From 3d422db734789f0841fb8f06db3a0fea36384399 Mon Sep 17 00:00:00 2001 From: Jonathan Zernik Date: Fri, 27 Aug 2021 21:41:23 -0700 Subject: [PATCH] Delete old new squeak listener (#1084) --- squeaknode/node/new_squeak_listener.py | 102 ------------------------- 1 file changed, 102 deletions(-) delete mode 100644 squeaknode/node/new_squeak_listener.py diff --git a/squeaknode/node/new_squeak_listener.py b/squeaknode/node/new_squeak_listener.py deleted file mode 100644 index 72e2a8c8..00000000 --- a/squeaknode/node/new_squeak_listener.py +++ /dev/null @@ -1,102 +0,0 @@ -# MIT License -# -# Copyright (c) 2020 Jonathan Zernik -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in all -# copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -# SOFTWARE. -import logging -import queue -import threading -import uuid -from contextlib import contextmanager - -logger = logging.getLogger(__name__) - -DEFAULT_MAX_QUEUE_SIZE = 1000 -DEFAULT_UPDATE_INTERVAL_S = 1 - - -class NewSqueakListener: - - def __init__(self): - self.callbacks = {} - - def handle_new_squeak(self, squeak): - for callback in self.callbacks.values(): - callback(squeak) - - def add_callback(self, name, callback): - self.callbacks[name] = callback - - def remove_callback(self, name): - del self.callbacks[name] - - -class NewSqueakSubscriptionClient: - - def __init__( - self, - new_squeak_listener: NewSqueakListener, - stopped: threading.Event, - max_queue_size=DEFAULT_MAX_QUEUE_SIZE, - ): - self.new_squeak_listener = new_squeak_listener - self.stopped = stopped - self.q: queue.Queue = queue.Queue(max_queue_size) - - @contextmanager - def open_subscription(self): - threading.Thread( - target=self.wait_for_stopped, - ).start() - # Register the callback to populate the queue - callback_name = "new_squeak_callback_{}".format(uuid.uuid1()), - try: - self.new_squeak_listener.add_callback( - name=callback_name, - callback=self.enqueue_squeak, - ) - logger.debug("Before yielding new squeaks client...") - yield self - logger.debug("After yielding new squeaks client...") - finally: - logger.debug("Stopping new squeaks client...") - self.new_squeak_listener.remove_callback( - name=callback_name, - ) - logger.debug("Stopped new squeaks client...") - - def enqueue_squeak(self, squeak): - self.q.put(squeak) - - def wait_for_stopped(self): - self.stopped.wait() - self.q.put(None) - - def get_squeak(self): - while True: - item = self.q.get() - if item is None: - logger.debug("Poison pill swallowed.") - return - yield item - self.q.task_done() - logger.debug( - "Removed item from queue. Size: {}".format( - self.q.qsize()) - )