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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
import os, os.path, re, sys, textwrap
__all__ = [
'ConfigCoreDump',
'ConfigCoreHierarchy',
'ConfigParser',
]
class SchemaItemBoolean(object):
def __call__(self, i):
i = i.strip().lower()
if i in ("true", "1"):
return True
if i in ("false", "0"):
return False
raise Error
class SchemaItemList(object):
def __init__(self, type = "\s+"):
self.type = type
def __call__(self, i):
i = i.strip()
if not i:
return []
return [j.strip() for j in re.split(self.type, i)]
class ConfigCore(dict):
def get_merge(self, section, arch, featureset, flavour, key, default=None):
temp = []
if arch and featureset and flavour:
temp.append(self.get((section, arch, featureset, flavour), {}).get(key))
temp.append(self.get((section, arch, None, flavour), {}).get(key))
if arch and featureset:
temp.append(self.get((section, arch, featureset), {}).get(key))
if arch:
temp.append(self.get((section, arch), {}).get(key))
if featureset:
temp.append(self.get((section, None, featureset), {}).get(key))
temp.append(self.get((section,), {}).get(key))
ret = []
for i in temp:
if i is None:
continue
elif isinstance(i, (list, tuple)):
ret.extend(i)
elif ret:
# TODO
return ret
else:
return i
return ret or default
def merge(self, section, arch = None, featureset = None, flavour = None):
ret = {}
ret.update(self.get((section,), {}))
if featureset:
ret.update(self.get((section, None, featureset), {}))
if arch:
ret.update(self.get((section, arch), {}))
if arch and featureset:
ret.update(self.get((section, arch, featureset), {}))
if arch and featureset and flavour:
ret.update(self.get((section, arch, None, flavour), {}))
ret.update(self.get((section, arch, featureset, flavour), {}))
return ret
def dump(self, fp):
sections = self.keys()
sections.sort()
for section in sections:
fp.write('[%r]\n' % (section,))
items = self[section]
items_keys = items.keys()
items_keys.sort()
for item in items:
fp.write('%s: %r\n' % (item, items[item]))
fp.write('\n')
class ConfigCoreDump(ConfigCore):
def __init__(self, config = None, fp = None):
super(ConfigCoreDump, self).__init__(self)
if config is not None:
self.update(config)
if fp is not None:
from ConfigParser import RawConfigParser
config = RawConfigParser()
config.readfp(fp)
for section in config.sections():
section_real = eval(section)
data = {}
for key, value in config.items(section):
value_real = eval(value)
data[key] = value_real
self[section_real] = data
class ConfigCoreHierarchy(ConfigCore):
config_name = "defines"
schemas = {
'abi': {
'ignore-changes': SchemaItemList(),
},
'base': {
'arches': SchemaItemList(),
'enabled': SchemaItemBoolean(),
'featuresets': SchemaItemList(),
'flavours': SchemaItemList(),
'modules': SchemaItemBoolean(),
},
'build': {},
'description': {
'parts': SchemaItemList(),
},
'image': {
'bootloaders': SchemaItemList(),
'configs': SchemaItemList(),
'initramfs': SchemaItemBoolean(),
'initramfs-generators': SchemaItemList(),
},
'image-dbg': {
'enabled': SchemaItemBoolean(),
},
'relations': {
},
'xen': {
'dom0-support': SchemaItemBoolean(),
'flavours': SchemaItemList(),
'versions': SchemaItemList(),
}
}
def __init__(self, dirs = []):
super(ConfigCoreHierarchy, self).__init__()
self._dirs = dirs
self._read_base()
def _read_arch(self, arch):
config = ConfigParser(self.schemas)
config.read(self.get_files("%s/%s" % (arch, self.config_name)))
featuresets = config['base',].get('featuresets', [])
flavours = config['base',].get('flavours', [])
for section in iter(config):
if section[0] in featuresets:
real = (section[-1], arch, section[0])
elif len(section) > 1:
real = (section[-1], arch, None) + section[:-1]
else:
real = (section[-1], arch) + section[:-1]
s = self.get(real, {})
s.update(config[section])
self[tuple(real)] = s
for featureset in featuresets:
self._read_arch_featureset(arch, featureset)
if flavours:
base = self['base', arch]
featuresets.insert(0, 'none')
base['featuresets'] = featuresets
del base['flavours']
self['base', arch] = base
self['base', arch, 'none'] = {'flavours': flavours, 'implicit-flavour': True}
def _read_arch_featureset(self, arch, featureset):
config = ConfigParser(self.schemas)
config.read(self.get_files("%s/%s/%s" % (arch, featureset, self.config_name)))
flavours = config['base',].get('flavours', [])
for section in iter(config):
real = (section[-1], arch, featureset) + section[:-1]
s = self.get(real, {})
s.update(config[section])
self[tuple(real)] = s
def _read_base(self):
config = ConfigParser(self.schemas)
config.read(self.get_files(self.config_name))
arches = config['base',]['arches']
featuresets = config['base',].get('featuresets', [])
for section in iter(config):
if section[0].startswith('featureset-'):
real = (section[-1], None, section[0].lstrip('featureset-'))
else:
real = (section[-1],) + section[1:]
self[real] = config[section]
for arch in arches:
self._read_arch(arch)
for featureset in featuresets:
self._read_featureset(featureset)
def _read_featureset(self, featureset):
config = ConfigParser(self.schemas)
config.read(self.get_files("featureset-%s/%s" % (featureset, self.config_name)))
for section in iter(config):
real = (section[-1], None, featureset)
s = self.get(real, {})
s.update(config[section])
self[real] = s
def get_files(self, name):
return [os.path.join(i, name) for i in self._dirs if i]
class ConfigParser(object):
__slots__ = '_config', 'schemas'
def __init__(self, schemas):
self.schemas = schemas
from ConfigParser import RawConfigParser
self._config = config = RawConfigParser()
def __getitem__(self, key):
return self._convert()[key]
def __iter__(self):
return iter(self._convert())
def __str__(self):
return '<%s(%s)>' % (self.__class__.__name__, self._convert())
def _convert(self):
ret = {}
for section in self._config.sections():
data = {}
for key, value in self._config.items(section):
data[key] = value
s1 = section.split('_')
if s1[-1] in self.schemas:
ret[tuple(s1)] = self.SectionSchema(data, self.schemas[s1[-1]])
else:
ret[(section,)] = self.Section(data)
return ret
def keys(self):
return self._convert().keys()
def read(self, data):
return self._config.read(data)
class Section(dict):
def __init__(self, data):
super(ConfigParser.Section, self).__init__(data)
class SectionSchema(Section):
__slots__ = ()
def __init__(self, data, schema):
for key in data.keys():
try:
data[key] = schema[key](data[key])
except KeyError: pass
super(ConfigParser.SectionSchema, self).__init__(data)
if __name__ == '__main__':
import sys
config = ConfigCoreHierarchy(['debian/config'])
sections = config.keys()
sections.sort()
for section in sections:
print "[%s]" % (section,)
items = config[section]
items_keys = items.keys()
items_keys.sort()
for item in items:
print "%s: %s" % (item, items[item])
print
|
