Python reflect.namedModule函数代码示例

        def _accept_slave(res):
            self.slave_status.setConnected(True)

            self.slave_status.updateInfo(
                admin=state.get("admin"),
                host=state.get("host"),
                access_uri=state.get("access_uri"),
                version=state.get("version"),
            )

            self.slave_commands = state.get("slave_commands")
            self.slave_environ = state.get("slave_environ")
            self.slave_basedir = state.get("slave_basedir")
            self.slave_system = state.get("slave_system")
            self.slave = bot
            if self.slave_system == "nt":
                self.path_module = namedModule("ntpath")
            else:
                # most everything accepts / as separator, so posix should be a
                # reasonable fallback
                self.path_module = namedModule("posixpath")
            log.msg("bot attached")
            self.messageReceivedFromSlave()
            self.stopMissingTimer()
            self.botmaster.master.status.slaveConnected(self.slavename)

 def changeWorkerSystem(self, system):
     self.worker.worker_system = system
     if system in ['nt', 'win32']:
         self.build.path_module = namedModule('ntpath')
         self.worker.worker_basedir = '\\wrk'
     else:
         self.build.path_module = namedModule('posixpath')
         self.worker.worker_basedir = '/wrk'

 def testCompatibility(self):
     for oldName, newName in movedModules:
         try:
             old = reflect.namedModule(oldName)
             new = reflect.namedModule(newName)
         except ImportError, e:
             continue
         for someName in [x for x in vars(new).keys() if x != '__doc__']:
             self.assertIdentical(getattr(old, someName),
                                  getattr(new, someName))

def runApp(config):
    global initRun
    platformType = runtime.platform.getType()

    sys.path.append(config['rundir'])

    # Install a reactor immediately.  The application will not load properly
    # unless this is done FIRST; otherwise the first 'reactor' import would
    # trigger an automatic installation of the default reactor.

    # To make this callable from within a running Twisted app, allow as the
    # reactor None to bypass this and use whatever reactor is currently in use.

    if config['reactor']:
        if platformType == 'java':
            from twisted.internet import javareactor
            javareactor.install()
        else:
            from twisted.python.reflect import namedModule
            namedModule(reactorTypes[config['reactor']]).install()

    if platformType != 'posix' or config['debug']:
        # only posix can fork, and debugging requires nodaemon
        config['nodaemon'] = 1

    if config['encrypted']:
        import getpass
        passphrase = getpass.getpass('Passphrase: ')
    else:
        passphrase = None

    # Load the servers.
    # This will fix up accidental function definitions in evaluation spaces
    # and the like.
    initRun = 0
    if os.path.exists(config['pidfile']):
        try:
            pid = int(open(config['pidfile']).read())
        except ValueError:
            sys.exit('Pidfile %s contains non numeric value' % config['pidfile'])

        try:
            os.kill(pid, 0)
        except OSError, why:
            if why[0] == errno.ESRCH:
                # The pid doesnt exists.
                if not config['quiet']:
                    print 'Removing stale pidfile %s' % config['pidfile']
                    os.remove(config['pidfile'])
            else:
                sys.exit('Can\'t check status of PID %s from pidfile %s: %s' % (pid, config['pidfile'], why[1]))
        except AttributeError:
            pass # welcome to windows

 def test_importQtreactor(self):
     """
     Attempting to import L{twisted.internet.qtreactor} should raise an
     C{ImportError} indicating that C{qtreactor} is no longer a part of
     Twisted.
     """
     sys.modules["qtreactor"] = None
     from twisted.plugins.twisted_qtstub import errorMessage
     try:
         namedModule('twisted.internet.qtreactor')
     except ImportError, e:
         self.assertEqual(str(e), errorMessage)

    def attached(self, conn):
        """This is called when the worker connects."""

        metrics.MetricCountEvent.log("AbstractWorker.attached_workers", 1)

        # now we go through a sequence of calls, gathering information, then
        # tell the Botmaster that it can finally give this worker to all the
        # Builders that care about it.

        # Reset graceful shutdown status
        self.worker_status.setGraceful(False)
        # We want to know when the graceful shutdown flag changes
        self.worker_status.addGracefulWatcher(self._gracefulChanged)
        self.conn = conn
        self._old_builder_list = None  # clear builder list before proceed
        self.worker_status.addPauseWatcher(self._pauseChanged)

        self.worker_status.setConnected(True)

        self._applyWorkerInfo(conn.info)
        self.worker_commands = conn.info.get("slave_commands", {})
        self.worker_environ = conn.info.get("environ", {})
        self.worker_basedir = conn.info.get("basedir", None)
        self.worker_system = conn.info.get("system", None)

        self.conn.notifyOnDisconnect(self.detached)

        workerinfo = {
            'admin': conn.info.get('admin'),
            'host': conn.info.get('host'),
            'access_uri': conn.info.get('access_uri'),
            'version': conn.info.get('version')
        }

        yield self.master.data.updates.workerConnected(
            workerid=self.workerid,
            masterid=self.master.masterid,
            workerinfo=workerinfo
        )

        if self.worker_system == "nt":
            self.path_module = namedModule("ntpath")
        else:
            # most everything accepts / as separator, so posix should be a
            # reasonable fallback
            self.path_module = namedModule("posixpath")
        log.msg("bot attached")
        self.messageReceivedFromWorker()
        self.stopMissingTimer()
        self.master.status.workerConnected(self.name)
        yield self.updateWorker()
        yield self.botmaster.maybeStartBuildsForWorker(self.name)

 def test_supportsThreads(self):
     """
     L{Platform.supportsThreads} returns C{True} if threads can be created in
     this runtime, C{False} otherwise.
     """
     # It's difficult to test both cases of this without faking the threading
     # module.  Perhaps an adequate test is to just test the behavior with
     # the current runtime, whatever that happens to be.
     try:
         namedModule('threading')
     except ImportError:
         self.assertFalse(Platform().supportsThreads())
     else:
         self.assertTrue(Platform().supportsThreads())

	def processComponent (componentName, v):
		if collectionName is not None:
			componentName = "{:s}/{:s}".format(collectionName, componentName)

		# It's a class
		if IComponent.implementedBy(v):
			fileName = namedModule(v.__module__).__file__
			objectName = "{:s}.{:s}".format(v.__module__, v.__name__)
			component = v()

		# It's a function (eg getComponent)
		elif callable(v):
			fileName = namedModule(v.__module__).__file__
			objectName = "{:s}.{:s}".format(v.__module__, v.__name__)
			component = v()

			if not IComponent.providedBy(component):
				raise Error(
					"{:s}.{:s}() does not produce a valid Component".format(
						v.__module__,
						v.__name__
				))

		# It's a string - hopefully a '.fbp' or '.json'
		else:
			import graph
			fileName = os.path.join(moduleDir, str(v))
			objectName = None
			component = graph.loadFile(fileName)

			if not IComponent.providedBy(component):
				raise Error(
					"{:s} does not produce a valid Component".format(
						componentName
				))

		# Make sure we will check the ".py" file
		if fileName[-4:] == ".pyc":
			fileName = fileName[:-1]

		if component.ready:
			return defer.succeed((fileName, objectName, componentName, component))
		else:
			d = defer.Deferred()
			component.once("ready", lambda data: d.callback(
				(fileName, objectName, componentName, component)
			))
			return d

 def addPackageRecursive(self, package):
     if type(package) is types.StringType:
         try:
             package = reflect.namedModule(package)
         except ImportError, e:
             self.couldNotImport[package] = e
             return

 def __init__(self, dbapiName, *connargs, **connkw):
     """See ConnectionPool.__doc__
     """
     self.dbapiName = dbapiName
     if self.noisy:
         log.msg("Connecting to database: %s %s %s" % (dbapiName, connargs, connkw))
     self.dbapi = reflect.namedModule(dbapiName)
     assert self.dbapi.apilevel == '2.0', 'DB API module not DB API 2.0 compliant.'
     assert self.dbapi.threadsafety > 0, 'DB API module not sufficiently thread-safe.'
     self.connargs = connargs
     self.connkw = connkw
     import thread
     self.threadID = thread.get_ident
     self.connections = {}
     if connkw.has_key('cp_min'):
         min = connkw['cp_min']
         del connkw['cp_min']
     else:
         min = 3
     if connkw.has_key('cp_max'):
         max = connkw['cp_max']
         del connkw['cp_max']
     else:
         max = 5
     from twisted.internet import reactor
     self.shutdownID = reactor.addSystemEventTrigger('during', 'shutdown', self.finalClose)

def executePolicyDir(func, d, prefix=None):
    """
    Execute all .py files in a directory, in alphabetical order, calling func on the module

    This throws a TryError if any of the modules fail.  The result is a list of tuples consisting
    of the module name and str rep of the exception
    """
    ##
    # a bit cheap but we want to temporarily make this direcotry in our path if it isn't already
    # so safe out sys.path, add d to it, and put it back when done
    oldpath = sys.path
    sys.path = [d] + sys.path
    path = d
    if prefix:
        path = os.path.join(path, prefix)
    files = [f[:-3]
             for f in os.listdir(path)
             if f.endswith('.py') and f != '__init__.py']
    files.sort()
    errorRes = []
    try:
        for f in files:
            if prefix:
                f = prefix + '.' + f
            try:
                m = namedModule(f)
                func(m)
            except Exception, err:
                errorRes.append((f, str(err), getStacktrace()))
    finally:
        sys.path = oldpath

    if errorRes:
        raise TryError('Failed to execute all modules', errorRes)

    def remote_registerClasses(self, *args):
        """
        Instructs my broker to register the classes specified by the
        argument(s).

        The classes will be registered for B{all} jobs, and are specified by
        their string representations::
        
            <package(s).module.class>
        
        """
        modules = []
        for stringRep in args:
            # Load the class for the string representation
            cls = reflect.namedObject(stringRep)
            # Register instances of the class, including its type and module
            pb.setUnjellyableForClass(stringRep, cls)
            if cls.__module__ not in modules:
                modules.append(cls.__module__)
        # Try to build the modules for the classes in case they've changed
        # since the last run
        for module in modules:
            try:
                rebuild(reflect.namedModule(module), doLog=False)
            except:
                pass

def _getSuite(config):
    def _dbg(msg):
        log.msg(iface=itrial.ITrialDebug, parseargs=msg)
    reporterKlass = _getReporter(config)
    log.msg(iface=ITrialDebug, reporter="using reporter reporterKlass: %r" % (reporterKlass,))
    
    suite = runner.TestSuite(reporterKlass(
        tbformat=config['tbformat'],
        args=config['reporter-args'],
        realtime=config['rterrors']),
        _getJanitor(),
        benchmark=config['benchmark'])
    suite.couldNotImport.update(config['_couldNotImport'])
    
    suite.dryRun = config['dry-run']

    for package in config['packages']:
        if isinstance(package, types.StringType):
            try:
                package = reflect.namedModule(package)
            except ImportError, e:
                suite.couldNotImport[package] = failure.Failure()
                continue
        if config['recurse']:
            _dbg("addPackageRecursive(%s)" % (package,))
            suite.addPackageRecursive(package)
        else:
            _dbg("addPackage(%s)" % (package,))
            suite.addPackage(package)

    def test_scanModule(self):
        # use this module as a test
        mod = reflect.namedModule('buildbot.test.unit.test_data_connector')
        self.data._scanModule(mod)

        # check that it discovered MyResourceType and updated endpoints
        match = self.data.matcher[('test', '10')]
        self.assertIsInstance(match[0], TestEndpoint)
        self.assertEqual(match[1], dict(testid=10))
        match = self.data.matcher[('test', '10', 'p1')]
        self.assertIsInstance(match[0], TestEndpoint)
        match = self.data.matcher[('test', '10', 'p2')]
        self.assertIsInstance(match[0], TestEndpoint)
        match = self.data.matcher[('test',)]
        self.assertIsInstance(match[0], TestsEndpoint)
        self.assertEqual(match[1], dict())
        match = self.data.matcher[('test', 'foo')]
        self.assertIsInstance(match[0], TestsEndpointSubclass)
        self.assertEqual(match[1], dict())

        # and that it found the update method
        self.assertEqual(self.data.updates.testUpdate(), "testUpdate return")

        # and that it added the single root link
        self.assertEqual(self.data.rootLinks,
                         [{'name': 'tests'}])

        # and that it added an attribute
        self.assertIsInstance(self.data.rtypes.test, TestResourceType)

def moduleMovedForSplit(origModuleName, newModuleName, moduleDesc,
                        projectName, projectURL, globDict):
    from twisted.python import reflect
    modoc = """
%(moduleDesc)s

This module is DEPRECATED. It has been split off into a third party
package, Twisted %(projectName)s. Please see %(projectURL)s.

This is just a place-holder that imports from the third-party %(projectName)s
package for backwards compatibility. To use it, you need to install
that package.
""" % {'moduleDesc': moduleDesc,
       'projectName': projectName,
       'projectURL': projectURL}

    #origModule = reflect.namedModule(origModuleName)
    try:
        newModule = reflect.namedModule(newModuleName)
    except ImportError:
        raise ImportError("You need to have the Twisted %s "
                          "package installed to use %s. "
                          "See %s."
                          % (projectName, origModuleName, projectURL))

    # Populate the old module with the new module's contents
    for k,v in vars(newModule).items():
        globDict[k] = v
    globDict['__doc__'] = modoc
    import warnings
    warnings.warn("%s has moved to %s. See %s." % (origModuleName, newModuleName,
                                                   projectURL),
                  DeprecationWarning, stacklevel=3)
    return