kiilerix avatar kiilerix committed 076401c avoid using popen2.Popen4 - use subprocess instead

Use subprocess to emulate Popen4 if available - similar to how it is done in

Using popen2 under python 2.6 gives
DeprecationWarning: The popen2 module is deprecated. Use the subprocess module.

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Files changed (1)


 import errno
 import optparse
 import os
-import popen2
+    import subprocess
+    subprocess.Popen  # trigger ImportError early
+    closefds = == 'posix'
+    def Popen4(cmd, bufsize=-1):
+        p = subprocess.Popen(cmd, shell=True, bufsize=bufsize,
+                             close_fds=closefds,
+                             stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+                             stderr=subprocess.STDOUT)
+        p.fromchild = p.stdout
+        p.tochild = p.stdin
+        p.childerr = p.stderr
+        return p
+except ImportError:
+    subprocess = None
+    from popen2 import Popen4
 import shutil
 import signal
 import sys
         if ret == None:
             ret = 0
-        proc = popen2.Popen4(cmd)
+        proc = Popen4(cmd)
             output = ''
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