Python win32con.GENERIC_WRITE Examples
The following are 8
code examples of win32con.GENERIC_WRITE().
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Example #1
Source File: windows_support.py From avocado-vt with GNU General Public License v2.0 | 7 votes |
def __init__(self, filename): self._hfile = win32file.CreateFile(filename, win32con.GENERIC_READ | win32con.GENERIC_WRITE, win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE, win32security.SECURITY_ATTRIBUTES(), win32con.OPEN_EXISTING, win32con.FILE_FLAG_OVERLAPPED, 0) self._read_ovrlpd = pywintypes.OVERLAPPED() self._read_ovrlpd.hEvent = win32event.CreateEvent(None, True, False, None) self._write_ovrlpd = pywintypes.OVERLAPPED() self._write_ovrlpd.hEvent = win32event.CreateEvent(None, True, False, None) self._bufs = [] self._n = 0
Example #2
Source File: win32.py From multibootusb with GNU General Public License v2.0 | 6 votes |
def _openHandle(path, bWriteAccess, bWriteShare, logfunc = lambda s: None): TIMEOUT, NUM_RETRIES = 10, 20 for retry_count in range(6): try: access_flag = win32con.GENERIC_READ | \ (bWriteAccess and win32con.GENERIC_WRITE or 0) share_flag = win32con.FILE_SHARE_READ | \ (bWriteShare and win32con.FILE_SHARE_WRITE or 0) handle = win32file.CreateFile( path, access_flag, share_flag, None, win32con.OPEN_EXISTING, win32con.FILE_ATTRIBUTE_NORMAL, None) nth = { 0: 'first', 1:'second', 2:'third'} logfunc("Opening [%s]: success at the %s iteration" % (path, nth.get(retry_count, '%sth' % (retry_count+1)))) return handle except pywintypes.error as e: logfunc('Exception=>'+str(e)) if NUM_RETRIES/3 < retry_count: bWriteShare = True time.sleep(TIMEOUT / float(NUM_RETRIES)) else: raise RuntimeError("Couldn't open handle for %s." % path)
Example #3
Source File: test_win32pipe.py From ironpython2 with Apache License 2.0 | 6 votes |
def testTransactNamedPipeBlocking(self): event = threading.Event() self.startPipeServer(event) open_mode = win32con.GENERIC_READ | win32con.GENERIC_WRITE hpipe = win32file.CreateFile(self.pipename, open_mode, 0, # no sharing None, # default security win32con.OPEN_EXISTING, 0, # win32con.FILE_FLAG_OVERLAPPED, None) # set to message mode. win32pipe.SetNamedPipeHandleState( hpipe, win32pipe.PIPE_READMODE_MESSAGE, None, None) hr, got = win32pipe.TransactNamedPipe(hpipe, str2bytes("foo\0bar"), 1024, None) self.failUnlessEqual(got, str2bytes("bar\0foo")) event.wait(5) self.failUnless(event.isSet(), "Pipe server thread didn't terminate")
Example #4
Source File: test_win32pipe.py From ironpython2 with Apache License 2.0 | 6 votes |
def testTransactNamedPipeBlockingBuffer(self): # Like testTransactNamedPipeBlocking, but a pre-allocated buffer is # passed (not really that useful, but it exercises the code path) event = threading.Event() self.startPipeServer(event) open_mode = win32con.GENERIC_READ | win32con.GENERIC_WRITE hpipe = win32file.CreateFile(self.pipename, open_mode, 0, # no sharing None, # default security win32con.OPEN_EXISTING, 0, # win32con.FILE_FLAG_OVERLAPPED, None) # set to message mode. win32pipe.SetNamedPipeHandleState( hpipe, win32pipe.PIPE_READMODE_MESSAGE, None, None) buffer = win32file.AllocateReadBuffer(1024) hr, got = win32pipe.TransactNamedPipe(hpipe, str2bytes("foo\0bar"), buffer, None) self.failUnlessEqual(got, str2bytes("bar\0foo")) event.wait(5) self.failUnless(event.isSet(), "Pipe server thread didn't terminate")
Example #5
Source File: pysynch.py From ironpython2 with Apache License 2.0 | 6 votes |
def CopyFileToCe(src_name, dest_name, progress = None): sh = win32file.CreateFile(src_name, win32con.GENERIC_READ, 0, None, win32con.OPEN_EXISTING, 0, None) bytes=0 try: dh = wincerapi.CeCreateFile(dest_name, win32con.GENERIC_WRITE, 0, None, win32con.OPEN_ALWAYS, 0, None) try: while 1: hr, data = win32file.ReadFile(sh, 2048) if not data: break wincerapi.CeWriteFile(dh, data) bytes = bytes + len(data) if progress is not None: progress(bytes) finally: pass dh.Close() finally: sh.Close() return bytes
Example #6
Source File: HID.py From EventGhost with GNU General Public License v2.0 | 6 votes |
def run(self): #open file/device try: handle = win32file.CreateFile( self.devicePath, win32con.GENERIC_READ | win32con.GENERIC_WRITE, win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE, None, # no security win32con.OPEN_EXISTING, win32con.FILE_ATTRIBUTE_NORMAL | win32con.FILE_FLAG_OVERLAPPED, 0 ) except pywintypes.error as (errno, function, strerror): self.lockObject.release() eg.PrintError(self.text.errorOpen + self.deviceName + " (" + strerror + ")") return
Example #7
Source File: cerapi.py From ironpython2 with Apache License 2.0 | 5 votes |
def DemoCopyFile(): # Create a file on the device, and write a string. cefile = wincerapi.CeCreateFile("TestPython", win32con.GENERIC_WRITE, 0, None, win32con.OPEN_ALWAYS, 0, None) wincerapi.CeWriteFile(cefile, "Hello from Python") cefile.Close() # reopen the file and check the data. cefile = wincerapi.CeCreateFile("TestPython", win32con.GENERIC_READ, 0, None, win32con.OPEN_EXISTING, 0, None) if wincerapi.CeReadFile(cefile, 100) != "Hello from Python": print "Couldnt read the data from the device!" cefile.Close() # Delete the test file wincerapi.CeDeleteFile("TestPython") print "Created, wrote to, read from and deleted a test file!"
Example #8
Source File: test_win32pipe.py From ironpython2 with Apache License 2.0 | 5 votes |
def testTransactNamedPipeAsync(self): event = threading.Event() overlapped = pywintypes.OVERLAPPED() overlapped.hEvent = win32event.CreateEvent(None, 0, 0, None) self.startPipeServer(event, 0.5) open_mode = win32con.GENERIC_READ | win32con.GENERIC_WRITE hpipe = win32file.CreateFile(self.pipename, open_mode, 0, # no sharing None, # default security win32con.OPEN_EXISTING, win32con.FILE_FLAG_OVERLAPPED, None) # set to message mode. win32pipe.SetNamedPipeHandleState( hpipe, win32pipe.PIPE_READMODE_MESSAGE, None, None) buffer = win32file.AllocateReadBuffer(1024) hr, got = win32pipe.TransactNamedPipe(hpipe, str2bytes("foo\0bar"), buffer, overlapped) self.failUnlessEqual(hr, winerror.ERROR_IO_PENDING) nbytes = win32file.GetOverlappedResult(hpipe, overlapped, True) got = buffer[:nbytes] self.failUnlessEqual(got, str2bytes("bar\0foo")) event.wait(5) self.failUnless(event.isSet(), "Pipe server thread didn't terminate")