def _startBabelfish(self):
outfile = _NULFILE
sa = pywintypes.SECURITY_ATTRIBUTES()
sa.bInheritHandle = 1
try:
outh = win32file.CreateFile(outfile,
win32file.GENERIC_WRITE, 0, sa, win32file.CREATE_ALWAYS,
win32file.FILE_ATTRIBUTE_NORMAL, None)
except pywintypes.error:
self._error("error creating " + outfile)
raise
try:
inh = win32file.CreateFile(self.script,
win32file.GENERIC_READ, 0, sa, win32file.OPEN_EXISTING,
win32file.FILE_ATTRIBUTE_NORMAL, None)
except pywintypes.error:
self._error("error opening " + self.script)
win32api.CloseHandle(outh)
raise
argv = [self.applicationName, '--vanilla', '--slave']
commandLine = msc_argv2str(argv)
processSecurityAttributes = None
threadSecurityAttributes = None
fInheritHandles = 1
creationFlags = win32process.CREATE_NO_WINDOW
environment = None
currentDirectory = None
startupInfo = win32process.STARTUPINFO()
startupInfo.dwFlags = win32process.STARTF_USESTDHANDLES
startupInfo.hStdInput = inh
startupInfo.hStdOutput = outh
startupInfo.hStdError = outh
try:
procHandle, threadHandle, procId, threadId = win32process.CreateProcess(
self.applicationName, commandLine,
processSecurityAttributes, threadSecurityAttributes,
fInheritHandles, creationFlags,
environment, currentDirectory,
startupInfo)
win32api.CloseHandle(threadHandle)
except pywintypes.error:
self._error("error executing " + self.applicationName)
win32api.CloseHandle(outh)
win32api.CloseHandle(inh)
raise
win32api.CloseHandle(outh)
win32api.CloseHandle(inh)
return procHandle
def main(argv):
try:
from signal import signal, SIGHUP, SIGINT, SIG_IGN
signal(SIGHUP, SIG_IGN)
signal(SIGINT, SIG_IGN)
except ImportError:
# presumably we're on Windows: nothing to do
pass
try:
# this should work on posix systems and Windows with Python >= 2.6
subprocess.Popen(argv, close_fds=True)
except ValueError:
try:
# Python versions before 2.6 don't allow close_fds=True on Windows
import pywintypes
import win32process
try:
from nws.util import msc_argv2str, which
except ImportError:
# nws-python isn't installed, but we just need nwsutil.py
from nwsutil import msc_argv2str, which
if not os.path.isabs(argv[0]):
argv[0] = which(argv[0])[0]
commandLine = msc_argv2str(argv)
processSecurityAttributes = None
threadSecurityAttributes = None
fInheritHandles = 0
creationFlags = win32process.CREATE_NO_WINDOW
environment = None
currentDirectory = None
startupInfo = win32process.STARTUPINFO()
procHandle, threadHandle, procId, threadId = win32process.CreateProcess(
argv[0],
commandLine,
processSecurityAttributes,
threadSecurityAttributes,
fInheritHandles,
creationFlags,
environment,
currentDirectory,
startupInfo,
)
except ImportError:
# presumably we're on Windows using Python < 2.6
# we'll inherit handles, but this is better than nothing
subprocess.Popen(argv)
def _buildCmd(self):
return msc_argv2str([self.applicationName, '-u'])
