1import sys 2if not hasattr(sys, 'version_info'): 3 print '*** Python version 1 is not supported. Please get the latest version from www.python.org ***' 4 sys.exit(4) 5 6import cPickle 7 8try: 9 import subprocess 10 USE_SUBPROCESS = 1 11except ImportError: 12 USE_SUBPROCESS = 0 13 14# Some features related to detecting login failures cannot be easily 15# implemented with the 'subprocess' module. Disable it for now ... 16USE_SUBPROCESS = 0 17# In Python 2.6 and above, the 'popen2' module is deprecated 18if sys.version_info[:2] >= (2, 6) and not USE_SUBPROCESS: 19 import warnings 20 warnings.filterwarnings('ignore', category=DeprecationWarning, module=__name__) 21 22import nargs 23useThreads = nargs.Arg.findArgument('useThreads', sys.argv[1:]) 24if useThreads is None: 25 useThreads = 0 # workaround issue with parallel configure 26elif useThreads == 'no' or useThreads == '0': 27 useThreads = 0 28elif useThreads == 'yes' or useThreads == '1': 29 useThreads = 1 30else: 31 raise RuntimeError('Unknown option value for --useThreads ',useThreads) 32 33useSelect = nargs.Arg.findArgument('useSelect', sys.argv[1:]) 34if useSelect is None: 35 useSelect = 1 36elif useSelect == 'no' or useSelect == '0': 37 useSelect = 0 38elif useSelect == 'yes' or useSelect == '1': 39 useSelect = 1 40else: 41 raise RuntimeError('Unknown option value for --useSelect ',useSelect) 42 43import logger 44 45class Script(logger.Logger): 46 def __init__(self, clArgs = None, argDB = None, log = None): 47 self.checkPython() 48 logger.Logger.__init__(self, clArgs, argDB, log) 49 self.shell = '/bin/sh' 50 self.showHelp = 1 51 return 52 53 def hasHelpFlag(self): 54 '''Decide whether to display the help message and exit''' 55 import nargs 56 57 if not self.showHelp: 58 return 0 59 if nargs.Arg.findArgument('help', self.clArgs) is None and nargs.Arg.findArgument('h', self.clArgs) is None: 60 return 0 61 return 1 62 63 def hasListFlag(self): 64 '''Decide whether to display the list of download files and exit''' 65 import nargs 66 67 if not self.showHelp: 68 return 0 69 if nargs.Arg.findArgument('with-packages-dir', self.clArgs) is None: 70 return 0 71 return 1 72 73 def setupArguments(self, argDB): 74 '''This method now also creates the help and action logs''' 75 import help 76 77 argDB = logger.Logger.setupArguments(self, argDB) 78 79 self.help = help.Help(argDB) 80 self.help.title = 'Script Help' 81 82 self.actions = help.Info(argDB) 83 self.actions.title = 'Script Actions' 84 85 self.setupHelp(self.help) 86 return argDB 87 88 def setupHelp(self, help): 89 '''This method should be overidden to provide help for arguments''' 90 import nargs 91 92 help.addArgument('Script', '-help', nargs.ArgBool(None, 0, 'Print this help message', isTemporary = 1), ignoreDuplicates = 1) 93 help.addArgument('Script', '-with-packages-dir', nargs.ArgDir(None,None, 'Directory to store downloaded external package tarballs', isTemporary = 1), ignoreDuplicates = 1) 94 help.addArgument('Script', '-h', nargs.ArgBool(None, 0, 'Print this help message', isTemporary = 1), ignoreDuplicates = 1) 95 return help 96 97 def setup(self): 98 ''' This method checks to see whether help was requested''' 99 if hasattr(self, '_setup'): 100 return 101 logger.Logger.setup(self) 102 self._setup = 1 103 if self.hasHelpFlag(): 104 self.argDB.readonly = True 105 if self.argDB.target == ['default']: 106 sections = None 107 else: 108 sections = self.argDB.target 109 self.help.output(sections = sections) 110 sys.exit() 111 if self.hasListFlag(): 112 self.help.outputDownload() 113 return 114 115 def cleanup(self): 116 '''This method outputs the action log''' 117 self.actions.output(self.log) 118 return 119 120 def checkPython(self): 121 if not hasattr(sys, 'version_info') or float(sys.version_info[0]) != 2 or float(sys.version_info[1]) < 6: 122 raise RuntimeError('BuildSystem requires Python2 version 2.6 or higher. Get Python at http://www.python.org') 123 return 124 125 def getModule(root, name): 126 '''Retrieve a specific module from the directory root, bypassing the usual paths''' 127 import imp 128 129 (fp, pathname, description) = imp.find_module(name, [root]) 130 try: 131 return imp.load_module(name, fp, pathname, description) 132 finally: 133 if fp: fp.close() 134 return 135 getModule = staticmethod(getModule) 136 137 def importModule(moduleName): 138 '''Import the named module, and return the module object 139 - Works properly for fully qualified names''' 140 module = __import__(moduleName) 141 components = moduleName.split('.') 142 for comp in components[1:]: 143 module = getattr(module, comp) 144 return module 145 importModule = staticmethod(importModule) 146 147 if USE_SUBPROCESS: 148 149 def runShellCommand(command, log=None, cwd=None): 150 Popen = subprocess.Popen 151 PIPE = subprocess.PIPE 152 if log: log.write('Executing: %s\n' % (command,)) 153 pipe = Popen(command, cwd=cwd, stdin=None, stdout=PIPE, stderr=PIPE, 154 bufsize=-1, shell=True, universal_newlines=True) 155 (out, err) = pipe.communicate() 156 ret = pipe.returncode 157 return (out, err, ret) 158 159 else: 160 161 def openPipe(command): 162 '''We need to use the asynchronous version here since we want to avoid blocking reads''' 163 import popen2 164 165 pipe = None 166 if hasattr(popen2, 'Popen3'): 167 pipe = popen2.Popen3(command, 1) 168 input = pipe.tochild 169 output = pipe.fromchild 170 err = pipe.childerr 171 else: 172 import os 173 (input, output, err) = os.popen3(command) 174 return (input, output, err, pipe) 175 openPipe = staticmethod(openPipe) 176 177 def runShellCommand(command, log = None, cwd = None): 178 import select, os 179 180 ret = None 181 out = '' 182 err = '' 183 loginError = 0 184 if cwd is not None: 185 oldpath = os.getcwd() 186 os.chdir(cwd) 187 if log: log.write('Executing: %s\n' % (command,)) 188 (input, output, error, pipe) = Script.openPipe(command) 189 if cwd is not None: 190 os.chdir(oldpath) 191 input.close() 192 if useSelect: 193 outputClosed = 0 194 errorClosed = 0 195 lst = [output, error] 196 while 1: 197 try: 198 ready = select.select(lst, [], []) 199 except Exception, e: 200 if log: log.write('** Error calling select() : '+str(e)+'\n') 201 continue 202 if len(ready[0]): 203 if error in ready[0]: 204 msg = error.readline() 205 if msg: 206 err += msg 207 else: 208 errorClosed = 1 209 lst.remove(error) 210 if output in ready[0]: 211 msg = output.readline() 212 if msg: 213 out += msg 214 else: 215 outputClosed = 1 216 lst.remove(output) 217 if msg and msg.find('password:') >= 0: 218 loginError = 1 219 break 220 if outputClosed and errorClosed: 221 break 222 else: 223 out = output.read() 224 err = error.read() 225 output.close() 226 error.close() 227 if pipe: 228 # We would like the NOHANG argument here 229 ret = pipe.wait() 230 if loginError: 231 raise RuntimeError('Could not login to site') 232 return (out, err, ret) 233 234 runShellCommand = staticmethod(runShellCommand) 235 236 def defaultCheckCommand(command, status, output, error): 237 '''Raise an error if the exit status is nonzero''' 238 if status: raise RuntimeError('Could not execute "%s":\n%s' % (command,output+error)) 239 defaultCheckCommand = staticmethod(defaultCheckCommand) 240 241 def executeShellCommand(command, checkCommand = None, timeout = 600.0, log = None, lineLimit = 0, cwd=None): 242 '''Execute a shell command returning the output, and optionally provide a custom error checker 243 - This returns a tuple of the (output, error, statuscode)''' 244 if not checkCommand: 245 checkCommand = Script.defaultCheckCommand 246 if log is None: 247 log = logger.Logger.defaultLog 248 def logOutput(log, output): 249 import re 250 # get rid of multiple blank lines 251 output = re.sub('\n+','\n', output).strip() 252 if output: 253 if lineLimit: 254 output = '\n'.join(output.split('\n')[:lineLimit]) 255 if '\n' in output: # multi-line output 256 log.write('stdout:\n'+output+'\n') 257 else: 258 log.write('stdout: '+output+'\n') 259 return output 260 def runInShell(command, log, cwd): 261 if useThreads: 262 import threading 263 class InShell(threading.Thread): 264 def __init__(self): 265 threading.Thread.__init__(self) 266 self.name = 'Shell Command' 267 self.setDaemon(1) 268 def run(self): 269 (self.output, self.error, self.status) = ('', '', -1) # So these fields exist even if command fails with no output 270 (self.output, self.error, self.status) = Script.runShellCommand(command, log, cwd) 271 thread = InShell() 272 thread.start() 273 thread.join(timeout) 274 if thread.isAlive(): 275 error = 'Runaway process exceeded time limit of '+str(timeout)+'s\n' 276 log.write(error) 277 return ('', error, -1) 278 else: 279 return (thread.output, thread.error, thread.status) 280 else: 281 return Script.runShellCommand(command, log, cwd) 282 283 (output, error, status) = runInShell(command, log, cwd) 284 output = logOutput(log, output) 285 checkCommand(command, status, output, error) 286 return (output, error, status) 287 executeShellCommand = staticmethod(executeShellCommand) 288 289 def loadConfigure(self, argDB = None): 290 if argDB is None: 291 argDB = self.argDB 292 if not 'configureCache' in argDB: 293 self.logPrint('No cached configure in RDict at '+str(argDB.saveFilename)) 294 return None 295 try: 296 cache = argDB['configureCache'] 297 framework = cPickle.loads(cache) 298 framework.framework = framework 299 framework.argDB = argDB 300 self.logPrint('Loaded configure to cache: size '+str(len(cache))) 301 except cPickle.UnpicklingError, e: 302 framework = None 303 self.logPrint('Invalid cached configure: '+str(e)) 304 return framework 305 306import args 307 308class LanguageProcessor(args.ArgumentProcessor): 309 def __init__(self, clArgs = None, argDB = None, framework = None, versionControl = None): 310 self.languageModule = {} 311 self.preprocessorObject = {} 312 self.compilerObject = {} 313 self.linkerObject = {} 314 self.sharedLinkerObject = {} 315 self.dynamicLinkerObject = {} 316 self.framework = framework 317 self.versionControl = versionControl 318 args.ArgumentProcessor.__init__(self, clArgs, argDB) 319 self.outputFiles = {} 320 self.modulePath = 'config.compile' 321 return 322 323 def getCompilers(self): 324 if self.framework is None: 325 return 326 return self.framework.require('config.compilers', None) 327 compilers = property(getCompilers, doc = 'The config.compilers configure object') 328 def getLibraries(self): 329 if self.framework is None: 330 return 331 return self.framework.require('config.libraries', None) 332 libraries = property(getLibraries, doc = 'The config.libraries configure object') 333 334 def __getstate__(self, d = None): 335 '''We only want to pickle the language module names and output files. The other objects are set by configure.''' 336 if d is None: 337 d = args.ArgumentProcessor.__getstate__(self) 338 if 'languageModule' in d: 339 d['languageModule'] = dict([(lang,mod._loadName) for lang,mod in d['languageModule'].items()]) 340 for member in ['preprocessorObject', 'compilerObject', 'linkerObject', 'sharedLinkerObject', 'dynamicLinkerObject', 'framework']: 341 if member in d: 342 del d[member] 343 return d 344 345 def __setstate__(self, d): 346 '''We must create the language modules''' 347 args.ArgumentProcessor.__setstate__(self, d) 348 self.__dict__.update(d) 349 [self.getLanguageModule(language, moduleName) for language,moduleName in self.languageModule.items()] 350 self.preprocessorObject = {} 351 self.compilerObject = {} 352 self.linkerObject = {} 353 self.sharedLinkerObject = {} 354 self.dynamicLinkerObject = {} 355 return 356 357 def setArgDB(self, argDB): 358 args.ArgumentProcessor.setArgDB(self, argDB) 359 for obj in self.preprocessorObject.values(): 360 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 361 obj.argDB = argDB 362 for obj in self.compilerObject.values(): 363 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 364 obj.argDB = argDB 365 for obj in self.linkerObject.values(): 366 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 367 obj.argDB = argDB 368 for obj in self.sharedLinkerObject.values(): 369 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 370 obj.argDB = argDB 371 for obj in self.dynamicLinkerObject.values(): 372 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 373 obj.argDB = argDB 374 if not self.compilers is None: 375 self.compilers.argDB = argDB 376 for obj in self.preprocessorObject.values(): 377 if hasattr(obj, 'configCompilers'): 378 obj.configCompilers.argDB = argDB 379 for obj in self.compilerObject.values(): 380 if hasattr(obj, 'configCompilers'): 381 obj.configCompilers.argDB = argDB 382 for obj in self.linkerObject.values(): 383 if hasattr(obj, 'configCompilers'): 384 obj.configCompilers.argDB = argDB 385 for obj in self.sharedLinkerObject.values(): 386 if hasattr(obj, 'configCompilers'): 387 obj.configCompilers.argDB = argDB 388 for obj in self.dynamicLinkerObject.values(): 389 if hasattr(obj, 'configCompilers'): 390 obj.configCompilers.argDB = argDB 391 if not self.libraries is None: 392 self.libraries.argDB = argDB 393 for obj in self.linkerObject.values(): 394 if hasattr(obj, 'configLibraries'): 395 obj.configLibraries.argDB = argDB 396 for obj in self.sharedLinkerObject.values(): 397 if hasattr(obj, 'configLibraries'): 398 obj.configLibraries.argDB = argDB 399 for obj in self.dynamicLinkerObject.values(): 400 if hasattr(obj, 'configLibraries'): 401 obj.configLibraries.argDB = argDB 402 return 403 argDB = property(args.ArgumentProcessor.getArgDB, setArgDB, doc = 'The RDict argument database') 404 405 def getLanguageModule(self, language, moduleName = None): 406 '''Return the module associated with operations for a given language 407 - Giving a moduleName explicitly forces a reimport''' 408 if not language in self.languageModule or not moduleName is None: 409 try: 410 if moduleName is None: 411 moduleName = self.modulePath+'.'+language 412 module = __import__(moduleName) 413 except ImportError, e: 414 if not moduleName is None: 415 self.logPrint('Failure to find language module: '+str(e)) 416 try: 417 moduleName = self.modulePath+'.'+language 418 module = __import__(moduleName) 419 except ImportError, e: 420 self.logPrint('Failure to find language module: '+str(e)) 421 moduleName = 'config.compile.'+language 422 module = __import__(moduleName) 423 components = moduleName.split('.') 424 for component in components[1:]: 425 module = getattr(module, component) 426 module._loadName = moduleName 427 self.languageModule[language] = module 428 return self.languageModule[language] 429 430 def getPreprocessorObject(self, language): 431 if not language in self.preprocessorObject: 432 self.preprocessorObject[language] = self.getLanguageModule(language).Preprocessor(self.argDB) 433 self.preprocessorObject[language].setup() 434 if not self.compilers is None: 435 self.preprocessorObject[language].configCompilers = self.compilers 436 if not self.versionControl is None: 437 self.preprocessorObject[language].versionControl = self.versionControl 438 return self.preprocessorObject[language] 439 440 def setPreprocessorObject(self, language, preprocessor): 441 self.preprocessorObject[language] = preprocessor 442 return self.getPreprocessorObject(language) 443 444 def getCompilerObject(self, language): 445 if not language in self.compilerObject: 446 self.compilerObject[language] = self.getLanguageModule(language).Compiler(self.argDB) 447 self.compilerObject[language].setup() 448 if not self.compilers is None: 449 self.compilerObject[language].configCompilers = self.compilers 450 if not self.versionControl is None: 451 self.compilerObject[language].versionControl = self.versionControl 452 return self.compilerObject[language] 453 454 def setCompilerObject(self, language, compiler): 455 self.compilerObject[language] = compiler 456 return self.getCompilerObject(language) 457 458 def getLinkerObject(self, language): 459 if not language in self.linkerObject: 460 self.linkerObject[language] = self.getLanguageModule(language).Linker(self.argDB) 461 self.linkerObject[language].setup() 462 if not self.compilers is None: 463 self.linkerObject[language].configCompilers = self.compilers 464 if not self.libraries is None: 465 self.linkerObject[language].configLibraries = self.libraries 466 if not self.versionControl is None: 467 self.linkerObject[language].versionControl = self.versionControl 468 return self.linkerObject[language] 469 470 def setLinkerObject(self, language, linker): 471 self.linkerObject[language] = linker 472 return self.getLinkerObject(language) 473 474 def getSharedLinkerObject(self, language): 475 if not language in self.sharedLinkerObject: 476 self.sharedLinkerObject[language] = self.getLanguageModule(language).SharedLinker(self.argDB) 477 self.sharedLinkerObject[language].setup() 478 if not self.compilers is None: 479 self.sharedLinkerObject[language].configCompilers = self.compilers 480 if not self.libraries is None: 481 self.sharedLinkerObject[language].configLibraries = self.libraries 482 if not self.versionControl is None: 483 self.sharedLinkerObject[language].versionControl = self.versionControl 484 return self.sharedLinkerObject[language] 485 486 def setSharedLinkerObject(self, language, linker): 487 self.sharedLinkerObject[language] = linker 488 return self.getSharedLinkerObject(language) 489 490 def getDynamicLinkerObject(self, language): 491 if not language in self.dynamicLinkerObject: 492 self.dynamicLinkerObject[language] = self.getLanguageModule(language).DynamicLinker(self.argDB) 493 self.dynamicLinkerObject[language].setup() 494 if not self.compilers is None: 495 self.dynamicLinkerObject[language].configCompilers = self.compilers 496 if not self.libraries is None: 497 self.dynamicLinkerObject[language].configLibraries = self.libraries 498 if not self.versionControl is None: 499 self.dynamicLinkerObject[language].versionControl = self.versionControl 500 return self.dynamicLinkerObject[language] 501 502 def setDynamicLinkerObject(self, language, linker): 503 self.dynamicLinkerObject[language] = linker 504 return self.getDynamicLinkerObject(language) 505