merged spawn into util

1 files changed, 0 insertions, 192 deletions

diff --git a/src/distutils2/spawn.py b/src/distutils2/spawn.py
deleted file mode 100644
index 08996fc..0000000
--- a/src/distutils2/spawn.py
+++ /dev/null
@@ -1,192 +0,0 @@
-"""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: spawn.py 73147 2009-06-02 15:58:43Z tarek.ziade $"
-
-import sys
-import os
-
-from distutils2.errors import DistutilsPlatformError, DistutilsExecError
-from distutils2 import log
-
-def spawn(cmd, search_path=1, verbose=0, dry_run=0, env=None):
-    """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.
-
-    If 'env' is given, it's a environment dictionary used for the execution
-    environment.
-
-    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, env=env)
-    elif os.name == 'nt':
-        _spawn_nt(cmd, search_path, dry_run=dry_run, env=env)
-    elif os.name == 'os2':
-        _spawn_os2(cmd, search_path, dry_run=dry_run, env=env)
-    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, env=None):
-    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:
-            if env is None:
-                rc = os.spawnv(os.P_WAIT, executable, cmd)
-            else:
-                rc = os.spawnve(os.P_WAIT, executable, cmd, env)
-
-        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, env=None):
-    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:
-            if env is None:
-                rc = os.spawnv(os.P_WAIT, executable, cmd)
-            else:
-                rc = os.spawnve(os.P_WAIT, executable, cmd, env)
-
-        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)
-
-
-def _spawn_posix(cmd, search_path=1, verbose=0, dry_run=0, env=None):
-    log.info(' '.join(cmd))
-    if dry_run:
-        return
-
-    if env is None:
-        exec_fn = search_path and os.execvp or os.execv
-    else:
-        exec_fn = search_path and os.execvpe or os.execve
-
-    pid = os.fork()
-
-    if pid == 0:  # in the child
-        try:
-            if env is None:
-                exec_fn(cmd[0], cmd)
-            else:
-                exec_fn(cmd[0], cmd, env)
-        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