~nacc/ubuntu-dev-tools/update-vcs

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
#!/usr/bin/python
#
# Copyright (C) 2011, Stefano Rivera <stefanor@ubuntu.com>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

import optparse
import sys

from distro_info import DistroDataOutdated

from ubuntutools.logger import Logger
from ubuntutools.misc import (system_distribution, vendor_to_distroinfo,
                              codename_to_distribution)
from ubuntutools.rdepends import query_rdepends, RDependsException


def main():
    system_distro_info = vendor_to_distroinfo(system_distribution())()
    try:
        default_release = system_distro_info.devel()
    except DistroDataOutdated, e:
        Logger.warn(e)
        default_release = 'unstable'

    parser = optparse.OptionParser('%prog [options] package',
        description="List reverse-dependencies of package. "
                    "If the package name is prefixed with src: then the "
                    "reverse-dependencies of all the binary packages that "
                    "the specified source package builds will be listed.")
    parser.add_option('-r', '--release', metavar='RELEASE',
                      default=default_release,
                      help='Query dependencies in RELEASE. '
                      'Default: %s' % default_release)
    parser.add_option('-R', '--without-recommends',
                      action='store_false', dest='recommends', default=True,
                      help='Only consider Depends relationships, '
                           'not Recommends')
    parser.add_option('-s', '--with-suggests',
                      action='store_true', dest='suggests', default=False,
                      help='Also consider Suggests relationships')
    parser.add_option('-b', '--build-depends',
                      action='store_const', dest='arch', const='source',
                      help='Query build dependencies (synonym for '
                            '--arch=source)')
    parser.add_option('-a', '--arch', metavar='ARCH', default='any',
                      help='Query dependencies in ARCH. '
                           'Default: any')
    parser.add_option('-c', '--component', metavar='COMPONENT',
                      action='append',
                      help='Only consider reverse-dependencies in COMPONENT. '
                           'Can be specified multiple times. Default: all')
    parser.add_option('-l', '--list',
                      action='store_true', default=False,
                      help='Display a simple, machine-readable list')
    parser.add_option('-u', '--service-url', metavar='URL',
                      dest='server', default=None,
                      help='Reverse Dependencies webservice URL. '
                           'Default: UbuntuWire')

    options, args = parser.parse_args()

    if len(args) != 1:
        parser.error("One (and only one) package must be specified")
    package = args[0]

    opts = {}
    if options.server is not None:
        opts['server'] = options.server

    # Convert unstable/testing aliases to codenames:
    distribution = codename_to_distribution(options.release)
    if not distribution:
        parser.error('Unknown release codename %s' % options.release)
    distro_info = vendor_to_distroinfo(distribution)()
    try:
        options.release = distro_info.codename(options.release,
                                               default=options.release)
    except DistroDataOutdated:
        # We already printed a warning
        pass

    try:
        data = query_rdepends(package, options.release, options.arch, **opts)
    except RDependsException, e:
        Logger.error(str(e))
        sys.exit(1)

    if options.arch == 'source':
        fields = ['Reverse-Build-Depends', 'Reverse-Build-Depends-Indep']
    else:
        fields = ['Reverse-Depends']
        if options.recommends:
            fields.append('Reverse-Recommends')
        if options.suggests:
            fields.append('Reverse-Suggests')

    for field in data.keys():
        if field not in fields:
            del data[field]

    if options.component:
        for field, rdeps in data.items():
            filtered = [rdep for rdep in rdeps
                        if rdep['Component'] in options.component]
            if not filtered:
                del data[field]
            else:
                data[field] = filtered

    if options.list:
        display_consise(data)
    else:
        display_verbose(data)


def display_verbose(data):
    if not data:
        print "No reverse dependencies found"
        return

    all_archs = set()
    # This isn't accurate, but we make up for it by displaying what we found
    for rdeps in data.itervalues():
        for rdep in rdeps:
            if 'Architectures' in rdep:
                all_archs.update(rdep['Architectures'])

    for field, rdeps in data.iteritems():
        print field
        print '=' * len(field)
        rdeps.sort(key=lambda x: x['Package'])
        for rdep in rdeps:
            line = '* %s' % rdep['Package']
            if all_archs and set(rdep['Architectures']) != all_archs:
                line += ' [%s]' % ' '.join(sorted(rdep['Architectures']))
            if 'Dependency' in rdep:
                if len(line) < 30:
                    line += ' ' * (30 - len(line))
                line += '  (for %s)' % rdep['Dependency']
            print line
        print

    if all_archs:
        print ("Packages without architectures listed are "
               "reverse-dependencies in: %s"
               % ', '.join(sorted(list(all_archs))))


def display_consise(data):
    result = set()
    for rdeps in data.itervalues():
        for rdep in rdeps:
            result.add(rdep['Package'])

    print u'\n'.join(sorted(list(result)))


if __name__ == '__main__':
    main()