Example command to create a 'surround with' action in PyDev

pyedit_custom_surround_with.py

if False:
    from org.python.pydev.editor import PyEdit #@UnresolvedImport
    cmd = 'command string'
    editor = PyEdit
    systemGlobals = {}

if cmd == 'onCreateActions':
    assert editor is not None

    MySurroundAction = systemGlobals.get('MySurroundAction')
    if MySurroundAction is None:
        Action = editor.getActionClass() #from org.eclipse.jface.action import Action #@UnresolvedImport

        class MySurroundAction(Action):

            def __init__(self, editor):
                self.editor = editor

            def run(self):
                editor = self.editor
                sel = editor.createPySelection()
                txt = sel.getSelectedText()

                doc = sel.getDoc()
                sel = sel.getTextSelection()
                doc.replace(sel.getOffset(), sel.getLength(), 'my_func(%s)' % (txt,))

        systemGlobals['MySurroundAction'] = MySurroundAction

    # Change these constants if the default does not suit your needs
    ACTIVATION_STRING = 'x'
    WAIT_FOR_ENTER = False

    # Register the extension as an ActionListener.
    editor.addOfflineActionListener(ACTIVATION_STRING, MySurroundAction(editor), 'Surround with function', WAIT_FOR_ENTER)