import scintilla, pn, pypn.glue, time

oldDocLoad = pypn.glue.onDocLoad

def docLoad(doc):
    """ docLoad handler to implement notepad .LOG functionality"""

    # Get the edit component:
    s = scintilla.Scintilla(doc)

    # Get the first line:
    lineLength = s.LineLength(0)
    text = s.GetText(0, lineLength)

    # If we have .LOG then add a blank line and then the date and time
    if text.startswith(".LOG"):
        timestr = "\r\n\r\n" + time.asctime(time.localtime()) + "\r\n"
        s.AppendText(len(timestr), timestr)

        # Jump to the end of the document
        s.DocumentEnd()

    oldDocLoad(doc)

pypn.glue.onDocLoad = docLoad