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
|
# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from __future__ import print_function
__all__ = ["SETPREFIX", "get_boolean", "SetConfigError",
"SetConfig", "load_default_config"]
try:
from configparser import SafeConfigParser, NoOptionError
except ImportError:
from ConfigParser import SafeConfigParser, NoOptionError
from portage import os
from portage import load_mod
from portage.const import USER_CONFIG_PATH, GLOBAL_CONFIG_PATH
from portage.exception import PackageSetNotFound
from portage.localization import _
SETPREFIX = "@"
def get_boolean(options, name, default):
if not name in options:
return default
elif options[name].lower() in ("1", "yes", "on", "true"):
return True
elif options[name].lower() in ("0", "no", "off", "false"):
return False
else:
raise SetConfigError(_("invalid value '%(value)s' for option '%(option)s'") % {"value": options[name], "option": name})
class SetConfigError(Exception):
pass
class SetConfig(object):
def __init__(self, paths, settings, trees):
self._parser = SafeConfigParser(
defaults={
"PORTAGE_CONFIGROOT" : settings["PORTAGE_CONFIGROOT"],
"ROOT" : settings["ROOT"],
})
self._parser.read(paths)
self.errors = []
self.psets = {}
self.trees = trees
self.settings = settings
self._parsed = False
self.active = []
def update(self, setname, options):
parser = self._parser
self.errors = []
if not setname in self.psets:
options["name"] = setname
options["world-candidate"] = "False"
# for the unlikely case that there is already a section with the requested setname
import random
while setname in parser.sections():
setname = "%08d" % random.randint(0, 10**10)
parser.add_section(setname)
for k, v in options.items():
parser.set(setname, k, v)
else:
section = self.psets[setname].creator
if parser.has_option(section, "multiset") and \
parser.getboolean(section, "multiset"):
self.errors.append(_("Invalid request to reconfigure set '%(set)s' generated "
"by multiset section '%(section)s'") % {"set": setname, "section": section})
return
for k, v in options.items():
parser.set(section, k, v)
self._parse(update=True)
def _parse(self, update=False):
if self._parsed and not update:
return
parser = self._parser
for sname in parser.sections():
# find classname for current section, default to file based sets
if not parser.has_option(sname, "class"):
classname = "portage.sets.files.StaticFileSet"
else:
classname = parser.get(sname, "class")
# try to import the specified class
try:
setclass = load_mod(classname)
except (ImportError, AttributeError):
try:
setclass = load_mod("portage.sets."+classname)
except (ImportError, AttributeError):
self.errors.append(_("Could not import '%(class)s' for section "
"'%(section)s'") % {"class": classname, "section": sname})
continue
# prepare option dict for the current section
optdict = {}
for oname in parser.options(sname):
optdict[oname] = parser.get(sname, oname)
# create single or multiple instances of the given class depending on configuration
if parser.has_option(sname, "multiset") and \
parser.getboolean(sname, "multiset"):
if hasattr(setclass, "multiBuilder"):
newsets = {}
try:
newsets = setclass.multiBuilder(optdict, self.settings, self.trees)
except SetConfigError as e:
self.errors.append(_("Configuration error in section '%s': %s") % (sname, str(e)))
continue
for x in newsets:
if x in self.psets and not update:
self.errors.append(_("Redefinition of set '%s' (sections: '%s', '%s')") % (x, self.psets[x].creator, sname))
newsets[x].creator = sname
if parser.has_option(sname, "world-candidate") and \
parser.getboolean(sname, "world-candidate"):
newsets[x].world_candidate = True
self.psets.update(newsets)
else:
self.errors.append(_("Section '%(section)s' is configured as multiset, but '%(class)s' "
"doesn't support that configuration") % {"section": sname, "class": classname})
continue
else:
try:
setname = parser.get(sname, "name")
except NoOptionError:
setname = sname
if setname in self.psets and not update:
self.errors.append(_("Redefinition of set '%s' (sections: '%s', '%s')") % (setname, self.psets[setname].creator, sname))
if hasattr(setclass, "singleBuilder"):
try:
self.psets[setname] = setclass.singleBuilder(optdict, self.settings, self.trees)
self.psets[setname].creator = sname
if parser.has_option(sname, "world-candidate") and \
parser.getboolean(sname, "world-candidate"):
self.psets[setname].world_candidate = True
except SetConfigError as e:
self.errors.append(_("Configuration error in section '%s': %s") % (sname, str(e)))
continue
else:
self.errors.append(_("'%(class)s' does not support individual set creation, section '%(section)s' "
"must be configured as multiset") % {"class": classname, "section": sname})
continue
self._parsed = True
def getSets(self):
self._parse()
return self.psets.copy()
def getSetAtoms(self, setname, ignorelist=None):
"""
This raises PackageSetNotFound if the give setname does not exist.
"""
self._parse()
try:
myset = self.psets[setname]
except KeyError:
raise PackageSetNotFound(setname)
myatoms = myset.getAtoms()
parser = self._parser
if ignorelist is None:
ignorelist = set()
ignorelist.add(setname)
for n in myset.getNonAtoms():
if n.startswith(SETPREFIX):
s = n[len(SETPREFIX):]
if s in self.psets:
if s not in ignorelist:
myatoms.update(self.getSetAtoms(s,
ignorelist=ignorelist))
else:
raise PackageSetNotFound(s)
return myatoms
def load_default_config(settings, trees):
global_config_path = GLOBAL_CONFIG_PATH
if settings['EPREFIX']:
global_config_path = os.path.join(settings['EPREFIX'],
GLOBAL_CONFIG_PATH.lstrip(os.sep))
def _getfiles():
for path, dirs, files in os.walk(os.path.join(global_config_path, "sets")):
for f in files:
yield os.path.join(path, f)
dbapi = trees["porttree"].dbapi
for repo in dbapi.getRepositories():
path = dbapi.getRepositoryPath(repo)
yield os.path.join(path, "sets.conf")
yield os.path.join(settings["PORTAGE_CONFIGROOT"],
USER_CONFIG_PATH, "sets.conf")
return SetConfig(_getfiles(), settings, trees)
|