source: mainline/tools/config.py@ bc9da2a

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since bc9da2a was fe12f9f4, checked in by Martin Decky <martin@…>, 16 years ago

add an information message indicating that the bzr revision is being fetched
(this operation might take some time if the user's repository is remote)
  • Property mode set to 100755
File size: 12.4 KB
Line 
1#!/usr/bin/env python
2#
3# Copyright (c) 2006 Ondrej Palkovsky
4# Copyright (c) 2009 Martin Decky
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10#
11# - Redistributions of source code must retain the above copyright
12# notice, this list of conditions and the following disclaimer.
13# - Redistributions in binary form must reproduce the above copyright
14# notice, this list of conditions and the following disclaimer in the
15# documentation and/or other materials provided with the distribution.
16# - The name of the author may not be used to endorse or promote products
17# derived from this software without specific prior written permission.
18#
19# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29#
30"""
31HelenOS configuration system
32"""
33import sys
34import os
35import re
36import time
37import subprocess
38import xtui
39
40INPUT = sys.argv[1]
41MAKEFILE = 'Makefile.config'
42MACROS = 'config.h'
43DEFS = 'config.defs'
44PRECONF = 'defaults'
45
46def read_defaults(fname, defaults):
47 "Read saved values from last configuration run"
48
49 inf = file(fname, 'r')
50
51 for line in inf:
52 res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line)
53 if (res):
54 defaults[res.group(1)] = res.group(2)
55
56 inf.close()
57
58def check_condition(text, defaults, ask_names):
59 "Check that the condition specified on input line is True (only CNF and DNF is supported)"
60
61 ctype = 'cnf'
62
63 if ((')|' in text) or ('|(' in text)):
64 ctype = 'dnf'
65
66 if (ctype == 'cnf'):
67 conds = text.split('&')
68 else:
69 conds = text.split('|')
70
71 for cond in conds:
72 if (cond.startswith('(')) and (cond.endswith(')')):
73 cond = cond[1:-1]
74
75 inside = check_inside(cond, defaults, ctype)
76
77 if (ctype == 'cnf') and (not inside):
78 return False
79
80 if (ctype == 'dnf') and (inside):
81 return True
82
83 if (ctype == 'cnf'):
84 return True
85 return False
86
87def check_inside(text, defaults, ctype):
88 "Check for condition"
89
90 if (ctype == 'cnf'):
91 conds = text.split('|')
92 else:
93 conds = text.split('&')
94
95 for cond in conds:
96 res = re.match(r'^(.*?)(!?=)(.*)$', cond)
97 if (not res):
98 raise RuntimeError("Invalid condition: %s" % cond)
99
100 condname = res.group(1)
101 oper = res.group(2)
102 condval = res.group(3)
103
104 if (not defaults.has_key(condname)):
105 varval = ''
106 else:
107 varval = defaults[condname]
108 if (varval == '*'):
109 varval = 'y'
110
111 if (ctype == 'cnf'):
112 if (oper == '=') and (condval == varval):
113 return True
114
115 if (oper == '!=') and (condval != varval):
116 return True
117 else:
118 if (oper == '=') and (condval != varval):
119 return False
120
121 if (oper == '!=') and (condval == varval):
122 return False
123
124 if (ctype == 'cnf'):
125 return False
126
127 return True
128
129def parse_config(fname, ask_names):
130 "Parse configuration file"
131
132 inf = file(fname, 'r')
133
134 name = ''
135 choices = []
136
137 for line in inf:
138
139 if (line.startswith('!')):
140 # Ask a question
141 res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line)
142
143 if (not res):
144 raise RuntimeError("Weird line: %s" % line)
145
146 cond = res.group(1)
147 varname = res.group(2)
148 vartype = res.group(3)
149
150 ask_names.append((varname, vartype, name, choices, cond))
151 name = ''
152 choices = []
153 continue
154
155 if (line.startswith('@')):
156 # Add new line into the 'choices' array
157 res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line)
158
159 if not res:
160 raise RuntimeError("Bad line: %s" % line)
161
162 choices.append((res.group(2), res.group(3)))
163 continue
164
165 if (line.startswith('%')):
166 # Name of the option
167 name = line[1:].strip()
168 continue
169
170 if ((line.startswith('#')) or (line == '\n')):
171 # Comment or empty line
172 continue
173
174
175 raise RuntimeError("Unknown syntax: %s" % line)
176
177 inf.close()
178
179def yes_no(default):
180 "Return '*' if yes, ' ' if no"
181
182 if (default == 'y'):
183 return '*'
184
185 return ' '
186
187def subchoice(screen, name, choices, default):
188 "Return choice of choices"
189
190 maxkey = 0
191 for key, val in choices:
192 length = len(key)
193 if (length > maxkey):
194 maxkey = length
195
196 options = []
197 position = None
198 cnt = 0
199 for key, val in choices:
200 if ((default) and (key == default)):
201 position = cnt
202
203 options.append(" %-*s %s " % (maxkey, key, val))
204 cnt += 1
205
206 (button, value) = xtui.choice_window(screen, name, 'Choose value', options, position)
207
208 if (button == 'cancel'):
209 return None
210
211 return choices[value][0]
212
213def check_choices(defaults, ask_names):
214 "Check whether all accessible variables have a default"
215
216 for varname, vartype, name, choices, cond in ask_names:
217 if ((cond) and (not check_condition(cond, defaults, ask_names))):
218 continue
219
220 if (not defaults.has_key(varname)):
221 return False
222
223 return True
224
225def create_output(mkname, mcname, dfname, defaults, ask_names):
226 "Create output configuration"
227
228 timestamp = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
229
230 sys.stderr.write("Fetching current revision identifier ... ")
231 version = subprocess.Popen(['bzr', 'version-info', '--custom', '--template={clean}:{revno}:{revision_id}'], stdout = subprocess.PIPE).communicate()[0].split(':')
232 sys.stderr.write("OK\n")
233
234 if (len(version) == 3):
235 revision = version[1]
236 if (version[0] != 1):
237 revision += 'M'
238 revision += ' (%s)' % version[2]
239 else:
240 revision = None
241
242 outmk = file(mkname, 'w')
243 outmc = file(mcname, 'w')
244 outdf = file(dfname, 'w')
245
246 outmk.write('#########################################\n')
247 outmk.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
248 outmk.write('#########################################\n\n')
249
250 outmc.write('/***************************************\n')
251 outmc.write(' * AUTO-GENERATED FILE, DO NOT EDIT!!! *\n')
252 outmc.write(' ***************************************/\n\n')
253
254 outdf.write('#########################################\n')
255 outdf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
256 outdf.write('#########################################\n\n')
257 outdf.write('CONFIG_DEFS =')
258
259 for varname, vartype, name, choices, cond in ask_names:
260 if ((cond) and (not check_condition(cond, defaults, ask_names))):
261 continue
262
263 if (not defaults.has_key(varname)):
264 default = ''
265 else:
266 default = defaults[varname]
267 if (default == '*'):
268 default = 'y'
269
270 outmk.write('# %s\n%s = %s\n\n' % (name, varname, default))
271
272 if ((vartype == "y") or (vartype == "n") or (vartype == "y/n") or (vartype == "n/y")):
273 if (default == "y"):
274 outmc.write('/* %s */\n#define %s\n\n' % (name, varname))
275 outdf.write(' -D%s' % varname)
276 else:
277 outmc.write('/* %s */\n#define %s %s\n#define %s_%s\n\n' % (name, varname, default, varname, default))
278 outdf.write(' -D%s=%s -D%s_%s' % (varname, default, varname, default))
279
280 if (revision is not None):
281 outmk.write('REVISION = %s\n' % revision)
282 outmc.write('#define REVISION %s\n' % revision)
283 outdf.write(' "-DREVISION=%s"' % revision)
284
285 outmk.write('TIMESTAMP = %s\n' % timestamp)
286 outmc.write('#define TIMESTAMP %s\n' % timestamp)
287 outdf.write(' "-DTIMESTAMP=%s"\n' % timestamp)
288
289 outmk.close()
290 outmc.close()
291 outdf.close()
292
293def sorted_dir(root):
294 list = os.listdir(root)
295 list.sort()
296 return list
297
298def read_preconfigured(root, fname, screen, defaults):
299 options = []
300 opt2path = {}
301 cnt = 0
302
303 # Look for profiles
304 for name in sorted_dir(root):
305 path = os.path.join(root, name)
306 canon = os.path.join(path, fname)
307
308 if ((os.path.isdir(path)) and (os.path.exists(canon)) and (os.path.isfile(canon))):
309 subprofile = False
310
311 # Look for subprofiles
312 for subname in sorted_dir(path):
313 subpath = os.path.join(path, subname)
314 subcanon = os.path.join(subpath, fname)
315
316 if ((os.path.isdir(subpath)) and (os.path.exists(subcanon)) and (os.path.isfile(subcanon))):
317 subprofile = True
318 options.append("%s (%s)" % (name, subname))
319 opt2path[cnt] = (canon, subcanon)
320 cnt += 1
321
322 if (not subprofile):
323 options.append(name)
324 opt2path[cnt] = (canon, None)
325 cnt += 1
326
327 (button, value) = xtui.choice_window(screen, 'Load preconfigured defaults', 'Choose configuration profile', options, None)
328
329 if (button == 'cancel'):
330 return None
331
332 read_defaults(opt2path[value][0], defaults)
333 if (opt2path[value][1] != None):
334 read_defaults(opt2path[value][1], defaults)
335
336def main():
337 defaults = {}
338 ask_names = []
339
340 # Parse configuration file
341 parse_config(INPUT, ask_names)
342
343 # Read defaults from previous run
344 if os.path.exists(MAKEFILE):
345 read_defaults(MAKEFILE, defaults)
346
347 # Default mode: only check defaults and regenerate configuration
348 if ((len(sys.argv) >= 3) and (sys.argv[2] == 'default')):
349 if (check_choices(defaults, ask_names)):
350 create_output(MAKEFILE, MACROS, DEFS, defaults, ask_names)
351 return 0
352
353 # Check mode: only check defaults
354 if ((len(sys.argv) >= 3) and (sys.argv[2] == 'check')):
355 if (check_choices(defaults, ask_names)):
356 return 0
357 return 1
358
359 screen = xtui.screen_init()
360 try:
361 selname = None
362 position = None
363 while True:
364
365 # Cancel out all defaults which have to be deduced
366 for varname, vartype, name, choices, cond in ask_names:
367 if ((vartype == 'y') and (defaults.has_key(varname)) and (defaults[varname] == '*')):
368 defaults[varname] = None
369
370 options = []
371 opt2row = {}
372 cnt = 1
373
374 options.append(" --- Load preconfigured defaults ... ")
375
376 for varname, vartype, name, choices, cond in ask_names:
377
378 if ((cond) and (not check_condition(cond, defaults, ask_names))):
379 continue
380
381 if (varname == selname):
382 position = cnt
383
384 if (not defaults.has_key(varname)):
385 default = None
386 else:
387 default = defaults[varname]
388
389 if (vartype == 'choice'):
390 # Check if the default is an acceptable value
391 if ((default) and (not default in [choice[0] for choice in choices])):
392 default = None
393 defaults.pop(varname)
394
395 # If there is just one option, use it
396 if (len(choices) == 1):
397 defaults[varname] = choices[0][0]
398 continue
399
400 if (default == None):
401 options.append("? %s --> " % name)
402 else:
403 options.append(" %s [%s] --> " % (name, default))
404 elif (vartype == 'y'):
405 defaults[varname] = '*'
406 continue
407 elif (vartype == 'n'):
408 defaults[varname] = 'n'
409 continue
410 elif (vartype == 'y/n'):
411 if (default == None):
412 default = 'y'
413 defaults[varname] = default
414 options.append(" <%s> %s " % (yes_no(default), name))
415 elif (vartype == 'n/y'):
416 if (default == None):
417 default = 'n'
418 defaults[varname] = default
419 options.append(" <%s> %s " % (yes_no(default), name))
420 else:
421 raise RuntimeError("Unknown variable type: %s" % vartype)
422
423 opt2row[cnt] = (varname, vartype, name, choices)
424
425 cnt += 1
426
427 if (position >= options):
428 position = None
429
430 (button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position)
431
432 if (button == 'cancel'):
433 return 'Configuration canceled'
434
435 if (button == 'done'):
436 if (check_choices(defaults, ask_names)):
437 break
438 else:
439 xtui.error_dialog(screen, 'Error', 'Some options have still undefined values. These options are marked with the "?" sign.')
440 continue
441
442 if (value == 0):
443 read_preconfigured(PRECONF, MAKEFILE, screen, defaults)
444 position = 1
445 continue
446
447 position = None
448 if (not opt2row.has_key(value)):
449 raise RuntimeError("Error selecting value: %s" % value)
450
451 (selname, seltype, name, choices) = opt2row[value]
452
453 if (not defaults.has_key(selname)):
454 default = None
455 else:
456 default = defaults[selname]
457
458 if (seltype == 'choice'):
459 defaults[selname] = subchoice(screen, name, choices, default)
460 elif ((seltype == 'y/n') or (seltype == 'n/y')):
461 if (defaults[selname] == 'y'):
462 defaults[selname] = 'n'
463 else:
464 defaults[selname] = 'y'
465 finally:
466 xtui.screen_done(screen)
467
468 create_output(MAKEFILE, MACROS, DEFS, defaults, ask_names)
469 return 0
470
471if __name__ == '__main__':
472 sys.exit(main())
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