done = True
import codecs, re
- from ctypes import WINFUNCTYPE, windll, POINTER, byref, c_int
+ from ctypes import WINFUNCTYPE, WinError, windll, POINTER, byref, c_int, get_last_error
from ctypes.wintypes import BOOL, HANDLE, DWORD, UINT, LPWSTR, LPCWSTR, LPVOID
+
from allmydata.util import log
from allmydata.util.encodingutil import canonical_encoding
# <https://msdn.microsoft.com/en-us/library/ms680621%28VS.85%29.aspx>
- SetErrorMode = WINFUNCTYPE(UINT, UINT)(("SetErrorMode", windll.kernel32))
+ SetErrorMode = WINFUNCTYPE(
+ UINT, UINT,
+ use_last_error=True
+ )(("SetErrorMode", windll.kernel32))
+
SEM_FAILCRITICALERRORS = 0x0001
SEM_NOOPENFILEERRORBOX = 0x8000
# <https://msdn.microsoft.com/en-us/library/ms683167(VS.85).aspx>
# BOOL WINAPI GetConsoleMode(HANDLE hConsole, LPDWORD lpMode);
- GetStdHandle = WINFUNCTYPE(HANDLE, DWORD)(("GetStdHandle", windll.kernel32))
+ GetStdHandle = WINFUNCTYPE(
+ HANDLE, DWORD,
+ use_last_error=True
+ )(("GetStdHandle", windll.kernel32))
+
STD_OUTPUT_HANDLE = DWORD(-11)
STD_ERROR_HANDLE = DWORD(-12)
- GetFileType = WINFUNCTYPE(DWORD, DWORD)(("GetFileType", windll.kernel32))
+
+ GetFileType = WINFUNCTYPE(
+ DWORD, DWORD,
+ use_last_error=True
+ )(("GetFileType", windll.kernel32))
+
FILE_TYPE_CHAR = 0x0002
FILE_TYPE_REMOTE = 0x8000
- GetConsoleMode = WINFUNCTYPE(BOOL, HANDLE, POINTER(DWORD))(("GetConsoleMode", windll.kernel32))
+
+ GetConsoleMode = WINFUNCTYPE(
+ BOOL, HANDLE, POINTER(DWORD),
+ use_last_error=True
+ )(("GetConsoleMode", windll.kernel32))
+
INVALID_HANDLE_VALUE = DWORD(-1).value
def not_a_console(handle):
real_stderr = False
if real_stdout or real_stderr:
+ # <https://msdn.microsoft.com/en-us/library/windows/desktop/ms687401%28v=vs.85%29.aspx>
# BOOL WINAPI WriteConsoleW(HANDLE hOutput, LPWSTR lpBuffer, DWORD nChars,
# LPDWORD lpCharsWritten, LPVOID lpReserved);
- WriteConsoleW = WINFUNCTYPE(BOOL, HANDLE, LPWSTR, DWORD, POINTER(DWORD), LPVOID) \
- (("WriteConsoleW", windll.kernel32))
+ WriteConsoleW = WINFUNCTYPE(
+ BOOL, HANDLE, LPWSTR, DWORD, POINTER(DWORD), LPVOID,
+ use_last_error=True
+ )(("WriteConsoleW", windll.kernel32))
class UnicodeOutput:
def __init__(self, hConsole, stream, fileno, name):
# There is a shorter-than-documented limitation on the length of the string
# passed to WriteConsoleW (see #1232).
retval = WriteConsoleW(self._hConsole, text, min(remaining, 10000), byref(n), None)
- if retval == 0 or n.value == 0:
- raise IOError("WriteConsoleW returned %r, n.value = %r" % (retval, n.value))
+ if retval == 0:
+ raise IOError("WriteConsoleW failed with WinError: %s" % (WinError(get_last_error()),))
+ if n.value == 0:
+ raise IOError("WriteConsoleW returned %r, n.value = 0" % (retval,))
remaining -= n.value
if remaining == 0: break
text = text[n.value:]
_complain("exception %r while fixing up sys.stdout and sys.stderr" % (e,))
# This works around <http://bugs.python.org/issue2128>.
- GetCommandLineW = WINFUNCTYPE(LPWSTR)(("GetCommandLineW", windll.kernel32))
- CommandLineToArgvW = WINFUNCTYPE(POINTER(LPWSTR), LPCWSTR, POINTER(c_int)) \
- (("CommandLineToArgvW", windll.shell32))
+
+ # <https://msdn.microsoft.com/en-us/library/windows/desktop/ms683156%28v=vs.85%29.aspx>
+ GetCommandLineW = WINFUNCTYPE(
+ LPWSTR,
+ use_last_error=True
+ )(("GetCommandLineW", windll.kernel32))
+
+ # <https://msdn.microsoft.com/en-us/library/windows/desktop/bb776391%28v=vs.85%29.aspx>
+ CommandLineToArgvW = WINFUNCTYPE(
+ POINTER(LPWSTR), LPCWSTR, POINTER(c_int),
+ use_last_error=True
+ )(("CommandLineToArgvW", windll.shell32))
argc = c_int(0)
argv_unicode = CommandLineToArgvW(GetCommandLineW(), byref(argc))
+ if argv_unicode is None:
+ raise WinError(get_last_error())
# Because of <http://bugs.python.org/issue8775> (and similar limitations in
# twisted), the 'bin/tahoe' script cannot invoke us with the actual Unicode arguments.