Python tornado.ioloop.IOLoop.add_handler() Examples

The following are 17 code examples of tornado.ioloop.IOLoop.add_handler(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module tornado.ioloop.IOLoop , or try the search function .
Example #1
Source File: asyncio.py    From tornado-zh with MIT License 6 votes vote down vote up 
def add_handler(self, fd, handler, events):
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, stack_context.wrap(handler))
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(
                fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(
                fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)
Example #2
Source File: asyncio.py    From teleport with Apache License 2.0 6 votes vote down vote up 
def initialize(self, asyncio_loop, **kwargs):
        self.asyncio_loop = asyncio_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}
        # Set of fds listening for reads/writes
        self.readers = set()
        self.writers = set()
        self.closing = False
        # If an asyncio loop was closed through an asyncio interface
        # instead of IOLoop.close(), we'd never hear about it and may
        # have left a dangling reference in our map. In case an
        # application (or, more likely, a test suite) creates and
        # destroys a lot of event loops in this way, check here to
        # ensure that we don't have a lot of dead loops building up in
        # the map.
        #
        # TODO(bdarnell): consider making self.asyncio_loop a weakref
        # for AsyncIOMainLoop and make _ioloop_for_asyncio a
        # WeakKeyDictionary.
        for loop in list(IOLoop._ioloop_for_asyncio):
            if loop.is_closed():
                del IOLoop._ioloop_for_asyncio[loop]
        IOLoop._ioloop_for_asyncio[asyncio_loop] = self
        super(BaseAsyncIOLoop, self).initialize(**kwargs)
Example #3
Source File: asyncio.py    From pySINDy with MIT License 6 votes vote down vote up 
def initialize(self, asyncio_loop, **kwargs):
        self.asyncio_loop = asyncio_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}
        # Set of fds listening for reads/writes
        self.readers = set()
        self.writers = set()
        self.closing = False
        # If an asyncio loop was closed through an asyncio interface
        # instead of IOLoop.close(), we'd never hear about it and may
        # have left a dangling reference in our map. In case an
        # application (or, more likely, a test suite) creates and
        # destroys a lot of event loops in this way, check here to
        # ensure that we don't have a lot of dead loops building up in
        # the map.
        #
        # TODO(bdarnell): consider making self.asyncio_loop a weakref
        # for AsyncIOMainLoop and make _ioloop_for_asyncio a
        # WeakKeyDictionary.
        for loop in list(IOLoop._ioloop_for_asyncio):
            if loop.is_closed():
                del IOLoop._ioloop_for_asyncio[loop]
        IOLoop._ioloop_for_asyncio[asyncio_loop] = self
        super(BaseAsyncIOLoop, self).initialize(**kwargs)
Example #4
Source File: asyncio.py    From teleport with Apache License 2.0 5 votes vote down vote up 
def initialize(  # type: ignore
        self, asyncio_loop: asyncio.AbstractEventLoop, **kwargs: Any
    ) -> None:
        self.asyncio_loop = asyncio_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}  # type: Dict[int, Tuple[Union[int, _Selectable], Callable]]
        # Set of fds listening for reads/writes
        self.readers = set()  # type: Set[int]
        self.writers = set()  # type: Set[int]
        self.closing = False
        # If an asyncio loop was closed through an asyncio interface
        # instead of IOLoop.close(), we'd never hear about it and may
        # have left a dangling reference in our map. In case an
        # application (or, more likely, a test suite) creates and
        # destroys a lot of event loops in this way, check here to
        # ensure that we don't have a lot of dead loops building up in
        # the map.
        #
        # TODO(bdarnell): consider making self.asyncio_loop a weakref
        # for AsyncIOMainLoop and make _ioloop_for_asyncio a
        # WeakKeyDictionary.
        for loop in list(IOLoop._ioloop_for_asyncio):
            if loop.is_closed():
                del IOLoop._ioloop_for_asyncio[loop]
        IOLoop._ioloop_for_asyncio[asyncio_loop] = self

        self._thread_identity = 0

        super(BaseAsyncIOLoop, self).initialize(**kwargs)

        def assign_thread_identity() -> None:
            self._thread_identity = get_ident()

        self.add_callback(assign_thread_identity)
Example #5
Source File: asyncio.py    From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International 5 votes vote down vote up 
def add_handler(
        self, fd: Union[int, _Selectable], handler: Callable[..., None], events: int
    ) -> None:
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, handler)
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)
Example #6
Source File: asyncio.py    From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International 5 votes vote down vote up 
def initialize(  # type: ignore
        self, asyncio_loop: asyncio.AbstractEventLoop, **kwargs: Any
    ) -> None:
        self.asyncio_loop = asyncio_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}  # type: Dict[int, Tuple[Union[int, _Selectable], Callable]]
        # Set of fds listening for reads/writes
        self.readers = set()  # type: Set[int]
        self.writers = set()  # type: Set[int]
        self.closing = False
        # If an asyncio loop was closed through an asyncio interface
        # instead of IOLoop.close(), we'd never hear about it and may
        # have left a dangling reference in our map. In case an
        # application (or, more likely, a test suite) creates and
        # destroys a lot of event loops in this way, check here to
        # ensure that we don't have a lot of dead loops building up in
        # the map.
        #
        # TODO(bdarnell): consider making self.asyncio_loop a weakref
        # for AsyncIOMainLoop and make _ioloop_for_asyncio a
        # WeakKeyDictionary.
        for loop in list(IOLoop._ioloop_for_asyncio):
            if loop.is_closed():
                del IOLoop._ioloop_for_asyncio[loop]
        IOLoop._ioloop_for_asyncio[asyncio_loop] = self

        self._thread_identity = 0

        super(BaseAsyncIOLoop, self).initialize(**kwargs)

        def assign_thread_identity() -> None:
            self._thread_identity = get_ident()

        self.add_callback(assign_thread_identity)
Example #7
Source File: asyncio.py    From EventGhost with GNU General Public License v2.0 5 votes vote down vote up 
def add_handler(self, fd, handler, events):
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, stack_context.wrap(handler))
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(
                fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(
                fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)
Example #8
Source File: asyncio.py    From EventGhost with GNU General Public License v2.0 5 votes vote down vote up 
def initialize(self, asyncio_loop, close_loop=False, **kwargs):
        super(BaseAsyncIOLoop, self).initialize(**kwargs)
        self.asyncio_loop = asyncio_loop
        self.close_loop = close_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}
        # Set of fds listening for reads/writes
        self.readers = set()
        self.writers = set()
        self.closing = False
Example #9
Source File: asyncio.py    From pySINDy with MIT License 5 votes vote down vote up 
def add_handler(self, fd, handler, events):
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, stack_context.wrap(handler))
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(
                fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(
                fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)
Example #10
Source File: asyncio.py    From teleport with Apache License 2.0 5 votes vote down vote up 
def initialize(  # type: ignore
        self, asyncio_loop: asyncio.AbstractEventLoop, **kwargs: Any
    ) -> None:
        self.asyncio_loop = asyncio_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}  # type: Dict[int, Tuple[Union[int, _Selectable], Callable]]
        # Set of fds listening for reads/writes
        self.readers = set()  # type: Set[int]
        self.writers = set()  # type: Set[int]
        self.closing = False
        # If an asyncio loop was closed through an asyncio interface
        # instead of IOLoop.close(), we'd never hear about it and may
        # have left a dangling reference in our map. In case an
        # application (or, more likely, a test suite) creates and
        # destroys a lot of event loops in this way, check here to
        # ensure that we don't have a lot of dead loops building up in
        # the map.
        #
        # TODO(bdarnell): consider making self.asyncio_loop a weakref
        # for AsyncIOMainLoop and make _ioloop_for_asyncio a
        # WeakKeyDictionary.
        for loop in list(IOLoop._ioloop_for_asyncio):
            if loop.is_closed():
                del IOLoop._ioloop_for_asyncio[loop]
        IOLoop._ioloop_for_asyncio[asyncio_loop] = self

        self._thread_identity = 0

        super(BaseAsyncIOLoop, self).initialize(**kwargs)

        def assign_thread_identity() -> None:
            self._thread_identity = get_ident()

        self.add_callback(assign_thread_identity)
Example #11
Source File: asyncio.py    From teleport with Apache License 2.0 5 votes vote down vote up 
def add_handler(
        self, fd: Union[int, _Selectable], handler: Callable[..., None], events: int
    ) -> None:
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, handler)
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)
Example #12
Source File: asyncio.py    From tornado-zh with MIT License 5 votes vote down vote up 
def initialize(self, asyncio_loop, close_loop=False, **kwargs):
        super(BaseAsyncIOLoop, self).initialize(**kwargs)
        self.asyncio_loop = asyncio_loop
        self.close_loop = close_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}
        # Set of fds listening for reads/writes
        self.readers = set()
        self.writers = set()
        self.closing = False
Example #13
Source File: asyncio.py    From teleport with Apache License 2.0 5 votes vote down vote up 
def add_handler(self, fd, handler, events):
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, stack_context.wrap(handler))
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(
                fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(
                fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)
Example #14
Source File: asyncio.py    From opendevops with GNU General Public License v3.0 5 votes vote down vote up 
def add_handler(
        self, fd: Union[int, _Selectable], handler: Callable[..., None], events: int
    ) -> None:
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, handler)
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)
Example #15
Source File: asyncio.py    From opendevops with GNU General Public License v3.0 5 votes vote down vote up 
def initialize(  # type: ignore
        self, asyncio_loop: asyncio.AbstractEventLoop, **kwargs: Any
    ) -> None:
        self.asyncio_loop = asyncio_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}  # type: Dict[int, Tuple[Union[int, _Selectable], Callable]]
        # Set of fds listening for reads/writes
        self.readers = set()  # type: Set[int]
        self.writers = set()  # type: Set[int]
        self.closing = False
        # If an asyncio loop was closed through an asyncio interface
        # instead of IOLoop.close(), we'd never hear about it and may
        # have left a dangling reference in our map. In case an
        # application (or, more likely, a test suite) creates and
        # destroys a lot of event loops in this way, check here to
        # ensure that we don't have a lot of dead loops building up in
        # the map.
        #
        # TODO(bdarnell): consider making self.asyncio_loop a weakref
        # for AsyncIOMainLoop and make _ioloop_for_asyncio a
        # WeakKeyDictionary.
        for loop in list(IOLoop._ioloop_for_asyncio):
            if loop.is_closed():
                del IOLoop._ioloop_for_asyncio[loop]
        IOLoop._ioloop_for_asyncio[asyncio_loop] = self

        self._thread_identity = 0

        super(BaseAsyncIOLoop, self).initialize(**kwargs)

        def assign_thread_identity() -> None:
            self._thread_identity = get_ident()

        self.add_callback(assign_thread_identity)
Example #16
Source File: asyncio.py    From tornado-zh with MIT License 5 votes vote down vote up 
def initialize(self, asyncio_loop, close_loop=False, **kwargs):
        super(BaseAsyncIOLoop, self).initialize(**kwargs)
        self.asyncio_loop = asyncio_loop
        self.close_loop = close_loop
        # Maps fd to (fileobj, handler function) pair (as in IOLoop.add_handler)
        self.handlers = {}
        # Set of fds listening for reads/writes
        self.readers = set()
        self.writers = set()
        self.closing = False
Example #17
Source File: asyncio.py    From tornado-zh with MIT License 5 votes vote down vote up 
def add_handler(self, fd, handler, events):
        fd, fileobj = self.split_fd(fd)
        if fd in self.handlers:
            raise ValueError("fd %s added twice" % fd)
        self.handlers[fd] = (fileobj, stack_context.wrap(handler))
        if events & IOLoop.READ:
            self.asyncio_loop.add_reader(
                fd, self._handle_events, fd, IOLoop.READ)
            self.readers.add(fd)
        if events & IOLoop.WRITE:
            self.asyncio_loop.add_writer(
                fd, self._handle_events, fd, IOLoop.WRITE)
            self.writers.add(fd)