def run(child_name, params=[], process_finished_callback=None, base_dir='.', protocol_class=ChildProcessProtocol):
"""
This is another portable solution to execute a process.
"""
if dhnio.isFrozen() and dhnio.Windows():
progpath = os.path.abspath(os.path.join(base_dir, child_name + '.exe'))
executable = progpath
cmdargs = [progpath]
cmdargs.extend(params)
else:
progpath = os.path.abspath(os.path.join(base_dir, child_name + '.py'))
executable = sys.executable
cmdargs = [executable, progpath]
cmdargs.extend(params)
if not os.path.isfile(executable):
dhnio.Dprint(1, 'child_process.run ERROR %s not found' % executable)
return None
if not os.path.isfile(progpath):
dhnio.Dprint(1, 'child_process.run ERROR %s not found' % progpath)
return None
dhnio.Dprint(6, 'child_process.run: "%s"' % (' '.join(cmdargs)))
if dhnio.Windows():
from twisted.internet import _dumbwin32proc
real_CreateProcess = _dumbwin32proc.win32process.CreateProcess
def fake_createprocess(_appName, _commandLine, _processAttributes,
_threadAttributes, _bInheritHandles, creationFlags,
_newEnvironment, _currentDirectory, startupinfo):
import win32con
flags = win32con.CREATE_NO_WINDOW
return real_CreateProcess(_appName, _commandLine,
_processAttributes, _threadAttributes,
_bInheritHandles, flags, _newEnvironment,
_currentDirectory, startupinfo)
setattr(_dumbwin32proc.win32process, 'CreateProcess', fake_createprocess)
try:
Process = reactor.spawnProcess(protocol_class(child_name), executable, cmdargs, path=base_dir)
except:
dhnio.Dprint(1, 'child_process.run ERROR executing: %s' % str(cmdargs))
dhnio.DprintException()
return None
if dhnio.Windows():
setattr(_dumbwin32proc.win32process, 'CreateProcess', real_CreateProcess)
dhnio.Dprint(6, 'child_process.run [%s] pid=%d' % (child_name, Process.pid))
return Process
def run(params=[], process_finished_callback=None):
global _BaseDir
global _CSpaceProcess
if _CSpaceProcess is not None:
return None
if dhnio.isFrozen() and dhnio.Windows():
progpath = os.path.abspath(os.path.join(_BaseDir, 'dhnet.exe'))
executable = progpath
cmdargs = [progpath]
cmdargs.extend(params)
else:
progpath = os.path.abspath(os.path.join(_BaseDir, 'dhnet.py'))
executable = sys.executable
cmdargs = [executable, progpath]
cmdargs.extend(params)
if not os.path.isfile(executable):
dhnio.Dprint(1, 'transport_cspace.run ERROR %s not found' % executable)
return None
if not os.path.isfile(progpath):
dhnio.Dprint(1, 'transport_cspace.run ERROR %s not found' % progpath)
return None
dhnio.Dprint(6, 'transport_cspace.run execute: "%s"' % (' '.join(cmdargs)))
if dhnio.Windows():
from twisted.internet import _dumbwin32proc
real_CreateProcess = _dumbwin32proc.win32process.CreateProcess
def fake_createprocess(_appName, _commandLine, _processAttributes,
_threadAttributes, _bInheritHandles, creationFlags,
_newEnvironment, _currentDirectory, startupinfo):
import win32con
flags = win32con.CREATE_NO_WINDOW
return real_CreateProcess(_appName, _commandLine,
_processAttributes, _threadAttributes,
_bInheritHandles, flags, _newEnvironment,
_currentDirectory, startupinfo)
setattr(_dumbwin32proc.win32process, 'CreateProcess', fake_createprocess)
try:
_CSpaceProcess = reactor.spawnProcess(CSpaceServiceProtocol(process_finished_callback), executable, cmdargs, path=_BaseDir)
except:
dhnio.Dprint(1, 'transport_cspace.run ERROR executing: %s' % str(cmdargs))
dhnio.DprintException()
return None
if dhnio.Windows():
setattr(_dumbwin32proc.win32process, 'CreateProcess', real_CreateProcess)
dhnio.Dprint(6, 'transport_cspace.run pid=%d' % _CSpaceProcess.pid)
return _CSpaceProcess
