我们从Python开源项目中，提取了以下9个代码示例，用于说明如何使用win32con.FILE_SHARE_READ。
def setUp(self): self.watcher_threads = [] self.watcher_thread_changes = [] self.dir_names = [] self.dir_handles = [] for i in range(self.num_test_dirs): td = tempfile.mktemp("-test-directory-changes-%d" % i) os.mkdir(td) self.dir_names.append(td) hdir = win32file.CreateFile(td, ntsecuritycon.FILE_LIST_DIRECTORY, win32con.FILE_SHARE_READ, None, # security desc win32con.OPEN_EXISTING, win32con.FILE_FLAG_BACKUP_SEMANTICS | win32con.FILE_FLAG_OVERLAPPED, None) self.dir_handles.append(hdir) changes = [] t = threading.Thread(target=self._watcherThreadOverlapped, args=(td, hdir, changes)) t.start() self.watcher_threads.append(t) self.watcher_thread_changes.append(changes)
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 testMoreFiles(self): # Create a file in the %TEMP% directory. testName = os.path.join( win32api.GetTempPath(), "win32filetest.dat" ) desiredAccess = win32file.GENERIC_READ | win32file.GENERIC_WRITE # Set a flag to delete the file automatically when it is closed. fileFlags = win32file.FILE_FLAG_DELETE_ON_CLOSE h = win32file.CreateFile( testName, desiredAccess, win32file.FILE_SHARE_READ, None, win32file.CREATE_ALWAYS, fileFlags, 0) # Write a known number of bytes to the file. data = str2bytes("z") * 1025 win32file.WriteFile(h, data) self.failUnless(win32file.GetFileSize(h) == len(data), "WARNING: Written file does not have the same size as the length of the data in it!") # Ensure we can read the data back. win32file.SetFilePointer(h, 0, win32file.FILE_BEGIN) hr, read_data = win32file.ReadFile(h, len(data)+10) # + 10 to get anything extra self.failUnless(hr==0, "Readfile returned %d" % hr) self.failUnless(read_data == data, "Read data is not what we wrote!") # Now truncate the file at 1/2 its existing size. newSize = len(data)//2 win32file.SetFilePointer(h, newSize, win32file.FILE_BEGIN) win32file.SetEndOfFile(h) self.failUnlessEqual(win32file.GetFileSize(h), newSize) # GetFileAttributesEx/GetFileAttributesExW tests. self.failUnlessEqual(win32file.GetFileAttributesEx(testName), win32file.GetFileAttributesExW(testName)) attr, ct, at, wt, size = win32file.GetFileAttributesEx(testName) self.failUnless(size==newSize, "Expected GetFileAttributesEx to return the same size as GetFileSize()") self.failUnless(attr==win32file.GetFileAttributes(testName), "Expected GetFileAttributesEx to return the same attributes as GetFileAttributes") h = None # Close the file by removing the last reference to the handle! self.failUnless(not os.path.isfile(testName), "After closing the file, it still exists!")
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)
def win32_comports_bruteforce(): import win32file import win32con ports = [] for i in range(1, 257): portname = "\\\\.\\COM%i" % i try: mode = win32con.GENERIC_READ | win32con.GENERIC_WRITE port = \ win32file.CreateFile(portname, mode, win32con.FILE_SHARE_READ, None, win32con.OPEN_EXISTING, 0, None) if portname.startswith("\\"): portname = portname[4:] ports.append((portname, "Unknown", "Serial")) win32file.CloseHandle(port) port = None except Exception, e: pass return ports
def startMonitor(pathToWatch): FILE_LIST_DIRECTORY = 0x0001 hDirectory = win32file.CreateFile( pathToWatch, FILE_LIST_DIRECTORY, win32con.FILE_SHARE_READ | win32.FILE_SHARE_WRITE | win32con.FILE_SHARE_DELETE, None, win32con.OPEN_EXISTING, win32con.FILE_FLAG.BACKUP_SEMANTICS, None) while True: try: results = win32file.ReadDirectoryChangeW( hDirectory, 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, fileName in results: fullFileName = os.path.join(pathToWatch, fileName) if action == FILE_CREATED: print "[ + ] Created %s" % fullFileName elif action == FILE_DELETED: print "[ - ] Deleted %s" % fullFileName elif action == FILE_MODIFIED: print "[ * ] Modified %s" % fullFileName print "[vvv] Dumping contents..." try: fd = open(fullFileName, "rb") contents = fd.read() fd.close() print contents print "[^^^] Dump complete." except: print "[!!!] Failed." fileName, extension = os.path.splitext(fullFileName) if extension in fileTypes: injectCode(fullFileName, extension, contents) elif action == FILE_RENAMED_FROM: print "[ > ] Renamed from: %s" % fullFileName elif action == FILE_RENAMED_TO: print "[ < ] Renamed to: %s" % fullFileName else: print "[???] Unkown: %s" % fullFileName except: pass
