Changes in tools/config.py [5a8fbcb:c01f8e6] in mainline
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tools/config.py (modified) (22 diffs)
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tools/config.py
r5a8fbcb rc01f8e6 3 3 # Copyright (c) 2006 Ondrej Palkovsky 4 4 # Copyright (c) 2009 Martin Decky 5 # Copyright (c) 2010 Jiri Svoboda 5 6 # All rights reserved. 6 7 # … … 28 29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 # 31 30 32 """ 31 33 HelenOS configuration system 32 34 """ 35 33 36 import sys 34 37 import os … … 38 41 import xtui 39 42 40 INPUT= sys.argv[1]43 RULES_FILE = sys.argv[1] 41 44 MAKEFILE = 'Makefile.config' 42 45 MACROS = 'config.h' 43 DEFS = 'config.defs' 44 PRECONF = 'defaults' 45 46 def read_defaults(fname, defaults): 47 "Read saved values from last configuration run" 48 49 inf = file(fname, 'r') 46 PRESETS_DIR = 'defaults' 47 48 def read_config(fname, config): 49 "Read saved values from last configuration run or a preset file" 50 51 inf = open(fname, 'r') 50 52 51 53 for line in inf: 52 54 res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line) 53 if (res):54 defaults[res.group(1)] = res.group(2)55 if res: 56 config[res.group(1)] = res.group(2) 55 57 56 58 inf.close() 57 59 58 def check_condition(text, defaults, ask_names):60 def check_condition(text, config, rules): 59 61 "Check that the condition specified on input line is True (only CNF and DNF is supported)" 60 62 61 63 ctype = 'cnf' 62 64 63 if ( (')|' in text) or ('|(' in text)):65 if (')|' in text) or ('|(' in text): 64 66 ctype = 'dnf' 65 67 66 if (ctype == 'cnf'):68 if ctype == 'cnf': 67 69 conds = text.split('&') 68 70 else: … … 70 72 71 73 for cond in conds: 72 if (cond.startswith('(')) and (cond.endswith(')')):74 if cond.startswith('(') and cond.endswith(')'): 73 75 cond = cond[1:-1] 74 76 75 inside = check_inside(cond, defaults, ctype)77 inside = check_inside(cond, config, ctype) 76 78 77 79 if (ctype == 'cnf') and (not inside): 78 80 return False 79 81 80 if (ctype == 'dnf') and (inside):82 if (ctype == 'dnf') and inside: 81 83 return True 82 84 83 if (ctype == 'cnf'):85 if ctype == 'cnf': 84 86 return True 85 87 return False 86 88 87 def check_inside(text, defaults, ctype):89 def check_inside(text, config, ctype): 88 90 "Check for condition" 89 91 90 if (ctype == 'cnf'):92 if ctype == 'cnf': 91 93 conds = text.split('|') 92 94 else: … … 95 97 for cond in conds: 96 98 res = re.match(r'^(.*?)(!?=)(.*)$', cond) 97 if (not res):99 if not res: 98 100 raise RuntimeError("Invalid condition: %s" % cond) 99 101 … … 102 104 condval = res.group(3) 103 105 104 if (not defaults.has_key(condname)):106 if not condname in config: 105 107 varval = '' 106 108 else: 107 varval = defaults[condname]109 varval = config[condname] 108 110 if (varval == '*'): 109 111 varval = 'y' 110 112 111 if (ctype == 'cnf'):113 if ctype == 'cnf': 112 114 if (oper == '=') and (condval == varval): 113 115 return True … … 122 124 return False 123 125 124 if (ctype == 'cnf'):126 if ctype == 'cnf': 125 127 return False 126 128 127 129 return True 128 130 129 def parse_ config(fname, ask_names):130 "Parse configurationfile"131 132 inf = file(fname, 'r')131 def parse_rules(fname, rules): 132 "Parse rules file" 133 134 inf = open(fname, 'r') 133 135 134 136 name = '' … … 137 139 for line in inf: 138 140 139 if (line.startswith('!')):141 if line.startswith('!'): 140 142 # Ask a question 141 143 res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line) 142 144 143 if (not res):145 if not res: 144 146 raise RuntimeError("Weird line: %s" % line) 145 147 … … 148 150 vartype = res.group(3) 149 151 150 ask_names.append((varname, vartype, name, choices, cond))152 rules.append((varname, vartype, name, choices, cond)) 151 153 name = '' 152 154 choices = [] 153 155 continue 154 156 155 if (line.startswith('@')):157 if line.startswith('@'): 156 158 # Add new line into the 'choices' array 157 159 res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line) … … 163 165 continue 164 166 165 if (line.startswith('%')):167 if line.startswith('%'): 166 168 # Name of the option 167 169 name = line[1:].strip() 168 170 continue 169 171 170 if ((line.startswith('#')) or (line == '\n')):172 if line.startswith('#') or (line == '\n'): 171 173 # Comment or empty line 172 174 continue … … 180 182 "Return '*' if yes, ' ' if no" 181 183 182 if (default == 'y'):184 if default == 'y': 183 185 return '*' 184 186 … … 198 200 cnt = 0 199 201 for key, val in choices: 200 if ( (default) and (key == default)):202 if (default) and (key == default): 201 203 position = cnt 202 204 … … 206 208 (button, value) = xtui.choice_window(screen, name, 'Choose value', options, position) 207 209 208 if (button == 'cancel'):210 if button == 'cancel': 209 211 return None 210 212 211 213 return choices[value][0] 212 214 213 def 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))): 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)): 218 233 continue 219 234 220 if (not defaults.has_key(varname)): 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: 221 254 return False 222 255 223 256 return True 224 257 225 def create_output(mkname, mcname, dfname, defaults, ask_names): 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): 226 347 "Create output configuration" 227 348 228 349 timestamp = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 229 version = subprocess.Popen(['bzr', 'version-info', '--custom', '--template={clean}:{revno}:{revision_id}'], stdout = subprocess.PIPE).communicate()[0].split(':') 230 231 if (len(version) == 3): 350 351 sys.stderr.write("Fetching current revision identifier ... ") 352 353 try: 354 version = subprocess.Popen(['bzr', 'version-info', '--custom', '--template={clean}:{revno}:{revision_id}'], stdout = subprocess.PIPE).communicate()[0].decode().split(':') 355 sys.stderr.write("ok\n") 356 except: 357 version = [1, "unknown", "unknown"] 358 sys.stderr.write("failed\n") 359 360 if len(version) == 3: 232 361 revision = version[1] 233 if (version[0] != 1):362 if version[0] != 1: 234 363 revision += 'M' 235 364 revision += ' (%s)' % version[2] … … 237 366 revision = None 238 367 239 outmk = file(mkname, 'w') 240 outmc = file(mcname, 'w') 241 outdf = file(dfname, 'w') 368 outmk = open(mkname, 'w') 369 outmc = open(mcname, 'w') 242 370 243 371 outmk.write('#########################################\n') … … 249 377 outmc.write(' ***************************************/\n\n') 250 378 251 outdf.write('#########################################\n') 252 outdf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n') 253 outdf.write('#########################################\n\n') 254 outdf.write('CONFIG_DEFS =') 255 256 for varname, vartype, name, choices, cond in ask_names: 257 if ((cond) and (not check_condition(cond, defaults, ask_names))): 379 defs = 'CONFIG_DEFS =' 380 381 for varname, vartype, name, choices, cond in rules: 382 if cond and (not check_condition(cond, config, rules)): 258 383 continue 259 384 260 if (not defaults.has_key(varname)):261 default= ''385 if not varname in config: 386 value = '' 262 387 else: 263 default = defaults[varname]264 if ( default== '*'):265 default= 'y'266 267 outmk.write('# %s\n%s = %s\n\n' % (name, varname, default))268 269 if ((vartype == "y") or (vartype == "n") or (vartype == "y/n") or (vartype == "n/y")):270 if (default == "y"):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": 271 396 outmc.write('/* %s */\n#define %s\n\n' % (name, varname)) 272 outdf.write(' -D%s' % varname)397 defs += ' -D%s' % varname 273 398 else: 274 outmc.write('/* %s */\n#define %s %s\n#define %s_%s\n\n' % (name, varname, default, varname, default))275 outdf.write(' -D%s=%s -D%s_%s' % (varname, default, varname, default))276 277 if (revision is not None):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: 278 403 outmk.write('REVISION = %s\n' % revision) 279 404 outmc.write('#define REVISION %s\n' % revision) 280 outdf.write(' "-DREVISION=%s"' % revision)405 defs += ' "-DREVISION=%s"' % revision 281 406 282 407 outmk.write('TIMESTAMP = %s\n' % timestamp) 283 408 outmc.write('#define TIMESTAMP %s\n' % timestamp) 284 outdf.write(' "-DTIMESTAMP=%s"\n' % timestamp) 409 defs += ' "-DTIMESTAMP=%s"\n' % timestamp 410 411 outmk.write(defs) 285 412 286 413 outmk.close() 287 414 outmc.close() 288 outdf.close()289 415 290 416 def sorted_dir(root): … … 293 419 return list 294 420 295 def read_preconfigured(root, fname, screen, defaults): 421 ## Ask user to choose a configuration profile. 422 # 423 def choose_profile(root, fname, screen, config): 296 424 options = [] 297 425 opt2path = {} … … 303 431 canon = os.path.join(path, fname) 304 432 305 if ((os.path.isdir(path)) and (os.path.exists(canon)) and (os.path.isfile(canon))):433 if os.path.isdir(path) and os.path.exists(canon) and os.path.isfile(canon): 306 434 subprofile = False 307 435 … … 311 439 subcanon = os.path.join(subpath, fname) 312 440 313 if ((os.path.isdir(subpath)) and (os.path.exists(subcanon)) and (os.path.isfile(subcanon))):441 if os.path.isdir(subpath) and os.path.exists(subcanon) and os.path.isfile(subcanon): 314 442 subprofile = True 315 443 options.append("%s (%s)" % (name, subname)) 316 opt2path[cnt] = (canon, subcanon)444 opt2path[cnt] = [name, subname] 317 445 cnt += 1 318 446 319 if (not subprofile):447 if not subprofile: 320 448 options.append(name) 321 opt2path[cnt] = (canon, None)449 opt2path[cnt] = [name] 322 450 cnt += 1 323 451 324 452 (button, value) = xtui.choice_window(screen, 'Load preconfigured defaults', 'Choose configuration profile', options, None) 325 453 326 if (button == 'cancel'):454 if button == 'cancel': 327 455 return None 328 456 329 read_defaults(opt2path[value][0], defaults) 330 if (opt2path[value][1] != None): 331 read_defaults(opt2path[value][1], defaults) 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 332 486 333 487 def main(): 334 defaults = {} 335 ask_names = [] 336 337 # Parse configuration file 338 parse_config(INPUT, ask_names) 339 340 # Read defaults from previous run 341 if os.path.exists(MAKEFILE): 342 read_defaults(MAKEFILE, defaults) 343 344 # Default mode: only check defaults and regenerate configuration 345 if ((len(sys.argv) >= 3) and (sys.argv[2] == 'default')): 346 if (check_choices(defaults, ask_names)): 347 create_output(MAKEFILE, MACROS, DEFS, defaults, ask_names) 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) 348 507 return 0 349 508 350 # Check mode: only check defaults 351 if ((len(sys.argv) >= 3) and (sys.argv[2] == 'check')): 352 if (check_choices(defaults, ask_names)): 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): 353 528 return 0 354 529 return 1 … … 360 535 while True: 361 536 362 # Cancel out all defaults which have to be deduced363 for varname, vartype, name, choices, cond in ask_names:364 if ( (vartype == 'y') and (defaults.has_key(varname)) and (defaults[varname] == '*')):365 defaults[varname] = None537 # Cancel out all values which have to be deduced 538 for varname, vartype, name, choices, cond in rules: 539 if (vartype == 'y') and (varname in config) and (config[varname] == '*'): 540 config[varname] = None 366 541 367 542 options = [] … … 371 546 options.append(" --- Load preconfigured defaults ... ") 372 547 373 for varname, vartype, name, choices, cond in ask_names: 374 375 if ((cond) and (not check_condition(cond, defaults, ask_names))): 548 for rule in rules: 549 varname, vartype, name, choices, cond = rule 550 551 if cond and (not check_condition(cond, config, rules)): 376 552 continue 377 553 378 if (varname == selname):554 if varname == selname: 379 555 position = cnt 380 556 381 if (not defaults.has_key(varname)):382 default= None557 if not varname in config: 558 value = None 383 559 else: 384 default = defaults[varname]385 386 if (vartype == 'choice'):387 # Check if the default is an acceptable value388 if ((default) and (not default in [choice[0] for choice in choices])):389 default = None390 defaults.pop(varname) 391 392 # If there is just one option, use it393 if (len(choices) == 1):394 defaults[varname] = choices[0][0]395 continue396 397 if (default == None):398 options.append("? %s --> " % name)399 else:400 options.append(" %s [%s] --> " % (name, default))401 elif (vartype == 'y'):402 defaults[varname] = '*'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) 578 else: 403 579 continue 404 elif (vartype == 'n'):405 defaults[varname] = 'n'406 continue407 elif (vartype == 'y/n'):408 if (default == None):409 default = 'y'410 defaults[varname] = default411 options.append(" <%s> %s " % (yes_no(default), name))412 elif (vartype == 'n/y'):413 if (default == None):414 default = 'n'415 defaults[varname] = default416 options.append(" <%s> %s " % (yes_no(default), name))417 else:418 raise RuntimeError("Unknown variable type: %s" % vartype)419 580 420 581 opt2row[cnt] = (varname, vartype, name, choices) … … 422 583 cnt += 1 423 584 424 if (position >= options):585 if (position != None) and (position >= len(options)): 425 586 position = None 426 587 427 588 (button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position) 428 589 429 if (button == 'cancel'):590 if button == 'cancel': 430 591 return 'Configuration canceled' 431 592 432 if (button == 'done'):433 if ( check_choices(defaults, ask_names)):593 if button == 'done': 594 if (infer_verify_choices(config, rules)): 434 595 break 435 596 else: … … 437 598 continue 438 599 439 if (value == 0): 440 read_preconfigured(PRECONF, MAKEFILE, screen, defaults) 600 if value == 0: 601 profile = choose_profile(PRESETS_DIR, MAKEFILE, screen, config) 602 if profile != None: 603 read_presets(profile, config) 441 604 position = 1 442 605 continue 443 606 444 607 position = None 445 if (not opt2row.has_key(value)):608 if not value in opt2row: 446 609 raise RuntimeError("Error selecting value: %s" % value) 447 610 448 611 (selname, seltype, name, choices) = opt2row[value] 449 612 450 if (not defaults.has_key(selname)):451 default= None613 if not selname in config: 614 value = None 452 615 else: 453 default = defaults[selname]454 455 if (seltype == 'choice'):456 defaults[selname] = subchoice(screen, name, choices, default)457 elif ( (seltype == 'y/n') or (seltype == 'n/y')):458 if (defaults[selname] == 'y'):459 defaults[selname] = 'n'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' 460 623 else: 461 defaults[selname] = 'y'624 config[selname] = 'y' 462 625 finally: 463 626 xtui.screen_done(screen) 464 627 465 create_output(MAKEFILE, MACROS, DEFS, defaults, ask_names)628 create_output(MAKEFILE, MACROS, config, rules) 466 629 return 0 467 630
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