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"""cli-specific implementation of process utilities.
cli - Common Language Infrastructure for IronPython. Code
can run on any operating system. Check os.name for os-
specific settings.
This file is only meant to be imported by process.py, not by end-users.
This file is largely untested. To become a full drop-in process
interface for IronPython will probably require you to help fill
in the details.
"""
# Import cli libraries:
import clr
import System
# Import Python libraries:
import os
# Import IPython libraries:
from ._process_common import arg_split
def system(cmd):
"""
system(cmd) should work in a cli environment on Mac OSX, Linux,
and Windows
"""
psi = System.Diagnostics.ProcessStartInfo(cmd)
psi.RedirectStandardOutput = True
psi.RedirectStandardError = True
psi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal
psi.UseShellExecute = False
# Start up process:
reg = System.Diagnostics.Process.Start(psi)
def getoutput(cmd):
"""
getoutput(cmd) should work in a cli environment on Mac OSX, Linux,
and Windows
"""
psi = System.Diagnostics.ProcessStartInfo(cmd)
psi.RedirectStandardOutput = True
psi.RedirectStandardError = True
psi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal
psi.UseShellExecute = False
# Start up process:
reg = System.Diagnostics.Process.Start(psi)
myOutput = reg.StandardOutput
output = myOutput.ReadToEnd()
myError = reg.StandardError
error = myError.ReadToEnd()
return output
def check_pid(pid):
"""
Check if a process with the given PID (pid) exists
"""
try:
System.Diagnostics.Process.GetProcessById(pid)
# process with given pid is running
return True
except System.InvalidOperationException:
# process wasn't started by this object (but is running)
return True
except System.ArgumentException:
# process with given pid isn't running
return False
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