def run(self):
#TODO: handle errors here!!
try:
task = self.task
cmd_args, stdin_file, stdout_file, stderr_file = task._prepare_command(
)
logging.info("Running app task %s. Command line: %s." %
(self.task.name(), ' '.join(cmd_args)))
if stdin_file is not None:
logging.info("stdin redirected from %s" % stdin_file)
if stdout_file is not None:
logging.info("stdout redirected to %s" % stdout_file)
if stderr_file is not None:
logging.info("stderr redirected to %s" % stderr_file)
if self.process is not None:
raise Exception("Tried to run AppQueueEntry twice")
stdin = stdout = stderr = None
try:
# Open the file if the path is not None
stdin = openFile(stdin_file, 'r')
stdout = openFile(stdout_file, 'w')
stderr = openFile(stderr_file, 'w')
logging.debug("Launching %s" % repr(cmd_args))
#print "Starting a task"
# launch the process
exc = paths.lookup(cmd_args[0])
if exc is not None:
# Use the binary we just looked up, otherwise
# use the OS's resolution mechanism
cmd_args[0] = exc
try:
self.process = subprocess.Popen(
cmd_args,
stdin=stdin,
stdout=stdout,
stderr=stderr,
close_fds=True # don't inherit any open files this
# process may have. TODO: might not
# work on windows
)
except OSError, e:
self.failure_continuation(
self.task,
AppLaunchException(repr(self.task), cmd_args[0], e))
return False
finally:
# Don't need just-opened file descriptors in this process now
for f in (stdin, stderr, stdout):
if f is not None:
f.close()
self.task.started_callback()
return True
except Exception, e:
self.failure_continuation(self.task, e)
return False
def run(self):
task = self.task
cmd_args, stdin_file, stdout_file, stderr_file = task._prepare_command()
if self.process is not None:
raise Exception("Tried to run AppQueueEntry twice")
# Open the file if the path is not None
openFile = lambda fp, mode: fp and open(fp, mode)
stdin=openFile(stdin_file, 'r')
stdout=openFile(stdout_file, 'w')
stderr=openFile(stderr_file, 'w')
logging.debug("Launching %s" % repr(cmd_args))
#print "Starting a task"
# launch the process
exc = paths.lookup(cmd_args[0])
if exc is not None:
# Use the binary we just looked up, otherwise
# use the OS's resolution mechanism
cmd_args[0] = exc
self.process = subprocess.Popen(cmd_args,
stdin = stdin, stdout = stdout,
stderr = stderr,
close_fds=True # don't inherit any open files this
# process may have. TODO: might not
# work on windows
)
# Don't need just-opened file descriptors in this process now
for f in (stdin, stderr, stdout):
if f is not None:
f.close()
self.task.started_callback()
def run(self):
#TODO: handle errors here!!
try:
task = self.task
cmd_args, stdin_file, stdout_file, stderr_file = task._prepare_command()
logging.info("Running app task %s. Command line: %s." % (self.task.name(),
' '.join(cmd_args)))
if stdin_file is not None:
logging.info("stdin redirected from %s" % stdin_file)
if stdout_file is not None:
logging.info("stdout redirected to %s" % stdout_file)
if stderr_file is not None:
logging.info("stderr redirected to %s" % stderr_file)
if self.process is not None:
raise Exception("Tried to run AppQueueEntry twice")
stdin = stdout = stderr = None
try:
# Open the file if the path is not None
stdin=openFile(stdin_file, 'r')
stdout=openFile(stdout_file, 'w')
stderr=openFile(stderr_file, 'w')
logging.debug("Launching %s" % repr(cmd_args))
#print "Starting a task"
# launch the process
exc = paths.lookup(cmd_args[0])
if exc is not None:
# Use the binary we just looked up, otherwise
# use the OS's resolution mechanism
cmd_args[0] = exc
try:
self.process = subprocess.Popen(cmd_args,
stdin = stdin, stdout = stdout,
stderr = stderr,
close_fds=True # don't inherit any open files this
# process may have. TODO: might not
# work on windows
)
except OSError, e:
self.failure_continuation(self.task, AppLaunchException(repr(self.task),
cmd_args[0], e))
return False
finally:
# Don't need just-opened file descriptors in this process now
for f in (stdin, stderr, stdout):
if f is not None:
f.close()
self.task.started_callback()
return True
except Exception, e:
self.failure_continuation(self.task, e)
return False
def run(self):
task = self.task
cmd_args, stdin_file, stdout_file, stderr_file = task._prepare_command(
)
if self.process is not None:
raise Exception("Tried to run AppQueueEntry twice")
# Open the file if the path is not None
openFile = lambda fp, mode: fp and open(fp, mode)
stdin = openFile(stdin_file, 'r')
stdout = openFile(stdout_file, 'w')
stderr = openFile(stderr_file, 'w')
logging.debug("Launching %s" % repr(cmd_args))
#print "Starting a task"
# launch the process
exc = paths.lookup(cmd_args[0])
if exc is not None:
# Use the binary we just looked up, otherwise
# use the OS's resolution mechanism
cmd_args[0] = exc
self.process = subprocess.Popen(
cmd_args,
stdin=stdin,
stdout=stdout,
stderr=stderr,
close_fds=True # don't inherit any open files this
# process may have. TODO: might not
# work on windows
)
# Don't need just-opened file descriptors in this process now
for f in (stdin, stderr, stdout):
if f is not None:
f.close()
self.task.started_callback()
