init

.venv/lib/python3.8/site-packages/IPython/utils/_process_cli.py

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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