Python win32event.INFINITE Examples

def wait(self, state, interval=0.1, channel=None):
        """Wait for the given state(s), KeyboardInterrupt or SystemExit.

        Since this class uses native win32event objects, the interval
        argument is ignored.
        """
        if isinstance(state, (tuple, list)):
            # Don't wait for an event that beat us to the punch ;)
            if self.state not in state:
                events = tuple([self._get_state_event(s) for s in state])
                win32event.WaitForMultipleObjects(
                    events, 0, win32event.INFINITE)
        else:
            # Don't wait for an event that beat us to the punch ;)
            if self.state != state:
                event = self._get_state_event(state)
                win32event.WaitForSingleObject(event, win32event.INFINITE) 

def runAsAdmin(cmdLine=None, wait=True):

    if os.name != 'nt':
        raise RuntimeError, "This function is only implemented on Windows."

    import win32api
    import win32con
    import win32event
    import win32process
    from win32com.shell.shell import ShellExecuteEx
    from win32com.shell import shellcon

    python_exe = sys.executable

    if cmdLine is None:
        cmdLine = [python_exe] + sys.argv
    elif type(cmdLine) not in (types.TupleType, types.ListType):
        raise ValueError, "cmdLine is not a sequence."
    cmd = '"%s"' % (cmdLine[0],)
    # XXX TODO: isn't there a function or something we can call to massage command line params?
    params = " ".join(['"%s"' % (x,) for x in cmdLine[1:]])
    cmdDir = ''
    #showCmd = win32con.SW_SHOWNORMAL
    showCmd = win32con.SW_HIDE
    lpVerb = 'runas'  # causes UAC elevation prompt.

    # print "Running", cmd, params

    # ShellExecute() doesn't seem to allow us to fetch the PID or handle
    # of the process, so we can't get anything useful from it. Therefore
    # the more complex ShellExecuteEx() must be used.

    # procHandle = win32api.ShellExecute(0, lpVerb, cmd, params, cmdDir, showCmd)

    procInfo = ShellExecuteEx(nShow=showCmd,
                              fMask=shellcon.SEE_MASK_NOCLOSEPROCESS,
                              lpVerb=lpVerb,
                              lpFile=cmd,
                              lpParameters=params)

    if wait:
        procHandle = procInfo['hProcess']
        obj = win32event.WaitForSingleObject(procHandle, win32event.INFINITE)
        rc = win32process.GetExitCodeProcess(procHandle)
        # print "Process handle %s returned code %s" % (procHandle, rc)
    else:
        rc = None

    return rc 

def wait(self, state, interval=0.1, channel=None):
        """Wait for the given state(s), KeyboardInterrupt or SystemExit.

        Since this class uses native win32event objects, the interval
        argument is ignored.
        """
        if isinstance(state, (tuple, list)):
            # Don't wait for an event that beat us to the punch ;)
            if self.state not in state:
                events = tuple([self._get_state_event(s) for s in state])
                win32event.WaitForMultipleObjects(
                    events, 0, win32event.INFINITE)
        else:
            # Don't wait for an event that beat us to the punch ;)
            if self.state != state:
                event = self._get_state_event(state)
                win32event.WaitForSingleObject(event, win32event.INFINITE) 

def wait(self, state, interval=0.1, channel=None):
        """Wait for the given state(s), KeyboardInterrupt or SystemExit.

        Since this class uses native win32event objects, the interval
        argument is ignored.
        """
        if isinstance(state, (tuple, list)):
            # Don't wait for an event that beat us to the punch ;)
            if self.state not in state:
                events = tuple([self._get_state_event(s) for s in state])
                win32event.WaitForMultipleObjects(
                    events, 0, win32event.INFINITE)
        else:
            # Don't wait for an event that beat us to the punch ;)
            if self.state != state:
                event = self._get_state_event(state)
                win32event.WaitForSingleObject(event, win32event.INFINITE) 

def Run(self):
		while 1:
			handles = [self.stopEvent, self.adminEvent]
			if self.watchEvent is not None:
				handles.append(self.watchEvent)
			rc = win32event.WaitForMultipleObjects(handles, 0, win32event.INFINITE)
			if rc == win32event.WAIT_OBJECT_0:
				break
			elif rc == win32event.WAIT_OBJECT_0+1:
				self.RefreshEvent()
			else:
				win32api.PostMessage(self.hwnd, MSG_CHECK_EXTERNAL_FILE, 0, 0)
				try:
					# If the directory has been removed underneath us, we get this error.
					win32api.FindNextChangeNotification(self.watchEvent)
				except win32api.error, exc:
					print "Can not watch file", self.doc.GetPathName(), "for changes -", exc.strerror
					break

		# close a circular reference 

def CollectorThread(stopEvent, file):
	win32trace.InitRead()
	handle = win32trace.GetHandle()
	# Run this thread at a lower priority to the main message-loop (and printing output)
	# thread can keep up
	import win32process
	win32process.SetThreadPriority(win32api.GetCurrentThread(), win32process.THREAD_PRIORITY_BELOW_NORMAL)

	try:
		while 1:
			rc = win32event.WaitForMultipleObjects((handle, stopEvent), 0, win32event.INFINITE)
			if rc == win32event.WAIT_OBJECT_0:
				# About the only char we can't live with is \0!
				file.write(win32trace.read().replace("\0", "<null>"))
			else:
				# Stop event
				break
	finally:
		win32trace.TermRead()
		print "Thread dieing" 

def run(self):
        last_time = os.stat(self.filename)[stat.ST_MTIME]
        while 1:
            try:
                rc = win32event.WaitForSingleObject(self.handle, 
                                                    win32event.INFINITE)
                win32file.FindNextChangeNotification(self.handle)
            except win32event.error, details:
                # handle closed - thread should terminate.
                if details[0] != winerror.ERROR_INVALID_HANDLE:
                    raise
                break
            this_time = os.stat(self.filename)[stat.ST_MTIME]
            if this_time != last_time:
                print "Detected file change - flagging for reload."
                self.change_detected = True
                last_time = this_time 

def run(self):
        last_time = os.stat(self.filename)[stat.ST_MTIME]
        while 1:
            try:
                rc = win32event.WaitForSingleObject(self.handle, 
                                                    win32event.INFINITE)
                win32file.FindNextChangeNotification(self.handle)
            except win32event.error, details:
                # handle closed - thread should terminate.
                if details[0] != winerror.ERROR_INVALID_HANDLE:
                    raise
                break
            this_time = os.stat(self.filename)[stat.ST_MTIME]
            if this_time != last_time:
                print "Detected file change - flagging for reload."
                self.change_detected = True
                last_time = this_time 

def wait(self, state, interval=0.1, channel=None):
        """Wait for the given state(s), KeyboardInterrupt or SystemExit.

        Since this class uses native win32event objects, the interval
        argument is ignored.
        """
        if isinstance(state, (tuple, list)):
            # Don't wait for an event that beat us to the punch ;)
            if self.state not in state:
                events = tuple([self._get_state_event(s) for s in state])
                win32event.WaitForMultipleObjects(
                    events, 0, win32event.INFINITE)
        else:
            # Don't wait for an event that beat us to the punch ;)
            if self.state != state:
                event = self._get_state_event(state)
                win32event.WaitForSingleObject(event, win32event.INFINITE) 

def wait(self, state, interval=0.1, channel=None):
        """Wait for the given state(s), KeyboardInterrupt or SystemExit.
        
        Since this class uses native win32event objects, the interval
        argument is ignored.
        """
        if isinstance(state, (tuple, list)):
            # Don't wait for an event that beat us to the punch ;)
            if self.state not in state:
                events = tuple([self._get_state_event(s) for s in state])
                win32event.WaitForMultipleObjects(events, 0, win32event.INFINITE)
        else:
            # Don't wait for an event that beat us to the punch ;)
            if self.state != state:
                event = self._get_state_event(state)
                win32event.WaitForSingleObject(event, win32event.INFINITE) 

def Transmit(self, transmitData):
        """
        This will be called to detect available IR Blasters.
        """
        if not self.file:
            if not self.connecting:
                self.Connect()
            else:
                return False
        while self.receiving:
            time.sleep(0.05)
        writeOvlap = win32file.OVERLAPPED()
        writeOvlap.hEvent = win32event.CreateEvent(None, 0, 0, None)
        win32file.WriteFile(self.file, transmitData, writeOvlap)
        win32event.WaitForSingleObject(writeOvlap.hEvent, win32event.INFINITE)
        return True 

def wait(self, timeout=None):
        """Wait until the child exits. If timeout is not specified this
        blocks indefinately. Otherwise, timeout specifies the number of
        seconds to wait."""
        if self.exitstatus is not None:
            return
        if timeout is None:
            timeout = INFINITE
        else:
            timeout = 1000 * timeout
        ret = WaitForSingleObject(self.child_handle, timeout)
        if ret == WAIT_TIMEOUT:
            raise TIMEOUT, 'Timeout exceeded in wait().'
        self.exitstatus = GetExitCodeProcess(self.child_handle)
        return self.exitstatus 

def wait(self):
            """Wait for child process to terminate.  Returns returncode
            attribute."""
            if self.returncode is None:
                obj = WaitForSingleObject(self._handle, INFINITE)
                self.returncode = GetExitCodeProcess(self._handle)
            return self.returncode 

def processEnded(self, processHandle, processHandleKey):
        wfmoThread = self.phandleKeyToThreadHandle[processHandleKey]
        processTransport = self.phandleToTransport[processHandle]
        self.threadToNumEnded[wfmoThread] += 1
        # Decrement proc handle count for thread
        self.threadToNumProcessHandles[wfmoThread] -= 1
        # If we go from 63 to 62 phandles for the thread, mark it available.
        if self.threadToNumProcessHandles[wfmoThread] == 62:
            self.availableThreads.append(wfmoThread)
            self.usedThreads.remove(wfmoThread)
        # If we go to 0 phandles, end the thread
        elif self.threadToNumProcessHandles[wfmoThread] == 0:
            # Mark thread as unavailable
            self.availableThreads.remove(wfmoThread)
            # Notify the thread that it should exit.
            if not self.threadToMsgWindowCreated[wfmoThread]:
                val = WaitForSingleObject(self.threadToMsgWindowCreationEvent[wfmoThread], INFINITE)
                if val != WAIT_OBJECT_0:
                    raise RuntimeError("WaitForSingleObject returned %d.  It should only return %d" % (val, WAIT_OBJECT_0))
            # Notify the thread that it should wait on the process handle.
            win32api.PostMessage(
                    self.threadToMsgWindow[wfmoThread], # thread id
                    WM_CLOSE_THREAD, # message 
                    0, # wParam
                    0 # lParam
                    )
            
            # Cleanup thread resources
            del self.threadToNumProcessHandles[wfmoThread]
            del self.threadToMsgWindowCreated[wfmoThread]
            #del self.wfmoThread
        
        # Cleanup process handle resources
        del self.needWaiting[processHandleKey]
        del self.phandleToTransport[processHandle]
        # Call the transport's processEnded method
        processTransport.processEnded() 

def notifyOnExit(self, processHandle, processTransport):
        processHandleKey = self.phandleToPhandleKey[processHandle]
        
        # If there are available threads, use one of them
        if len(self.availableThreads) > 0:
            wfmoThread = self.availableThreads[0]
            self.threadToNumProcessHandles[wfmoThread] += 1
            self.phandleKeyToThreadHandle[processHandleKey] = wfmoThread
            # Update used/available thread lists
            if self.threadToNumProcessHandles[wfmoThread] == 63:
                self.usedThreads.append(wfmoThread)
                self.availableThreads.remove(wfmoThread)
            # Make sure the message window has been created so
            # we can send messages to the thread.
            if self.threadToMsgWindowCreated[wfmoThread] is False:
                val = WaitForSingleObject(self.threadToMsgWindowCreationEvent[wfmoThread], INFINITE)
                if val != WAIT_OBJECT_0:
                    raise RuntimeError("WaitForSingleObject returned %d.  It should only return %d" % (val, WAIT_OBJECT_0))
            # Notify the thread that it should wait on the process handle.
            if win32api.PostMessage(
                    self.threadToMsgWindow[wfmoThread],
                    WM_NEW_PHANDLE, # message 
                    processHandleKey, # wParam
                    0 # lParam
                    ) == 0:
                raise Exception("Failed to post thread message!")
        else:
            # Create a new thread and wait on the proc handle
            wfmoThread = threading.Thread(
                    target=self.doWaitForProcessExit,
                    args=(processHandleKey,),
                    name="iocpreactor.process_waiter.ProcessWaiter.waitForProcessExit pid=%d" % self.realPid)
            # Create a window creation event that will be triggered from the thread
            self.threadToMsgWindowCreationEvent[wfmoThread] = CreateEvent(None, 0, 0, None)
            self.threadToMsgWindowCreated[wfmoThread] = False
            self.threadToNumProcessHandles[wfmoThread] = 1
            self.availableThreads.append(wfmoThread)
            self.phandleKeyToThreadHandle[processHandleKey] = wfmoThread
            wfmoThread.start() 

def stop(self):
        if self.master:
            r = win32event.WaitForSingleObject(self.mutex, win32event.INFINITE)
            filename = self._get_sic_path()
            try:
                os.remove(filename)
            except OSError, e:
                # print, but continue
                traceback.print_exc()
            self.master = 0
            win32event.ReleaseMutex(self.mutex)
            # close it so the named mutex goes away
            win32api.CloseHandle(self.mutex)
            self.mutex = None 

def wait(self):
            """Wait for child process to terminate.  Returns returncode
            attribute."""
            if self.returncode is None:
                obj = WaitForSingleObject(self._handle, INFINITE)
                self.returncode = GetExitCodeProcess(self._handle)
            return self.returncode 

def wait(self):
            """Wait for child process to terminate.  Returns returncode
            attribute."""
            if self.returncode is None:
                obj = WaitForSingleObject(self._handle, INFINITE)
                self.returncode = GetExitCodeProcess(self._handle)
            return self.returncode 

def ChangeReceiveMode(self, mode):
        """
        This will be called to detect available IR Blasters.
        """
        if not(mode == "l" or mode == "n"):
            return False#needs to be normal or learn
        if not self.file:
            return False
        writeOvlap = win32file.OVERLAPPED()
        writeOvlap.hEvent = win32event.CreateEvent(None, 0, 0, None)
        win32file.WriteFile(self.file, mode, writeOvlap)
        win32event.WaitForSingleObject(writeOvlap.hEvent, win32event.INFINITE)
        return True 

def SvcDoRun(self):

        # __file__ == 'service_win32.py'
        exe_dir = os.path.dirname(os.path.dirname(__file__))
        os.chdir(exe_dir)

        win32evtlogutil.ReportEvent(
            self._svc_name_,
            servicemanager.PYS_SERVICE_STARTED,
            0,
            servicemanager.EVENTLOG_INFORMATION_TYPE,
            (self._svc_name_, ''))

        config_file = os.path.join(exe_dir, 'agent.conf')
        config = Config(config_file)

        supervisor = Supervisor(config)
        win32evtlogutil.ReportEvent(
            self._svc_name_,
            servicemanager.PYS_SERVICE_STOPPED,
            0,
            servicemanager.EVENTLOG_INFORMATION_TYPE,
            (self._svc_name_, ''))

        thread = Thread(target=supervisor.start)
        thread.daemon = True
        thread.start()

        while True:
            rc = win32event.WaitForSingleObject(
                self.hWaitStop, win32event.INFINITE)
            if rc == win32event.WAIT_OBJECT_0:
                win32evtlogutil.ReportEvent(
                    self._svc_name_,
                    servicemanager.PYS_SERVICE_STOPPED,
                    0,
                    servicemanager.EVENTLOG_INFORMATION_TYPE,
                    (self._svc_name_, ''))
                break 

def SvcDoRun(self):
        self.ReportServiceStatus(win32service.SERVICE_START_PENDING)
        try:
            self.ReportServiceStatus(win32service.SERVICE_RUNNING)
            self.log("Starting service")
            self.start()
            win32event.WaitForSingleObject(self._stop_event, win32event.INFINITE)
        except Exception as e:
            self.error(
                "Error, causing Windows Service to exit early %s" % six.text_type(e)
            )
            self.SvcStop() 

def wait(self):
            """Wait for child process to terminate.  Returns returncode
            attribute."""
            if self.returncode == None:
                obj = WaitForSingleObject(self._handle, INFINITE)
                self.returncode = GetExitCodeProcess(self._handle)
                _active.remove(self)
            return self.returncode 

def wait(self):
            """Wait for child process to terminate.  Returns returncode
            attribute."""
            if self.returncode is None:
                obj = WaitForSingleObject(self._handle, INFINITE)
                self.returncode = GetExitCodeProcess(self._handle)
            return self.returncode 

def wait(self):
            """Wait for child process to terminate.  Returns returncode
            attribute."""
            if self.returncode is None:
                obj = WaitForSingleObject(self._handle, INFINITE)
                self.returncode = GetExitCodeProcess(self._handle)
            return self.returncode 

def testCompletionPortsQueued(self):
        class Foo: pass
        io_req_port = win32file.CreateIoCompletionPort(-1, None, 0, 0)
        overlapped = pywintypes.OVERLAPPED()
        overlapped.object = Foo()
        win32file.PostQueuedCompletionStatus(io_req_port, 0, 99, overlapped)
        errCode, bytes, key, overlapped = \
                win32file.GetQueuedCompletionStatus(io_req_port, win32event.INFINITE)
        self.failUnlessEqual(errCode, 0)
        self.failUnless(isinstance(overlapped.object, Foo)) 

def testSimpleOverlapped(self):
        # Create a file in the %TEMP% directory.
        import win32event
        testName = os.path.join( win32api.GetTempPath(), "win32filetest.dat" )
        desiredAccess = win32file.GENERIC_WRITE
        overlapped = pywintypes.OVERLAPPED()
        evt = win32event.CreateEvent(None, 0, 0, None)
        overlapped.hEvent = evt
        # Create the file and write shit-loads of data to it.
        h = win32file.CreateFile( testName, desiredAccess, 0, None, win32file.CREATE_ALWAYS, 0, 0)
        chunk_data = str2bytes("z") * 0x8000
        num_loops = 512
        expected_size = num_loops * len(chunk_data)
        for i in range(num_loops):
            win32file.WriteFile(h, chunk_data, overlapped)
            win32event.WaitForSingleObject(overlapped.hEvent, win32event.INFINITE)
            overlapped.Offset = overlapped.Offset + len(chunk_data)
        h.Close()
        # Now read the data back overlapped
        overlapped = pywintypes.OVERLAPPED()
        evt = win32event.CreateEvent(None, 0, 0, None)
        overlapped.hEvent = evt
        desiredAccess = win32file.GENERIC_READ
        h = win32file.CreateFile( testName, desiredAccess, 0, None, win32file.OPEN_EXISTING, 0, 0)
        buffer = win32file.AllocateReadBuffer(0xFFFF)
        while 1:
            try:
                hr, data = win32file.ReadFile(h, buffer, overlapped)
                win32event.WaitForSingleObject(overlapped.hEvent, win32event.INFINITE)
                overlapped.Offset = overlapped.Offset + len(data)
                if not data is buffer:
                    self.fail("Unexpected result from ReadFile - should be the same buffer we passed it")
            except win32api.error:
                break
        h.Close() 

def join(self):
        win32event.WaitForSingleObject(self.processHandle,
                                       win32event.INFINITE)
        self.exitCode = win32process.GetExitCodeProcess(self.processHandle) 

def SvcDoRun(self):
        # do nothing at all - just wait to be stopped
        win32event.WaitForSingleObject(self.hWaitStop, win32event.INFINITE)
        # Write a stop message.
        servicemanager.LogMsg(
                servicemanager.EVENTLOG_INFORMATION_TYPE,
                servicemanager.PYS_SERVICE_STOPPED,
                (self._svc_name_, '')
                ) 

def run(self):
        self.running = True
        while self.running:
            errCode, bytes, key, overlapped = \
                GetQueuedCompletionStatus(self.io_req_port, INFINITE)
            if key == ISAPI_SHUTDOWN and overlapped is None:
                break

            # Let the parent extension handle the command.
            dispatcher = self.extension.dispatch_map.get(key)
            if dispatcher is None:
                raise RuntimeError("Bad request '%s'" % (key,))
            
            dispatcher(errCode, bytes, key, overlapped) 

def transmit(self,dataToTransmit):
        
        # convert to string
        dataToTransmit  = ''.join([chr(b) for b in dataToTransmit])
        
        # write over tuntap interface
        win32file.WriteFile(self.tuntap, dataToTransmit, self.overlappedTx)
        win32event.WaitForSingleObject(self.overlappedTx.hEvent, win32event.INFINITE)
        self.overlappedTx.Offset = self.overlappedTx.Offset + len(dataToTransmit)
    
    #======================== private =========================================