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Added os.popen2() and os.popen3() for non-Windows platforms.

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This commit is contained in:
Fred Drake 2000-08-28 17:20:05 +00:00
parent e67d8e514f
commit 31f182e830
4 changed files with 57 additions and 4 deletions
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8
Lib/popen2.py
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@ -89,7 +89,8 @@ class Popen3:
_active.remove(self)
return self.sts
if hasattr(os, "popen2"):
if sys.platform[:3] == "win":
def popen2(cmd, mode='t', bufsize=-1):
"""Execute the shell command 'cmd' in a sub-process. If 'bufsize' is
specified, it sets the buffer size for the I/O pipes. The file objects
@ -109,7 +110,7 @@ else:
inst = Popen3(cmd, 0, bufsize)
return inst.fromchild, inst.tochild
if hasattr(os, "popen3"):
if sys.platform[:3] == "win":
def popen3(cmd, mode='t', bufsize=-1):
"""Execute the shell command 'cmd' in a sub-process. If 'bufsize' is
specified, it sets the buffer size for the I/O pipes. The file objects
@ -129,7 +130,7 @@ else:
inst = Popen3(cmd, 1, bufsize)
return inst.fromchild, inst.tochild, inst.childerr
if hasattr(os, "popen4"):
if sys.platform[:3] == "win":
def popen4(cmd, mode='t', bufsize=-1):
"""Execute the shell command 'cmd' in a sub-process. If 'bufsize' is
specified, it sets the buffer size for the I/O pipes. The file objects
@ -139,6 +140,7 @@ if hasattr(os, "popen4"):
else:
pass # not yet on unix
def _test():
cmd = "cat"
teststr = "abc\n"