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
|
# Copyright (C) 2010 Canonical
#
# Authors:
# Michael Vogt
#
# This program 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; version 3.
#
# This program 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
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
from gi.repository import GObject
class _Version:
@property
def description(self):
pass
@property
def downloadable(self):
pass
@property
def summary(self):
pass
@property
def size(self):
return self.pkginfo.get_size(self.name)
@property
def installed_size(self):
return 0
@property
def version(self):
pass
@property
def origins(self):
return []
class _Package:
def __init__(self, name, pkginfo):
self.name = name
self.pkginfo = pkginfo
@property
def installed(self):
""" returns a _Version object """
if not self.pkginfo.is_installed(self.name):
return None
return self.pkginfo.get_installed(self.name)
@property
def candidate(self):
""" returns a _Version object """
return self.pkginfo.get_candidate(self.name)
@property
def versions(self):
""" a list of available versions (as _Version) to install """
return self.pkginfo.get_versions(self.name)
@property
def is_installed(self):
return self.pkginfo.is_installed(self.name)
@property
def section(self):
return self.pkginfo.get_section(self.name)
@property
def website(self):
return self.pkginfo.get_website(self.name)
@property
def installed_files(self):
return self.pkginfo.get_installed_files(self.name)
class PackageInfo(GObject.GObject):
""" abstract interface for the packageinfo information """
__gsignals__ = {'cache-ready': (GObject.SIGNAL_RUN_FIRST,
GObject.TYPE_NONE,
()),
'cache-invalid':(GObject.SIGNAL_RUN_FIRST,
GObject.TYPE_NONE,
()),
'cache-broken':(GObject.SIGNAL_RUN_FIRST,
GObject.TYPE_NONE,
()),
}
def __getitem__(self, k):
return _Package(k, self)
def __contains__(self, pkgname):
return False
@staticmethod
def version_compare(v1, v2):
""" compare two versions """
return cmp(v1, v2)
@staticmethod
def upstream_version_compare(v1, v2):
""" compare two versions, but ignore the distro specific revisions """
return cmp(v1, v2)
@staticmethod
def upstream_version(v):
""" Return the "upstream" version number of the given version """
return v
def is_installed(self, pkgname):
pass
def is_available(self, pkgname):
pass
def get_installed(self, pkgname):
pass
def get_candidate(self, pkgname):
pass
def get_versions(self, pkgname):
return []
def get_section(self, pkgname):
pass
def get_summary(self, pkgname):
pass
def get_description(self, pkgname):
pass
def get_website(self, pkgname):
pass
def get_installed_files(self, pkgname):
return []
def get_size(self, pkgname):
return -1
def get_installed_size(self, pkgname):
return -1
def get_origins(self, pkgname):
return []
def get_addons(self, pkgname, ignore_installed):
return ([], [])
def get_packages_removed_on_remove(self, pkg):
""" Returns a package names list of reverse dependencies
which will be removed if the package is removed."""
return []
def get_packages_removed_on_install(self, pkg):
""" Returns a package names list of dependencies
which will be removed if the package is installed."""
return []
def get_total_size_on_install(self, pkgname, addons_install=None,
addons_remove=None):
""" Returns a tuple (download_size, installed_size)
with disk size in KB calculated for pkgname installation
plus addons change.
"""
return (0, 0)
def open(self):
"""
(re)open the cache, this sends cache-invalid, cache-ready signals
"""
pass
@property
def ready(self):
pass
# singleton
pkginfo = None
def get_pkg_info():
global pkginfo
if pkginfo is None:
from softwarecenter.db.pkginfo_impl.aptcache import AptCache
pkginfo = AptCache()
return pkginfo
|