1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
# Copyright (c) 2007-2008 Canonical
#
# AUTHOR:
# Michael Vogt <mvo@ubuntu.com>
# With contributions by Siegfried-A. Gevatter <rainct@ubuntu.com>
#
# This file is part of AptUrl
#
# AptUrl is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# AptUrl is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with AptUrl; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sys
import apt
import apt_pkg
import gettext
import aptsources.distro
import Parser
import Helpers
from aptsources.sourceslist import SourcesList, is_mirror
from optparse import OptionParser
from gettext import gettext as _
import os
import os.path
# adding new repositories is currently disabled because some people have
# security concerns about this feature
allow_new_repositories = False
# channels that we know about
channelsdir = "/usr/share/app-install/channels"
# return codes
(RESULT_OK,
RESULT_CANCELT,
RESULT_ERROR,
RESULT_BADARGS) = range(4)
class AptUrlController(object):
def __init__(self, ui):
self.ui = ui
def enableSection(self, apturl):
added = False
# parse sources.list
sourceslist = SourcesList()
distro = aptsources.distro.get_distro()
distro.get_sources(sourceslist)
# check if we actually need to enable anything
requested_components = []
for component in apturl.section:
if not component in distro.enabled_comps:
requested_components.append(component)
# if not, we are fine
if not requested_components:
return RESULT_OK
# otherwise ask the user if the really wants to anble them
if not self.ui.askEnableSections(apturl.section):
return RESULT_CANCELT
if not self.ui.doEnableSection(apturl.section):
self.ui.error(_("Enabling '%s' failed") % ", ".join(apturl.section))
return RESULT_ERROR
self.ui.doUpdate()
self.openCache()
return RESULT_OK
def enableChannel(self, apturl):
# ensure that no funny path tricks can be played
# by e.g. passing "apt:foo?channel=../../"
channel = os.path.basename(apturl.channel)
channelpath = "%s/%s.list" % (channelsdir,channel)
channelkey = "%s/%s.key" % (channelsdir,channel)
channelhtml = "%s/%s.eula" % (channelsdir,channel)
# check
if not os.path.exists(channelpath):
self.ui.error(_("Unknown channel '%s'") % channel,
_("The channel '%s' is not known") % channel)
return RESULT_ERROR
channel_info_html = ""
if os.path.exists(channelhtml):
channel_info_html = open(channelhtml).read()
if not self.ui.askEnableChannel(apturl.channel, channel_info_html):
return RESULT_CANCELT
if not self.ui.doEnableChannel(channelpath, channelkey):
self.ui.error(_("Enabling channel '%s' failed") % apturl.channel)
return RESULT_ERROR
self.ui.doUpdate()
self.openCache()
return RESULT_OK
def openCache(self):
try:
self.cache = apt.Cache()
except SystemError, strerr:
if not '/etc/apt/sources.list' in str(strerr):
raise
self.ui.error(_("Invalid /etc/apt/sources.list file"), strerr)
return False
if self.cache._depcache.BrokenCount > 0:
err_header = _("Software index is broken")
err_body = _("This is a major failure of your software "
"management system. Please check for broken packages "
"with synaptic, check the file permissions and "
"correctness of the file '/etc/apt/sources.list' and "
"reload the software information with: "
"'sudo apt-get update' and 'sudo apt-get install -f'."
)
self.ui.error(err_header, err_body)
return False
return True
def parseArgs(self):
parser = OptionParser()
parser.add_option("-p", "--http-proxy", dest="http_proxy",
default=None, help="use http proxy")
(options, args) = parser.parse_args()
# eval and add proxy
if options.http_proxy is not None:
proxy = options.http_proxy
if not ":" in proxy:
proxy += ":3128"
os.environ["http_proxy"] = "http://%s" % proxy
# parse
try:
apturl_list = Parser.parse(args[0])
except IndexError, e:
self.ui.error(_("Need a url to continue, exiting"))
return []
except Parser.InvalidUrlException, e:
self.ui.error(_("Invalid url: '%s' given, exiting") % sys.argv[1],
"%s" % e)
return []
return (apturl_list)
def verifyInstall(self, apturl):
" verify that the install package actually is installed "
# check if the package got actually installed
self.openCache()
pkg = self.cache[apturl.package]
if (not pkg.isInstalled or
pkg._pkg.CurrentState != apt_pkg.CurStateInstalled or
self.cache._depcache.BrokenCount > 0):
return False
return True
def main(self):
# global return code
ret = RESULT_OK
ui = self.ui
# parse arguments
apturl_list = self.parseArgs()
if not apturl_list:
return RESULT_BADARGS
# open cache
if not self.openCache():
return RESULT_ERROR
# now go over the url list
for apturl in apturl_list:
# FIXME: move this code block into a func like
# evalAptUrl()
if not apturl.schema in ("apt", "apt+http"):
self.ui.error(_("Can not deal with protocol '%s' ") % apturl.schema)
continue
if apturl.section:
if self.enableSection(apturl) != RESULT_OK:
continue
elif apturl.channel:
if self.enableChannel(apturl) != RESULT_OK:
continue
elif apturl.refresh is not None:
ui.doUpdate()
if not self.openCache():
return RESULT_ERROR
# now check the package
if not self.cache.has_key(apturl.package):
try:
package_in_cache = bool(self.cache._cache[apturl.package])
except KeyError:
package_in_cache = False
if package_in_cache:
ui.error(_("Package '%s' is virtual.") % apturl.package)
continue
else:
ui.error(_("Could not find package '%s'.") % apturl.package)
continue
if self.cache[apturl.package].isInstalled and apturl.minver is None:
ui.message(_("Package '%s' is already installed") % apturl.package)
continue
# ask the user
pkg = self.cache[apturl.package]
(sum, desc, homepage) = Helpers.parse_pkg(pkg)
if not ui.askInstallPackage(apturl.package, sum, desc, homepage):
ret = RESULT_CANCELT
continue
# try to install it
try:
self.cache[apturl.package].markInstall()
except SystemError, e:
ui.error(_("Can not install '%s' (%s) ") % (apturl.package, e))
continue
if apturl.minver is not None:
verStr = self.cache[apturl.package].candidateVersion
if apt_pkg.VersionCompare(verStr, apturl.minver) < 1:
ui.error(_("Package '%s' requests minimal version '%s', but "
"only '%s' is available") % (apturl.package,
apturl.minver,
verStr))
continue
# install it
ui.doInstall(apturl)
if not self.verifyInstall(apturl):
ret = RESULT_ERROR
# return values
return ret
|