How to use the spyder.utils.icon_manager.icon function in spyder

gonext_btn = create_toolbutton(
                self, icon=ima.icon('ArrowForward'),
                tip=_("Next figure ({})").format(
                      CONF.get_shortcut('plots', 'next figure')),
                triggered=self.go_next_thumbnail)

        vsep2 = QFrame()
        vsep2.setFrameStyle(53)

        self.zoom_out_btn = create_toolbutton(
                self, icon=ima.icon('zoom_out'),
                tip=_("Zoom out (Ctrl + mouse-wheel-down)"),
                triggered=self.zoom_out)

        self.zoom_in_btn = create_toolbutton(
                self, icon=ima.icon('zoom_in'),
                tip=_("Zoom in (Ctrl + mouse-wheel-up)"),
                triggered=self.zoom_in)

        self.zoom_disp = QSpinBox()
        self.zoom_disp.setAlignment(Qt.AlignCenter)
        self.zoom_disp.setButtonSymbols(QSpinBox.NoButtons)
        self.zoom_disp.setReadOnly(True)
        self.zoom_disp.setSuffix(' %')
        self.zoom_disp.setRange(0, 9999)
        self.zoom_disp.setValue(100)
        self.figviewer.sig_zoom_changed.connect(self.zoom_disp.setValue)

        zoom_pan = QWidget()
        layout = QHBoxLayout(zoom_pan)
        layout.setSpacing(0)
        layout.setContentsMargins(0, 0, 0, 0)

icon=ima.icon('edit'),
                                         triggered=self.edit_item)
        self.plot_action = create_action(self, _("Plot"),
                                    icon=ima.icon('plot'),
                                    triggered=lambda: self.plot_item('plot'))
        self.plot_action.setVisible(False)
        self.hist_action = create_action(self, _("Histogram"),
                                    icon=ima.icon('hist'),
                                    triggered=lambda: self.plot_item('hist'))
        self.hist_action.setVisible(False)
        self.imshow_action = create_action(self, _("Show image"),
                                           icon=ima.icon('imshow'),
                                           triggered=self.imshow_item)
        self.imshow_action.setVisible(False)
        self.save_array_action = create_action(self, _("Save array"),
                                               icon=ima.icon('filesave'),
                                               triggered=self.save_array)
        self.save_array_action.setVisible(False)
        self.insert_action = create_action(self, _("Insert"),
                                           icon=ima.icon('insert'),
                                           triggered=self.insert_item)
        self.remove_action = create_action(self, _("Remove"),
                                           icon=ima.icon('editdelete'),
                                           triggered=self.remove_item)
        self.minmax_action = create_action(self, _("Show arrays min/max"),
                                           toggled=self.toggle_minmax)
        self.minmax_action.setChecked(minmax)
        self.toggle_minmax(minmax)
        self.rename_action = create_action(self, _("Rename"),
                                           icon=ima.icon('rename'),
                                           triggered=self.rename_item)
        self.duplicate_action = create_action(self, _("Duplicate"),

self.next_warning_action = create_action(self,
                _("Next warning/error"), icon=ima.icon('next_wng'),
                tip=_("Go to next code analysis warning/error"),
                triggered=self.go_to_next_warning)
        
        self.previous_edit_cursor_action = create_action(self,
                _("Last edit location"), icon=ima.icon('last_edit_location'),
                tip=_("Go to last edit location"),
                triggered=self.go_to_last_edit_location,
                context=Qt.WidgetShortcut)
        self.register_shortcut(self.previous_edit_cursor_action,
                               context="Editor",
                               name="Last edit location",
                               add_sc_to_tip=True)
        self.previous_cursor_action = create_action(self,
                _("Previous cursor position"), icon=ima.icon('prev_cursor'),
                tip=_("Go to previous cursor position"),
                triggered=self.go_to_previous_cursor_position,
                context=Qt.WidgetShortcut)
        self.register_shortcut(self.previous_cursor_action,
                               context="Editor", 
                               name="Previous cursor position",
                               add_sc_to_tip=True)
        self.next_cursor_action = create_action(self,
                _("Next cursor position"), icon=ima.icon('next_cursor'),
                tip=_("Go to next cursor position"),
                triggered=self.go_to_next_cursor_position,
                context=Qt.WidgetShortcut)
        self.register_shortcut(self.next_cursor_action,
                               context="Editor",
                               name="Next cursor position",
                               add_sc_to_tip=True)

self.save_action = create_action(self, _("&Save"),
                icon=ima.icon('filesave'), tip=_("Save file"),
                triggered=self.save,
                context=Qt.WidgetShortcut)
        self.register_shortcut(self.save_action, context="Editor",
                               name="Save file", add_sc_to_tip=True)

        self.save_all_action = create_action(self, _("Sav&e all"),
                icon=ima.icon('save_all'), tip=_("Save all files"),
                triggered=self.save_all,
                context=Qt.WidgetShortcut)
        self.register_shortcut(self.save_all_action, context="Editor",
                               name="Save all", add_sc_to_tip=True)

        save_as_action = create_action(self, _("Save &as..."), None,
                ima.icon('filesaveas'), tip=_("Save current file as..."),
                triggered=self.save_as,
                context=Qt.WidgetShortcut)
        self.register_shortcut(save_as_action, "Editor", "Save As")

        print_preview_action = create_action(self, _("Print preview..."),
                tip=_("Print preview..."), triggered=self.print_preview)
        self.print_action = create_action(self, _("&Print..."),
                icon=ima.icon('print'), tip=_("Print current file..."),
                triggered=self.print_file)
        # Shortcut for close_action is defined in widgets/editor.py
        self.close_action = create_action(self, _("&Close"),
                icon=ima.icon('fileclose'), tip=_("Close current file"),
                triggered=self.close_file)

        self.close_all_action = create_action(self, _("C&lose all"),
                icon=ima.icon('filecloseall'), tip=_("Close all opened files"),

def __update_maximize_action(self):
        if self.state_before_maximizing is None:
            text = _("Maximize current pane")
            tip = _("Maximize current pane")
            icon = ima.icon('maximize')
        else:
            text = _("Restore current pane")
            tip = _("Restore pane to its original size")
            icon = ima.icon('unmaximize')
        self.maximize_action.setText(text)
        self.maximize_action.setIcon(icon)
        self.maximize_action.setToolTip(tip)

def get_plugin_icon(self):
        """Return widget icon."""
        path = images.__path__[0]
        return ima.icon('spyder.line_profiler', icon_path=path)

context=Qt.WidgetShortcut)
        self.register_shortcut(self.previous_edit_cursor_action,
                               context="Editor",
                               name="Last edit location",
                               add_sc_to_tip=True)
        self.previous_cursor_action = create_action(self,
                _("Previous cursor position"), icon=ima.icon('prev_cursor'),
                tip=_("Go to previous cursor position"),
                triggered=self.go_to_previous_cursor_position,
                context=Qt.WidgetShortcut)
        self.register_shortcut(self.previous_cursor_action,
                               context="Editor", 
                               name="Previous cursor position",
                               add_sc_to_tip=True)
        self.next_cursor_action = create_action(self,
                _("Next cursor position"), icon=ima.icon('next_cursor'),
                tip=_("Go to next cursor position"),
                triggered=self.go_to_next_cursor_position,
                context=Qt.WidgetShortcut)
        self.register_shortcut(self.next_cursor_action,
                               context="Editor",
                               name="Next cursor position",
                               add_sc_to_tip=True)

        # --- Edit Toolbar ---
        self.toggle_comment_action = create_action(self,
                _("Comment")+"/"+_("Uncomment"), icon=ima.icon('comment'),
                tip=_("Comment current line or selection"),
                triggered=self.toggle_comment, context=Qt.WidgetShortcut)
        self.register_shortcut(self.toggle_comment_action, context="Editor",
                               name="Toggle comment")
        blockcomment_action = create_action(self, _("Add &block comment"),

def create_file_manage_actions(self, fnames):
        """Return file management actions"""
        only_files = all([osp.isfile(_fn) for _fn in fnames])
        only_modules = all([osp.splitext(_fn)[1] in ('.py', '.pyw', '.ipy')
                            for _fn in fnames])
        only_notebooks = all([osp.splitext(_fn)[1] == '.ipynb'
                              for _fn in fnames])
        only_valid = all([encoding.is_text_file(_fn) for _fn in fnames])
        run_action = create_action(self, _("Run"), icon=ima.icon('run'),
                                   triggered=self.run)
        open_with_spyder_action = create_action(
            self, _("Open in Spyder"), icon=ima.icon('edit'),
            triggered=self.open)
        open_with_menu = QMenu(_('Open with'), self)
        open_external_action = create_action(
            self, _("Open externally"),
            triggered=self.open_external)
        move_action = create_action(self, _("Move..."),
                                    icon="move.png",
                                    triggered=self.move)
        delete_action = create_action(self, _("Delete..."),
                                      icon=ima.icon('editdelete'),
                                      triggered=self.delete)
        rename_action = create_action(self, _("Rename..."),
                                      icon=ima.icon('rename'),
                                      triggered=self.rename)
        ipynb_convert_action = create_action(self, _("Convert to Python script"),
                                             icon=ima.icon('python'),

def __update_fullscreen_action(self):
        if self.isFullScreen():
            icon = ima.icon('window_nofullscreen')
        else:
            icon = ima.icon('window_fullscreen')
        if is_text_string(icon):
            icon = get_icon(icon)
        self.fullscreen_action.setIcon(icon)

def add_actions_to_context_menu(self, menu):
        """Add actions to IPython widget context menu"""
        inspect_action = create_action(self, _("Inspect current object"),
                                    QKeySequence(get_shortcut('console',
                                                    'inspect current object')),
                                    icon=ima.icon('MessageBoxInformation'),
                                    triggered=self.inspect_object)
        clear_line_action = create_action(self, _("Clear line or block"),
                                          QKeySequence("Shift+Escape"),
                                          icon=ima.icon('editdelete'),
                                          triggered=self.clear_line)
        reset_namespace_action = create_action(self, _("Reset namespace"),
                                          QKeySequence("Ctrl+Alt+R"),
                                          triggered=self.reset_namespace)
        clear_console_action = create_action(self, _("Clear console"),
                                             QKeySequence(get_shortcut('console',
                                                               'clear shell')),
                                             icon=ima.icon('editclear'),
                                             triggered=self.clear_console)
        quit_action = create_action(self, _("&Quit"), icon=ima.icon('exit'),
                                    triggered=self.exit_callback)
        add_actions(menu, (None, inspect_action, clear_line_action,
                           clear_console_action, reset_namespace_action,
                           None, quit_action))
        return menu