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
|
# Copyright (C) 2012 Codethink Limited
#
# 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 2 of the License.
#
# 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.
import json
class Morphology(object):
'''An in-memory representation of a morphology.
This is a parsed version of the morphology, with rules for default
values applied. No other processing.
'''
static_defaults = {
'chunk': [
('description', ''),
('configure-commands', None),
('build-commands', None),
('test-commands', None),
('install-commands', None),
('chunks', []),
('max-jobs', None),
('build-system', 'manual')
],
'stratum': [
('chunks', []),
('description', ''),
('build-depends', None)
],
'system': [
('strata', []),
('description', ''),
('arch', None),
('system-kind', None)
]
}
def __init__(self, text):
self._dict = json.loads(text)
self._set_defaults()
self._validate_children()
def __getitem__(self, key):
return self._dict[key]
def __contains__(self, key):
return key in self._dict
def keys(self):
return self._dict.keys()
def _validate_children(self):
if self['kind'] == 'system':
names = set()
for info in self['strata']:
name = info.get('alias', info['morph'])
if name in names:
raise ValueError('Duplicate stratum "%s"' % name)
names.add(name)
elif self['kind'] == 'stratum':
names = set()
for info in self['chunks']:
name = info.get('alias', info['name'])
if name in names:
raise ValueError('Duplicate chunk "%s"' % name)
names.add(name)
def lookup_child_by_name(self, name):
'''Find child reference by its name.
This lookup honors aliases.
'''
if self['kind'] == 'system':
for info in self['strata']:
source_name = info.get('alias', info['morph'])
if source_name == name:
return info
elif self['kind'] == 'stratum':
for info in self['chunks']:
source_name = info.get('alias', info['name'])
if source_name == name:
return info
raise KeyError('"%s" not found' % name)
def _set_defaults(self):
if 'max-jobs' in self:
self._dict['max-jobs'] = int(self['max-jobs'])
if 'disk-size' in self:
size = self['disk-size']
if isinstance(size, basestring):
size = size.lower()
if size.endswith('g'):
size = int(size[:-1]) * 1024 ** 3
elif size.endswith('m'): # pragma: no cover
size = int(size[:-1]) * 1024 ** 2
elif size.endswith('k'): # pragma: no cover
size = int(size[:-1]) * 1024
else: # pragma: no cover
size = int(size)
else: # pragma: no cover
size = int(size)
self._dict['disk-size'] = size
for name, value in self.static_defaults[self['kind']]:
if name not in self._dict:
self._dict[name] = value
if self['kind'] == 'stratum':
self._set_stratum_defaults()
def _set_stratum_defaults(self):
for source in self['chunks']:
if 'repo' not in source:
source['repo'] = source['name']
if 'morph' not in source:
source['morph'] = source['name']
if 'build-depends' not in source:
source['build-depends'] = None
|
