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
|
import json
import os
import subprocess
import sys
from devbot import config
from devbot import git
from devbot import distro
from devbot import command
from devbot import state
from devbot import utils
from devbot import xvfb
_checkers = {}
def check(remove=False, update=False, test=False, interactive=True,
skip_if_unchanged=False):
if skip_if_unchanged:
if state.system_check_is_unchanged():
return True
package_manager = \
distro.get_package_manager(test=test, interactive=interactive)
distro.print_distro_info()
distro_name = distro.get_distro_info().name
packages = config.load_packages()
checks = config.load_prerequisites()
if not _run_checks(package_manager, checks, packages):
return False
xvfb_proc, orig_display = xvfb.start()
if not _run_checks(package_manager, config.load_checks(), packages):
return False
xvfb.stop(xvfb_proc, orig_display)
print "All the required dependencies are installed."
if update:
package_manager.update()
if remove:
_remove_packages(package_manager, packages)
state.system_check_touch()
return True
def _check_binary(check):
return subprocess.call(["which", check],
stdout=utils.devnull,
stderr=subprocess.STDOUT)
_checkers["binary"] = _check_binary
def _check_pkgconfig(check):
return subprocess.call(["pkg-config", "--exists", check]) == 1
_checkers["pkgconfig"] = _check_pkgconfig
def _check_python(check):
return subprocess.call(["python", "-c", check],
stdout=utils.devnull,
stderr=subprocess.STDOUT) == 1
_checkers["python"] = _check_python
def _check_gtkmodule(check):
# Not sure we can do better than this, the gtkmodule stuff is private
missing = True
for libdir in config.system_lib_dirs:
if os.path.exists("%s/gtk-2.0/modules/lib%s.so" % (libdir, check)):
missing = False
return missing
_checkers["gtkmodule"] = _check_gtkmodule
def _check_include(check):
return not os.path.exists(os.path.join("/usr/include/", check))
_checkers["include"] = _check_include
def _check_dbus(check):
return not os.path.exists("/usr/share/dbus-1/services/%s.service" % check)
_checkers["dbus"] = _check_dbus
def _check_metacity_theme(check):
theme = "/usr/share/themes/%s/metacity-1/metacity-theme-3.xml"
return not os.path.exists(theme % check)
_checkers["metacity-theme"] = _check_metacity_theme
def _check_gstreamer(check, version):
missing = True
for libdir in config.system_lib_dirs:
if os.path.exists("%s/gstreamer-%s/libgst%s.so" %
(libdir, version, check)):
missing = False
return missing
def _check_gstreamer_0_10(check):
return _check_gstreamer(check, "0.10")
_checkers["gstreamer-0.10"] = _check_gstreamer_0_10
def _check_gstreamer_1_0(check):
return _check_gstreamer(check, "1.0")
_checkers["gstreamer-1.0"] = _check_gstreamer_1_0
def _print_checks(checks):
for check in checks:
print "[%s] %s" % (check["checker"], check["check"])
def _eval_check_if(check):
if "check_if" not in check:
return True
distro_info = distro.get_distro_info()
globals = {"distro": "%s-%s" % (distro_info.name, distro_info.version)}
print eval(check["check_if"], globals)
return eval(check["check_if"], globals) == "True"
def _run_checks(package_manager, checks, packages):
distro_info = distro.get_distro_info()
failed_checks = []
packages_not_found = []
to_install = []
for check in checks:
if not _eval_check_if(check):
continue
checker = _checkers[check["checker"]]
if checker(check["check"]):
try:
packages_for_check = packages[check["name"]][distro_info.name]
except KeyError:
packages_for_check = []
packages_not_found.append(check)
for package in packages_for_check:
if package not in to_install:
to_install.append(package)
failed_checks.append(check)
if distro_info.supported:
if packages_not_found:
print "\nPackages not found for"
_print_checks(packages_not_found)
return False
if to_install:
package_manager.install_packages(to_install)
elif failed_checks:
print "Failed checks\n"
_print_checks(failed_checks)
if to_install:
print "\nYou might try to install the following packages\n"
print " ".join(to_install)
return False
return True
def _remove_packages(package_manager, packages):
distro_name = distro.get_distro_info().name
to_keep = []
for package_info in packages.values():
if distro_name in package_info:
for package in package_info[distro_name]:
if package not in to_keep:
to_keep.append(package)
try:
to_keep = package_manager.find_with_deps(to_keep)
except NotImplementedError:
return
all = package_manager.find_all()
to_remove = []
for package in all:
if package not in to_keep:
to_remove.append(package)
if to_remove:
package_manager.remove_packages(to_remove)
|