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__pycache__	-	Open
archive_util.py	8.37 MB	View DL Edit
bcppcompiler.py	14.54 MB	View DL Edit
ccompiler.py	46.31 MB	View DL Edit
cmd.py	17.66 MB	View DL Edit
config.py	4.71 MB	View DL Edit
core.py	8.67 MB	View DL Edit
cygwinccompiler.py	16 MB	View DL Edit
debug.py	139 B	View DL Edit
dep_util.py	3.41 MB	View DL Edit
dir_util.py	7.6 MB	View DL Edit
dist.py	49.2 MB	View DL Edit
errors.py	3.49 MB	View DL Edit
extension.py	10.27 MB	View DL Edit
fancy_getopt.py	17.37 MB	View DL Edit
filelist.py	12.53 MB	View DL Edit
file_util.py	7.96 MB	View DL Edit
log.py	1.92 MB	View DL Edit
msvc9compiler.py	29.74 MB	View DL Edit
msvccompiler.py	22.99 MB	View DL Edit
README	244 B	View DL Edit
spawn.py	4.55 MB	View DL Edit
sysconfig.py	20.15 MB	View DL Edit
text_file.py	12.19 MB	View DL Edit
unixccompiler.py	14.96 MB	View DL Edit
util.py	20.42 MB	View DL Edit
version.py	12.22 MB	View DL Edit
versionpredicate.py	5.01 MB	View DL Edit
_msvccompiler.py	19.54 MB	View DL Edit
__init__.py	236 B	View DL Edit

Edit file: /opt/alt/python39/lib64/python3.9/distutils/spawn.py

"""distutils.spawn

Provides the 'spawn()' function, a front-end to various platform-
specific functions for launching another program in a sub-process.
Also provides the 'find_executable()' to search the path for a given
executable name.
"""

import sys
import os
import subprocess

from distutils.errors import DistutilsPlatformError, DistutilsExecError
from distutils.debug import DEBUG
from distutils import log

if sys.platform == 'darwin':
    _cfg_target = None
    _cfg_target_split = None

def spawn(cmd, search_path=1, verbose=0, dry_run=0):
    """Run another program, specified as a command list 'cmd', in a new process.

'cmd' is just the argument list for the new process, ie.
    cmd[0] is the program to run and cmd[1:] are the rest of its arguments.
    There is no way to run a program with a name different from that of its
    executable.

If 'search_path' is true (the default), the system's executable
    search path will be used to find the program; otherwise, cmd[0]
    must be the exact path to the executable.  If 'dry_run' is true,
    the command will not actually be run.

Raise DistutilsExecError if running the program fails in any way; just
    return on success.
    """
    # cmd is documented as a list, but just in case some code passes a tuple
    # in, protect our %-formatting code against horrible death
    cmd = list(cmd)

log.info(' '.join(cmd))
    if dry_run:
        return

if search_path:
        executable = find_executable(cmd[0])
        if executable is not None:
            cmd[0] = executable

env = None
    if sys.platform == 'darwin':
        global _cfg_target, _cfg_target_split
        if _cfg_target is None:
            from distutils import sysconfig
            _cfg_target = sysconfig.get_config_var(
                                  'MACOSX_DEPLOYMENT_TARGET') or ''
            if _cfg_target:
                _cfg_target_split = [int(x) for x in _cfg_target.split('.')]
        if _cfg_target:
            # Ensure that the deployment target of the build process is not
            # less than 10.3 if the interpreter was built for 10.3 or later.
            # This ensures extension modules are built with correct
            # compatibility values, specifically LDSHARED which can use
            # '-undefined dynamic_lookup' which only works on >= 10.3.
            cur_target = os.environ.get('MACOSX_DEPLOYMENT_TARGET', _cfg_target)
            cur_target_split = [int(x) for x in cur_target.split('.')]
            if _cfg_target_split[:2] >= [10, 3] and cur_target_split[:2] < [10, 3]:
                my_msg = ('$MACOSX_DEPLOYMENT_TARGET mismatch: '
                          'now "%s" but "%s" during configure;'
                          'must use 10.3 or later'
                                % (cur_target, _cfg_target))
                raise DistutilsPlatformError(my_msg)
            env = dict(os.environ,
                       MACOSX_DEPLOYMENT_TARGET=cur_target)

try:
        proc = subprocess.Popen(cmd, env=env)
        proc.wait()
        exitcode = proc.returncode
    except OSError as exc:
        if not DEBUG:
            cmd = cmd[0]
        raise DistutilsExecError(
            "command %r failed: %s" % (cmd, exc.args[-1])) from exc

if exitcode:
        if not DEBUG:
            cmd = cmd[0]
        raise DistutilsExecError(
              "command %r failed with exit code %s" % (cmd, exitcode))

def find_executable(executable, path=None):
    """Tries to find 'executable' in the directories listed in 'path'.

A string listing directories separated by 'os.pathsep'; defaults to
    os.environ['PATH'].  Returns the complete filename or None if not found.
    """
    _, ext = os.path.splitext(executable)
    if (sys.platform == 'win32') and (ext != '.exe'):
        executable = executable + '.exe'

if os.path.isfile(executable):
        return executable

if path is None:
        path = os.environ.get('PATH', None)
        if path is None:
            try:
                path = os.confstr("CS_PATH")
            except (AttributeError, ValueError):
                # os.confstr() or CS_PATH is not available
                path = os.defpath
        # bpo-35755: Don't use os.defpath if the PATH environment variable is
        # set to an empty string

# PATH='' doesn't match, whereas PATH=':' looks in the current directory
    if not path:
        return None

paths = path.split(os.pathsep)
    for p in paths:
        f = os.path.join(p, executable)
        if os.path.isfile(f):
            # the file exists, we have a shot at spawn working
            return f
    return None

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