Python tornado.ioloop.start() Examples

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def stop(self):
        """Stop the I/O loop.

        If the event loop is not currently running, the next call to `start()`
        will return immediately.

        To use asynchronous methods from otherwise-synchronous code (such as
        unit tests), you can start and stop the event loop like this::

          ioloop = IOLoop()
          async_method(ioloop=ioloop, callback=ioloop.stop)
          ioloop.start()

        ``ioloop.start()`` will return after ``async_method`` has run
        its callback, whether that callback was invoked before or
        after ``ioloop.start``.

        Note that even after `stop` has been called, the `IOLoop` is not
        completely stopped until `IOLoop.start` has also returned.
        Some work that was scheduled before the call to `stop` may still
        be run before the `IOLoop` shuts down.
        """
        raise NotImplementedError() 

def initialize_websocket_server(self, port):
        app = tornado.web.Application([
            (r'/', WebSocketIPCClient, {'router': self.router}),
        ])

        def run_loop():
            logger.debug("Starting IPC websocket server on port {}".format(port))
            ioloop = tornado.ioloop.IOLoop()
            ioloop.make_current()
            app.listen(port)
            ioloop.start()

        t = Thread(target=run_loop)
        t.daemon = True
        t.start()

        return app 

def _setup_logging(self):
        """The IOLoop catches and logs exceptions, so it's
        important that log output be visible.  However, python's
        default behavior for non-root loggers (prior to python
        3.2) is to print an unhelpful "no handlers could be
        found" message rather than the actual log entry, so we
        must explicitly configure logging if we've made it this
        far without anything.

        This method should be called from start() in subclasses.
        """
        pass
        # if not any([logging.getLogger().handlers,
        #             logging.getLogger('tornado').handlers,
        #             logging.getLogger('tornado.application').handlers]):
        #     logging.basicConfig() 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def _request_async(self, request, callback=None, error=None, single=False, timeout=5):
        global _urllib_request
        ## Build URL
        url = self.getUrl(request)
        if single is True:
            id = time.time()
            client = HTTPClient(self, url=url, urllib_func=_urllib_request,
                                callback=None, error=None, id=id, timeout=timeout)
            with self.latest_sub_callback_lock:
                self.latest_sub_callback['id'] = id
                self.latest_sub_callback['callback'] = callback
                self.latest_sub_callback['error'] = error
        else:
            client = HTTPClient(self, url=url, urllib_func=_urllib_request,
                                callback=callback, error=error, timeout=timeout)

        thread = threading.Thread(target=client.run)
        thread.daemon = self.daemon
        thread.start()

        def abort():
            client.cancel()
        return abort 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def stop(self):
        """Stop the I/O loop.

        If the event loop is not currently running, the next call to `start()`
        will return immediately.

        To use asynchronous methods from otherwise-synchronous code (such as
        unit tests), you can start and stop the event loop like this::

          ioloop = IOLoop()
          async_method(ioloop=ioloop, callback=ioloop.stop)
          ioloop.start()

        ``ioloop.start()`` will return after ``async_method`` has run
        its callback, whether that callback was invoked before or
        after ``ioloop.start``.

        Note that even after `stop` has been called, the `IOLoop` is not
        completely stopped until `IOLoop.start` has also returned.
        Some work that was scheduled before the call to `stop` may still
        be run before the `IOLoop` shuts down.
        """
        raise NotImplementedError() 

def _request_async(self, request, callback=None, error=None, single=False, timeout=5):
        global _urllib_request
        ## Build URL
        url = self.getUrl(request)
        if single is True:
            id = time.time()
            client = HTTPClient(self, url=url, urllib_func=_urllib_request,
                                callback=None, error=None, id=id, timeout=timeout)
            with self.latest_sub_callback_lock:
                self.latest_sub_callback['id'] = id
                self.latest_sub_callback['callback'] = callback
                self.latest_sub_callback['error'] = error
        else:
            client = HTTPClient(self, url=url, urllib_func=_urllib_request,
                                callback=callback, error=error, timeout=timeout)

        thread = threading.Thread(target=client.run)
        thread.daemon = self.daemon
        thread.start()

        def abort():
            client.cancel()
        return abort 

def stop(self):
        """Stop the I/O loop.

        If the event loop is not currently running, the next call to `start()`
        will return immediately.

        To use asynchronous methods from otherwise-synchronous code (such as
        unit tests), you can start and stop the event loop like this::

          ioloop = IOLoop()
          async_method(ioloop=ioloop, callback=ioloop.stop)
          ioloop.start()

        ``ioloop.start()`` will return after ``async_method`` has run
        its callback, whether that callback was invoked before or
        after ``ioloop.start``.

        Note that even after `stop` has been called, the `IOLoop` is not
        completely stopped until `IOLoop.start` has also returned.
        Some work that was scheduled before the call to `stop` may still
        be run before the `IOLoop` shuts down.
        """
        raise NotImplementedError() 

def main(argv, **kwargs):
    args = parse_arguments(argv, **kwargs)
    logging_args = dict(level=args.loglevel)
    if args.log_output is not None:
        logging_args['filename'] = args.log_output
    logging.basicConfig(**logging_args)
    
    init_tornado_asyncio()

    ioloop = tornado.ioloop.IOLoop.instance()
    app = Application(args=args, ioloop=ioloop, debug=(args.loglevel == logging.DEBUG))

    http_server = tornado.httpserver.HTTPServer(app)
    sockets = tornado.netutil.bind_sockets(
        port=args.port or None, address=args.address)
    http_server.add_sockets(sockets)
    server_url = 'http://%s:%s' % sockets[0].getsockname()[0:2]
    print('Listening at %s' % server_url)
    if args.browser:
        webbrowser.open(server_url, new=1)
    ioloop.start() 

def stop(self):
        """Stop the I/O loop.

        If the event loop is not currently running, the next call to `start()`
        will return immediately.

        To use asynchronous methods from otherwise-synchronous code (such as
        unit tests), you can start and stop the event loop like this::

          ioloop = IOLoop()
          async_method(ioloop=ioloop, callback=ioloop.stop)
          ioloop.start()

        ``ioloop.start()`` will return after ``async_method`` has run
        its callback, whether that callback was invoked before or
        after ``ioloop.start``.

        Note that even after `stop` has been called, the `IOLoop` is not
        completely stopped until `IOLoop.start` has also returned.
        Some work that was scheduled before the call to `stop` may still
        be run before the `IOLoop` shuts down.
        """
        raise NotImplementedError() 

def main():
    ''' main 函数
    '''
    # 开启 search_engin_server
    ioloop = tornado.ioloop.IOLoop.instance()
    server = tornado.httpserver.HTTPServer(Application(), xheaders=True)
    server.listen(options.port)

    def sig_handler(sig, _):
        ''' 信号接收函数
        '''
        logging.warn("Caught signal: %s", sig)
        shutdown(ioloop, server)

    signal.signal(signal.SIGTERM, sig_handler)
    signal.signal(signal.SIGINT, sig_handler)
    ioloop.start() 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def stop(self):
        """Stop the I/O loop.

        If the event loop is not currently running, the next call to `start()`
        will return immediately.

        To use asynchronous methods from otherwise-synchronous code (such as
        unit tests), you can start and stop the event loop like this::

          ioloop = IOLoop()
          async_method(ioloop=ioloop, callback=ioloop.stop)
          ioloop.start()

        ``ioloop.start()`` will return after ``async_method`` has run
        its callback, whether that callback was invoked before or
        after ``ioloop.start``.

        Note that even after `stop` has been called, the `IOLoop` is not
        completely stopped until `IOLoop.start` has also returned.
        Some work that was scheduled before the call to `stop` may still
        be run before the `IOLoop` shuts down.
        """
        raise NotImplementedError() 

def stop(self):
        """Stop the I/O loop.

        If the event loop is not currently running, the next call to `start()`
        will return immediately.

        To use asynchronous methods from otherwise-synchronous code (such as
        unit tests), you can start and stop the event loop like this::

          ioloop = IOLoop()
          async_method(ioloop=ioloop, callback=ioloop.stop)
          ioloop.start()

        ``ioloop.start()`` will return after ``async_method`` has run
        its callback, whether that callback was invoked before or
        after ``ioloop.start``.

        Note that even after `stop` has been called, the `IOLoop` is not
        completely stopped until `IOLoop.start` has also returned.
        Some work that was scheduled before the call to `stop` may still
        be run before the `IOLoop` shuts down.
        """
        raise NotImplementedError() 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def start(self):
        """Starts the I/O loop.

        The loop will run until one of the callbacks calls `stop()`, which
        will make the loop stop after the current event iteration completes.
        """
        raise NotImplementedError() 

def __init__(self, app):
    """Initialize (but do not start) background server.

    Args:
      app: server application to run.
    """
    self._app = app

    # These will be initialized when starting the server.
    self._port = None
    self._server_thread = None
    self._ioloop = None
    self._server = None 

def main():
  ioloop = tornado.ioloop.IOLoop.instance()
  dl = HttpDownload(ioloop)
  url = len(sys.argv) > 1 and sys.argv[1] or 'http://www.google.com/'
  username = len(sys.argv) > 2 and sys.argv[2]
  password = len(sys.argv) > 3 and sys.argv[3]
  #print 'using URL: %s' % url
  ht.logger.info('using URL: %s' % url)
  dl.download(url=url, username=username, password=password, delay_seconds=0)
  ioloop.start() 

def show():
        WebAggApplication.initialize()

        url = "http://{address}:{port}{prefix}".format(
            address=WebAggApplication.address,
            port=WebAggApplication.port,
            prefix=WebAggApplication.url_prefix)

        if rcParams['webagg.open_in_browser']:
            import webbrowser
            webbrowser.open(url)
        else:
            print("To view figure, visit {0}".format(url))

        WebAggApplication.start() 

def close(self, all_fds=False):
        """Closes the `IOLoop`, freeing any resources used.

        If ``all_fds`` is true, all file descriptors registered on the
        IOLoop will be closed (not just the ones created by the
        `IOLoop` itself).

        Many applications will only use a single `IOLoop` that runs for the
        entire lifetime of the process.  In that case closing the `IOLoop`
        is not necessary since everything will be cleaned up when the
        process exits.  `IOLoop.close` is provided mainly for scenarios
        such as unit tests, which create and destroy a large number of
        ``IOLoops``.

        An `IOLoop` must be completely stopped before it can be closed.  This
        means that `IOLoop.stop()` must be called *and* `IOLoop.start()` must
        be allowed to return before attempting to call `IOLoop.close()`.
        Therefore the call to `close` will usually appear just after
        the call to `start` rather than near the call to `stop`.

        .. versionchanged:: 3.1
           If the `IOLoop` implementation supports non-integer objects
           for "file descriptors", those objects will have their
           ``close`` method when ``all_fds`` is true.
        """
        raise NotImplementedError() 

def run(self):
        tornado.ioloop.IOLoop.instance().start() 

def start(self):
        """Starts the timer."""
        self._running = True
        self._next_timeout = self.io_loop.time()
        self._schedule_next() 

def _setup_logging(self):
        """The IOLoop catches and logs exceptions, so it's
        important that log output be visible.  However, python's
        default behavior for non-root loggers (prior to python
        3.2) is to print an unhelpful "no handlers could be
        found" message rather than the actual log entry, so we
        must explicitly configure logging if we've made it this
        far without anything.

        This method should be called from start() in subclasses.
        """
        if not any([logging.getLogger().handlers,
                    logging.getLogger('tornado').handlers,
                    logging.getLogger('tornado.application').handlers]):
            logging.basicConfig() 

def start(self):
        """Starts the I/O loop.

        The loop will run until one of the callbacks calls `stop()`, which
        will make the loop stop after the current event iteration completes.
        """
        raise NotImplementedError() 

def close(self, all_fds=False):
        """Closes the `IOLoop`, freeing any resources used.

        If ``all_fds`` is true, all file descriptors registered on the
        IOLoop will be closed (not just the ones created by the
        `IOLoop` itself).

        Many applications will only use a single `IOLoop` that runs for the
        entire lifetime of the process.  In that case closing the `IOLoop`
        is not necessary since everything will be cleaned up when the
        process exits.  `IOLoop.close` is provided mainly for scenarios
        such as unit tests, which create and destroy a large number of
        ``IOLoops``.

        An `IOLoop` must be completely stopped before it can be closed.  This
        means that `IOLoop.stop()` must be called *and* `IOLoop.start()` must
        be allowed to return before attempting to call `IOLoop.close()`.
        Therefore the call to `close` will usually appear just after
        the call to `start` rather than near the call to `stop`.

        .. versionchanged:: 3.1
           If the `IOLoop` implementation supports non-integer objects
           for "file descriptors", those objects will have their
           ``close`` method when ``all_fds`` is true.
        """
        raise NotImplementedError() 

def start_check_modification_observer(self, loaded_reconciler):
        if self.check_modification_observer is not None:
            self.check_modification_observer.unschedule_all()

        self.check_modification_observer = watchdog.observers.Observer()
        handler = JournalModificationHandler(self)
        journal_paths = set(
            os.path.dirname(filename) for filename in loaded_reconciler.editor.journal_filenames)

        for path in journal_paths:
            self.check_modification_observer.schedule(handler, path)

        self.check_modification_observer.start() 

def main(port, shell):
    """Create and setup a new tornado server."""
    LOGGER.info("Server is now at: 127.0.0.1:{}".format(port))
    LOGGER.info('Shell: {0}'.format(shell))
    application = create_app(shell)
    ioloop = tornado.ioloop.IOLoop.instance()
    application.listen(port, address='127.0.0.1')
    try:
        ioloop.start()
    except KeyboardInterrupt:
        pass
    finally:
        LOGGER.info("Closing server...\n")
        application.term_manager.shutdown()
        tornado.ioloop.IOLoop.instance().stop() 

def show():
        WebAggApplication.initialize()

        url = "http://127.0.0.1:{port}{prefix}".format(
            port=WebAggApplication.port,
            prefix=WebAggApplication.url_prefix)

        if rcParams['webagg.open_in_browser']:
            import webbrowser
            webbrowser.open(url)
        else:
            print("To view figure, visit {0}".format(url))

        WebAggApplication.start()