def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
python类start()的实例源码
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor
installReactor(reactor)
return reactor
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor # type: ignore
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor # type: ignore
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor # type: ignore
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor # type: ignore
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor
installReactor(reactor)
return reactor
def __init__(self, io_loop=None):
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
self._io_loop = io_loop
self._readers = {} # map of reader objects to fd
self._writers = {} # map of writer objects to fd
self._fds = {} # a map of fd to a (reader, writer) tuple
self._delayedCalls = {}
PosixReactorBase.__init__(self)
self.addSystemEventTrigger('during', 'shutdown', self.crash)
# IOLoop.start() bypasses some of the reactor initialization.
# Fire off the necessary events if they weren't already triggered
# by reactor.run().
def start_if_necessary():
if not self._started:
self.fireSystemEvent('startup')
self._io_loop.add_callback(start_if_necessary)
# IReactorTime
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor # type: ignore
installReactor(reactor)
return reactor
def install(io_loop=None):
"""Install this package as the default Twisted reactor.
``install()`` must be called very early in the startup process,
before most other twisted-related imports. Conversely, because it
initializes the `.IOLoop`, it cannot be called before
`.fork_processes` or multi-process `~.TCPServer.start`. These
conflicting requirements make it difficult to use `.TornadoReactor`
in multi-process mode, and an external process manager such as
``supervisord`` is recommended instead.
.. versionchanged:: 4.1
The ``io_loop`` argument is deprecated.
"""
if not io_loop:
io_loop = tornado.ioloop.IOLoop.current()
reactor = TornadoReactor(io_loop)
from twisted.internet.main import installReactor # type: ignore
installReactor(reactor)
return reactor
def getWriters(self):
return self._writers.keys()
# The following functions are mainly used in twisted-style test cases;
# it is expected that most users of the TornadoReactor will call
# IOLoop.start() instead of Reactor.run().
def mainLoop(self):
# Since this class is intended to be used in applications
# where the top-level event loop is ``io_loop.start()`` rather
# than ``reactor.run()``, it is implemented a little
# differently than other Twisted reactors. We override
# ``mainLoop`` instead of ``doIteration`` and must implement
# timed call functionality on top of `.IOLoop.add_timeout`
# rather than using the implementation in
# ``PosixReactorBase``.
self._io_loop.start()
