Python errno.EBADF属性代码示例

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def run(self):
        #print(self.run, 'enter')
        while True:
            #print(self.run, 'cycle')
            pollret = dict(self.pollobj.poll()).get(self.fileno, 0)
            if pollret & POLLNVAL != 0:
                break
            if pollret & POLLIN == 0:
                continue
            try:
                clientsock, addr = self.clicm.serversock.accept()
            except Exception as why:
                if isinstance(why, socket.error):
                    if why.errno == ECONNABORTED:
                        continue
                    elif why.errno == EBADF:
                        break
                    else:
                        raise
                dump_exception('CLIConnectionManager: unhandled exception when accepting incoming connection')
                break
            #print(self.run, 'handle_accept')
            ED2.callFromThread(self.clicm.handle_accept, clientsock, addr)
        self.clicm = None
        #print(self.run, 'exit') 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def read_from_fd(self):
        try:
            chunk = os.read(self.fd, self.read_chunk_size)
        except (IOError, OSError) as e:
            if errno_from_exception(e) in _ERRNO_WOULDBLOCK:
                return None
            elif errno_from_exception(e) == errno.EBADF:
                # If the writing half of a pipe is closed, select will
                # report it as readable but reads will fail with EBADF.
                self.close(exc_info=True)
                return None
            else:
                raise
        if not chunk:
            self.close()
            return None
        return chunk 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def unregister(self, fileobj):
        """Unregisters a file object from being monitored."""
        try:
            key = self._fd_to_key.pop(self._fileobj_lookup(fileobj))
        except KeyError:
            raise KeyError("{!r} is not registered".format(fileobj))

        # Getting the fileno of a closed socket on Windows errors with EBADF.
        except socket.error as e:  # Platform-specific: Windows.
            if e.errno != errno.EBADF:
                raise
            else:
                for key in self._fd_to_key.values():
                    if key.fileobj is fileobj:
                        self._fd_to_key.pop(key.fd)
                        break
                else:
                    raise KeyError("{!r} is not registered".format(fileobj))
        return key 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def unregister(self, fileobj):
        """ Unregister a file object from being monitored. """
        try:
            key = self._fd_to_key.pop(self._fileobj_lookup(fileobj))
        except KeyError:
            raise KeyError("{0!r} is not registered".format(fileobj))

        # Getting the fileno of a closed socket on Windows errors with EBADF.
        except socket.error as e:  # Platform-specific: Windows.
            if e.errno != errno.EBADF:
                raise
            else:
                for key in self._fd_to_key.values():
                    if key.fileobj is fileobj:
                        self._fd_to_key.pop(key.fd)
                        break
                else:
                    raise KeyError("{0!r} is not registered".format(fileobj))
        return key 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def wait(self, timeout):
        try:
            self.notify()
            ret = select.select(self.wait_fds, [], [], timeout)
            if ret[0]:
                if self.PIPE[0] in ret[0]:
                    os.read(self.PIPE[0], 1)
                return ret[0]

        except select.error as e:
            if e.args[0] == errno.EINTR:
                return self.sockets
            if e.args[0] == errno.EBADF:
                if self.nr < 0:
                    return self.sockets
                else:
                    raise StopWaiting
            raise 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def write(self,data):
        self._check_closed()
        if self.mode != WRITE:
            import errno
            raise IOError(errno.EBADF, "write() on read-only GzipFile object")

        if self.fileobj is None:
            raise ValueError, "write() on closed GzipFile object"

        # Convert data type if called by io.BufferedWriter.
        if isinstance(data, memoryview):
            data = data.tobytes()

        if len(data) > 0:
            self.size = self.size + len(data)
            self.crc = zlib.crc32(data, self.crc) & 0xffffffffL
            self.fileobj.write( self.compress.compress(data) )
            self.offset += len(data)

        return len(data) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def write(self,data):
        self._check_closed()
        if self.mode != WRITE:
            import errno
            raise IOError(errno.EBADF, "write() on read-only GzipFile object")

        if self.fileobj is None:
            raise ValueError, "write() on closed GzipFile object"

        # Convert data type if called by io.BufferedWriter.
        if isinstance(data, memoryview):
            data = data.tobytes()

        if len(data) > 0:
            self.fileobj.write(self.compress.compress(data))
            self.size += len(data)
            self.crc = zlib.crc32(data, self.crc) & 0xffffffffL
            self.offset += len(data)

        return len(data) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def ClosedFDRaises(func):
        @wraps(func)
        def wrapper(self):
            #forcibly close the fd before invoking the problem function
            f = self.f
            os.close(f.fileno())
            try:
                func(self, f)
            except IOError as e:
                self.assertEqual(e.errno, errno.EBADF)
            else:
                self.fail("Should have raised IOError")
            finally:
                try:
                    self.f.close()
                except IOError:
                    pass
        return wrapper 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def readBytes(self, address, nbytes):
        """
        Read bytes from the stream at specified address (in bits).
        Address have to be a multiple of 8.
        nbytes have to in 1..MAX_READ_NBYTES (64 KB).

        This method is only supported for StringOuputStream (not on
        FileOutputStream).

        Return read bytes as byte string.
        """
        assert (address % 8) == 0
        assert (1 <= nbytes <= MAX_READ_NBYTES)
        self._output.flush()
        oldpos = self._output.tell()
        try:
            self._output.seek(0)
            try:
                return self._output.read(nbytes)
            except IOError, err:
                if err[0] == EBADF:
                    raise OutputStreamError("Stream doesn't support read() operation")
        finally:
            self._output.seek(oldpos) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def test_makefile_close(self):
        # Issue #5238: creating a file-like object with makefile() shouldn't
        # delay closing the underlying "real socket" (here tested with its
        # file descriptor, hence skipping the test under Windows).
        with test_support.transient_internet("svn.python.org"):
            ss = ssl.wrap_socket(socket.socket(socket.AF_INET))
            ss.connect(("svn.python.org", 443))
            fd = ss.fileno()
            f = ss.makefile()
            f.close()
            # The fd is still open
            os.read(fd, 0)
            # Closing the SSL socket should close the fd too
            ss.close()
            gc.collect()
            with self.assertRaises(OSError) as e:
                os.read(fd, 0)
            self.assertEqual(e.exception.errno, errno.EBADF) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def test_fromfd(self):
        server, client = self._connected_pair()

        ep = select.epoll(2)
        ep2 = select.epoll.fromfd(ep.fileno())

        ep2.register(server.fileno(), select.EPOLLIN | select.EPOLLOUT)
        ep2.register(client.fileno(), select.EPOLLIN | select.EPOLLOUT)

        events = ep.poll(1, 4)
        events2 = ep2.poll(0.9, 4)
        self.assertEqual(len(events), 2)
        self.assertEqual(len(events2), 2)

        ep.close()
        try:
            ep2.poll(1, 4)
        except IOError, e:
            self.assertEqual(e.args[0], errno.EBADF, e) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def read_from_fd(self):
        try:
            chunk = os.read(self.fd, self.read_chunk_size)
        except (IOError, OSError) as e:
            if e.args[0] in _ERRNO_WOULDBLOCK:
                return None
            elif e.args[0] == errno.EBADF:
                # If the writing half of a pipe is closed, select will
                # report it as readable but reads will fail with EBADF.
                self.close(exc_info=True)
                return None
            else:
                raise
        if not chunk:
            self.close()
            return None
        return chunk 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def test_makefile_close(self):
        # Issue #5238: creating a file-like object with makefile() shouldn't
        # delay closing the underlying "real socket" (here tested with its
        # file descriptor, hence skipping the test under Windows).
        with support.transient_internet("svn.python.org"):
            ss = ssl.wrap_socket(socket.socket(socket.AF_INET))
            ss.connect(("svn.python.org", 443))
            fd = ss.fileno()
            f = ss.makefile()
            f.close()
            # The fd is still open
            os.read(fd, 0)
            # Closing the SSL socket should close the fd too
            ss.close()
            gc.collect()
            with self.assertRaises(OSError) as e:
                os.read(fd, 0)
            self.assertEqual(e.exception.errno, errno.EBADF) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBADF [as 别名]
def test_invalidDescriptor(self):
        """
        An implementation of L{IReactorSocket.adoptStreamPort} raises
        L{socket.error} if passed an integer which is not associated with a
        socket.
        """
        reactor = self.buildReactor()

        probe = socket.socket()
        fileno = probe.fileno()
        probe.close()

        exc = self.assertRaises(
            socket.error,
            reactor.adoptStreamPort, fileno, socket.AF_INET, ServerFactory())
        if platform.isWindows() and _PY3:
            self.assertEqual(exc.args[0], errno.WSAENOTSOCK)
        else:
            self.assertEqual(exc.args[0], errno.EBADF)