/
os.py
541 lines (418 loc) · 12.7 KB
/
os.py
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# Python bytecode 2.7 (decompiled from Python 2.7)
# Embedded file name: scripts/common/Lib/os.py
import sys, errno
_names = sys.builtin_module_names
__all__ = ['altsep',
'curdir',
'pardir',
'sep',
'extsep',
'pathsep',
'linesep',
'defpath',
'name',
'path',
'devnull',
'SEEK_SET',
'SEEK_CUR',
'SEEK_END']
def _get_exports_list(module):
try:
return list(module.__all__)
except AttributeError:
return [ n for n in dir(module) if n[0] != '_' ]
if 'posix' in _names:
name = 'posix'
linesep = '\n'
from posix import *
try:
from posix import _exit
except ImportError:
pass
import posixpath as path
import posix
__all__.extend(_get_exports_list(posix))
del posix
elif 'nt' in _names:
name = 'nt'
linesep = '\r\n'
from nt import *
try:
from nt import _exit
except ImportError:
pass
import ntpath as path
import nt
__all__.extend(_get_exports_list(nt))
del nt
elif 'os2' in _names:
name = 'os2'
linesep = '\r\n'
from os2 import *
try:
from os2 import _exit
except ImportError:
pass
if sys.version.find('EMX GCC') == -1:
import ntpath as path
else:
import os2emxpath as path
from _emx_link import link
import os2
__all__.extend(_get_exports_list(os2))
del os2
elif 'ce' in _names:
name = 'ce'
linesep = '\r\n'
from ce import *
try:
from ce import _exit
except ImportError:
pass
import ntpath as path
import ce
__all__.extend(_get_exports_list(ce))
del ce
elif 'riscos' in _names:
name = 'riscos'
linesep = '\n'
from riscos import *
try:
from riscos import _exit
except ImportError:
pass
import riscospath as path
import riscos
__all__.extend(_get_exports_list(riscos))
del riscos
else:
raise ImportError, 'no os specific module found'
sys.modules['os.path'] = path
from os.path import curdir, pardir, sep, pathsep, defpath, extsep, altsep, devnull
del _names
SEEK_SET = 0
SEEK_CUR = 1
SEEK_END = 2
def makedirs(name, mode=511):
head, tail = path.split(name)
if not tail:
head, tail = path.split(head)
if head and tail and not path.exists(head):
try:
makedirs(head, mode)
except OSError as e:
if e.errno != errno.EEXIST:
raise
if tail == curdir:
return
mkdir(name, mode)
def removedirs(name):
rmdir(name)
head, tail = path.split(name)
if not tail:
head, tail = path.split(head)
while head and tail:
try:
rmdir(head)
except error:
break
head, tail = path.split(head)
def renames(old, new):
head, tail = path.split(new)
if head and tail and not path.exists(head):
makedirs(head)
rename(old, new)
head, tail = path.split(old)
if head and tail:
try:
removedirs(head)
except error:
pass
__all__.extend(['makedirs', 'removedirs', 'renames'])
def walk(top, topdown=True, onerror=None, followlinks=False):
islink, join, isdir = path.islink, path.join, path.isdir
try:
names = listdir(top)
except error as err:
if onerror is not None:
onerror(err)
return
dirs, nondirs = [], []
for name in names:
if isdir(join(top, name)):
dirs.append(name)
nondirs.append(name)
if topdown:
yield (top, dirs, nondirs)
for name in dirs:
new_path = join(top, name)
if followlinks or not islink(new_path):
for x in walk(new_path, topdown, onerror, followlinks):
yield x
if not topdown:
yield (top, dirs, nondirs)
return
__all__.append('walk')
try:
environ
except NameError:
environ = {}
def execl(file, *args):
execv(file, args)
def execle(file, *args):
env = args[-1]
execve(file, args[:-1], env)
def execlp(file, *args):
execvp(file, args)
def execlpe(file, *args):
env = args[-1]
execvpe(file, args[:-1], env)
def execvp(file, args):
_execvpe(file, args)
def execvpe(file, args, env):
_execvpe(file, args, env)
__all__.extend(['execl',
'execle',
'execlp',
'execlpe',
'execvp',
'execvpe'])
def _execvpe(file, args, env=None):
if env is not None:
func = execve
argrest = (args, env)
else:
func = execv
argrest = (args,)
env = environ
head, tail = path.split(file)
if head:
func(file, *argrest)
return
else:
if 'PATH' in env:
envpath = env['PATH']
else:
envpath = defpath
PATH = envpath.split(pathsep)
saved_exc = None
saved_tb = None
for dir in PATH:
fullname = path.join(dir, file)
try:
func(fullname, *argrest)
except error as e:
tb = sys.exc_info()[2]
if e.errno != errno.ENOENT and e.errno != errno.ENOTDIR and saved_exc is None:
saved_exc = e
saved_tb = tb
if saved_exc:
raise error, saved_exc, saved_tb
raise error, e, tb
return
try:
putenv
except NameError:
pass
else:
import UserDict
if name in ('os2', 'nt'):
def unsetenv(key):
putenv(key, '')
if name == 'riscos':
from riscosenviron import _Environ
elif name in ('os2', 'nt'):
class _Environ(UserDict.IterableUserDict):
def __init__(self, environ):
UserDict.UserDict.__init__(self)
data = self.data
for k, v in environ.items():
data[k.upper()] = v
def __setitem__(self, key, item):
putenv(key, item)
self.data[key.upper()] = item
def __getitem__(self, key):
return self.data[key.upper()]
try:
unsetenv
except NameError:
def __delitem__(self, key):
del self.data[key.upper()]
else:
def __delitem__(self, key):
unsetenv(key)
del self.data[key.upper()]
def clear(self):
for key in self.data.keys():
unsetenv(key)
del self.data[key]
def pop(self, key, *args):
unsetenv(key)
return self.data.pop(key.upper(), *args)
def has_key(self, key):
return key.upper() in self.data
def __contains__(self, key):
return key.upper() in self.data
def get(self, key, failobj=None):
return self.data.get(key.upper(), failobj)
def update(self, dict=None, **kwargs):
if dict:
try:
keys = dict.keys()
except AttributeError:
for k, v in dict:
self[k] = v
else:
for k in keys:
self[k] = dict[k]
if kwargs:
self.update(kwargs)
def copy(self):
return dict(self)
else:
class _Environ(UserDict.IterableUserDict):
def __init__(self, environ):
UserDict.UserDict.__init__(self)
self.data = environ
def __setitem__(self, key, item):
putenv(key, item)
self.data[key] = item
def update(self, dict=None, **kwargs):
if dict:
try:
keys = dict.keys()
except AttributeError:
for k, v in dict:
self[k] = v
else:
for k in keys:
self[k] = dict[k]
if kwargs:
self.update(kwargs)
try:
unsetenv
except NameError:
pass
else:
def __delitem__(self, key):
unsetenv(key)
del self.data[key]
def clear(self):
for key in self.data.keys():
unsetenv(key)
del self.data[key]
def pop(self, key, *args):
unsetenv(key)
return self.data.pop(key, *args)
def copy(self):
return dict(self)
environ = _Environ(environ)
def getenv(key, default=None):
return environ.get(key, default)
__all__.append('getenv')
def _exists(name):
return name in globals()
if _exists('fork') and not _exists('spawnv') and _exists('execv'):
P_WAIT = 0
P_NOWAIT = P_NOWAITO = 1
def _spawnvef(mode, file, args, env, func):
pid = fork()
if not pid:
try:
if env is None:
func(file, args)
else:
func(file, args, env)
except:
_exit(127)
else:
if mode == P_NOWAIT:
return pid
while 1:
wpid, sts = waitpid(pid, 0)
if WIFSTOPPED(sts):
continue
if WIFSIGNALED(sts):
return -WTERMSIG(sts)
if WIFEXITED(sts):
return WEXITSTATUS(sts)
raise error, 'Not stopped, signaled or exited???'
return
def spawnv(mode, file, args):
return _spawnvef(mode, file, args, None, execv)
def spawnve(mode, file, args, env):
return _spawnvef(mode, file, args, env, execve)
def spawnvp(mode, file, args):
return _spawnvef(mode, file, args, None, execvp)
def spawnvpe(mode, file, args, env):
return _spawnvef(mode, file, args, env, execvpe)
if _exists('spawnv'):
def spawnl(mode, file, *args):
return spawnv(mode, file, args)
def spawnle(mode, file, *args):
env = args[-1]
return spawnve(mode, file, args[:-1], env)
__all__.extend(['spawnv',
'spawnve',
'spawnl',
'spawnle'])
if _exists('spawnvp'):
def spawnlp(mode, file, *args):
return spawnvp(mode, file, args)
def spawnlpe(mode, file, *args):
env = args[-1]
return spawnvpe(mode, file, args[:-1], env)
__all__.extend(['spawnvp',
'spawnvpe',
'spawnlp',
'spawnlpe'])
if _exists('fork'):
if not _exists('popen2'):
def popen2(cmd, mode='t', bufsize=-1):
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):
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):
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:
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:
pass