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Diffstat (limited to 'bitbake-dev/lib/bb/data_smart.py')
-rw-r--r-- | bitbake-dev/lib/bb/data_smart.py | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/bitbake-dev/lib/bb/data_smart.py b/bitbake-dev/lib/bb/data_smart.py deleted file mode 100644 index 988d5c3578..0000000000 --- a/bitbake-dev/lib/bb/data_smart.py +++ /dev/null | |||
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1 | # ex:ts=4:sw=4:sts=4:et | ||
2 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- | ||
3 | """ | ||
4 | BitBake Smart Dictionary Implementation | ||
5 | |||
6 | Functions for interacting with the data structure used by the | ||
7 | BitBake build tools. | ||
8 | |||
9 | """ | ||
10 | |||
11 | # Copyright (C) 2003, 2004 Chris Larson | ||
12 | # Copyright (C) 2004, 2005 Seb Frankengul | ||
13 | # Copyright (C) 2005, 2006 Holger Hans Peter Freyther | ||
14 | # Copyright (C) 2005 Uli Luckas | ||
15 | # Copyright (C) 2005 ROAD GmbH | ||
16 | # | ||
17 | # This program is free software; you can redistribute it and/or modify | ||
18 | # it under the terms of the GNU General Public License version 2 as | ||
19 | # published by the Free Software Foundation. | ||
20 | # | ||
21 | # This program is distributed in the hope that it will be useful, | ||
22 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
23 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
24 | # GNU General Public License for more details. | ||
25 | # | ||
26 | # You should have received a copy of the GNU General Public License along | ||
27 | # with this program; if not, write to the Free Software Foundation, Inc., | ||
28 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
29 | # Based on functions from the base bb module, Copyright 2003 Holger Schurig | ||
30 | |||
31 | import copy, os, re, sys, time, types | ||
32 | import bb | ||
33 | from bb import utils, methodpool | ||
34 | from COW import COWDictBase | ||
35 | from new import classobj | ||
36 | |||
37 | |||
38 | __setvar_keyword__ = ["_append","_prepend"] | ||
39 | __setvar_regexp__ = re.compile('(?P<base>.*?)(?P<keyword>_append|_prepend)(_(?P<add>.*))?') | ||
40 | __expand_var_regexp__ = re.compile(r"\${[^{}]+}") | ||
41 | __expand_python_regexp__ = re.compile(r"\${@.+?}") | ||
42 | |||
43 | |||
44 | class DataSmart: | ||
45 | def __init__(self, special = COWDictBase.copy(), seen = COWDictBase.copy() ): | ||
46 | self.dict = {} | ||
47 | |||
48 | # cookie monster tribute | ||
49 | self._special_values = special | ||
50 | self._seen_overrides = seen | ||
51 | |||
52 | self.expand_cache = {} | ||
53 | |||
54 | def expand(self,s, varname): | ||
55 | def var_sub(match): | ||
56 | key = match.group()[2:-1] | ||
57 | if varname and key: | ||
58 | if varname == key: | ||
59 | raise Exception("variable %s references itself!" % varname) | ||
60 | var = self.getVar(key, 1) | ||
61 | if var is not None: | ||
62 | return var | ||
63 | else: | ||
64 | return match.group() | ||
65 | |||
66 | def python_sub(match): | ||
67 | import bb | ||
68 | code = match.group()[3:-1] | ||
69 | locals()['d'] = self | ||
70 | s = eval(code) | ||
71 | if type(s) == types.IntType: s = str(s) | ||
72 | return s | ||
73 | |||
74 | if type(s) is not types.StringType: # sanity check | ||
75 | return s | ||
76 | |||
77 | if varname and varname in self.expand_cache: | ||
78 | return self.expand_cache[varname] | ||
79 | |||
80 | while s.find('${') != -1: | ||
81 | olds = s | ||
82 | try: | ||
83 | s = __expand_var_regexp__.sub(var_sub, s) | ||
84 | s = __expand_python_regexp__.sub(python_sub, s) | ||
85 | if s == olds: break | ||
86 | if type(s) is not types.StringType: # sanity check | ||
87 | bb.msg.error(bb.msg.domain.Data, 'expansion of %s returned non-string %s' % (olds, s)) | ||
88 | except KeyboardInterrupt: | ||
89 | raise | ||
90 | except: | ||
91 | bb.msg.note(1, bb.msg.domain.Data, "%s:%s while evaluating:\n%s" % (sys.exc_info()[0], sys.exc_info()[1], s)) | ||
92 | raise | ||
93 | |||
94 | if varname: | ||
95 | self.expand_cache[varname] = s | ||
96 | |||
97 | return s | ||
98 | |||
99 | def initVar(self, var): | ||
100 | self.expand_cache = {} | ||
101 | if not var in self.dict: | ||
102 | self.dict[var] = {} | ||
103 | |||
104 | def _findVar(self,var): | ||
105 | _dest = self.dict | ||
106 | |||
107 | while (_dest and var not in _dest): | ||
108 | if not "_data" in _dest: | ||
109 | _dest = None | ||
110 | break | ||
111 | _dest = _dest["_data"] | ||
112 | |||
113 | if _dest and var in _dest: | ||
114 | return _dest[var] | ||
115 | return None | ||
116 | |||
117 | def _makeShadowCopy(self, var): | ||
118 | if var in self.dict: | ||
119 | return | ||
120 | |||
121 | local_var = self._findVar(var) | ||
122 | |||
123 | if local_var: | ||
124 | self.dict[var] = copy.copy(local_var) | ||
125 | else: | ||
126 | self.initVar(var) | ||
127 | |||
128 | def setVar(self,var,value): | ||
129 | self.expand_cache = {} | ||
130 | match = __setvar_regexp__.match(var) | ||
131 | if match and match.group("keyword") in __setvar_keyword__: | ||
132 | base = match.group('base') | ||
133 | keyword = match.group("keyword") | ||
134 | override = match.group('add') | ||
135 | l = self.getVarFlag(base, keyword) or [] | ||
136 | l.append([value, override]) | ||
137 | self.setVarFlag(base, keyword, l) | ||
138 | |||
139 | # todo make sure keyword is not __doc__ or __module__ | ||
140 | # pay the cookie monster | ||
141 | try: | ||
142 | self._special_values[keyword].add( base ) | ||
143 | except: | ||
144 | self._special_values[keyword] = set() | ||
145 | self._special_values[keyword].add( base ) | ||
146 | |||
147 | return | ||
148 | |||
149 | if not var in self.dict: | ||
150 | self._makeShadowCopy(var) | ||
151 | |||
152 | # more cookies for the cookie monster | ||
153 | if '_' in var: | ||
154 | override = var[var.rfind('_')+1:] | ||
155 | if not self._seen_overrides.has_key(override): | ||
156 | self._seen_overrides[override] = set() | ||
157 | self._seen_overrides[override].add( var ) | ||
158 | |||
159 | # setting var | ||
160 | self.dict[var]["content"] = value | ||
161 | |||
162 | def getVar(self,var,exp): | ||
163 | value = self.getVarFlag(var,"content") | ||
164 | |||
165 | if exp and value: | ||
166 | return self.expand(value,var) | ||
167 | return value | ||
168 | |||
169 | def renameVar(self, key, newkey): | ||
170 | """ | ||
171 | Rename the variable key to newkey | ||
172 | """ | ||
173 | val = self.getVar(key, 0) | ||
174 | if val is not None: | ||
175 | self.setVar(newkey, val) | ||
176 | |||
177 | for i in ('_append', '_prepend'): | ||
178 | src = self.getVarFlag(key, i) | ||
179 | if src is None: | ||
180 | continue | ||
181 | |||
182 | dest = self.getVarFlag(newkey, i) or [] | ||
183 | dest.extend(src) | ||
184 | self.setVarFlag(newkey, i, dest) | ||
185 | |||
186 | if self._special_values.has_key(i) and key in self._special_values[i]: | ||
187 | self._special_values[i].remove(key) | ||
188 | self._special_values[i].add(newkey) | ||
189 | |||
190 | self.delVar(key) | ||
191 | |||
192 | def delVar(self,var): | ||
193 | self.expand_cache = {} | ||
194 | self.dict[var] = {} | ||
195 | |||
196 | def setVarFlag(self,var,flag,flagvalue): | ||
197 | if not var in self.dict: | ||
198 | self._makeShadowCopy(var) | ||
199 | self.dict[var][flag] = flagvalue | ||
200 | |||
201 | def getVarFlag(self,var,flag): | ||
202 | local_var = self._findVar(var) | ||
203 | if local_var: | ||
204 | if flag in local_var: | ||
205 | return copy.copy(local_var[flag]) | ||
206 | return None | ||
207 | |||
208 | def delVarFlag(self,var,flag): | ||
209 | local_var = self._findVar(var) | ||
210 | if not local_var: | ||
211 | return | ||
212 | if not var in self.dict: | ||
213 | self._makeShadowCopy(var) | ||
214 | |||
215 | if var in self.dict and flag in self.dict[var]: | ||
216 | del self.dict[var][flag] | ||
217 | |||
218 | def setVarFlags(self,var,flags): | ||
219 | if not var in self.dict: | ||
220 | self._makeShadowCopy(var) | ||
221 | |||
222 | for i in flags.keys(): | ||
223 | if i == "content": | ||
224 | continue | ||
225 | self.dict[var][i] = flags[i] | ||
226 | |||
227 | def getVarFlags(self,var): | ||
228 | local_var = self._findVar(var) | ||
229 | flags = {} | ||
230 | |||
231 | if local_var: | ||
232 | for i in local_var.keys(): | ||
233 | if i == "content": | ||
234 | continue | ||
235 | flags[i] = local_var[i] | ||
236 | |||
237 | if len(flags) == 0: | ||
238 | return None | ||
239 | return flags | ||
240 | |||
241 | |||
242 | def delVarFlags(self,var): | ||
243 | if not var in self.dict: | ||
244 | self._makeShadowCopy(var) | ||
245 | |||
246 | if var in self.dict: | ||
247 | content = None | ||
248 | |||
249 | # try to save the content | ||
250 | if "content" in self.dict[var]: | ||
251 | content = self.dict[var]["content"] | ||
252 | self.dict[var] = {} | ||
253 | self.dict[var]["content"] = content | ||
254 | else: | ||
255 | del self.dict[var] | ||
256 | |||
257 | |||
258 | def createCopy(self): | ||
259 | """ | ||
260 | Create a copy of self by setting _data to self | ||
261 | """ | ||
262 | # we really want this to be a DataSmart... | ||
263 | data = DataSmart(seen=self._seen_overrides.copy(), special=self._special_values.copy()) | ||
264 | data.dict["_data"] = self.dict | ||
265 | |||
266 | return data | ||
267 | |||
268 | # Dictionary Methods | ||
269 | def keys(self): | ||
270 | def _keys(d, mykey): | ||
271 | if "_data" in d: | ||
272 | _keys(d["_data"],mykey) | ||
273 | |||
274 | for key in d.keys(): | ||
275 | if key != "_data": | ||
276 | mykey[key] = None | ||
277 | keytab = {} | ||
278 | _keys(self.dict,keytab) | ||
279 | return keytab.keys() | ||
280 | |||
281 | def __getitem__(self,item): | ||
282 | #print "Warning deprecated" | ||
283 | return self.getVar(item, False) | ||
284 | |||
285 | def __setitem__(self,var,data): | ||
286 | #print "Warning deprecated" | ||
287 | self.setVar(var,data) | ||
288 | |||
289 | |||