Changes in tools/config.py [c01f8e6:28f4adb] in mainline
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tools/config.py (modified) (22 diffs)
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tools/config.py
rc01f8e6 r28f4adb 3 3 # Copyright (c) 2006 Ondrej Palkovsky 4 4 # Copyright (c) 2009 Martin Decky 5 # Copyright (c) 2010 Jiri Svoboda6 5 # All rights reserved. 7 6 # … … 41 40 import xtui 42 41 43 RULES_FILE= sys.argv[1]42 INPUT = sys.argv[1] 44 43 MAKEFILE = 'Makefile.config' 45 44 MACROS = 'config.h' 46 PRE SETS_DIR= 'defaults'47 48 def read_ config(fname, config):49 "Read saved values from last configuration run or a preset file"45 PRECONF = 'defaults' 46 47 def read_defaults(fname, defaults): 48 "Read saved values from last configuration run" 50 49 51 50 inf = open(fname, 'r') … … 53 52 for line in inf: 54 53 res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line) 55 if res:56 config[res.group(1)] = res.group(2)54 if (res): 55 defaults[res.group(1)] = res.group(2) 57 56 58 57 inf.close() 59 58 60 def check_condition(text, config, rules):59 def check_condition(text, defaults, ask_names): 61 60 "Check that the condition specified on input line is True (only CNF and DNF is supported)" 62 61 63 62 ctype = 'cnf' 64 63 65 if ( ')|' in text) or ('|(' in text):64 if ((')|' in text) or ('|(' in text)): 66 65 ctype = 'dnf' 67 66 68 if ctype == 'cnf':67 if (ctype == 'cnf'): 69 68 conds = text.split('&') 70 69 else: … … 72 71 73 72 for cond in conds: 74 if cond.startswith('(') and cond.endswith(')'):73 if (cond.startswith('(')) and (cond.endswith(')')): 75 74 cond = cond[1:-1] 76 75 77 inside = check_inside(cond, config, ctype)76 inside = check_inside(cond, defaults, ctype) 78 77 79 78 if (ctype == 'cnf') and (not inside): 80 79 return False 81 80 82 if (ctype == 'dnf') and inside:81 if (ctype == 'dnf') and (inside): 83 82 return True 84 83 85 if ctype == 'cnf':84 if (ctype == 'cnf'): 86 85 return True 87 86 return False 88 87 89 def check_inside(text, config, ctype):88 def check_inside(text, defaults, ctype): 90 89 "Check for condition" 91 90 92 if ctype == 'cnf':91 if (ctype == 'cnf'): 93 92 conds = text.split('|') 94 93 else: … … 97 96 for cond in conds: 98 97 res = re.match(r'^(.*?)(!?=)(.*)$', cond) 99 if not res:98 if (not res): 100 99 raise RuntimeError("Invalid condition: %s" % cond) 101 100 … … 104 103 condval = res.group(3) 105 104 106 if not condname in config:105 if (not condname in defaults): 107 106 varval = '' 108 107 else: 109 varval = config[condname]108 varval = defaults[condname] 110 109 if (varval == '*'): 111 110 varval = 'y' 112 111 113 if ctype == 'cnf':112 if (ctype == 'cnf'): 114 113 if (oper == '=') and (condval == varval): 115 114 return True … … 124 123 return False 125 124 126 if ctype == 'cnf':125 if (ctype == 'cnf'): 127 126 return False 128 127 129 128 return True 130 129 131 def parse_ rules(fname, rules):132 "Parse rulesfile"130 def parse_config(fname, ask_names): 131 "Parse configuration file" 133 132 134 133 inf = open(fname, 'r') … … 139 138 for line in inf: 140 139 141 if line.startswith('!'):140 if (line.startswith('!')): 142 141 # Ask a question 143 142 res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line) 144 143 145 if not res:144 if (not res): 146 145 raise RuntimeError("Weird line: %s" % line) 147 146 … … 150 149 vartype = res.group(3) 151 150 152 rules.append((varname, vartype, name, choices, cond))151 ask_names.append((varname, vartype, name, choices, cond)) 153 152 name = '' 154 153 choices = [] 155 154 continue 156 155 157 if line.startswith('@'):156 if (line.startswith('@')): 158 157 # Add new line into the 'choices' array 159 158 res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line) … … 165 164 continue 166 165 167 if line.startswith('%'):166 if (line.startswith('%')): 168 167 # Name of the option 169 168 name = line[1:].strip() 170 169 continue 171 170 172 if line.startswith('#') or (line == '\n'):171 if ((line.startswith('#')) or (line == '\n')): 173 172 # Comment or empty line 174 173 continue … … 182 181 "Return '*' if yes, ' ' if no" 183 182 184 if default == 'y':183 if (default == 'y'): 185 184 return '*' 186 185 … … 200 199 cnt = 0 201 200 for key, val in choices: 202 if ( default) and (key == default):201 if ((default) and (key == default)): 203 202 position = cnt 204 203 … … 208 207 (button, value) = xtui.choice_window(screen, name, 'Choose value', options, position) 209 208 210 if button == 'cancel':209 if (button == 'cancel'): 211 210 return None 212 211 213 212 return choices[value][0] 214 213 215 ## Infer and verify configuration values. 216 # 217 # Augment @a config with values that can be inferred, purge invalid ones 218 # and verify that all variables have a value (previously specified or inferred). 219 # 220 # @param config Configuration to work on 221 # @param rules Rules 222 # 223 # @return True if configuration is complete and valid, False 224 # otherwise. 225 # 226 def infer_verify_choices(config, rules): 227 "Infer and verify configuration values." 228 229 for rule in rules: 230 varname, vartype, name, choices, cond = rule 231 232 if cond and (not check_condition(cond, config, rules)): 233 continue 234 235 if not varname in config: 236 value = None 237 else: 238 value = config[varname] 239 240 if not validate_rule_value(rule, value): 241 value = None 242 243 default = get_default_rule(rule) 244 245 # 246 # If we don't have a value but we do have 247 # a default, use it. 248 # 249 if value == None and default != None: 250 value = default 251 config[varname] = default 252 253 if not varname in config: 214 def check_choices(defaults, ask_names): 215 "Check whether all accessible variables have a default" 216 217 for varname, vartype, name, choices, cond in ask_names: 218 if ((cond) and (not check_condition(cond, defaults, ask_names))): 219 continue 220 221 if (not varname in defaults): 254 222 return False 255 223 256 224 return True 257 225 258 ## Get default value from a rule. 259 def get_default_rule(rule): 260 varname, vartype, name, choices, cond = rule 261 262 default = None 263 264 if vartype == 'choice': 265 # If there is just one option, use it 266 if len(choices) == 1: 267 default = choices[0][0] 268 elif vartype == 'y': 269 default = '*' 270 elif vartype == 'n': 271 default = 'n' 272 elif vartype == 'y/n': 273 default = 'y' 274 elif vartype == 'n/y': 275 default = 'n' 276 else: 277 raise RuntimeError("Unknown variable type: %s" % vartype) 278 279 return default 280 281 ## Get option from a rule. 282 # 283 # @param rule Rule for a variable 284 # @param value Current value of the variable 285 # 286 # @return Option (string) to ask or None which means not to ask. 287 # 288 def get_rule_option(rule, value): 289 varname, vartype, name, choices, cond = rule 290 291 option = None 292 293 if vartype == 'choice': 294 # If there is just one option, don't ask 295 if len(choices) != 1: 296 if (value == None): 297 option = "? %s --> " % name 298 else: 299 option = " %s [%s] --> " % (name, value) 300 elif vartype == 'y': 301 pass 302 elif vartype == 'n': 303 pass 304 elif vartype == 'y/n': 305 option = " <%s> %s " % (yes_no(value), name) 306 elif vartype == 'n/y': 307 option =" <%s> %s " % (yes_no(value), name) 308 else: 309 raise RuntimeError("Unknown variable type: %s" % vartype) 310 311 return option 312 313 ## Check if variable value is valid. 314 # 315 # @param rule Rule for the variable 316 # @param value Value of the variable 317 # 318 # @return True if valid, False if not valid. 319 # 320 def validate_rule_value(rule, value): 321 varname, vartype, name, choices, cond = rule 322 323 if value == None: 324 return True 325 326 if vartype == 'choice': 327 if not value in [choice[0] for choice in choices]: 328 return False 329 elif vartype == 'y': 330 if value != 'y': 331 return False 332 elif vartype == 'n': 333 if value != 'n': 334 return False 335 elif vartype == 'y/n': 336 if not value in ['y', 'n']: 337 return False 338 elif vartype == 'n/y': 339 if not value in ['y', 'n']: 340 return False 341 else: 342 raise RuntimeError("Unknown variable type: %s" % vartype) 343 344 return True 345 346 def create_output(mkname, mcname, config, rules): 226 def create_output(mkname, mcname, defaults, ask_names): 347 227 "Create output configuration" 348 228 … … 358 238 sys.stderr.write("failed\n") 359 239 360 if len(version) == 3:240 if (len(version) == 3): 361 241 revision = version[1] 362 if version[0] != 1:242 if (version[0] != 1): 363 243 revision += 'M' 364 244 revision += ' (%s)' % version[2] … … 379 259 defs = 'CONFIG_DEFS =' 380 260 381 for varname, vartype, name, choices, cond in rules:382 if cond and (not check_condition(cond, config, rules)):383 continue 384 385 if not varname in config:386 value= ''261 for varname, vartype, name, choices, cond in ask_names: 262 if ((cond) and (not check_condition(cond, defaults, ask_names))): 263 continue 264 265 if (not varname in defaults): 266 default = '' 387 267 else: 388 value = config[varname]389 if ( value== '*'):390 value= 'y'391 392 outmk.write('# %s\n%s = %s\n\n' % (name, varname, value))393 394 if vartype in ["y", "n", "y/n", "n/y"]:395 if value == "y":268 default = defaults[varname] 269 if (default == '*'): 270 default = 'y' 271 272 outmk.write('# %s\n%s = %s\n\n' % (name, varname, default)) 273 274 if ((vartype == "y") or (vartype == "n") or (vartype == "y/n") or (vartype == "n/y")): 275 if (default == "y"): 396 276 outmc.write('/* %s */\n#define %s\n\n' % (name, varname)) 397 277 defs += ' -D%s' % varname 398 278 else: 399 outmc.write('/* %s */\n#define %s %s\n#define %s_%s\n\n' % (name, varname, value, varname, value))400 defs += ' -D%s=%s -D%s_%s' % (varname, value, varname, value)401 402 if revision is not None:279 outmc.write('/* %s */\n#define %s %s\n#define %s_%s\n\n' % (name, varname, default, varname, default)) 280 defs += ' -D%s=%s -D%s_%s' % (varname, default, varname, default) 281 282 if (revision is not None): 403 283 outmk.write('REVISION = %s\n' % revision) 404 284 outmc.write('#define REVISION %s\n' % revision) … … 419 299 return list 420 300 421 ## Ask user to choose a configuration profile. 422 # 423 def choose_profile(root, fname, screen, config): 301 def read_preconfigured(root, fname, screen, defaults): 424 302 options = [] 425 303 opt2path = {} … … 431 309 canon = os.path.join(path, fname) 432 310 433 if os.path.isdir(path) and os.path.exists(canon) and os.path.isfile(canon):311 if ((os.path.isdir(path)) and (os.path.exists(canon)) and (os.path.isfile(canon))): 434 312 subprofile = False 435 313 … … 439 317 subcanon = os.path.join(subpath, fname) 440 318 441 if os.path.isdir(subpath) and os.path.exists(subcanon) and os.path.isfile(subcanon):319 if ((os.path.isdir(subpath)) and (os.path.exists(subcanon)) and (os.path.isfile(subcanon))): 442 320 subprofile = True 443 321 options.append("%s (%s)" % (name, subname)) 444 opt2path[cnt] = [name, subname]322 opt2path[cnt] = (canon, subcanon) 445 323 cnt += 1 446 324 447 if not subprofile:325 if (not subprofile): 448 326 options.append(name) 449 opt2path[cnt] = [name]327 opt2path[cnt] = (canon, None) 450 328 cnt += 1 451 329 452 330 (button, value) = xtui.choice_window(screen, 'Load preconfigured defaults', 'Choose configuration profile', options, None) 453 331 454 if button == 'cancel':332 if (button == 'cancel'): 455 333 return None 456 334 457 return opt2path[value] 458 459 ## Read presets from a configuration profile. 460 # 461 # @param profile Profile to load from (a list of string components) 462 # @param config Output configuration 463 # 464 def read_presets(profile, config): 465 path = os.path.join(PRESETS_DIR, profile[0], MAKEFILE) 466 read_config(path, config) 467 468 if len(profile) > 1: 469 path = os.path.join(PRESETS_DIR, profile[0], profile[1], MAKEFILE) 470 read_config(path, config) 471 472 ## Parse profile name (relative OS path) into a list of components. 473 # 474 # @param profile_name Relative path (using OS separator) 475 # @return List of components 476 # 477 def parse_profile_name(profile_name): 478 profile = [] 479 480 head, tail = os.path.split(profile_name) 481 if head != '': 482 profile.append(head) 483 484 profile.append(tail) 485 return profile 335 read_defaults(opt2path[value][0], defaults) 336 if (opt2path[value][1] != None): 337 read_defaults(opt2path[value][1], defaults) 486 338 487 339 def main(): 488 profile = None 489 config = {} 490 rules = [] 491 492 # Parse rules file 493 parse_rules(RULES_FILE, rules) 494 495 # Input configuration file can be specified on command line 496 # otherwise configuration from previous run is used. 497 if len(sys.argv) >= 4: 498 profile = parse_profile_name(sys.argv[3]) 499 read_presets(profile, config) 500 elif os.path.exists(MAKEFILE): 501 read_config(MAKEFILE, config) 502 503 # Default mode: check values and regenerate configuration files 504 if (len(sys.argv) >= 3) and (sys.argv[2] == 'default'): 505 if (infer_verify_choices(config, rules)): 506 create_output(MAKEFILE, MACROS, config, rules) 340 defaults = {} 341 ask_names = [] 342 343 # Parse configuration file 344 parse_config(INPUT, ask_names) 345 346 # Read defaults from previous run 347 if os.path.exists(MAKEFILE): 348 read_defaults(MAKEFILE, defaults) 349 350 # Default mode: only check defaults and regenerate configuration 351 if ((len(sys.argv) >= 3) and (sys.argv[2] == 'default')): 352 if (check_choices(defaults, ask_names)): 353 create_output(MAKEFILE, MACROS, defaults, ask_names) 507 354 return 0 508 355 509 # Hands-off mode: check values and regenerate configuration files, 510 # but no interactive fallback 511 if (len(sys.argv) >= 3) and (sys.argv[2] == 'hands-off'): 512 # We deliberately test sys.argv >= 4 because we do not want 513 # to read implicitly any possible previous run configuration 514 if len(sys.argv) < 4: 515 sys.stderr.write("Configuration error: No presets specified\n") 516 return 2 517 518 if (infer_verify_choices(config, rules)): 519 create_output(MAKEFILE, MACROS, config, rules) 520 return 0 521 522 sys.stderr.write("Configuration error: The presets are ambiguous\n") 523 return 1 524 525 # Check mode: only check configuration 526 if (len(sys.argv) >= 3) and (sys.argv[2] == 'check'): 527 if infer_verify_choices(config, rules): 356 # Check mode: only check defaults 357 if ((len(sys.argv) >= 3) and (sys.argv[2] == 'check')): 358 if (check_choices(defaults, ask_names)): 528 359 return 0 529 360 return 1 … … 535 366 while True: 536 367 537 # Cancel out all values which have to be deduced538 for varname, vartype, name, choices, cond in rules:539 if ( vartype == 'y') and (varname in config) and (config[varname] == '*'):540 config[varname] = None368 # Cancel out all defaults which have to be deduced 369 for varname, vartype, name, choices, cond in ask_names: 370 if ((vartype == 'y') and (varname in defaults) and (defaults[varname] == '*')): 371 defaults[varname] = None 541 372 542 373 options = [] … … 546 377 options.append(" --- Load preconfigured defaults ... ") 547 378 548 for rule in rules: 549 varname, vartype, name, choices, cond = rule 550 551 if cond and (not check_condition(cond, config, rules)): 379 for varname, vartype, name, choices, cond in ask_names: 380 381 if ((cond) and (not check_condition(cond, defaults, ask_names))): 552 382 continue 553 383 554 if varname == selname:384 if (varname == selname): 555 385 position = cnt 556 386 557 if not varname in config:558 value= None387 if (not varname in defaults): 388 default = None 559 389 else: 560 value = config[varname] 561 562 if not validate_rule_value(rule, value): 563 value = None 564 565 default = get_default_rule(rule) 566 567 # 568 # If we don't have a value but we do have 569 # a default, use it. 570 # 571 if value == None and default != None: 572 value = default 573 config[varname] = default 574 575 option = get_rule_option(rule, value) 576 if option != None: 577 options.append(option) 390 default = defaults[varname] 391 392 if (vartype == 'choice'): 393 # Check if the default is an acceptable value 394 if ((default) and (not default in [choice[0] for choice in choices])): 395 default = None 396 defaults.pop(varname) 397 398 # If there is just one option, use it 399 if (len(choices) == 1): 400 defaults[varname] = choices[0][0] 401 continue 402 403 if (default == None): 404 options.append("? %s --> " % name) 405 else: 406 options.append(" %s [%s] --> " % (name, default)) 407 elif (vartype == 'y'): 408 defaults[varname] = '*' 409 continue 410 elif (vartype == 'n'): 411 defaults[varname] = 'n' 412 continue 413 elif (vartype == 'y/n'): 414 if (default == None): 415 default = 'y' 416 defaults[varname] = default 417 options.append(" <%s> %s " % (yes_no(default), name)) 418 elif (vartype == 'n/y'): 419 if (default == None): 420 default = 'n' 421 defaults[varname] = default 422 options.append(" <%s> %s " % (yes_no(default), name)) 578 423 else: 579 continue424 raise RuntimeError("Unknown variable type: %s" % vartype) 580 425 581 426 opt2row[cnt] = (varname, vartype, name, choices) … … 588 433 (button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position) 589 434 590 if button == 'cancel':435 if (button == 'cancel'): 591 436 return 'Configuration canceled' 592 437 593 if button == 'done':594 if ( infer_verify_choices(config, rules)):438 if (button == 'done'): 439 if (check_choices(defaults, ask_names)): 595 440 break 596 441 else: … … 598 443 continue 599 444 600 if value == 0: 601 profile = choose_profile(PRESETS_DIR, MAKEFILE, screen, config) 602 if profile != None: 603 read_presets(profile, config) 445 if (value == 0): 446 read_preconfigured(PRECONF, MAKEFILE, screen, defaults) 604 447 position = 1 605 448 continue 606 449 607 450 position = None 608 if not value in opt2row:451 if (not value in opt2row): 609 452 raise RuntimeError("Error selecting value: %s" % value) 610 453 611 454 (selname, seltype, name, choices) = opt2row[value] 612 455 613 if not selname in config:614 value= None456 if (not selname in defaults): 457 default = None 615 458 else: 616 value = config[selname]617 618 if seltype == 'choice':619 config[selname] = subchoice(screen, name, choices, value)620 elif ( seltype == 'y/n') or (seltype == 'n/y'):621 if config[selname] == 'y':622 config[selname] = 'n'459 default = defaults[selname] 460 461 if (seltype == 'choice'): 462 defaults[selname] = subchoice(screen, name, choices, default) 463 elif ((seltype == 'y/n') or (seltype == 'n/y')): 464 if (defaults[selname] == 'y'): 465 defaults[selname] = 'n' 623 466 else: 624 config[selname] = 'y'467 defaults[selname] = 'y' 625 468 finally: 626 469 xtui.screen_done(screen) 627 470 628 create_output(MAKEFILE, MACROS, config, rules)471 create_output(MAKEFILE, MACROS, defaults, ask_names) 629 472 return 0 630 473
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