Current Dir: /snap/core22/2437/usr/lib/python3.10/
[DIR] asyncio [ delete | rename ]
[DIR] collections [ delete | rename ]
[DIR] concurrent [ delete | rename ]
[DIR] ctypes [ delete | rename ]
[DIR] curses [ delete | rename ]
[DIR] dbm [ delete | rename ]
[DIR] distutils [ delete | rename ]
[DIR] email [ delete | rename ]
[DIR] encodings [ delete | rename ]
[DIR] html [ delete | rename ]
[DIR] http [ delete | rename ]
[DIR] importlib [ delete | rename ]
[DIR] json [ delete | rename ]
[DIR] lib-dynload [ delete | rename ]
[DIR] lib2to3 [ delete | rename ]
[DIR] logging [ delete | rename ]
[DIR] multiprocessing [ delete | rename ]
[DIR] pydoc_data [ delete | rename ]
[DIR] sqlite3 [ delete | rename ]
[DIR] test [ delete | rename ]
[DIR] unittest [ delete | rename ]
[DIR] urllib [ delete | rename ]
[DIR] venv [ delete | rename ]
[DIR] wsgiref [ delete | rename ]
[DIR] xml [ delete | rename ]
[DIR] xmlrpc [ delete | rename ]
[DIR] zoneinfo [ delete | rename ]
[DIR] __pycache__ [ delete | rename ]
[FILE] abc.py [ edit | delete | rename ]
[FILE] aifc.py [ edit | delete | rename ]
[FILE] antigravity.py [ edit | delete | rename ]
[FILE] argparse.py [ edit | delete | rename ]
[FILE] ast.py [ edit | delete | rename ]
[FILE] asynchat.py [ edit | delete | rename ]
[FILE] asyncore.py [ edit | delete | rename ]
[FILE] base64.py [ edit | delete | rename ]
[FILE] bdb.py [ edit | delete | rename ]
[FILE] binhex.py [ edit | delete | rename ]
[FILE] bisect.py [ edit | delete | rename ]
[FILE] bz2.py [ edit | delete | rename ]
[FILE] calendar.py [ edit | delete | rename ]
[FILE] cgi.py [ edit | delete | rename ]
[FILE] cgitb.py [ edit | delete | rename ]
[FILE] chunk.py [ edit | delete | rename ]
[FILE] cmd.py [ edit | delete | rename ]
[FILE] code.py [ edit | delete | rename ]
[FILE] codecs.py [ edit | delete | rename ]
[FILE] codeop.py [ edit | delete | rename ]
[FILE] colorsys.py [ edit | delete | rename ]
[FILE] compileall.py [ edit | delete | rename ]
[FILE] configparser.py [ edit | delete | rename ]
[FILE] contextlib.py [ edit | delete | rename ]
[FILE] contextvars.py [ edit | delete | rename ]
[FILE] copy.py [ edit | delete | rename ]
[FILE] copyreg.py [ edit | delete | rename ]
[FILE] cProfile.py [ edit | delete | rename ]
[FILE] crypt.py [ edit | delete | rename ]
[FILE] csv.py [ edit | delete | rename ]
[FILE] dataclasses.py [ edit | delete | rename ]
[FILE] datetime.py [ edit | delete | rename ]
[FILE] decimal.py [ edit | delete | rename ]
[FILE] difflib.py [ edit | delete | rename ]
[FILE] dis.py [ edit | delete | rename ]
[FILE] doctest.py [ edit | delete | rename ]
[FILE] enum.py [ edit | delete | rename ]
[FILE] filecmp.py [ edit | delete | rename ]
[FILE] fileinput.py [ edit | delete | rename ]
[FILE] fnmatch.py [ edit | delete | rename ]
[FILE] fractions.py [ edit | delete | rename ]
[FILE] ftplib.py [ edit | delete | rename ]
[FILE] functools.py [ edit | delete | rename ]
[FILE] genericpath.py [ edit | delete | rename ]
[FILE] getopt.py [ edit | delete | rename ]
[FILE] getpass.py [ edit | delete | rename ]
[FILE] gettext.py [ edit | delete | rename ]
[FILE] glob.py [ edit | delete | rename ]
[FILE] graphlib.py [ edit | delete | rename ]
[FILE] gzip.py [ edit | delete | rename ]
[FILE] hashlib.py [ edit | delete | rename ]
[FILE] heapq.py [ edit | delete | rename ]
[FILE] hmac.py [ edit | delete | rename ]
[FILE] imaplib.py [ edit | delete | rename ]
[FILE] imghdr.py [ edit | delete | rename ]
[FILE] imp.py [ edit | delete | rename ]
[FILE] inspect.py [ edit | delete | rename ]
[FILE] io.py [ edit | delete | rename ]
[FILE] ipaddress.py [ edit | delete | rename ]
[FILE] keyword.py [ edit | delete | rename ]
[FILE] LICENSE.txt [ edit | delete | rename ]
[FILE] linecache.py [ edit | delete | rename ]
[FILE] locale.py [ edit | delete | rename ]
[FILE] lzma.py [ edit | delete | rename ]
[FILE] mailbox.py [ edit | delete | rename ]
[FILE] mailcap.py [ edit | delete | rename ]
[FILE] mimetypes.py [ edit | delete | rename ]
[FILE] modulefinder.py [ edit | delete | rename ]
[FILE] netrc.py [ edit | delete | rename ]
[FILE] nntplib.py [ edit | delete | rename ]
[FILE] ntpath.py [ edit | delete | rename ]
[FILE] nturl2path.py [ edit | delete | rename ]
[FILE] numbers.py [ edit | delete | rename ]
[FILE] opcode.py [ edit | delete | rename ]
[FILE] operator.py [ edit | delete | rename ]
[FILE] optparse.py [ edit | delete | rename ]
[FILE] os.py [ edit | delete | rename ]
[FILE] pathlib.py [ edit | delete | rename ]
[FILE] pdb.py [ edit | delete | rename ]
[FILE] pickle.py [ edit | delete | rename ]
[FILE] pickletools.py [ edit | delete | rename ]
[FILE] pipes.py [ edit | delete | rename ]
[FILE] pkgutil.py [ edit | delete | rename ]
[FILE] platform.py [ edit | delete | rename ]
[FILE] plistlib.py [ edit | delete | rename ]
[FILE] poplib.py [ edit | delete | rename ]
[FILE] posixpath.py [ edit | delete | rename ]
[FILE] pprint.py [ edit | delete | rename ]
[FILE] profile.py [ edit | delete | rename ]
[FILE] pstats.py [ edit | delete | rename ]
[FILE] pty.py [ edit | delete | rename ]
[FILE] pyclbr.py [ edit | delete | rename ]
[FILE] pydoc.py [ edit | delete | rename ]
[FILE] py_compile.py [ edit | delete | rename ]
[FILE] queue.py [ edit | delete | rename ]
[FILE] quopri.py [ edit | delete | rename ]
[FILE] random.py [ edit | delete | rename ]
[FILE] re.py [ edit | delete | rename ]
[FILE] reprlib.py [ edit | delete | rename ]
[FILE] rlcompleter.py [ edit | delete | rename ]
[FILE] runpy.py [ edit | delete | rename ]
[FILE] sched.py [ edit | delete | rename ]
[FILE] secrets.py [ edit | delete | rename ]
[FILE] selectors.py [ edit | delete | rename ]
[FILE] shelve.py [ edit | delete | rename ]
[FILE] shlex.py [ edit | delete | rename ]
[FILE] shutil.py [ edit | delete | rename ]
[FILE] signal.py [ edit | delete | rename ]
[FILE] site.py [ edit | delete | rename ]
[FILE] sitecustomize.py [ edit | delete | rename ]
[FILE] smtpd.py [ edit | delete | rename ]
[FILE] smtplib.py [ edit | delete | rename ]
[FILE] sndhdr.py [ edit | delete | rename ]
[FILE] socket.py [ edit | delete | rename ]
[FILE] socketserver.py [ edit | delete | rename ]
[FILE] sre_compile.py [ edit | delete | rename ]
[FILE] sre_constants.py [ edit | delete | rename ]
[FILE] sre_parse.py [ edit | delete | rename ]
[FILE] ssl.py [ edit | delete | rename ]
[FILE] stat.py [ edit | delete | rename ]
[FILE] statistics.py [ edit | delete | rename ]
[FILE] string.py [ edit | delete | rename ]
[FILE] stringprep.py [ edit | delete | rename ]
[FILE] struct.py [ edit | delete | rename ]
[FILE] subprocess.py [ edit | delete | rename ]
[FILE] sunau.py [ edit | delete | rename ]
[FILE] symtable.py [ edit | delete | rename ]
[FILE] sysconfig.py [ edit | delete | rename ]
[FILE] tabnanny.py [ edit | delete | rename ]
[FILE] tarfile.py [ edit | delete | rename ]
[FILE] telnetlib.py [ edit | delete | rename ]
[FILE] tempfile.py [ edit | delete | rename ]
[FILE] textwrap.py [ edit | delete | rename ]
[FILE] this.py [ edit | delete | rename ]
[FILE] threading.py [ edit | delete | rename ]
[FILE] timeit.py [ edit | delete | rename ]
[FILE] token.py [ edit | delete | rename ]
[FILE] tokenize.py [ edit | delete | rename ]
[FILE] trace.py [ edit | delete | rename ]
[FILE] traceback.py [ edit | delete | rename ]
[FILE] tracemalloc.py [ edit | delete | rename ]
[FILE] tty.py [ edit | delete | rename ]
[FILE] turtle.py [ edit | delete | rename ]
[FILE] types.py [ edit | delete | rename ]
[FILE] typing.py [ edit | delete | rename ]
[FILE] uu.py [ edit | delete | rename ]
[FILE] uuid.py [ edit | delete | rename ]
[FILE] warnings.py [ edit | delete | rename ]
[FILE] wave.py [ edit | delete | rename ]
[FILE] weakref.py [ edit | delete | rename ]
[FILE] webbrowser.py [ edit | delete | rename ]
[FILE] xdrlib.py [ edit | delete | rename ]
[FILE] zipapp.py [ edit | delete | rename ]
[FILE] zipfile.py [ edit | delete | rename ]
[FILE] zipimport.py [ edit | delete | rename ]
[FILE] _aix_support.py [ edit | delete | rename ]
[FILE] _bootsubprocess.py [ edit | delete | rename ]
[FILE] _collections_abc.py [ edit | delete | rename ]
[FILE] _compat_pickle.py [ edit | delete | rename ]
[FILE] _compression.py [ edit | delete | rename ]
[FILE] _distutils_system_mod.py [ edit | delete | rename ]
[FILE] _markupbase.py [ edit | delete | rename ]
[FILE] _osx_support.py [ edit | delete | rename ]
[FILE] _pydecimal.py [ edit | delete | rename ]
[FILE] _pyio.py [ edit | delete | rename ]
[FILE] _py_abc.py [ edit | delete | rename ]
[FILE] _sitebuiltins.py [ edit | delete | rename ]
[FILE] _strptime.py [ edit | delete | rename ]
[FILE] _sysconfigdata__linux_x86_64-linux-gnu.py [ edit | delete | rename ]
[FILE] _sysconfigdata__x86_64-linux-gnu.py [ edit | delete | rename ]
[FILE] _threading_local.py [ edit | delete | rename ]
[FILE] _weakrefset.py [ edit | delete | rename ]
[FILE] __future__.py [ edit | delete | rename ]
[FILE] __phello__.foo.py [ edit | delete | rename ]
Viewing: /snap/core22/2437/usr/lib/python3.10/_bootsubprocess.py
"""
Basic subprocess implementation for POSIX which only uses os functions. Only
implement features required by setup.py to build C extension modules when
subprocess is unavailable. setup.py is not used on Windows.
"""
import os
# distutils.spawn used by distutils.command.build_ext
# calls subprocess.Popen().wait()
class Popen:
def __init__(self, cmd, env=None):
self._cmd = cmd
self._env = env
self.returncode = None
def wait(self):
pid = os.fork()
if pid == 0:
# Child process
try:
if self._env is not None:
os.execve(self._cmd[0], self._cmd, self._env)
else:
os.execv(self._cmd[0], self._cmd)
finally:
os._exit(1)
else:
# Parent process
_, status = os.waitpid(pid, 0)
self.returncode = os.waitstatus_to_exitcode(status)
return self.returncode
def _check_cmd(cmd):
# Use regex [a-zA-Z0-9./-]+: reject empty string, space, etc.
safe_chars = []
for first, last in (("a", "z"), ("A", "Z"), ("0", "9")):
for ch in range(ord(first), ord(last) + 1):
safe_chars.append(chr(ch))
safe_chars.append("./-")
safe_chars = ''.join(safe_chars)
if isinstance(cmd, (tuple, list)):
check_strs = cmd
elif isinstance(cmd, str):
check_strs = [cmd]
else:
return False
for arg in check_strs:
if not isinstance(arg, str):
return False
if not arg:
# reject empty string
return False
for ch in arg:
if ch not in safe_chars:
return False
return True
# _aix_support used by distutil.util calls subprocess.check_output()
def check_output(cmd, **kwargs):
if kwargs:
raise NotImplementedError(repr(kwargs))
if not _check_cmd(cmd):
raise ValueError(f"unsupported command: {cmd!r}")
tmp_filename = "check_output.tmp"
if not isinstance(cmd, str):
cmd = " ".join(cmd)
cmd = f"{cmd} >{tmp_filename}"
try:
# system() spawns a shell
status = os.system(cmd)
exitcode = os.waitstatus_to_exitcode(status)
if exitcode:
raise ValueError(f"Command {cmd!r} returned non-zero "
f"exit status {exitcode!r}")
try:
with open(tmp_filename, "rb") as fp:
stdout = fp.read()
except FileNotFoundError:
stdout = b''
finally:
try:
os.unlink(tmp_filename)
except OSError:
pass
return stdout