Function spawn_python

Lib/test/support/script_helper.py:197–217

Run a Python subprocess with the given arguments. kw is extra keyword args to pass to subprocess.Popen. Returns a Popen object.

(*args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kw)

@support.requires_subprocess()
def spawn_python(*args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kw):
    """Run a Python subprocess with the given arguments.

    kw is extra keyword args to pass to subprocess.Popen. Returns a Popen
    object.
    """
    cmd_line = [sys.executable]
    if not interpreter_requires_environment():
        cmd_line.append('-E')
    cmd_line.extend(args)
    # Under Fedora (?), GNU readline can output junk on stderr when initialized,
    # depending on the TERM setting.  Setting TERM=vt100 is supposed to disable
    # that.  References:
    # - http://reinout.vanrees.org/weblog/2009/08/14/readline-invisible-character-hack.html
    # - http://stackoverflow.com/questions/15760712/python-readline-module-prints-escape-character-during-import
    # - http://lists.gnu.org/archive/html/bug-readline/2007-08/msg00004.html
    env = kw.setdefault('env', dict(os.environ))
    env['TERM'] = 'vt100'
    return subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                            stdout=stdout, stderr=stderr,
                            **kw)


def kill_python(p):