def fromEnvironment(cls):
"""
Get as many of the platform-specific error translation objects as
possible and return an instance of C{cls} created with them.
"""
try:
from ctypes import WinError
except ImportError:
WinError = None
try:
from win32api import FormatMessage
except ImportError:
FormatMessage = None
try:
from socket import errorTab
except ImportError:
errorTab = None
return cls(WinError, FormatMessage, errorTab)
python类WinError()的实例源码
def write(self, data):
"""Output the given string over the serial port."""
if not self.hComPort: raise portNotOpenError
#~ if not isinstance(data, (bytes, bytearray)):
#~ raise TypeError('expected %s or bytearray, got %s' % (bytes, type(data)))
# convert data (needed in case of memoryview instance: Py 3.1 io lib), ctypes doesn't like memoryview
data = to_bytes(data)
if data:
#~ win32event.ResetEvent(self._overlappedWrite.hEvent)
n = win32.DWORD()
err = win32.WriteFile(self.hComPort, data, len(data), ctypes.byref(n), self._overlappedWrite)
if not err and win32.GetLastError() != win32.ERROR_IO_PENDING:
raise SerialException("WriteFile failed (%r)" % ctypes.WinError())
if self._writeTimeout != 0: # if blocking (None) or w/ write timeout (>0)
# Wait for the write to complete.
#~ win32.WaitForSingleObject(self._overlappedWrite.hEvent, win32.INFINITE)
err = win32.GetOverlappedResult(self.hComPort, self._overlappedWrite, ctypes.byref(n), True)
if n.value != len(data):
raise writeTimeoutError
return n.value
else:
return 0
def fromEnvironment(cls):
"""
Get as many of the platform-specific error translation objects as
possible and return an instance of C{cls} created with them.
"""
try:
from ctypes import WinError
except ImportError:
WinError = None
try:
from win32api import FormatMessage
except ImportError:
FormatMessage = None
try:
from socket import errorTab
except ImportError:
errorTab = None
return cls(WinError, FormatMessage, errorTab)
def areAdminRightsElevated():
'''
Tells you whether current script already has Administrative rights.
'''
pid = GetCurrentProcess()
processToken = HANDLE()
if not OpenProcessToken(pid, TOKEN_READ, ctypes.byref(processToken)):
raise ctypes.WinError()
try:
elevated, elevatedSize = DWORD(), DWORD()
if not GetTokenInformation(processToken, TokenElevation, ctypes.byref(elevated),
ctypes.sizeof(elevated), ctypes.byref(elevatedSize)):
raise ctypes.WinError()
return bool(elevated)
finally:
CloseHandle(processToken)
def fromEnvironment(cls):
"""
Get as many of the platform-specific error translation objects as
possible and return an instance of C{cls} created with them.
"""
try:
from ctypes import WinError
except ImportError:
WinError = None
try:
from win32api import FormatMessage
except ImportError:
FormatMessage = None
try:
from socket import errorTab
except ImportError:
errorTab = None
return cls(WinError, FormatMessage, errorTab)
def fromEnvironment(cls):
"""
Get as many of the platform-specific error translation objects as
possible and return an instance of C{cls} created with them.
"""
try:
from ctypes import WinError
except ImportError:
WinError = None
try:
from win32api import FormatMessage
except ImportError:
FormatMessage = None
try:
from socket import errorTab
except ImportError:
errorTab = None
return cls(WinError, FormatMessage, errorTab)
def _is_gui_available():
UOI_FLAGS = 1
WSF_VISIBLE = 0x0001
class USEROBJECTFLAGS(ctypes.Structure):
_fields_ = [("fInherit", ctypes.wintypes.BOOL),
("fReserved", ctypes.wintypes.BOOL),
("dwFlags", ctypes.wintypes.DWORD)]
dll = ctypes.windll.user32
h = dll.GetProcessWindowStation()
if not h:
raise ctypes.WinError()
uof = USEROBJECTFLAGS()
needed = ctypes.wintypes.DWORD()
res = dll.GetUserObjectInformationW(h,
UOI_FLAGS,
ctypes.byref(uof),
ctypes.sizeof(uof),
ctypes.byref(needed))
if not res:
raise ctypes.WinError()
return bool(uof.dwFlags & WSF_VISIBLE)
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def fromEnvironment(cls):
"""
Get as many of the platform-specific error translation objects as
possible and return an instance of C{cls} created with them.
"""
try:
from ctypes import WinError
except ImportError:
WinError = None
try:
from win32api import FormatMessage
except ImportError:
FormatMessage = None
try:
from socket import errorTab
except ImportError:
errorTab = None
return cls(WinError, FormatMessage, errorTab)
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def fromEnvironment(cls):
"""
Get as many of the platform-specific error translation objects as
possible and return an instance of C{cls} created with them.
"""
try:
from ctypes import WinError
except ImportError:
WinError = None
try:
from win32api import FormatMessage
except ImportError:
FormatMessage = None
try:
from socket import errorTab
except ImportError:
errorTab = None
return cls(WinError, FormatMessage, errorTab)
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def isatty():
if isatty.no_tty:
return False
f = sys.stdout
if f.isatty():
return True
if not iswindows:
return False
# Check for a cygwin ssh pipe
buf = ctypes.create_string_buffer(1024)
h = msvcrt.get_osfhandle(f.fileno())
if get_file_type(h) != 3:
return False
ret = get_file_info_by_handle(h, 2, buf, ctypes.sizeof(buf))
if not ret:
raise ctypes.WinError()
data = buf.raw
name = data[4:].decode('utf-16').rstrip(u'\0')
parts = name.split('-')
return parts[0] == r'\cygwin' and parts[2].startswith('pty') and parts[4] == 'master'
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def _stdout_thread(self, handle, func):
# Allocate the output buffer
data = ctypes.create_string_buffer(4096)
while True:
bytesRead = DWORD(0)
if not ReadFile(handle, data, 4096,
ctypes.byref(bytesRead), None):
le = GetLastError()
if le == ERROR_BROKEN_PIPE:
return
else:
raise ctypes.WinError()
# FIXME: Python3
s = data.value[0:bytesRead.value]
#print("\nv: %s" % repr(s), file=sys.stderr)
func(s.decode('utf_8', 'replace'))
def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD
SetFileAttributes.restype = ctypes.wintypes.BOOL
FILE_ATTRIBUTE_HIDDEN = 0x02
ret = SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN)
if not ret:
raise ctypes.WinError()
def _is_gui_available():
UOI_FLAGS = 1
WSF_VISIBLE = 0x0001
class USEROBJECTFLAGS(ctypes.Structure):
_fields_ = [("fInherit", ctypes.wintypes.BOOL),
("fReserved", ctypes.wintypes.BOOL),
("dwFlags", ctypes.wintypes.DWORD)]
dll = ctypes.windll.user32
h = dll.GetProcessWindowStation()
if not h:
raise ctypes.WinError()
uof = USEROBJECTFLAGS()
needed = ctypes.wintypes.DWORD()
res = dll.GetUserObjectInformationW(h,
UOI_FLAGS,
ctypes.byref(uof),
ctypes.sizeof(uof),
ctypes.byref(needed))
if not res:
raise ctypes.WinError()
return bool(uof.dwFlags & WSF_VISIBLE)
