def SetClipboardText(text):
charBuffer = create_unicode_buffer(text)
charBufferSize = sizeof(charBuffer)
hGlobalMem = GlobalAlloc(GHND, charBufferSize)
lpGlobalMem = GlobalLock(hGlobalMem)
memcpy(lpGlobalMem, charBuffer, charBufferSize)
GlobalUnlock(hGlobalMem)
if not SafeOpenClipboard():
return
try:
EmptyClipboard()
SetClipboardData(CF_UNICODETEXT, hGlobalMem)
finally:
CloseClipboard()
def GetComPorts(availableOnly=True):
"""
Scans the registry for serial ports and return a list of (port, desc, hwid)
tuples.
If availableOnly is true only return currently existing ports.
"""
result = []
stringBuffer = create_unicode_buffer(256)
flags = DIGCF_DEVICEINTERFACE
if availableOnly:
flags |= DIGCF_PRESENT
hdi = SetupDiGetClassDevs(byref(GUID_CLASS_COMPORT), None, 0, flags)
if hdi == INVALID_HANDLE_VALUE:
raise WinError()
dwRequiredSize = DWORD()
dwIndex = 0
while True:
did = SP_DEVICE_INTERFACE_DATA()
did.cbSize = sizeof(did)
if not SetupDiEnumDeviceInterfaces(
hdi,
None,
byref(GUID_CLASS_COMPORT),
dwIndex,
byref(did)
):
err = GetLastError()
if err != ERROR_NO_MORE_ITEMS:
raise WinError(err)
break
# get the size
if not SetupDiGetDeviceInterfaceDetail(
hdi,
byref(did),
None,
0,
byref(dwRequiredSize),
None
):
# Ignore ERROR_INSUFFICIENT_BUFFER
err = GetLastError()
if err != ERROR_INSUFFICIENT_BUFFER:
raise WinError(err)
# allocate buffer
class _SP_DEVICE_INTERFACE_DETAIL_DATA(Structure):
_fields_ = [
('cbSize', DWORD),
('DevicePath', TCHAR*(dwRequiredSize.value - sizeof(DWORD))),
]
idd = _SP_DEVICE_INTERFACE_DETAIL_DATA()
idd.cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA)
devinfo = SP_DEVINFO_DATA()
devinfo.cbSize = sizeof(devinfo)
if not SetupDiGetDeviceInterfaceDetail(
hdi,
byref(did),
cast(byref(idd), PSP_DEVICE_INTERFACE_DETAIL_DATA),
dwRequiredSize,
None,
byref(devinfo)
):
raise WinError()
# hardware ID
if not SetupDiGetDeviceRegistryProperty(
hdi,
byref(devinfo),
SPDRP_HARDWAREID,
None,
cast(stringBuffer, PBYTE),
sizeof(stringBuffer)-1,
None
):
# Ignore ERROR_INSUFFICIENT_BUFFER
err = GetLastError()
if err != ERROR_INSUFFICIENT_BUFFER:
raise WinError(err)
szHardwareID = stringBuffer.value
# friendly name
if not SetupDiGetDeviceRegistryProperty(
hdi,
byref(devinfo),
SPDRP_FRIENDLYNAME,
None,
cast(stringBuffer, PBYTE),
sizeof(stringBuffer)-1,
None
):
# Ignore ERROR_INSUFFICIENT_BUFFER
err = GetLastError()
if err != ERROR_INSUFFICIENT_BUFFER:
raise WinError(err)
szFriendlyName = stringBuffer.value
portName = re.search(r"\((.*)\)", szFriendlyName).group(1)
result.append((portName, szFriendlyName, szHardwareID))
dwIndex += 1
SetupDiDestroyDeviceInfoList(hdi)
return result
def GetComPorts(availableOnly=True):
"""
Scans the registry for serial ports and return a list of (port, desc, hwid)
tuples.
If availableOnly is true only return currently existing ports.
"""
result = []
stringBuffer = create_unicode_buffer(256)
flags = DIGCF_DEVICEINTERFACE
if availableOnly:
flags |= DIGCF_PRESENT
hdi = SetupDiGetClassDevs(byref(GUID_CLASS_COMPORT), None, 0, flags)
if hdi == INVALID_HANDLE_VALUE:
raise WinError()
dwRequiredSize = DWORD()
dwIndex = 0
while True:
did = SP_DEVICE_INTERFACE_DATA()
did.cbSize = sizeof(did)
if not SetupDiEnumDeviceInterfaces(
hdi, None, byref(GUID_CLASS_COMPORT), dwIndex, byref(did)):
err = GetLastError()
if err != ERROR_NO_MORE_ITEMS:
raise WinError(err)
break
# get the size
if not SetupDiGetDeviceInterfaceDetail(hdi, byref(did), None, 0,
byref(dwRequiredSize), None):
# Ignore ERROR_INSUFFICIENT_BUFFER
err = GetLastError()
if err != ERROR_INSUFFICIENT_BUFFER:
raise WinError(err)
# allocate buffer
class _SP_DEVICE_INTERFACE_DETAIL_DATA(Structure):
_fields_ = [
('cbSize', DWORD),
('DevicePath', TCHAR * (dwRequiredSize.value - sizeof(DWORD))),
]
idd = _SP_DEVICE_INTERFACE_DETAIL_DATA()
idd.cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA)
devinfo = SP_DEVINFO_DATA()
devinfo.cbSize = sizeof(devinfo)
if not SetupDiGetDeviceInterfaceDetail(
hdi, byref(did),
cast(byref(idd), PSP_DEVICE_INTERFACE_DETAIL_DATA),
dwRequiredSize, None, byref(devinfo)):
raise WinError()
# hardware ID
if not SetupDiGetDeviceRegistryProperty(
hdi, byref(devinfo), SPDRP_HARDWAREID, None,
cast(stringBuffer, PBYTE),
sizeof(stringBuffer) - 1, None):
# Ignore ERROR_INSUFFICIENT_BUFFER
err = GetLastError()
if err != ERROR_INSUFFICIENT_BUFFER:
raise WinError(err)
szHardwareID = stringBuffer.value
# friendly name
if not SetupDiGetDeviceRegistryProperty(
hdi, byref(devinfo), SPDRP_FRIENDLYNAME, None,
cast(stringBuffer, PBYTE),
sizeof(stringBuffer) - 1, None):
# Ignore ERROR_INSUFFICIENT_BUFFER
err = GetLastError()
if err != ERROR_INSUFFICIENT_BUFFER:
raise WinError(err)
szFriendlyName = stringBuffer.value
portName = re.search(r"\((.*)\)", szFriendlyName).group(1)
result.append((portName, szFriendlyName, szHardwareID))
dwIndex += 1
SetupDiDestroyDeviceInfoList(hdi)
return result
