def __init__(
        self, parent=None, namespace=None, commands=[], message=None, exitfunc=None, profile=False, multithreaded=False
    ):
        if PYQT5:
            SpyderPluginWidget.__init__(self, parent, main=parent)
        else:
            SpyderPluginWidget.__init__(self, parent)

        debug_print("    ..internal console: initializing")
        self.dialog_manager = DialogManager()

        # Shell
        light_background = self.get_option("light_background")
        self.shell = InternalShell(
            parent,
            namespace,
            commands,
            message,
            self.get_option("max_line_count"),
            self.get_plugin_font(),
            exitfunc,
            profile,
            multithreaded,
            light_background=light_background,
        )
        self.shell.status.connect(lambda msg: self.show_message.emit(msg, 0))
        self.shell.go_to_error.connect(self.go_to_error)
        self.shell.focus_changed.connect(lambda: self.focus_changed.emit())

        # Redirecting some signals:
        self.shell.redirect_stdio.connect(lambda state: self.redirect_stdio.emit(state))

        # Initialize plugin
        self.initialize_plugin()

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.shell)
        self.find_widget.hide()
        self.register_widget_shortcuts("Editor", self.find_widget)

        # Main layout
        layout = QVBoxLayout()
        layout.addWidget(self.shell)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)

        # Parameters
        self.shell.toggle_wrap_mode(self.get_option("wrap"))

        # Accepting drops
        self.setAcceptDrops(True)

    def __init__(self, parent=None, namespace=None, commands=[], message=None,
                 exitfunc=None, profile=False, multithreaded=False):
        SpyderPluginWidget.__init__(self, parent)
        
        debug_print("    ..internal console: initializing")
        self.dialog_manager = DialogManager()

        # Shell
        light_background = self.get_option('light_background')
        self.shell = InternalShell(parent, namespace, commands, message,
                                   self.get_option('max_line_count'),
                                   self.get_plugin_font(), exitfunc, profile,
                                   multithreaded,
                                   light_background=light_background)
        self.connect(self.shell, SIGNAL('status(QString)'),
                     lambda msg:
                     self.emit(SIGNAL('show_message(QString,int)'), msg, 0))
        self.connect(self.shell, SIGNAL("go_to_error(QString)"),
                     self.go_to_error)
        self.connect(self.shell, SIGNAL("focus_changed()"),
                     lambda: self.emit(SIGNAL("focus_changed()")))
        # Redirecting some SIGNALs:
        self.connect(self.shell, SIGNAL('redirect_stdio(bool)'),
                     lambda state: self.emit(SIGNAL('redirect_stdio(bool)'),
                                             state))
        
        # Initialize plugin
        self.initialize_plugin()
                
        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.shell)
        self.find_widget.hide()
        self.register_widget_shortcuts("Editor", self.find_widget)

        # Main layout
        layout = QVBoxLayout()
        layout.addWidget(self.shell)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)
        
        # Parameters
        self.shell.toggle_wrap_mode(self.get_option('wrap'))
            
        # Accepting drops
        self.setAcceptDrops(True)

class Console(SpyderPluginWidget):
    """
    Console widget
    """
    CONF_SECTION = 'internal_console'
    focus_changed = Signal()
    redirect_stdio = Signal(bool)
    edit_goto = Signal(str, int, str)
    
    def __init__(self, parent=None, namespace=None, commands=[], message=None,
                 exitfunc=None, profile=False, multithreaded=False):
        if PYQT5:
            SpyderPluginWidget.__init__(self, parent, main = parent)
        else:
            SpyderPluginWidget.__init__(self, parent)
        
        debug_print("    ..internal console: initializing")
        self.dialog_manager = DialogManager()

        # Shell
        light_background = self.get_option('light_background')
        self.shell = InternalShell(parent, namespace, commands, message,
                                   self.get_option('max_line_count'),
                                   self.get_plugin_font(), exitfunc, profile,
                                   multithreaded,
                                   light_background=light_background)
        self.shell.status.connect(lambda msg: self.show_message.emit(msg, 0))
        self.shell.go_to_error.connect(self.go_to_error)
        self.shell.focus_changed.connect(lambda: self.focus_changed.emit())

        # Redirecting some signals:
        self.shell.redirect_stdio.connect(lambda state:
                                          self.redirect_stdio.emit(state))
        
        # Initialize plugin
        self.initialize_plugin()

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.shell)
        self.find_widget.hide()
        self.register_widget_shortcuts("Editor", self.find_widget)

        # Main layout
        layout = QVBoxLayout()
        layout.addWidget(self.shell)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)
        
        # Parameters
        self.shell.toggle_wrap_mode(self.get_option('wrap'))
            
        # Accepting drops
        self.setAcceptDrops(True)
        
    #------ Private API --------------------------------------------------------
    def set_historylog(self, historylog):
        """Bind historylog instance to this console
        Not used anymore since v2.0"""
        historylog.add_history(self.shell.history_filename)
        self.shell.append_to_history.connect(historylog.append_to_history)
        
    def set_inspector(self, inspector):
        """Bind inspector instance to this console"""
        self.shell.inspector = inspector

    #------ SpyderPluginWidget API ---------------------------------------------
    def get_plugin_title(self):
        """Return widget title"""
        return _('Internal console')
    
    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        return self.shell
        
    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed"""
        self.dialog_manager.close_all()
        self.shell.exit_interpreter()
        return True
        
    def refresh_plugin(self):
        pass
    
    def get_plugin_actions(self):
        """Return a list of actions related to plugin"""
        quit_action = create_action(self, _("&Quit"),
                                    icon='exit.png', tip=_("Quit"),
                                    triggered=self.quit)
        self.register_shortcut(quit_action, "_", "Quit", "Ctrl+Q")
        run_action = create_action(self, _("&Run..."), None,
                            'run_small.png', _("Run a Python script"),
                            triggered=self.run_script)
        environ_action = create_action(self,
                            _("Environment variables..."),
                            icon = 'environ.png',
                            tip=_("Show and edit environment variables"
#.........这里部分代码省略.........

    def __init__(self, parent=None, fname=None, wdir=None,
                 interact=False, debug=False, post_mortem=False,
                 path=[], python_args='',
                 ipykernel=False, arguments='', stand_alone=None,
                 umr_enabled=True, umr_namelist=[], umr_verbose=True,
                 pythonstartup=None, pythonexecutable=None,
                 monitor_enabled=True, mpl_backend=None, ets_backend='qt4',
                 qt_api=None, pyqt_api=0,
                 ignore_sip_setapi_errors=False, merge_output_channels=False,
                 colorize_sys_stderr=False, autorefresh_timeout=3000,
                 autorefresh_state=True, light_background=True,
                 menu_actions=None, show_buttons_inside=True,
                 show_elapsed_time=True):

        assert qt_api in (None, 'pyqt', 'pyside')

        self.namespacebrowser = None # namespace browser widget!
        
        self.dialog_manager = DialogManager()
        
        self.stand_alone = stand_alone # stand alone settings (None: plugin)
        self.interact = interact
        self.is_ipykernel = ipykernel
        self.pythonstartup = pythonstartup
        self.pythonexecutable = pythonexecutable
        self.monitor_enabled = monitor_enabled
        self.mpl_backend = mpl_backend
        self.ets_backend = ets_backend
        self.qt_api = qt_api
        self.pyqt_api = pyqt_api
        self.ignore_sip_setapi_errors = ignore_sip_setapi_errors
        self.merge_output_channels = merge_output_channels
        self.colorize_sys_stderr = colorize_sys_stderr
        self.umr_enabled = umr_enabled
        self.umr_namelist = umr_namelist
        self.umr_verbose = umr_verbose
        self.autorefresh_timeout = autorefresh_timeout
        self.autorefresh_state = autorefresh_state
                
        self.namespacebrowser_button = None
        self.cwd_button = None
        self.env_button = None
        self.syspath_button = None
        self.terminate_button = None

        self.notification_thread = None
        
        ExternalShellBase.__init__(self, parent=parent, fname=fname, wdir=wdir,
                                   history_filename='history.py',
                                   light_background=light_background,
                                   menu_actions=menu_actions,
                                   show_buttons_inside=show_buttons_inside,
                                   show_elapsed_time=show_elapsed_time)

        if self.pythonexecutable is None:
            self.pythonexecutable = get_python_executable()

        self.python_args = None
        if python_args:
            assert is_text_string(python_args)
            self.python_args = python_args
        
        assert is_text_string(arguments)
        self.arguments = arguments
        
        self.connection_file = None

        if self.is_ipykernel:
            self.interact = False
            # Running our custom startup script for IPython kernels:
            # (see spyderlib/widgets/externalshell/start_ipython_kernel.py)
            self.fname = get_module_source_path(
                'spyderlib.widgets.externalshell', 'start_ipython_kernel.py')
        
        self.shell.set_externalshell(self)

        self.toggle_globals_explorer(False)
        self.interact_action.setChecked(self.interact)
        self.debug_action.setChecked(debug)
        
        
        self.introspection_socket = None
        self.is_interpreter = fname is None
        
        if self.is_interpreter:
            self.terminate_button.hide()
            
        self.post_mortem_action.setChecked(post_mortem and not self.is_interpreter)
        
        # Additional python path list
        self.path = path
        self.shell.path = path

class ExternalPythonShell(ExternalShellBase):
    """External Shell widget: execute Python script in a separate process"""
    SHELL_CLASS = ExtPythonShellWidget
    sig_pdb = Signal(str, int)
    open_file = Signal(str, int)
    ipython_kernel_start_error = Signal(str)
    create_ipython_client = Signal(str)
    started = Signal()
    sig_finished = Signal()
    
    def __init__(self, parent=None, fname=None, wdir=None,
                 interact=False, debug=False, post_mortem=False,
                 path=[], python_args='',
                 ipykernel=False, arguments='', stand_alone=None,
                 umr_enabled=True, umr_namelist=[], umr_verbose=True,
                 pythonstartup=None, pythonexecutable=None,
                 monitor_enabled=True, mpl_backend=None, ets_backend='qt4',
                 qt_api=None, pyqt_api=0,
                 ignore_sip_setapi_errors=False, merge_output_channels=False,
                 colorize_sys_stderr=False, autorefresh_timeout=3000,
                 autorefresh_state=True, light_background=True,
                 menu_actions=None, show_buttons_inside=True,
                 show_elapsed_time=True):

        assert qt_api in (None, 'pyqt', 'pyside')

        self.namespacebrowser = None # namespace browser widget!
        
        self.dialog_manager = DialogManager()
        
        self.stand_alone = stand_alone # stand alone settings (None: plugin)
        self.interact = interact
        self.is_ipykernel = ipykernel
        self.pythonstartup = pythonstartup
        self.pythonexecutable = pythonexecutable
        self.monitor_enabled = monitor_enabled
        self.mpl_backend = mpl_backend
        self.ets_backend = ets_backend
        self.qt_api = qt_api
        self.pyqt_api = pyqt_api
        self.ignore_sip_setapi_errors = ignore_sip_setapi_errors
        self.merge_output_channels = merge_output_channels
        self.colorize_sys_stderr = colorize_sys_stderr
        self.umr_enabled = umr_enabled
        self.umr_namelist = umr_namelist
        self.umr_verbose = umr_verbose
        self.autorefresh_timeout = autorefresh_timeout
        self.autorefresh_state = autorefresh_state
                
        self.namespacebrowser_button = None
        self.cwd_button = None
        self.env_button = None
        self.syspath_button = None
        self.terminate_button = None

        self.notification_thread = None
        
        ExternalShellBase.__init__(self, parent=parent, fname=fname, wdir=wdir,
                                   history_filename='history.py',
                                   light_background=light_background,
                                   menu_actions=menu_actions,
                                   show_buttons_inside=show_buttons_inside,
                                   show_elapsed_time=show_elapsed_time)

        if self.pythonexecutable is None:
            self.pythonexecutable = get_python_executable()

        self.python_args = None
        if python_args:
            assert is_text_string(python_args)
            self.python_args = python_args
        
        assert is_text_string(arguments)
        self.arguments = arguments
        
        self.connection_file = None

        if self.is_ipykernel:
            self.interact = False
            # Running our custom startup script for IPython kernels:
            # (see spyderlib/widgets/externalshell/start_ipython_kernel.py)
            self.fname = get_module_source_path(
                'spyderlib.widgets.externalshell', 'start_ipython_kernel.py')
        
        self.shell.set_externalshell(self)

        self.toggle_globals_explorer(False)
        self.interact_action.setChecked(self.interact)
        self.debug_action.setChecked(debug)
        
        
        self.introspection_socket = None
        self.is_interpreter = fname is None
        
        if self.is_interpreter:
            self.terminate_button.hide()
            
        self.post_mortem_action.setChecked(post_mortem and not self.is_interpreter)
        
        # Additional python path list
#.........这里部分代码省略.........

class ExternalPythonShell(ExternalShellBase):
    """External Shell widget: execute Python script in a separate process"""
    SHELL_CLASS = ExtPythonShellWidget
    def __init__(self, parent=None, fname=None, wdir=None,
                 interact=False, debug=False, path=[], python_args='',
                 ipython_shell=False, ipython_kernel=False,
                 arguments='', stand_alone=None,
                 umd_enabled=True, umd_namelist=[], umd_verbose=True,
                 pythonstartup=None, pythonexecutable=None,
                 monitor_enabled=True, mpl_patch_enabled=True,
                 mpl_backend=None, ets_backend='qt4', qt_api=None, pyqt_api=0,
                 install_qt_inputhook=True, ignore_sip_setapi_errors=False,
                 merge_output_channels=False, colorize_sys_stderr=False,
                 autorefresh_timeout=3000, autorefresh_state=True,
                 light_background=True, menu_actions=None,
                 show_buttons_inside=True, show_elapsed_time=True):

        assert qt_api in (None, 'pyqt', 'pyside')

        self.namespacebrowser = None # namespace browser widget!
        
        self.dialog_manager = DialogManager()
        
        self.stand_alone = stand_alone # stand alone settings (None: plugin)
        self.pythonstartup = pythonstartup
        self.pythonexecutable = pythonexecutable
        self.monitor_enabled = monitor_enabled
        self.mpl_patch_enabled = mpl_patch_enabled
        self.mpl_backend = mpl_backend
        self.ets_backend = ets_backend
        self.qt_api = qt_api
        self.pyqt_api = pyqt_api
        self.install_qt_inputhook = install_qt_inputhook
        self.ignore_sip_setapi_errors = ignore_sip_setapi_errors
        self.merge_output_channels = merge_output_channels
        self.colorize_sys_stderr = colorize_sys_stderr
        self.umd_enabled = umd_enabled
        self.umd_namelist = umd_namelist
        self.umd_verbose = umd_verbose
        self.autorefresh_timeout = autorefresh_timeout
        self.autorefresh_state = autorefresh_state
                
        self.namespacebrowser_button = None
        self.cwd_button = None
        self.env_button = None
        self.syspath_button = None
        self.terminate_button = None

        self.notification_thread = None
        
        ExternalShellBase.__init__(self, parent, wdir,
                                   history_filename='.history.py',
                                   light_background=light_background,
                                   menu_actions=menu_actions,
                                   show_buttons_inside=show_buttons_inside,
                                   show_elapsed_time=show_elapsed_time)
        
        self.python_args = None
        if python_args:
            assert isinstance(python_args, basestring)
            self.python_args = python_args
        
        assert isinstance(arguments, basestring)
        self.arguments = arguments
        
        self.is_ipython_shell = ipython_shell
        self.is_ipython_kernel = ipython_kernel
        if self.is_ipython_shell or self.is_ipython_kernel:
            interact = False
            # Running our custom startup script for IPython sessions:
            # (see spyderlib/widgets/externalshell/startup.py)
            self.fname = get_module_source_path(
                            'spyderlib.widgets.externalshell', 'startup.py')
        else:
            self.fname = fname
        
        self.shell.set_externalshell(self)

        self.toggle_globals_explorer(False)
        self.interact_action.setChecked(interact)
        self.debug_action.setChecked(debug)
        
        self.introspection_socket = None
        self.is_interpreter = fname is None
        
        if self.is_interpreter:
            self.terminate_button.hide()
        
        # Additional python path list
        self.path = path
        
    def set_introspection_socket(self, introspection_socket):
        self.introspection_socket = introspection_socket
        if self.namespacebrowser is not None:
            settings = self.namespacebrowser.get_view_settings()
            communicate(introspection_socket,
                        'set_remote_view_settings()', settings=[settings])
        
    def set_autorefresh_timeout(self, interval):
        if self.introspection_socket is not None:
#.........这里部分代码省略.........