visualstudio_py_repl.py 文件源码

def execution_loop(self):
        """loop on the main thread which is responsible for executing code"""

        if sys.platform == 'cli' and sys.version_info[:3] < (2, 7, 1):
            # IronPython doesn't support thread.interrupt_main until 2.7.1
            import System
            self.main_thread = System.Threading.Thread.CurrentThread

        # save ourselves so global lookups continue to work (required pre-2.6)...
        cur_modules = set()
        try:
            cur_ps1 = sys.ps1
            cur_ps2 = sys.ps2
        except:
            # CPython/IronPython don't set sys.ps1 for non-interactive sessions, Jython and PyPy do
            sys.ps1 = cur_ps1 = '>>> '
            sys.ps2 = cur_ps2 = '... '

        self.send_prompt(cur_ps1, cur_ps2, allow_multiple_statements=False)

        while True:
            exit, cur_modules, cur_ps1, cur_ps2 = self.run_one_command(cur_modules, cur_ps1, cur_ps2)
            if exit:
                return