def execute(command, host=None, bg=True, **kwds):
'''execute a command (possibly) on a remote host
Execute a process, and return the launcher. Use 'response' to retrieve the
response from the executed command. Use 'kill' to kill the launcher, and 'pid'
to get the process id for the launcher.
Inputs:
command -- command string to be executed
host -- hostname of execution target [default = None (i.e. run locally)]
bg -- run as background process? [default = True]
'''
#XXX: options, background, stdin can be set w/ kwds (also name, launcher)
bg = bool(bg) # overrides 'background'
if host in [None, '']:
from pathos.connection import Pipe
launcher = Pipe(**kwds)
launcher(command=command, background=bg)
else:
from pathos.secure import Pipe
opt = kwds.pop('options', '-q')
launcher = Pipe(**kwds)
launcher(options=opt, command=command, host=host, background=bg)
pathos.logger().info('executing {%s}', launcher.message)
launcher.launch()
#response = launcher.response()
#launcher.kill()
#return response
return launcher
def execute(command, host=None, bg=True, **kwds):
'''execute a command (possibly) on a remote host
Execute a process, and return the launcher. Use 'response' to retrieve the
response from the executed command. Use 'kill' to kill the launcher, and 'pid'
to get the process id for the launcher.
Inputs:
command -- command string to be executed
host -- hostname of execution target [default = None (i.e. run locally)]
bg -- run as background process? [default = True]
'''
#XXX: options, background, stdin can be set w/ kwds (also name, launcher)
bg = bool(bg) # overrides 'background'
if host in [None, '']:
from pathos.connection import Pipe
launcher = Pipe(**kwds)
launcher(command=command, background=bg)
else:
from pathos.secure import Pipe
opt = kwds.pop('options', '-q')
launcher = Pipe(**kwds)
launcher(options=opt, command=command, host=host, background=bg)
pathos.logger().info('executing {%s}', launcher.message)
launcher.launch()
#response = launcher.response()
#launcher.kill()
#return response
return launcher
def randomport(host=None):
'''select a open port on a (possibly) remote host
Inputs:
host -- hostname on which to select a open port
'''
from pathos.portpicker import randomport
if not host:
return randomport()
from pathos.secure import Pipe
from pathos.portpicker import __file__ as src
# make sure src is a .py file, not .pyc or .pyo
src = src.rstrip('co')
launcher = Pipe() #XXX: use pox.which / which_python?
launcher(command='python', host=host, background=False, stdin=open(src))
pathos.logger().info('executing {python <%s} on %s', src, host)
launcher.launch()
try:
rport = int(launcher.response())
except:
from pathos.secure import TunnelException
raise TunnelException("failure to pick remote port")
# return remote port number
return rport
def randomport(host=None):
'''select a open port on a (possibly) remote host
Inputs:
host -- hostname on which to select a open port
'''
from pathos.portpicker import randomport
if not host:
return randomport()
from pathos.secure import Pipe
from pathos.portpicker import __file__ as src
# make sure src is a .py file, not .pyc or .pyo
src = src.rstrip('co')
launcher = Pipe() #XXX: use pox.which / which_python?
launcher(command='python', host=host, background=False, stdin=open(src))
pathos.logger().info('executing {python <%s} on %s', src, host)
launcher.launch()
try:
rport = int(launcher.response())
except:
from pathos.secure import TunnelException
raise TunnelException("failure to pick remote port")
# return remote port number
return rport
