mirror of
https://github.com/morpheus65535/bazarr.git
synced 2024-09-20 15:35:58 +08:00
147 lines
4.8 KiB
Python
147 lines
4.8 KiB
Python
import logging
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import signal
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import threading
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import time
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import urllib
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from . import packet
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default_logger = logging.getLogger('engineio.client')
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connected_clients = []
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def signal_handler(sig, frame):
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"""SIGINT handler.
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Disconnect all active clients and then invoke the original signal handler.
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"""
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for client in connected_clients[:]:
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if not client.is_asyncio_based():
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client.disconnect()
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if callable(original_signal_handler):
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return original_signal_handler(sig, frame)
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else: # pragma: no cover
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# Handle case where no original SIGINT handler was present.
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return signal.default_int_handler(sig, frame)
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original_signal_handler = None
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class BaseClient:
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event_names = ['connect', 'disconnect', 'message']
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def __init__(self, logger=False, json=None, request_timeout=5,
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http_session=None, ssl_verify=True, handle_sigint=True,
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websocket_extra_options=None):
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global original_signal_handler
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if handle_sigint and original_signal_handler is None and \
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threading.current_thread() == threading.main_thread():
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original_signal_handler = signal.signal(signal.SIGINT,
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signal_handler)
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self.handlers = {}
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self.base_url = None
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self.transports = None
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self.current_transport = None
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self.sid = None
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self.upgrades = None
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self.ping_interval = None
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self.ping_timeout = None
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self.http = http_session
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self.external_http = http_session is not None
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self.handle_sigint = handle_sigint
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self.ws = None
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self.read_loop_task = None
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self.write_loop_task = None
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self.queue = None
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self.state = 'disconnected'
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self.ssl_verify = ssl_verify
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self.websocket_extra_options = websocket_extra_options or {}
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if json is not None:
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packet.Packet.json = json
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if not isinstance(logger, bool):
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self.logger = logger
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else:
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self.logger = default_logger
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if self.logger.level == logging.NOTSET:
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if logger:
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self.logger.setLevel(logging.INFO)
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else:
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self.logger.setLevel(logging.ERROR)
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self.logger.addHandler(logging.StreamHandler())
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self.request_timeout = request_timeout
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def is_asyncio_based(self):
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return False
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def on(self, event, handler=None):
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"""Register an event handler.
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:param event: The event name. Can be ``'connect'``, ``'message'`` or
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``'disconnect'``.
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:param handler: The function that should be invoked to handle the
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event. When this parameter is not given, the method
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acts as a decorator for the handler function.
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Example usage::
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# as a decorator:
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@eio.on('connect')
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def connect_handler():
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print('Connection request')
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# as a method:
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def message_handler(msg):
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print('Received message: ', msg)
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eio.send('response')
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eio.on('message', message_handler)
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"""
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if event not in self.event_names:
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raise ValueError('Invalid event')
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def set_handler(handler):
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self.handlers[event] = handler
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return handler
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if handler is None:
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return set_handler
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set_handler(handler)
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def transport(self):
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"""Return the name of the transport currently in use.
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The possible values returned by this function are ``'polling'`` and
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``'websocket'``.
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"""
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return self.current_transport
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def _reset(self):
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self.state = 'disconnected'
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self.sid = None
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def _get_engineio_url(self, url, engineio_path, transport):
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"""Generate the Engine.IO connection URL."""
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engineio_path = engineio_path.strip('/')
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parsed_url = urllib.parse.urlparse(url)
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if transport == 'polling':
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scheme = 'http'
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elif transport == 'websocket':
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scheme = 'ws'
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else: # pragma: no cover
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raise ValueError('invalid transport')
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if parsed_url.scheme in ['https', 'wss']:
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scheme += 's'
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return ('{scheme}://{netloc}/{path}/?{query}'
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'{sep}transport={transport}&EIO=4').format(
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scheme=scheme, netloc=parsed_url.netloc,
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path=engineio_path, query=parsed_url.query,
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sep='&' if parsed_url.query else '',
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transport=transport)
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def _get_url_timestamp(self):
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"""Generate the Engine.IO query string timestamp."""
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return '&t=' + str(time.time())
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