//usr/lib64/python3.9/distutils
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__pycache__ — dir
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command — dir
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__init__.py — 236 B
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_msvccompiler.py — 19.54 KB
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archive_util.py — 8.37 KB
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bcppcompiler.py — 14.54 KB
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ccompiler.py — 46.31 KB
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cmd.py — 17.66 KB
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config.py — 4.71 KB
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core.py — 8.67 KB
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cygwinccompiler.py — 16 KB
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debug.py — 139 B
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dep_util.py — 3.41 KB
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dir_util.py — 7.6 KB
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dist.py — 49.2 KB
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errors.py — 3.49 KB
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extension.py — 10.27 KB
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fancy_getopt.py — 17.37 KB
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file_util.py — 7.96 KB
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filelist.py — 12.53 KB
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log.py — 1.92 KB
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msvc9compiler.py — 29.74 KB
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msvccompiler.py — 22.99 KB
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README — 244 B
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spawn.py — 4.55 KB
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sysconfig.py — 20.15 KB
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text_file.py — 12.19 KB
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unixccompiler.py — 14.96 KB
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util.py — 20.42 KB
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version.py — 12.22 KB
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versionpredicate.py — 5.01 KB
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distutils
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"""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