python类FILE_SHARE_WRITE的实例源码

def watchos():
    #get path or maintain current path of app
    FILE_LIST_DIRECTORY = 0x0001
    try: path_to_watch = myos.get() or "."
    except: path_to_watch = "."
    path_to_watch = os.path.abspath(path_to_watch)

    textbox.insert(END, "Watching %s at %s" % (path_to_watch, time.asctime()) + "\n\n")
    # FindFirstChangeNotification sets up a handle for watching
    #  file changes.
    while 1:

        hDir = win32file.CreateFile (
            path_to_watch,
            FILE_LIST_DIRECTORY,
            win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE,
            None,
            win32con.OPEN_EXISTING,
            win32con.FILE_FLAG_BACKUP_SEMANTICS,
            None
            )

        change_handle = win32file.ReadDirectoryChangesW (
            hDir,
            1024,
            True,#Heap Size include_subdirectories,
            win32con.FILE_NOTIFY_CHANGE_FILE_NAME |
            win32con.FILE_NOTIFY_CHANGE_DIR_NAME |
            win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES |
            win32con.FILE_NOTIFY_CHANGE_SIZE |
            win32con.FILE_NOTIFY_CHANGE_LAST_WRITE |
            win32con.FILE_NOTIFY_CHANGE_SECURITY,
            None,
            None
            )

        # Loop forever, listing any file changes. The WaitFor... will
        #  time out every half a second allowing for keyboard interrupts
        #  to terminate the loop.
        ACTIONS = {
            1 : "Created",
            2 : "Deleted",
            3 : "Updated",
            4 : "Renamed from something",
            5 : "Renamed to something"
            }
        results = change_handle
        for action, files in results:
            full_filename = os.path.join(path_to_watch, files)
            theact = ACTIONS.get(action, "Unknown")
            textbox.insert(END, str(full_filename) + "\t" + str(theact) +"\n")

def run(self):
        if running_on_linux()==True:
            print("thread: start")
            wm = pyinotify.WatchManager()
            print("wathcing path",self.watch_path)
            ret=wm.add_watch(self.watch_path, pyinotify.IN_CLOSE_WRITE, self.onChange,False,False)
            print(ret)
            print("thread: start notifyer",self.notifier)
            self.notifier = pyinotify.Notifier(wm)
            try:
                while 1:
                    self.notifier.process_events()
                    if self.notifier.check_events():
                        self.notifier.read_events()
            #self.notifier.loop()
            except:
                print("error in notify",sys.exc_info()[0])
        else:
            hDir = win32file.CreateFile (self.watch_path,FILE_LIST_DIRECTORY,win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE | win32con.FILE_SHARE_DELETE,None,win32con.OPEN_EXISTING,win32con.FILE_FLAG_BACKUP_SEMANTICS,None)

            while 1:
                results = win32file.ReadDirectoryChangesW (hDir,1024,True,
                win32con.FILE_NOTIFY_CHANGE_FILE_NAME |
                win32con.FILE_NOTIFY_CHANGE_DIR_NAME |
                win32con.FILE_NOTIFY_CHANGE_ATTRIBUTES |
                win32con.FILE_NOTIFY_CHANGE_SIZE |
                win32con.FILE_NOTIFY_CHANGE_LAST_WRITE |
                win32con.FILE_NOTIFY_CHANGE_SECURITY,
                None,
                None)

                for action, file in results:
                    full_filename = os.path.join (self.watch_path, file)
                    self.onChange(full_filename)

def initialize(self):
        self.hDir = win32file.CreateFile(
            self.path_to_watch,
            self.FILE_LIST_DIRECTORY,
            win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE | win32con.FILE_SHARE_DELETE,
            None,
            win32con.OPEN_EXISTING,
            win32con.FILE_FLAG_BACKUP_SEMANTICS,
            None)