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File Content: `scanwin32.py`

import ctypes
import re

def ValidHandle(value):
    if value == 0:
        raise ctypes.WinError()
    return value

NULL = 0
HDEVINFO = ctypes.c_int
BOOL = ctypes.c_int
CHAR = ctypes.c_char
PCTSTR = ctypes.c_char_p
HWND = ctypes.c_uint
DWORD = ctypes.c_ulong
PDWORD = ctypes.POINTER(DWORD)
ULONG = ctypes.c_ulong
ULONG_PTR = ctypes.POINTER(ULONG)
#~ PBYTE = ctypes.c_char_p
PBYTE = ctypes.c_void_p

class GUID(ctypes.Structure):
    _fields_ = [
        ('Data1', ctypes.c_ulong),
        ('Data2', ctypes.c_ushort),
        ('Data3', ctypes.c_ushort),
        ('Data4', ctypes.c_ubyte*8),
    ]
    def __str__(self):
        return "{%08x-%04x-%04x-%s-%s}" % (
            self.Data1,
            self.Data2,
            self.Data3,
            ''.join(["%02x" % d for d in self.Data4[:2]]),
            ''.join(["%02x" % d for d in self.Data4[2:]]),
        )

class SP_DEVINFO_DATA(ctypes.Structure):
    _fields_ = [
        ('cbSize', DWORD),
        ('ClassGuid', GUID),
        ('DevInst', DWORD),
        ('Reserved', ULONG_PTR),
    ]
    def __str__(self):
        return "ClassGuid:%s DevInst:%s" % (self.ClassGuid, self.DevInst)
PSP_DEVINFO_DATA = ctypes.POINTER(SP_DEVINFO_DATA)

class SP_DEVICE_INTERFACE_DATA(ctypes.Structure):
    _fields_ = [
        ('cbSize', DWORD),
        ('InterfaceClassGuid', GUID),
        ('Flags', DWORD),
        ('Reserved', ULONG_PTR),
    ]
    def __str__(self):
        return "InterfaceClassGuid:%s Flags:%s" % (self.InterfaceClassGuid, self.Flags)

PSP_DEVICE_INTERFACE_DATA = ctypes.POINTER(SP_DEVICE_INTERFACE_DATA)

PSP_DEVICE_INTERFACE_DETAIL_DATA = ctypes.c_void_p

class dummy(ctypes.Structure):
    _fields_=[("d1", DWORD), ("d2", CHAR)]
    _pack_ = 1
SIZEOF_SP_DEVICE_INTERFACE_DETAIL_DATA_A = ctypes.sizeof(dummy)

SetupDiDestroyDeviceInfoList = ctypes.windll.setupapi.SetupDiDestroyDeviceInfoList
SetupDiDestroyDeviceInfoList.argtypes = [HDEVINFO]
SetupDiDestroyDeviceInfoList.restype = BOOL

SetupDiGetClassDevs = ctypes.windll.setupapi.SetupDiGetClassDevsA
SetupDiGetClassDevs.argtypes = [ctypes.POINTER(GUID), PCTSTR, HWND, DWORD]
SetupDiGetClassDevs.restype = ValidHandle # HDEVINFO

SetupDiEnumDeviceInterfaces = ctypes.windll.setupapi.SetupDiEnumDeviceInterfaces
SetupDiEnumDeviceInterfaces.argtypes = [HDEVINFO, PSP_DEVINFO_DATA, ctypes.POINTER(GUID), DWORD, PSP_DEVICE_INTERFACE_DATA]
SetupDiEnumDeviceInterfaces.restype = BOOL

SetupDiGetDeviceInterfaceDetail = ctypes.windll.setupapi.SetupDiGetDeviceInterfaceDetailA
SetupDiGetDeviceInterfaceDetail.argtypes = [HDEVINFO, PSP_DEVICE_INTERFACE_DATA, PSP_DEVICE_INTERFACE_DETAIL_DATA, DWORD, PDWORD, PSP_DEVINFO_DATA]
SetupDiGetDeviceInterfaceDetail.restype = BOOL

SetupDiGetDeviceRegistryProperty = ctypes.windll.setupapi.SetupDiGetDeviceRegistryPropertyA
SetupDiGetDeviceRegistryProperty.argtypes = [HDEVINFO, PSP_DEVINFO_DATA, DWORD, PDWORD, PBYTE, DWORD, PDWORD]
SetupDiGetDeviceRegistryProperty.restype = BOOL


GUID_CLASS_COMPORT = GUID(0x86e0d1e0L, 0x8089, 0x11d0,
    (ctypes.c_ubyte*8)(0x9c, 0xe4, 0x08, 0x00, 0x3e, 0x30, 0x1f, 0x73))

DIGCF_PRESENT = 2
DIGCF_DEVICEINTERFACE = 16
INVALID_HANDLE_VALUE = 0
ERROR_INSUFFICIENT_BUFFER = 122
SPDRP_HARDWAREID = 1
SPDRP_FRIENDLYNAME = 12
SPDRP_LOCATION_INFORMATION = 13
ERROR_NO_MORE_ITEMS = 259

def comports(available_only=True):
    """This generator scans the device registry for com ports and yields
    (order, port, desc, hwid).  If available_only is true only return currently
    existing ports. Order is a helper to get sorted lists. it can be ignored
    otherwise."""
    flags = DIGCF_DEVICEINTERFACE
    if available_only:
        flags |= DIGCF_PRESENT
    g_hdi = SetupDiGetClassDevs(ctypes.byref(GUID_CLASS_COMPORT), None, NULL, flags);
    #~ for i in range(256):
    for dwIndex in range(256):
        did = SP_DEVICE_INTERFACE_DATA()
        did.cbSize = ctypes.sizeof(did)

        if not SetupDiEnumDeviceInterfaces(
            g_hdi,
            None,
            ctypes.byref(GUID_CLASS_COMPORT),
            dwIndex,
            ctypes.byref(did)
        ):
            if ctypes.GetLastError() != ERROR_NO_MORE_ITEMS:
                raise ctypes.WinError()
            break

        dwNeeded = DWORD()
        # get the size
        if not SetupDiGetDeviceInterfaceDetail(
            g_hdi,
            ctypes.byref(did),
            None, 0, ctypes.byref(dwNeeded),
            None
        ):
            # Ignore ERROR_INSUFFICIENT_BUFFER
            if ctypes.GetLastError() != ERROR_INSUFFICIENT_BUFFER:
                raise ctypes.WinError()
        # allocate buffer
        class SP_DEVICE_INTERFACE_DETAIL_DATA_A(ctypes.Structure):
            _fields_ = [
                ('cbSize', DWORD),
                ('DevicePath', CHAR*(dwNeeded.value - ctypes.sizeof(DWORD))),
            ]
            def __str__(self):
                return "DevicePath:%s" % (self.DevicePath,)
        idd = SP_DEVICE_INTERFACE_DETAIL_DATA_A()
        idd.cbSize = SIZEOF_SP_DEVICE_INTERFACE_DETAIL_DATA_A
        devinfo = SP_DEVINFO_DATA()
        devinfo.cbSize = ctypes.sizeof(devinfo)
        if not SetupDiGetDeviceInterfaceDetail(
            g_hdi,
            ctypes.byref(did),
            ctypes.byref(idd), dwNeeded, None,
            ctypes.byref(devinfo)
        ):
            raise ctypes.WinError()

        # hardware ID
        szHardwareID = ctypes.create_string_buffer(250)
        if not SetupDiGetDeviceRegistryProperty(
            g_hdi,
            ctypes.byref(devinfo),
            SPDRP_HARDWAREID,
            None,
            ctypes.byref(szHardwareID), ctypes.sizeof(szHardwareID) - 1,
            None
        ):
            # Ignore ERROR_INSUFFICIENT_BUFFER
            if ctypes.GetLastError() != ERROR_INSUFFICIENT_BUFFER:
                raise ctypes.WinError()

        # friendly name
        szFriendlyName = ctypes.create_string_buffer(1024)
        if not SetupDiGetDeviceRegistryProperty(
            g_hdi,
            ctypes.byref(devinfo),
            SPDRP_FRIENDLYNAME,
            None,
            ctypes.byref(szFriendlyName), ctypes.sizeof(szFriendlyName) - 1,
            None
        ):
            # Ignore ERROR_INSUFFICIENT_BUFFER
            if ctypes.GetLastError() != ERROR_INSUFFICIENT_BUFFER:
                #~ raise ctypes.WinError()
                # not getting friendly name for com0com devices, try something else
                szFriendlyName = ctypes.create_string_buffer(1024)
                if SetupDiGetDeviceRegistryProperty(
                    g_hdi,
                    ctypes.byref(devinfo),
                    SPDRP_LOCATION_INFORMATION,
                    None,
                    ctypes.byref(szFriendlyName), ctypes.sizeof(szFriendlyName) - 1,
                    None
                ):
                    port_name = "\\\\.\\" + szFriendlyName.value
                    order = None
                else:
                    port_name = szFriendlyName.value
                    order = None
        else:
            try:
                m = re.search(r"\((.*?(\d+))\)", szFriendlyName.value)
                #~ print szFriendlyName.value, m.groups()
                port_name = m.group(1)
                order = int(m.group(2))
            except AttributeError, msg:
                port_name = szFriendlyName.value
                order = None
        yield order, port_name, szFriendlyName.value, szHardwareID.value

    SetupDiDestroyDeviceInfoList(g_hdi)


if __name__ == '__main__':
    import serial
    print "-"*78
    print "Serial ports"
    print "-"*78
    for order, port, desc, hwid in sorted(comports()):
        print "%-10s: %s (%s) ->" % (port, desc, hwid),
        try:
            serial.Serial(port) # test open
        except serial.serialutil.SerialException:
            print "can't be openend"
        else:
            print "Ready"
    print
    # list of all ports the system knows
    print "-"*78
    print "All serial ports (registry)"
    print "-"*78
    for order, port, desc, hwid in sorted(comports(False)):
        print "%-10s: %s (%s)" % (port, desc, hwid)
Name	Size	Permission
enhancedserial.py	2169 bytes	0644
port_publisher.py	17458 bytes	0644
port_publisher.sh	1054 bytes	0644
rfc2217_server.py	6685 bytes	0644
scan.py	762 bytes	0644
scanlinux.py	481 bytes	0644
scanwin32.py	8092 bytes	0644
setup-miniterm-py2exe.py	609 bytes	0644
setup-rfc2217_server-py2exe.py	518 bytes	0644
setup-wxTerminal-py2exe.py	917 bytes	0644
tcp_serial_redirect.py	10530 bytes	0644
wxSerialConfigDialog.py	11779 bytes	0644
wxSerialConfigDialog.wxg	13539 bytes	0644
wxTerminal.py	13531 bytes	0644
wxTerminal.wxg	5645 bytes	0644
Command Bosku:

File Content: scanwin32.py

File Content: `scanwin32.py`
