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 = 1 26else: 27 useThreads = int(useThreads) 28 29useSelect = nargs.Arg.findArgument('useSelect', sys.argv[1:]) 30if useSelect is None: 31 useSelect = 1 32else: 33 useSelect = int(useSelect) 34 35import logger 36 37class Script(logger.Logger): 38 def __init__(self, clArgs = None, argDB = None, log = None): 39 self.checkPython() 40 logger.Logger.__init__(self, clArgs, argDB, log) 41 self.shell = '/bin/sh' 42 self.showHelp = 1 43 return 44 45 def hasHelpFlag(self): 46 '''Decide whether to display the help message and exit''' 47 import nargs 48 49 if not self.showHelp: 50 return 0 51 if nargs.Arg.findArgument('help', self.clArgs) is None and nargs.Arg.findArgument('h', self.clArgs) is None: 52 return 0 53 return 1 54 55 def setupArguments(self, argDB): 56 '''This method now also creates the help and action logs''' 57 import help 58 59 argDB = logger.Logger.setupArguments(self, argDB) 60 61 self.help = help.Help(argDB) 62 self.help.title = 'Script Help' 63 64 self.actions = help.Info(argDB) 65 self.actions.title = 'Script Actions' 66 67 self.setupHelp(self.help) 68 return argDB 69 70 def setupHelp(self, help): 71 '''This method should be overidden to provide help for arguments''' 72 import nargs 73 74 help.addArgument('Script', '-help', nargs.ArgBool(None, 0, 'Print this help message', isTemporary = 1), ignoreDuplicates = 1) 75 help.addArgument('Script', '-h', nargs.ArgBool(None, 0, 'Print this help message', isTemporary = 1), ignoreDuplicates = 1) 76 return help 77 78 def setup(self): 79 ''' This method checks to see whether help was requested''' 80 if hasattr(self, '_setup'): 81 return 82 logger.Logger.setup(self) 83 self._setup = 1 84 if self.hasHelpFlag(): 85 if self.argDB.target == ['default']: 86 sections = None 87 else: 88 sections = self.argDB.target 89 self.help.output(sections = sections) 90 sys.exit() 91 return 92 93 def cleanup(self): 94 '''This method outputs the action log''' 95 self.actions.output(self.log) 96 return 97 98 def checkPython(self): 99 if not hasattr(sys, 'version_info') or float(sys.version_info[0]) != 2 or float(sys.version_info[1]) < 4: 100 raise RuntimeError('BuildSystem requires Python2 version 2.4 or higher. Get Python at http://www.python.org') 101 return 102 103 def getModule(root, name): 104 '''Retrieve a specific module from the directory root, bypassing the usual paths''' 105 import imp 106 107 (fp, pathname, description) = imp.find_module(name, [root]) 108 try: 109 return imp.load_module(name, fp, pathname, description) 110 finally: 111 if fp: fp.close() 112 return 113 getModule = staticmethod(getModule) 114 115 def importModule(moduleName): 116 '''Import the named module, and return the module object 117 - Works properly for fully qualified names''' 118 module = __import__(moduleName) 119 components = moduleName.split('.') 120 for comp in components[1:]: 121 module = getattr(module, comp) 122 return module 123 importModule = staticmethod(importModule) 124 125 if USE_SUBPROCESS: 126 127 def runShellCommand(command, log=None, cwd=None): 128 Popen = subprocess.Popen 129 PIPE = subprocess.PIPE 130 if log: log.write('Executing: %s\n' % (command,)) 131 pipe = Popen(command, cwd=cwd, stdin=None, stdout=PIPE, stderr=PIPE, 132 bufsize=-1, shell=True, universal_newlines=True) 133 (out, err) = pipe.communicate() 134 ret = pipe.returncode 135 return (out, err, ret) 136 137 else: 138 139 def openPipe(command): 140 '''We need to use the asynchronous version here since we want to avoid blocking reads''' 141 import popen2 142 143 pipe = None 144 if hasattr(popen2, 'Popen3'): 145 pipe = popen2.Popen3(command, 1) 146 input = pipe.tochild 147 output = pipe.fromchild 148 err = pipe.childerr 149 else: 150 import os 151 (input, output, err) = os.popen3(command) 152 return (input, output, err, pipe) 153 openPipe = staticmethod(openPipe) 154 155 def runShellCommand(command, log = None, cwd = None): 156 import select, os 157 158 ret = None 159 out = '' 160 err = '' 161 loginError = 0 162 if cwd is not None: 163 oldpath = os.getcwd() 164 os.chdir(cwd) 165 if log: log.write('Executing: %s\n' % (command,)) 166 (input, output, error, pipe) = Script.openPipe(command) 167 if cwd is not None: 168 os.chdir(oldpath) 169 input.close() 170 if useSelect: 171 outputClosed = 0 172 errorClosed = 0 173 lst = [output, error] 174 while 1: 175 ready = select.select(lst, [], []) 176 if len(ready[0]): 177 if error in ready[0]: 178 msg = error.readline() 179 if msg: 180 err += msg 181 else: 182 errorClosed = 1 183 lst.remove(error) 184 if output in ready[0]: 185 msg = output.readline() 186 if msg: 187 out += msg 188 else: 189 outputClosed = 1 190 lst.remove(output) 191 if out.find('password:') >= 0 or err.find('password:') >= 0: 192 loginError = 1 193 break 194 if outputClosed and errorClosed: 195 break 196 else: 197 out = output.read() 198 err = error.read() 199 output.close() 200 error.close() 201 if pipe: 202 # We would like the NOHANG argument here 203 ret = pipe.wait() 204 if loginError: 205 raise RuntimeError('Could not login to site') 206 return (out, err, ret) 207 208 runShellCommand = staticmethod(runShellCommand) 209 210 def defaultCheckCommand(command, status, output, error): 211 '''Raise an error if the exit status is nonzero''' 212 if status: raise RuntimeError('Could not execute "%s":\n%s' % (command,output+error)) 213 defaultCheckCommand = staticmethod(defaultCheckCommand) 214 215 def executeShellCommand(command, checkCommand = None, timeout = 600.0, log = None, lineLimit = 0, cwd=None): 216 '''Execute a shell command returning the output, and optionally provide a custom error checker 217 - This returns a tuple of the (output, error, statuscode)''' 218 if not checkCommand: 219 checkCommand = Script.defaultCheckCommand 220 if log is None: 221 log = logger.Logger.defaultLog 222 def logOutput(log, output): 223 import re 224 # get rid of multiple blank lines 225 output = re.sub('\n[\n]*','\n', output) 226 if lineLimit: 227 output = '\n'.join(output.split('\n')[:lineLimit]) 228 log.write('sh: '+output+'\n') 229 return output 230 def runInShell(command, log, cwd): 231 if useThreads: 232 import threading 233 class InShell(threading.Thread): 234 def __init__(self): 235 threading.Thread.__init__(self) 236 self.name = 'Shell Command' 237 self.setDaemon(1) 238 def run(self): 239 (self.output, self.error, self.status) = ('', '', -1) # So these fields exist even if command fails with no output 240 (self.output, self.error, self.status) = Script.runShellCommand(command, log, cwd) 241 thread = InShell() 242 thread.start() 243 thread.join(timeout) 244 if thread.isAlive(): 245 error = 'Runaway process exceeded time limit of '+str(timeout)+'s\n' 246 log.write(error) 247 return ('', error, -1) 248 else: 249 return (thread.output, thread.error, thread.status) 250 else: 251 return Script.runShellCommand(command, log, cwd) 252 253 (output, error, status) = runInShell(command, log, cwd) 254 output = logOutput(log, output) 255 checkCommand(command, status, output, error) 256 return (output, error, status) 257 executeShellCommand = staticmethod(executeShellCommand) 258 259 def loadConfigure(self, argDB = None): 260 if argDB is None: 261 argDB = self.argDB 262 if not 'configureCache' in argDB: 263 self.logPrint('No cached configure in RDict at '+str(argDB.saveFilename)) 264 return None 265 try: 266 cache = argDB['configureCache'] 267 framework = cPickle.loads(cache) 268 framework.framework = framework 269 framework.argDB = argDB 270 self.logPrint('Loaded configure to cache: size '+str(len(cache))) 271 except cPickle.UnpicklingError, e: 272 framework = None 273 self.logPrint('Invalid cached configure: '+str(e)) 274 return framework 275 276import args 277 278class LanguageProcessor(args.ArgumentProcessor): 279 def __init__(self, clArgs = None, argDB = None, framework = None, versionControl = None): 280 self.languageModule = {} 281 self.preprocessorObject = {} 282 self.compilerObject = {} 283 self.linkerObject = {} 284 self.sharedLinkerObject = {} 285 self.dynamicLinkerObject = {} 286 self.framework = framework 287 self.versionControl = versionControl 288 args.ArgumentProcessor.__init__(self, clArgs, argDB) 289 self.outputFiles = {} 290 self.modulePath = 'config.compile' 291 return 292 293 def getCompilers(self): 294 if self.framework is None: 295 return 296 return self.framework.require('config.compilers', None) 297 compilers = property(getCompilers, doc = 'The config.compilers configure object') 298 def getLibraries(self): 299 if self.framework is None: 300 return 301 return self.framework.require('config.libraries', None) 302 libraries = property(getLibraries, doc = 'The config.libraries configure object') 303 304 def __getstate__(self, d = None): 305 '''We only want to pickle the language module names and output files. The other objects are set by configure.''' 306 if d is None: 307 d = args.ArgumentProcessor.__getstate__(self) 308 if 'languageModule' in d: 309 d['languageModule'] = dict([(lang,mod._loadName) for lang,mod in d['languageModule'].items()]) 310 for member in ['preprocessorObject', 'compilerObject', 'linkerObject', 'sharedLinkerObject', 'dynamicLinkerObject', 'framework']: 311 if member in d: 312 del d[member] 313 return d 314 315 def __setstate__(self, d): 316 '''We must create the language modules''' 317 args.ArgumentProcessor.__setstate__(self, d) 318 self.__dict__.update(d) 319 [self.getLanguageModule(language, moduleName) for language,moduleName in self.languageModule.items()] 320 self.preprocessorObject = {} 321 self.compilerObject = {} 322 self.linkerObject = {} 323 self.sharedLinkerObject = {} 324 self.dynamicLinkerObject = {} 325 return 326 327 def setArgDB(self, argDB): 328 args.ArgumentProcessor.setArgDB(self, argDB) 329 for obj in self.preprocessorObject.values(): 330 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 331 obj.argDB = argDB 332 for obj in self.compilerObject.values(): 333 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 334 obj.argDB = argDB 335 for obj in self.linkerObject.values(): 336 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 337 obj.argDB = argDB 338 for obj in self.sharedLinkerObject.values(): 339 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 340 obj.argDB = argDB 341 for obj in self.dynamicLinkerObject.values(): 342 if not hasattr(obj, 'argDB') or not obj.argDB == argDB: 343 obj.argDB = argDB 344 if not self.compilers is None: 345 self.compilers.argDB = argDB 346 for obj in self.preprocessorObject.values(): 347 if hasattr(obj, 'configCompilers'): 348 obj.configCompilers.argDB = argDB 349 for obj in self.compilerObject.values(): 350 if hasattr(obj, 'configCompilers'): 351 obj.configCompilers.argDB = argDB 352 for obj in self.linkerObject.values(): 353 if hasattr(obj, 'configCompilers'): 354 obj.configCompilers.argDB = argDB 355 for obj in self.sharedLinkerObject.values(): 356 if hasattr(obj, 'configCompilers'): 357 obj.configCompilers.argDB = argDB 358 for obj in self.dynamicLinkerObject.values(): 359 if hasattr(obj, 'configCompilers'): 360 obj.configCompilers.argDB = argDB 361 if not self.libraries is None: 362 self.libraries.argDB = argDB 363 for obj in self.linkerObject.values(): 364 if hasattr(obj, 'configLibraries'): 365 obj.configLibraries.argDB = argDB 366 for obj in self.sharedLinkerObject.values(): 367 if hasattr(obj, 'configLibraries'): 368 obj.configLibraries.argDB = argDB 369 for obj in self.dynamicLinkerObject.values(): 370 if hasattr(obj, 'configLibraries'): 371 obj.configLibraries.argDB = argDB 372 return 373 argDB = property(args.ArgumentProcessor.getArgDB, setArgDB, doc = 'The RDict argument database') 374 375 def getLanguageModule(self, language, moduleName = None): 376 '''Return the module associated with operations for a given language 377 - Giving a moduleName explicitly forces a reimport''' 378 if not language in self.languageModule or not moduleName is None: 379 try: 380 if moduleName is None: 381 moduleName = self.modulePath+'.'+language 382 module = __import__(moduleName) 383 except ImportError, e: 384 if not moduleName is None: 385 self.logPrint('Failure to find language module: '+str(e)) 386 try: 387 moduleName = self.modulePath+'.'+language 388 module = __import__(moduleName) 389 except ImportError, e: 390 self.logPrint('Failure to find language module: '+str(e)) 391 moduleName = 'config.compile.'+language 392 module = __import__(moduleName) 393 components = moduleName.split('.') 394 for component in components[1:]: 395 module = getattr(module, component) 396 module._loadName = moduleName 397 self.languageModule[language] = module 398 return self.languageModule[language] 399 400 def getPreprocessorObject(self, language): 401 if not language in self.preprocessorObject: 402 self.preprocessorObject[language] = self.getLanguageModule(language).Preprocessor(self.argDB) 403 self.preprocessorObject[language].setup() 404 if not self.compilers is None: 405 self.preprocessorObject[language].configCompilers = self.compilers 406 if not self.versionControl is None: 407 self.preprocessorObject[language].versionControl = self.versionControl 408 return self.preprocessorObject[language] 409 410 def setPreprocessorObject(self, language, preprocessor): 411 self.preprocessorObject[language] = preprocessor 412 return self.getPreprocessorObject(language) 413 414 def getCompilerObject(self, language): 415 if not language in self.compilerObject: 416 self.compilerObject[language] = self.getLanguageModule(language).Compiler(self.argDB) 417 self.compilerObject[language].setup() 418 if not self.compilers is None: 419 self.compilerObject[language].configCompilers = self.compilers 420 if not self.versionControl is None: 421 self.compilerObject[language].versionControl = self.versionControl 422 return self.compilerObject[language] 423 424 def setCompilerObject(self, language, compiler): 425 self.compilerObject[language] = compiler 426 return self.getCompilerObject(language) 427 428 def getLinkerObject(self, language): 429 if not language in self.linkerObject: 430 self.linkerObject[language] = self.getLanguageModule(language).Linker(self.argDB) 431 self.linkerObject[language].setup() 432 if not self.compilers is None: 433 self.linkerObject[language].configCompilers = self.compilers 434 if not self.libraries is None: 435 self.linkerObject[language].configLibraries = self.libraries 436 if not self.versionControl is None: 437 self.linkerObject[language].versionControl = self.versionControl 438 return self.linkerObject[language] 439 440 def setLinkerObject(self, language, linker): 441 self.linkerObject[language] = linker 442 return self.getLinkerObject(language) 443 444 def getSharedLinkerObject(self, language): 445 if not language in self.sharedLinkerObject: 446 self.sharedLinkerObject[language] = self.getLanguageModule(language).SharedLinker(self.argDB) 447 self.sharedLinkerObject[language].setup() 448 if not self.compilers is None: 449 self.sharedLinkerObject[language].configCompilers = self.compilers 450 if not self.libraries is None: 451 self.sharedLinkerObject[language].configLibraries = self.libraries 452 if not self.versionControl is None: 453 self.sharedLinkerObject[language].versionControl = self.versionControl 454 return self.sharedLinkerObject[language] 455 456 def setSharedLinkerObject(self, language, linker): 457 self.sharedLinkerObject[language] = linker 458 return self.getSharedLinkerObject(language) 459 460 def getDynamicLinkerObject(self, language): 461 if not language in self.dynamicLinkerObject: 462 self.dynamicLinkerObject[language] = self.getLanguageModule(language).DynamicLinker(self.argDB) 463 self.dynamicLinkerObject[language].setup() 464 if not self.compilers is None: 465 self.dynamicLinkerObject[language].configCompilers = self.compilers 466 if not self.libraries is None: 467 self.dynamicLinkerObject[language].configLibraries = self.libraries 468 if not self.versionControl is None: 469 self.dynamicLinkerObject[language].versionControl = self.versionControl 470 return self.dynamicLinkerObject[language] 471 472 def setDynamicLinkerObject(self, language, linker): 473 self.dynamicLinkerObject[language] = linker 474 return self.getDynamicLinkerObject(language) 475