def ThreadLoop(self, startupEvent):
try:
hDir = CreateFile(
self.path, FILE_LIST_DIRECTORY,
FILE_SHARE_READ | FILE_SHARE_WRITE, None, OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, 0)
if hDir == INVALID_HANDLE_VALUE:
self.startException = FormatError()
startupEvent.set()
return
overlapped = OVERLAPPED()
overlapped.hEvent = CreateEvent(None, 1, 0, None)
buffer = (c_byte * BUFSIZE)()
events = (HANDLE * 2)(overlapped.hEvent, self.stopEvent)
flags = (FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME
| FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_SIZE
| FILE_NOTIFY_CHANGE_LAST_WRITE
| FILE_NOTIFY_CHANGE_SECURITY)
includeSubdirs = self.includeSubdirs
renamePath = None
bytesReturned = DWORD()
noneCallback = cast(None, LPOVERLAPPED_COMPLETION_ROUTINE)
startupEvent.set()
while 1:
ReadDirectoryChangesW(hDir, buffer, BUFSIZE, includeSubdirs,
flags, byref(bytesReturned),
byref(overlapped), noneCallback)
rc = MsgWaitForMultipleObjects(2, events, 0, INFINITE,
QS_ALLINPUT)
if rc == WAIT_OBJECT_0:
res = GetOverlappedResult(hDir, byref(overlapped),
byref(bytesReturned), 1)
address = addressof(buffer)
while True:
fni = FILE_NOTIFY_INFORMATION.from_address(address)
length = fni.FileNameLength / WCHAR_SIZE
fileName = wstring_at(address + 12, length)
action = fni.Action
fullFilename = os.path.join(self.path, fileName)
if action == FILE_ACTION_ADDED:
self.TriggerEvent("Created", (fullFilename, ))
elif action == FILE_ACTION_REMOVED:
self.TriggerEvent("Deleted", (fullFilename, ))
elif action == FILE_ACTION_MODIFIED:
self.TriggerEvent("Updated", (fullFilename, ))
elif action == FILE_ACTION_RENAMED_OLD_NAME:
renamePath = fullFilename
elif action == FILE_ACTION_RENAMED_NEW_NAME:
self.TriggerEvent("Renamed",
(renamePath, fullFilename))
renamePath = None
if fni.NextEntryOffset == 0:
break
address += fni.NextEntryOffset
elif rc == WAIT_OBJECT_0 + 1:
break
CloseHandle(hDir)
except:
self.thread = None
raise
def SetControlValue(hmixer, mixerControl, value):
'''
Sets the volumne from the pointer of the object passed through
' [Note: original source taken from MSDN
http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q178456&]
This function sets the value for a volume control. Returns True if
successful
'''
valueDetails = MIXERCONTROLDETAILS_UNSIGNED()
valueDetails.dwValue = value
mixerControlDetails = MIXERCONTROLDETAILS()
mixerControlDetails.cbStruct = sizeof(MIXERCONTROLDETAILS)
mixerControlDetails.item = 0
mixerControlDetails.dwControlID = mixerControl.dwControlID
mixerControlDetails.cbDetails = sizeof(valueDetails)
mixerControlDetails.paDetails = addressof(valueDetails)
mixerControlDetails.cChannels = 1
# Set the control value
rc = mixerSetControlDetails(hmixer, byref(mixerControlDetails), 0)
if rc != MMSYSERR_NOERROR:
raise SoundMixerException()
def SetControlValue(self, mixer, controlId, value):
valueDetails = MIXERCONTROLDETAILS_UNSIGNED()
valueDetails.dwValue = value
mixerControlDetails = MIXERCONTROLDETAILS()
mixerControlDetails.cbStruct = sizeof(MIXERCONTROLDETAILS)
mixerControlDetails.item = 0
mixerControlDetails.dwControlID = controlId
mixerControlDetails.cbDetails = sizeof(valueDetails)
mixerControlDetails.paDetails = addressof(valueDetails)
mixerControlDetails.cChannels = 1
rc = mixerSetControlDetails(mixer, byref(mixerControlDetails), 0)
if rc != MMSYSERR_NOERROR:
raise SoundMixerException()
def GetControlValue(hmixer, mixerControl):
valueDetails = MIXERCONTROLDETAILS_UNSIGNED()
mixerControlDetails = MIXERCONTROLDETAILS()
mixerControlDetails.cbStruct = sizeof(MIXERCONTROLDETAILS)
mixerControlDetails.item = 0
mixerControlDetails.dwControlID = mixerControl.dwControlID
mixerControlDetails.cbDetails = sizeof(valueDetails)
mixerControlDetails.paDetails = addressof(valueDetails)
mixerControlDetails.cChannels = 1
# Get the control value
rc = mixerGetControlDetails(hmixer, byref(mixerControlDetails), 0)
if rc != MMSYSERR_NOERROR:
raise SoundMixerException()
return valueDetails.dwValue
def ThreadLoop(self, startupEvent):
try:
hDir = CreateFile(
self.path,
FILE_LIST_DIRECTORY,
FILE_SHARE_READ|FILE_SHARE_WRITE,
None,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS|FILE_FLAG_OVERLAPPED,
0
)
if hDir == INVALID_HANDLE_VALUE:
self.startException = FormatError()
startupEvent.set()
return
overlapped = OVERLAPPED()
overlapped.hEvent = CreateEvent(None, 1, 0, None)
buffer = (c_byte * BUFSIZE )()
events = (HANDLE * 2)(overlapped.hEvent, self.stopEvent)
flags = (
FILE_NOTIFY_CHANGE_FILE_NAME |
FILE_NOTIFY_CHANGE_DIR_NAME |
FILE_NOTIFY_CHANGE_ATTRIBUTES |
FILE_NOTIFY_CHANGE_SIZE |
FILE_NOTIFY_CHANGE_LAST_WRITE |
FILE_NOTIFY_CHANGE_SECURITY
)
includeSubdirs = self.includeSubdirs
renamePath = None
bytesReturned = DWORD()
noneCallback = cast(None, LPOVERLAPPED_COMPLETION_ROUTINE)
startupEvent.set()
while 1:
ReadDirectoryChangesW(
hDir,
buffer,
BUFSIZE,
includeSubdirs,
flags,
byref(bytesReturned),
byref(overlapped),
noneCallback
)
rc = MsgWaitForMultipleObjects(
2, events, 0, INFINITE, QS_ALLINPUT
)
if rc == WAIT_OBJECT_0:
res = GetOverlappedResult(
hDir, byref(overlapped), byref(bytesReturned), 1
)
address = addressof(buffer)
while True:
fni = FILE_NOTIFY_INFORMATION.from_address(address)
length = fni.FileNameLength / WCHAR_SIZE
fileName = wstring_at(address + 12, length)
action = fni.Action
fullFilename = os.path.join(self.path, fileName)
if action == FILE_ACTION_ADDED:
self.TriggerEvent("Created", (fullFilename,))
elif action == FILE_ACTION_REMOVED:
self.TriggerEvent("Deleted", (fullFilename,))
elif action == FILE_ACTION_MODIFIED:
self.TriggerEvent("Updated", (fullFilename,))
elif action == FILE_ACTION_RENAMED_OLD_NAME:
renamePath = fullFilename
elif action == FILE_ACTION_RENAMED_NEW_NAME:
self.TriggerEvent(
"Renamed",
(renamePath, fullFilename)
)
renamePath = None
if fni.NextEntryOffset == 0:
break
address += fni.NextEntryOffset
elif rc == WAIT_OBJECT_0+1:
break
CloseHandle(hDir)
except:
self.thread = None
raise