Python asyncore.write方法代碼示例

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def capture_server(evt, buf, serv):
    try:
        serv.listen(5)
        conn, addr = serv.accept()
    except socket.timeout:
        pass
    else:
        n = 200
        while n > 0:
            r, w, e = select.select([conn], [], [])
            if r:
                data = conn.recv(10)
                # keep everything except for the newline terminator
                buf.write(data.replace('\n', ''))
                if '\n' in data:
                    break
            n -= 1
            time.sleep(0.01)

        conn.close()
    finally:
        serv.close()
        evt.set() 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def test_unhandled(self):
        d = asyncore.dispatcher()
        d.ignore_log_types = ()

        # capture output of dispatcher.log_info() (to stdout via print)
        fp = StringIO()
        stdout = sys.stdout
        try:
            sys.stdout = fp
            d.handle_expt()
            d.handle_read()
            d.handle_write()
            d.handle_connect()
            d.handle_accept()
        finally:
            sys.stdout = stdout

        lines = fp.getvalue().splitlines()
        expected = ['warning: unhandled incoming priority event',
                    'warning: unhandled read event',
                    'warning: unhandled write event',
                    'warning: unhandled connect event',
                    'warning: unhandled accept event']
        self.assertEqual(lines, expected) 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def _control(self, fd, events, flags):
            kevents = []
            if events & self.WRITE:
                kevents.append(select.kevent(
                    fd, filter=select.KQ_FILTER_WRITE, flags=flags))
            if events & self.READ or not kevents:
                # always read when there is not a write
                kevents.append(select.kevent(
                    fd, filter=select.KQ_FILTER_READ, flags=flags))
            # even though control() takes a list, it seems to return
            # EINVAL on Mac OS X (10.6) when there is more than one
            # event in the list
            for kevent in kevents:
                self._kqueue.control([kevent], 0)

        # localize variable access to minimize overhead 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def capture_server(evt, buf, serv):
    try:
        serv.listen()
        conn, addr = serv.accept()
    except socket.timeout:
        pass
    else:
        n = 200
        start = time.time()
        while n > 0 and time.time() - start < 3.0:
            r, w, e = select.select([conn], [], [], 0.1)
            if r:
                n -= 1
                data = conn.recv(10)
                # keep everything except for the newline terminator
                buf.write(data.replace(b'\n', b''))
                if b'\n' in data:
                    break
            time.sleep(0.01)

        conn.close()
    finally:
        serv.close()
        evt.set() 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def test_unhandled(self):
        d = asyncore.dispatcher()
        d.ignore_log_types = ()

        # capture output of dispatcher.log_info() (to stdout via print)
        with support.captured_stdout() as stdout:
            d.handle_expt()
            d.handle_read()
            d.handle_write()
            d.handle_connect()

        lines = stdout.getvalue().splitlines()
        expected = ['warning: unhandled incoming priority event',
                    'warning: unhandled read event',
                    'warning: unhandled write event',
                    'warning: unhandled connect event']
        self.assertEqual(lines, expected) 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def capture_server(evt, buf, serv):
    try:
        serv.listen(5)
        conn, addr = serv.accept()
    except socket.timeout:
        pass
    else:
        n = 200
        start = time.time()
        while n > 0 and time.time() - start < 3.0:
            r, w, e = select.select([conn], [], [], 0.1)
            if r:
                n -= 1
                data = conn.recv(10)
                # keep everything except for the newline terminator
                buf.write(data.replace(b'\n', b''))
                if b'\n' in data:
                    break
            time.sleep(0.01)

        conn.close()
    finally:
        serv.close()
        evt.set() 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def capture_server(evt, buf, serv):
    try:
        serv.listen(5)
        conn, addr = serv.accept()
    except socket.timeout:
        pass
    else:
        n = 200
        while n > 0:
            conn.setblocking(False)
            r, w, e = select.select([conn], [], [])
            if r:
                data = conn.recv(10)
                # keep everything except for the newline terminator
                buf.write(data.replace('\n', ''))
                if '\n' in data:
                    break
            n -= 1
            time.sleep(0.01)

        conn.close()
    finally:
        serv.close()
        evt.set() 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def test_readwriteexc(self):
        # Check exception handling behavior of read, write and _exception

        # check that ExitNow exceptions in the object handler method
        # bubbles all the way up through asyncore read/write/_exception calls
        tr1 = exitingdummy()
        self.assertRaises(asyncore.ExitNow, asyncore.read, tr1)
        self.assertRaises(asyncore.ExitNow, asyncore.write, tr1)
        self.assertRaises(asyncore.ExitNow, asyncore._exception, tr1)

        # check that an exception other than ExitNow in the object handler
        # method causes the handle_error method to get called
        tr2 = crashingdummy()
        asyncore.read(tr2)
        self.assertEqual(tr2.error_handled, True)

        tr2 = crashingdummy()
        asyncore.write(tr2)
        self.assertEqual(tr2.error_handled, True)

        tr2 = crashingdummy()
        asyncore._exception(tr2)
        self.assertEqual(tr2.error_handled, True)

    # asyncore.readwrite uses constants in the select module that
    # are not present in Windows systems (see this thread:
    # http://mail.python.org/pipermail/python-list/2001-October/109973.html)
    # These constants should be present as long as poll is available 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def setUp(self):
        self.d = "It's not dead, it's sleeping!"
        with file(TESTFN, 'w') as h:
            h.write(self.d) 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def poll(self,
                 timeout,
                 _len=len,
                 _READ=select.KQ_FILTER_READ,
                 _WRITE=select.KQ_FILTER_WRITE,
                 _EOF=select.KQ_EV_EOF,
                 _ERROR=select.KQ_EV_ERROR):
            try:
                kevents = self._kqueue.control(None, _len(self.socket_map),
                                               timeout)
            except OSError as err:
                if err.errno == errno.EINTR:
                    return
                raise
            for kevent in kevents:
                inst = self.socket_map.get(kevent.ident)
                if inst is None:
                    continue
                if kevent.filter == _READ:
                    if inst.readable():
                        _read(inst)
                if kevent.filter == _WRITE:
                    if kevent.flags & _EOF:
                        # If an asynchronous connection is refused,
                        # kqueue returns a write event with the EOF
                        # flag set.
                        # Note that for read events, EOF may be returned
                        # before all data has been consumed from the
                        # socket buffer, so we only check for EOF on
                        # write events.
                        inst.handle_close()
                    else:
                        if inst.writable():
                            _write(inst)
                if kevent.flags & _ERROR:
                    inst.handle_close()


# ===================================================================
# --- choose the better poller for this platform
# =================================================================== 

# 需要導入模塊: import asyncore [as 別名]
# 或者: from asyncore import write [as 別名]
def test_send(self):
        d1 = "Come again?"
        d2 = "I want to buy some cheese."
        fd = os.open(TESTFN, os.O_WRONLY | os.O_APPEND)
        w = asyncore.file_wrapper(fd)
        os.close(fd)

        w.write(d1)
        w.send(d2)
        w.close()
        self.assertEqual(file(TESTFN).read(), self.d + d1 + d2)