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Direktori : /proc/self/root/proc/self/root/proc/self/root/opt/alt/python38/lib64/python3.8/asyncio/ |
Current File : //proc/self/root/proc/self/root/proc/self/root/opt/alt/python38/lib64/python3.8/asyncio/__main__.py |
import ast import asyncio import code import concurrent.futures import inspect import sys import threading import types import warnings from . import futures class AsyncIOInteractiveConsole(code.InteractiveConsole): def __init__(self, locals, loop): super().__init__(locals) self.compile.compiler.flags |= ast.PyCF_ALLOW_TOP_LEVEL_AWAIT self.loop = loop def runcode(self, code): future = concurrent.futures.Future() def callback(): global repl_future global repl_future_interrupted repl_future = None repl_future_interrupted = False func = types.FunctionType(code, self.locals) try: coro = func() except SystemExit: raise except KeyboardInterrupt as ex: repl_future_interrupted = True future.set_exception(ex) return except BaseException as ex: future.set_exception(ex) return if not inspect.iscoroutine(coro): future.set_result(coro) return try: repl_future = self.loop.create_task(coro) futures._chain_future(repl_future, future) except BaseException as exc: future.set_exception(exc) loop.call_soon_threadsafe(callback) try: return future.result() except SystemExit: raise except BaseException: if repl_future_interrupted: self.write("\nKeyboardInterrupt\n") else: self.showtraceback() class REPLThread(threading.Thread): def run(self): try: banner = ( f'asyncio REPL {sys.version} on {sys.platform}\n' f'Use "await" directly instead of "asyncio.run()".\n' f'Type "help", "copyright", "credits" or "license" ' f'for more information.\n' f'{getattr(sys, "ps1", ">>> ")}import asyncio' ) console.interact( banner=banner, exitmsg='exiting asyncio REPL...') finally: warnings.filterwarnings( 'ignore', message=r'^coroutine .* was never awaited$', category=RuntimeWarning) loop.call_soon_threadsafe(loop.stop) if __name__ == '__main__': sys.audit("cpython.run_stdin") loop = asyncio.new_event_loop() asyncio.set_event_loop(loop) repl_locals = {'asyncio': asyncio} for key in {'__name__', '__package__', '__loader__', '__spec__', '__builtins__', '__file__'}: repl_locals[key] = locals()[key] console = AsyncIOInteractiveConsole(repl_locals, loop) repl_future = None repl_future_interrupted = False try: import readline # NoQA except ImportError: pass repl_thread = REPLThread() repl_thread.daemon = True repl_thread.start() while True: try: loop.run_forever() except KeyboardInterrupt: if repl_future and not repl_future.done(): repl_future.cancel() repl_future_interrupted = True continue else: break