def _init_kernel_manager(self): connection_file = find_connection_file(self.app.connection_file) manager = QtKernelManager(connection_file=connection_file) manager.load_connection_file() manager.start_channels() atexit.register(manager.cleanup_connection_file) self.kernel_manager = manager
def default_manager(kernel): """ Return a configured QtKernelManager :param kernel: An IPKernelApp instance """ connection_file = find_connection_file(kernel.connection_file) manager = QtKernelManager(connection_file=connection_file) manager.load_connection_file() manager.start_channels() atexit.register(manager.cleanup_connection_file) return manager
def create_kernel_manager_and_client(self, connection_file=None, hostname=None, sshkey=None, password=None): """Create kernel manager and client""" cf = find_connection_file(connection_file, profile='default') kernel_manager = QtKernelManager(connection_file=cf, config=None) if programs.is_module_installed('IPython', '>=1.0'): kernel_client = kernel_manager.client() kernel_client.load_connection_file() if hostname is not None: try: newports = tunnel_to_kernel( dict(ip=kernel_client.ip, shell_port=kernel_client.shell_port, iopub_port=kernel_client.iopub_port, stdin_port=kernel_client.stdin_port, hb_port=kernel_client.hb_port), hostname, sshkey, password) (kernel_client.shell_port, kernel_client.iopub_port, kernel_client.stdin_port, kernel_client.hb_port) = newports except Exception as e: QMessageBox.critical( self, _('Connection error'), _('Could not open ssh tunnel\n') + str(e)) return None, None kernel_client.start_channels() # To rely on kernel's heartbeat to know when a kernel has died kernel_client.hb_channel.unpause() return kernel_manager, kernel_client else: kernel_manager.load_connection_file() if hostname is not None: try: newports = tunnel_to_kernel( dict(ip=kernel_manager.ip, shell_port=kernel_manager.shell_port, iopub_port=kernel_manager.iopub_port, stdin_port=kernel_manager.stdin_port, hb_port=kernel_manager.hb_port), hostname, sshkey, password) (kernel_manager.shell_port, kernel_manager.iopub_port, kernel_manager.stdin_port, kernel_manager.hb_port) = newports except Exception as e: QMessageBox.critical( self, _('Connection error'), _('Could not open ssh tunnel\n') + str(e)) return None, None kernel_manager.start_channels() return kernel_manager, None
def create_kernel_manager_and_client(self, connection_file=None): """Create kernel manager and client""" cf = find_connection_file(connection_file, profile='default') kernel_manager = QtKernelManager(connection_file=cf, config=None) if programs.is_module_installed('IPython', '>=1.0'): kernel_client = kernel_manager.client() kernel_client.load_connection_file() kernel_client.start_channels() # To rely on kernel's heartbeat to know when a kernel has died kernel_client.hb_channel.unpause() else: kernel_client = None kernel_manager.load_connection_file() kernel_manager.start_channels() return kernel_manager, kernel_client
def create_kernel_manager_and_client(self, connection_file=None, hostname=None, sshkey=None, password=None): """Create kernel manager and client""" cf = find_connection_file(connection_file, profile='default') kernel_manager = QtKernelManager(connection_file=cf, config=None) if programs.is_module_installed('IPython', '>=1.0'): kernel_client = kernel_manager.client() kernel_client.load_connection_file() if hostname is not None: try: newports = tunnel_to_kernel(dict(ip=kernel_client.ip, shell_port=kernel_client.shell_port, iopub_port=kernel_client.iopub_port, stdin_port=kernel_client.stdin_port, hb_port=kernel_client.hb_port), hostname, sshkey, password) (kernel_client.shell_port, kernel_client.iopub_port, kernel_client.stdin_port, kernel_client.hb_port) = newports except Exception as e: QMessageBox.critical(self, _('Connection error'), _('Could not open ssh tunnel\n') + str(e)) return None, None kernel_client.start_channels() # To rely on kernel's heartbeat to know when a kernel has died kernel_client.hb_channel.unpause() return kernel_manager, kernel_client else: kernel_manager.load_connection_file() if hostname is not None: try: newports = tunnel_to_kernel(dict(ip=kernel_manager.ip, shell_port=kernel_manager.shell_port, iopub_port=kernel_manager.iopub_port, stdin_port=kernel_manager.stdin_port, hb_port=kernel_manager.hb_port), hostname, sshkey, password) (kernel_manager.shell_port, kernel_manager.iopub_port, kernel_manager.stdin_port, kernel_manager.hb_port) = newports except Exception as e: QMessageBox.critical(self, _('Connection error'), _('Could not open ssh tunnel\n') + str(e)) return None, None kernel_manager.start_channels() return kernel_manager, None
def connect_kernel(self, conn, heartbeat=False): km = QtKernelManager(connection_file=find_connection_file(conn)) km.load_connection_file() km.start_channels(hb=heartbeat) self.kernel_manager = km atexit.register(self.kernel_manager.cleanup_connection_file)