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- changed the nt.popen2 return values back to

Browse source 
(write, read, ...), based on feedback from GvR.

- added tuple-swapping code to popen2.py

- fixed some runaway indentation in posixmodule.c
This commit is contained in:
Fredrik Lundh 2000-07-09 23:35:24 +00:00
parent 0466132ee4
commit 9ac81f69b2
2 changed files with 55 additions and 40 deletions
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35
Lib/popen2.py
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@ -89,9 +89,14 @@ class Popen3:
_active.remove(self)
return self.sts
try:
from os import popen2
except NameError:
if hasattr(os, "popen2"):
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
(child_stdout, child_stdin) are returned."""
w, r = os.popen2(cmd, mode, bufsize)
return r, w
else:
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
@ -104,9 +109,14 @@ except NameError:
inst = Popen3(cmd, 0, bufsize)
return inst.fromchild, inst.tochild
try:
from os import popen3
except NameError:
if hasattr(os, "popen3"):
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
(child_stdout, child_stdin, child_stderr) are returned."""
w, r, e = os.popen3(cmd, mode, bufsize)
return r, w, e
else:
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
@ -119,10 +129,15 @@ except NameError:
inst = Popen3(cmd, 1, bufsize)
return inst.fromchild, inst.tochild, inst.childerr
try:
from os import popen4
except NameError:
pass # not on unix
if hasattr(os, "popen4"):
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
(child_stdout_stderr, child_stdin) are returned."""
w, r = os.popen4(cmd, mode, bufsize)
return r, w
else:
pass # not yet on unix
def _test():
teststr = "abc\n"