golden hour

/lib64/python2.7/distutils

File/Folder	Size	Actions
README	295 B
__init__.py	337 B
__init__.pyc	385 B
__init__.pyo	385 B
archive_util.py	7.64 KB
archive_util.pyc	7.28 KB
archive_util.pyo	7.28 KB
bcppcompiler.py	14.59 KB
bcppcompiler.pyc	7.7 KB
bcppcompiler.pyo	7.7 KB
ccompiler.py	45.54 KB
ccompiler.pyc	35.96 KB
ccompiler.pyo	35.82 KB
cmd.py	18.82 KB
cmd.pyc	16.41 KB
cmd.pyo	16.41 KB
command	-
config.py	4.03 KB
config.pyc	3.49 KB
config.pyo	3.49 KB
core.py	8.88 KB
core.pyc	7.5 KB
core.pyo	7.5 KB
cygwinccompiler.py	16.87 KB
cygwinccompiler.pyc	9.19 KB
cygwinccompiler.pyo	9.19 KB
debug.py	162 B
debug.pyc	254 B
debug.pyo	254 B
dep_util.py	3.43 KB
dep_util.pyc	3.11 KB
dep_util.pyo	3.11 KB
dir_util.py	7.78 KB
dir_util.pyc	6.72 KB
dir_util.pyo	6.72 KB
dist.py	48.88 KB
dist.pyc	38.64 KB
dist.pyo	38.64 KB
emxccompiler.py	11.65 KB
emxccompiler.pyc	7.29 KB
emxccompiler.pyo	7.29 KB
errors.py	3.41 KB
errors.pyc	6.14 KB
errors.pyo	6.14 KB
extension.py	10.65 KB
extension.pyc	7.24 KB
extension.pyo	7.02 KB
fancy_getopt.py	17.53 KB
fancy_getopt.pyc	11.68 KB
fancy_getopt.pyo	11.5 KB
file_util.py	7.61 KB
file_util.pyc	6.47 KB
file_util.pyo	6.47 KB
filelist.py	12.39 KB
filelist.pyc	10.51 KB
filelist.pyo	10.51 KB
log.py	1.65 KB
log.pyc	2.72 KB
log.pyo	2.72 KB
msvc9compiler.py	30.29 KB
msvc9compiler.pyc	21.04 KB
msvc9compiler.pyo	20.96 KB
msvccompiler.py	23.08 KB
msvccompiler.pyc	17.11 KB
msvccompiler.pyo	17.11 KB
spawn.py	7.61 KB
spawn.pyc	6.02 KB
spawn.pyo	6.02 KB
sysconfig.py	16.52 KB
sysconfig.py.debug-build	16.42 KB
sysconfig.pyc	12.96 KB
sysconfig.pyo	12.96 KB
text_file.py	12.12 KB
text_file.pyc	9.03 KB
text_file.pyo	9.03 KB
unixccompiler.py	12.56 KB
unixccompiler.py.distutils-rpath	12.03 KB
unixccompiler.pyc	7.76 KB
unixccompiler.pyo	7.76 KB
util.py	18.28 KB
util.pyc	14.58 KB
util.pyo	14.58 KB
version.py	11.17 KB
version.pyc	7.04 KB
version.pyo	7.04 KB
versionpredicate.py	4.98 KB
versionpredicate.pyc	5.41 KB
versionpredicate.pyo	5.41 KB

Edit: 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.
"""

__revision__ = "$Id$"

import sys
import os

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

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.
    """
    if os.name == 'posix':
        _spawn_posix(cmd, search_path, dry_run=dry_run)
    elif os.name == 'nt':
        _spawn_nt(cmd, search_path, dry_run=dry_run)
    elif os.name == 'os2':
        _spawn_os2(cmd, search_path, dry_run=dry_run)
    else:
        raise DistutilsPlatformError, \
              "don't know how to spawn programs on platform '%s'" % os.name

def _nt_quote_args(args):
    """Quote command-line arguments for DOS/Windows conventions.

Just wraps every argument which contains blanks in double quotes, and
    returns a new argument list.
    """
    # XXX this doesn't seem very robust to me -- but if the Windows guys
    # say it'll work, I guess I'll have to accept it.  (What if an arg
    # contains quotes?  What other magic characters, other than spaces,
    # have to be escaped?  Is there an escaping mechanism other than
    # quoting?)
    for i, arg in enumerate(args):
        if ' ' in arg:
            args[i] = '"%s"' % arg
    return args

def _spawn_nt(cmd, search_path=1, verbose=0, dry_run=0):
    executable = cmd[0]
    cmd = _nt_quote_args(cmd)
    if search_path:
        # either we find one or it stays the same
        executable = find_executable(executable) or executable
    log.info(' '.join([executable] + cmd[1:]))
    if not dry_run:
        # spawn for NT requires a full path to the .exe
        try:
            rc = os.spawnv(os.P_WAIT, executable, cmd)
        except OSError, exc:
            # this seems to happen when the command isn't found
            raise DistutilsExecError, \
                  "command '%s' failed: %s" % (cmd[0], exc[-1])
        if rc != 0:
            # and this reflects the command running but failing
            raise DistutilsExecError, \
                  "command '%s' failed with exit status %d" % (cmd[0], rc)

def _spawn_os2(cmd, search_path=1, verbose=0, dry_run=0):
    executable = cmd[0]
    if search_path:
        # either we find one or it stays the same
        executable = find_executable(executable) or executable
    log.info(' '.join([executable] + cmd[1:]))
    if not dry_run:
        # spawnv for OS/2 EMX requires a full path to the .exe
        try:
            rc = os.spawnv(os.P_WAIT, executable, cmd)
        except OSError, exc:
            # this seems to happen when the command isn't found
            raise DistutilsExecError, \
                  "command '%s' failed: %s" % (cmd[0], exc[-1])
        if rc != 0:
            # and this reflects the command running but failing
            log.debug("command '%s' failed with exit status %d" % (cmd[0], rc))
            raise DistutilsExecError, \
                  "command '%s' failed with exit status %d" % (cmd[0], rc)

if sys.platform == 'darwin':
    from distutils import sysconfig
    _cfg_target = None
    _cfg_target_split = None

def _spawn_posix(cmd, search_path=1, verbose=0, dry_run=0):
    log.info(' '.join(cmd))
    if dry_run:
        return
    exec_fn = search_path and os.execvp or os.execv
    exec_args = [cmd[0], cmd]
    if sys.platform == 'darwin':
        global _cfg_target, _cfg_target_split
        if _cfg_target is None:
            _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 build process is not less
            # than that used when the interpreter was built. This ensures
            # extension modules are built with correct compatibility values
            cur_target = os.environ.get('MACOSX_DEPLOYMENT_TARGET', _cfg_target)
            if _cfg_target_split > [int(x) for x in cur_target.split('.')]:
                my_msg = ('$MACOSX_DEPLOYMENT_TARGET mismatch: '
                          'now "%s" but "%s" during configure'
                                % (cur_target, _cfg_target))
                raise DistutilsPlatformError(my_msg)
            env = dict(os.environ,
                       MACOSX_DEPLOYMENT_TARGET=cur_target)
            exec_fn = search_path and os.execvpe or os.execve
            exec_args.append(env)
    pid = os.fork()

if pid == 0:  # in the child
        try:
            exec_fn(*exec_args)
        except OSError, e:
            sys.stderr.write("unable to execute %s: %s\n" %
                             (cmd[0], e.strerror))
            os._exit(1)

sys.stderr.write("unable to execute %s for unknown reasons" % cmd[0])
        os._exit(1)
    else:   # in the parent
        # Loop until the child either exits or is terminated by a signal
        # (ie. keep waiting if it's merely stopped)
        while 1:
            try:
                pid, status = os.waitpid(pid, 0)
            except OSError, exc:
                import errno
                if exc.errno == errno.EINTR:
                    continue
                raise DistutilsExecError, \
                      "command '%s' failed: %s" % (cmd[0], exc[-1])
            if os.WIFSIGNALED(status):
                raise DistutilsExecError, \
                      "command '%s' terminated by signal %d" % \
                      (cmd[0], os.WTERMSIG(status))

elif os.WIFEXITED(status):
                exit_status = os.WEXITSTATUS(status)
                if exit_status == 0:
                    return   # hey, it succeeded!
                else:
                    raise DistutilsExecError, \
                          "command '%s' failed with exit status %d" % \
                          (cmd[0], exit_status)

elif os.WIFSTOPPED(status):
                continue

else:
                raise DistutilsExecError, \
                      "unknown error executing '%s': termination status %d" % \
                      (cmd[0], status)

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.
    """
    if path is None:
        path = os.environ['PATH']
    paths = path.split(os.pathsep)
    base, ext = os.path.splitext(executable)

if (sys.platform == 'win32' or os.name == 'os2') and (ext != '.exe'):
        executable = executable + '.exe'

if not os.path.isfile(executable):
        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
    else:
        return executable