integer
Execute file with arguments from args in a subprocess.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
return _spawnvef(mode, file, args, None, execv)
def spawnve(mode, file, args, env):
"""spawnve(mode, file, args, env) -> integer
Execute file with arguments from args in a subprocess with the
specified environment.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
return _spawnvef(mode, file, args, env, execve)
# Note: spawnvp[e] is't currently supported on Windows
def spawnvp(mode, file, args):
"""spawnvp(mode, file, args) -> integer
Execute file (which is looked for along $PATH) with arguments from
args in a subprocess.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
return _spawnvef(mode, file, args, None, execvp)
def spawnvpe(mode, file, args, env):
"""spawnvpe(mode, file, args, env) -> integer
Execute file (which is looked for along $PATH) with arguments from
args in a subprocess with the supplied environment.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
return _spawnvef(mode, file, args, env, execvpe)
if _exists("spawnv"):
# These aren't supplied by the basic Windows code
# but can be easily implemented in Python
def spawnl(mode, file, *args):
"""spawnl(mode, file, *args) -> integer
Execute file with arguments from args in a subprocess.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
return spawnv(mode, file, args)
def spawnle(mode, file, *args):
"""spawnle(mode, file, *args, env) -> integer
Execute file with arguments from args in a subprocess with the
supplied environment.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
env = args[-1]
return spawnve(mode, file, args[:-1], env)
__all__.extend(["spawnv", "spawnve", "spawnl", "spawnle",])
if _exists("spawnvp"):
# At the moment, Windows doesn't implement spawnvp[e],
# so it won't have spawnlp[e] either.
def spawnlp(mode, file, *args):
"""spawnlp(mode, file, *args) -> integer
Execute file (which is looked for along $PATH) with arguments from
args in a subprocess with the supplied environment.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
return spawnvp(mode, file, args)
def spawnlpe(mode, file, *args):
"""spawnlpe(mode, file, *args, env) -> integer
Execute file (which is looked for along $PATH) with arguments from
args in a subprocess with the supplied environment.
If mode == P_NOWAIT return the pid of the process.
If mode == P_WAIT return the process's exit code if it exits normally;
otherwise return -SIG, where SIG is the signal that killed it. """
env = args[-1]
return spawnvpe(mode, file, args[:-1], env)
__all__.extend(["spawnvp", "spawnvpe", "spawnlp", "spawnlpe",])
# Supply popen2 etc. (for Unix)
if _exists("fork"):
if not _exists("popen2"):
def popen2(cmd, mode="t", bufsize=-1):
"""Execute the shell command 'cmd' in a sub-process. On UNIX, 'cmd'
may be a sequence, in which case arguments will be passed directly to
the program without shell intervention (as with os.spawnv()). If 'cmd'
is a string it will be passed to the shell (as with os.system()). If
'bufsize' is specified, it sets the buffer size for the I/O pipes. The
file objects (child_stdin, child_stdout) are returned."""
import warnings
msg = "os.popen2 is deprecated. Use the subprocess module."
warnings.warn(msg, DeprecationWarning, stacklevel=2)
import subprocess
PIPE = subprocess.PIPE
p = subprocess.Popen(cmd, shell=isinstance(cmd, basestring),
bufsize=bufsize, stdin=PIPE, stdout=PIPE,
close_fds=True)
return p.stdin, p.stdout
__all__.append("popen2")
if not _exists("popen3"):
def popen3(cmd, mode="t", bufsize=-1):
"""Execute the shell command 'cmd' in a sub-process. On UNIX, 'cmd'
may be a sequence, in which case arguments will be passed directly to
the program without shell intervention (as with os.spawnv()). If 'cmd'
is a string it will be passed to the shell (as with os.system()). If
'bufsize' is specified, it sets the buffer size for the I/O pipes. The
file objects (child_stdin, child_stdout, child_stderr) are returned."""
import warnings
msg = "os.popen3 is deprecated. Use the subprocess module."
warnings.warn(msg, DeprecationWarning, stacklevel=2)
import subprocess
PIPE = subprocess.PIPE
p = subprocess.Popen(cmd, shell=isinstance(cmd, basestring),
bufsize=bufsize, stdin=PIPE, stdout=PIPE,
stderr=PIPE, close_fds=True)
return p.stdin, p.stdout, p.stderr
__all__.append("popen3")
if not _exists("popen4"):
def popen4(cmd, mode="t", bufsize=-1):
"""Execute the shell command 'cmd' in a sub-process. On UNIX, 'cmd'
may be a sequence, in which case arguments will be passed directly to
the program without shell intervention (as with os.spawnv()). If 'cmd'
is a string it will be passed to the shell (as with os.system()). If
'bufsize' is specified, it sets the buffer size for the I/O pipes. The
file objects (child_stdin, child_stdout_stderr) are returned."""
import warnings
msg = "os.popen4 is deprecated. Use the subprocess module."
warnings.warn(msg, DeprecationWarning, stacklevel=2)
import subprocess
PIPE = subprocess.PIPE
p = subprocess.Popen(cmd, shell=isinstance(cmd, basestring),
bufsize=bufsize, stdin=PIPE, stdout=PIPE,
stderr=subprocess.STDOUT, close_fds=True)
return p.stdin, p.stdout
__all__.append("popen4")
import copy_reg as _copy_reg
def _make_stat_result(tup, dict):
return stat_result(tup, dict)
def _pickle_stat_result(sr):
(type, args) = sr.__reduce__()
return (_make_stat_result, args)
try:
_copy_reg.pickle(stat_result, _pickle_stat_result, _make_stat_result)
except NameError: # stat_result may not exist
pass
def _make_statvfs_result(tup, dict):
return statvfs_result(tup, dict)
def _pickle_statvfs_result(sr):
(type, args) = sr.__reduce__()
return (_make_statvfs_result, args)
try:
_copy_reg.pickle(statvfs_result, _pickle_statvfs_result,
_make_statvfs_result)
except NameError: # statvfs_result may not exist
pass