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Unified Diff: tools/telemetry/third_party/pyserial/serial/tools/list_ports_windows.py

Issue 1647513002: Delete tools/telemetry. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: tools/telemetry/third_party/pyserial/serial/tools/list_ports_windows.py
diff --git a/tools/telemetry/third_party/pyserial/serial/tools/list_ports_windows.py b/tools/telemetry/third_party/pyserial/serial/tools/list_ports_windows.py
deleted file mode 100644
index ca597ca43e4670469926f8f766e1fa5d7de44bdb..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/pyserial/serial/tools/list_ports_windows.py
+++ /dev/null
@@ -1,240 +0,0 @@
-import ctypes
-import re
-
-def ValidHandle(value, func, arguments):
- if value == 0:
- raise ctypes.WinError()
- return value
-
-import serial
-from serial.win32 import ULONG_PTR, is_64bit
-from ctypes.wintypes import HANDLE
-from ctypes.wintypes import BOOL
-from ctypes.wintypes import HWND
-from ctypes.wintypes import DWORD
-from ctypes.wintypes import WORD
-from ctypes.wintypes import LONG
-from ctypes.wintypes import ULONG
-from ctypes.wintypes import LPCSTR
-from ctypes.wintypes import HKEY
-from ctypes.wintypes import BYTE
-
-NULL = 0
-HDEVINFO = ctypes.c_void_p
-PCTSTR = ctypes.c_char_p
-PTSTR = ctypes.c_void_p
-CHAR = ctypes.c_char
-LPDWORD = PDWORD = ctypes.POINTER(DWORD)
-#~ LPBYTE = PBYTE = ctypes.POINTER(BYTE)
-LPBYTE = PBYTE = ctypes.c_void_p # XXX avoids error about types
-
-ACCESS_MASK = DWORD
-REGSAM = ACCESS_MASK
-
-
-def byte_buffer(length):
- """Get a buffer for a string"""
- return (BYTE*length)()
-
-def string(buffer):
- s = []
- for c in buffer:
- if c == 0: break
- s.append(chr(c & 0xff)) # "& 0xff": hack to convert signed to unsigned
- return ''.join(s)
-
-
-class GUID(ctypes.Structure):
- _fields_ = [
- ('Data1', DWORD),
- ('Data2', WORD),
- ('Data3', WORD),
- ('Data4', BYTE*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)
-
-PSP_DEVICE_INTERFACE_DETAIL_DATA = ctypes.c_void_p
-
-setupapi = ctypes.windll.LoadLibrary("setupapi")
-SetupDiDestroyDeviceInfoList = setupapi.SetupDiDestroyDeviceInfoList
-SetupDiDestroyDeviceInfoList.argtypes = [HDEVINFO]
-SetupDiDestroyDeviceInfoList.restype = BOOL
-
-SetupDiClassGuidsFromName = setupapi.SetupDiClassGuidsFromNameA
-SetupDiClassGuidsFromName.argtypes = [PCTSTR, ctypes.POINTER(GUID), DWORD, PDWORD]
-SetupDiClassGuidsFromName.restype = BOOL
-
-SetupDiEnumDeviceInfo = setupapi.SetupDiEnumDeviceInfo
-SetupDiEnumDeviceInfo.argtypes = [HDEVINFO, DWORD, PSP_DEVINFO_DATA]
-SetupDiEnumDeviceInfo.restype = BOOL
-
-SetupDiGetClassDevs = setupapi.SetupDiGetClassDevsA
-SetupDiGetClassDevs.argtypes = [ctypes.POINTER(GUID), PCTSTR, HWND, DWORD]
-SetupDiGetClassDevs.restype = HDEVINFO
-SetupDiGetClassDevs.errcheck = ValidHandle
-
-SetupDiGetDeviceRegistryProperty = setupapi.SetupDiGetDeviceRegistryPropertyA
-SetupDiGetDeviceRegistryProperty.argtypes = [HDEVINFO, PSP_DEVINFO_DATA, DWORD, PDWORD, PBYTE, DWORD, PDWORD]
-SetupDiGetDeviceRegistryProperty.restype = BOOL
-
-SetupDiGetDeviceInstanceId = setupapi.SetupDiGetDeviceInstanceIdA
-SetupDiGetDeviceInstanceId.argtypes = [HDEVINFO, PSP_DEVINFO_DATA, PTSTR, DWORD, PDWORD]
-SetupDiGetDeviceInstanceId.restype = BOOL
-
-SetupDiOpenDevRegKey = setupapi.SetupDiOpenDevRegKey
-SetupDiOpenDevRegKey.argtypes = [HDEVINFO, PSP_DEVINFO_DATA, DWORD, DWORD, DWORD, REGSAM]
-SetupDiOpenDevRegKey.restype = HKEY
-
-advapi32 = ctypes.windll.LoadLibrary("Advapi32")
-RegCloseKey = advapi32.RegCloseKey
-RegCloseKey.argtypes = [HKEY]
-RegCloseKey.restype = LONG
-
-RegQueryValueEx = advapi32.RegQueryValueExA
-RegQueryValueEx.argtypes = [HKEY, LPCSTR, LPDWORD, LPDWORD, LPBYTE, LPDWORD]
-RegQueryValueEx.restype = LONG
-
-
-DIGCF_PRESENT = 2
-DIGCF_DEVICEINTERFACE = 16
-INVALID_HANDLE_VALUE = 0
-ERROR_INSUFFICIENT_BUFFER = 122
-SPDRP_HARDWAREID = 1
-SPDRP_FRIENDLYNAME = 12
-DICS_FLAG_GLOBAL = 1
-DIREG_DEV = 0x00000001
-KEY_READ = 0x20019
-
-# workaround for compatibility between Python 2.x and 3.x
-Ports = serial.to_bytes([80, 111, 114, 116, 115]) # "Ports"
-PortName = serial.to_bytes([80, 111, 114, 116, 78, 97, 109, 101]) # "PortName"
-
-def comports():
- GUIDs = (GUID*8)() # so far only seen one used, so hope 8 are enough...
- guids_size = DWORD()
- if not SetupDiClassGuidsFromName(
- Ports,
- GUIDs,
- ctypes.sizeof(GUIDs),
- ctypes.byref(guids_size)):
- raise ctypes.WinError()
-
- # repeat for all possible GUIDs
- for index in range(guids_size.value):
- g_hdi = SetupDiGetClassDevs(
- ctypes.byref(GUIDs[index]),
- None,
- NULL,
- DIGCF_PRESENT) # was DIGCF_PRESENT|DIGCF_DEVICEINTERFACE which misses CDC ports
-
- devinfo = SP_DEVINFO_DATA()
- devinfo.cbSize = ctypes.sizeof(devinfo)
- index = 0
- while SetupDiEnumDeviceInfo(g_hdi, index, ctypes.byref(devinfo)):
- index += 1
-
- # get the real com port name
- hkey = SetupDiOpenDevRegKey(
- g_hdi,
- ctypes.byref(devinfo),
- DICS_FLAG_GLOBAL,
- 0,
- DIREG_DEV, # DIREG_DRV for SW info
- KEY_READ)
- port_name_buffer = byte_buffer(250)
- port_name_length = ULONG(ctypes.sizeof(port_name_buffer))
- RegQueryValueEx(
- hkey,
- PortName,
- None,
- None,
- ctypes.byref(port_name_buffer),
- ctypes.byref(port_name_length))
- RegCloseKey(hkey)
-
- # unfortunately does this method also include parallel ports.
- # we could check for names starting with COM or just exclude LPT
- # and hope that other "unknown" names are serial ports...
- if string(port_name_buffer).startswith('LPT'):
- continue
-
- # hardware ID
- szHardwareID = byte_buffer(250)
- # try to get ID that includes serial number
- if not SetupDiGetDeviceInstanceId(
- g_hdi,
- ctypes.byref(devinfo),
- ctypes.byref(szHardwareID),
- ctypes.sizeof(szHardwareID) - 1,
- None):
- # fall back to more generic hardware ID if that would fail
- 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()
- # stringify
- szHardwareID_str = string(szHardwareID)
-
- # in case of USB, make a more readable string, similar to that form
- # that we also generate on other platforms
- if szHardwareID_str.startswith('USB'):
- m = re.search(r'VID_([0-9a-f]{4})&PID_([0-9a-f]{4})(\\(\w+))?', szHardwareID_str, re.I)
- if m:
- if m.group(4):
- szHardwareID_str = 'USB VID:PID=%s:%s SNR=%s' % (m.group(1), m.group(2), m.group(4))
- else:
- szHardwareID_str = 'USB VID:PID=%s:%s' % (m.group(1), m.group(2))
-
- # friendly name
- szFriendlyName = byte_buffer(250)
- if not SetupDiGetDeviceRegistryProperty(
- g_hdi,
- ctypes.byref(devinfo),
- SPDRP_FRIENDLYNAME,
- #~ SPDRP_DEVICEDESC,
- None,
- ctypes.byref(szFriendlyName),
- ctypes.sizeof(szFriendlyName) - 1,
- None):
- # Ignore ERROR_INSUFFICIENT_BUFFER
- #~ if ctypes.GetLastError() != ERROR_INSUFFICIENT_BUFFER:
- #~ raise IOError("failed to get details for %s (%s)" % (devinfo, szHardwareID.value))
- # ignore errors and still include the port in the list, friendly name will be same as port name
- yield string(port_name_buffer), 'n/a', szHardwareID_str
- else:
- yield string(port_name_buffer), string(szFriendlyName), szHardwareID_str
-
- SetupDiDestroyDeviceInfoList(g_hdi)
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-# test
-if __name__ == '__main__':
- import serial
-
- for port, desc, hwid in sorted(comports()):
- print "%s: %s [%s]" % (port, desc, hwid)

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