7
explicitly close files
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parents:
13253
diff
changeset
|
167 fp.read(1) |
14f3795a5ed7
explicitly close files
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parents:
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diff
changeset
|
168 fp.close() |
25660
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global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
169 except IOError as inst: |
7178
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Fix Debian bug #494889 (fetching from static-http://... broken)
Thomas Arendsen Hein <thomas@intevation.de>
parents:
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diff
changeset
|
170 if inst.errno != errno.ENOENT: |
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parents:
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171 raise |
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parents:
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changeset
|
172 # we do not care about empty old-style repositories here |
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make static-http work with empty repos (issue965)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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changeset
|
173 msg = _("'%s' does not appear to be an hg repository") % path |
7637 | 174 raise error.RepoError(msg) |
3851
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|
175 |
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176 supportedrequirements = localrepo.gathersupportedrequirements(ui) |
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|
177 localrepo.ensurerequirementsrecognized(requirements, |
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178 supportedrequirements) |
39695
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localrepo: move requirements reasonability testing to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
179 localrepo.ensurerequirementscompatible(ui, requirements) |
39694
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180 |
3851
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parents:
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|
181 # setup store |
39698
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localrepo: move store() from store module
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
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182 self.store = localrepo.makestore(requirements, self.path, vfsclass) |
6897
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statichttp: use store class
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
183 self.spath = self.store.path |
23878
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localrepo: remove all external users of localrepo.sopener
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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diff
changeset
|
184 self.svfs = self.store.opener |
6897
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statichttp: use store class
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
185 self.sjoin = self.store.join |
16115
236bb604dc39
scmutil: update cached copy when filecached attribute is assigned (issue3263)
Idan Kamara <idankk86@gmail.com>
parents:
15922
diff
changeset
|
186 self._filecache = {} |
17192
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Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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changeset
|
187 self.requirements = requirements |
3851
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parents:
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changeset
|
188 |
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5ccd791344f3
localrepo: pass root manifest into manifestlog.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
189 rootmanifest = manifest.manifestrevlog(self.svfs) |
41038
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manifest: accept narrowmatch into constructor instead of getting from repo
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
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190 self.manifestlog = manifest.manifestlog(self.svfs, self, rootmanifest, |
3913223417ea
manifest: accept narrowmatch into constructor instead of getting from repo
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
191 self.narrowmatch()) |
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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diff
changeset
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192 self.changelog = changelog.changelog(self.svfs) |
9146
5614a628d173
localrepo: rename in-memory tag cache instance attributes (issue548).
Greg Ward <greg-hg@gerg.ca>
parents:
8612
diff
changeset
|
193 self._tags = None |
1101 | 194 self.nodetagscache = None |
18189
b9026ba002f6
branchmap: enable caching for filtered version too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18125
diff
changeset
|
195 self._branchcaches = {} |
24373
59cc09240afb
revbranchcache: move out of branchmap onto localrepo
Durham Goode <durham@fb.com>
parents:
23878
diff
changeset
|
196 self._revbranchcache = None |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1325
diff
changeset
|
197 self.encodepats = None |
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parents:
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changeset
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198 self.decodepats = None |
24377
656f93ce66d5
revbranchcache: move cache writing to the transaction finalizer
Durham Goode <durham@fb.com>
parents:
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diff
changeset
|
199 self._transref = None |
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200 |
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changeset
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201 def _restrictcapabilities(self, caps): |
20962
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statichttp: respect localrepo _restrictcapabilities
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20055
diff
changeset
|
202 caps = super(statichttprepository, self)._restrictcapabilities(caps) |
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changeset
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203 return caps.difference(["pushkey"]) |
1101 | 204 |
2673
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hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2072
diff
changeset
|
205 def url(self): |
7211 | 206 return self._url |
2673
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parents:
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changeset
|
207 |
1101 | 208 def local(self): |
209 return False | |
2740
386f04d6ecb3
clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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210 |
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parents:
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changeset
|
211 def peer(self): |
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changeset
|
212 return statichttppeer(self) |
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|
213 |
33604
8b00c723cee1
statichttprepo: implement wlock() (issue5613)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33533
diff
changeset
|
214 def wlock(self, wait=True): |
36657
214f61abd865
py3: back out c77c925987d7 to store bytes filename in IOError
Yuya Nishihara <yuya@tcha.org>
parents:
36640
diff
changeset
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215 raise error.LockUnavailable(0, _('lock not available'), 'lock', |
33604
8b00c723cee1
statichttprepo: implement wlock() (issue5613)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33533
diff
changeset
|
216 _('cannot lock static-http repository')) |
8b00c723cee1
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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changeset
|
217 |
7005
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do not pretend to lock static-http repositories (issue994)
Martin Geisler <mg@daimi.au.dk>
parents:
6988
diff
changeset
|
218 def lock(self, wait=True): |
26587
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error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25978
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changeset
|
219 raise error.Abort(_('cannot lock static-http repository')) |
7005
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do not pretend to lock static-http repositories (issue994)
Martin Geisler <mg@daimi.au.dk>
parents:
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changeset
|
220 |
29738
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statichttprepo: do not try to write caches
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
28883
diff
changeset
|
221 def _writecaches(self): |
c1696430254f
statichttprepo: do not try to write caches
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parents:
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changeset
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222 pass # statichttprepository are read only |
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parents:
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223 |
39549
089fc0db0954
hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37717
diff
changeset
|
224 def instance(ui, path, create, intents=None, createopts=None): |
2740
386f04d6ecb3
clean up hg.py: move repo constructor code into each repo module
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2673
diff
changeset
|
225 if create: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25978
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changeset
|
226 raise error.Abort(_('cannot create new static-http repository')) |
4853
bf10a03a6b24
Removed deprecated hg:// and old-http:// protocols (issue406)
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
227 return statichttprepository(ui, path[7:]) |