python - Read text from TextBuffer in pyGtk using TextMarks -

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i using multiline text view , text buffer manipulate text in pygtk. want read input position insert pressed last time, , current position insert pressed again.

def markit(self, pos):     mark = self.create_mark(mark_name = 'startinsert', = pos, left_gravity = true)     mark.set_visible = true     return mark  def keypress(widget, event): if event.keyval == 65293:     buff = termwindow.get_buffer()     # read command.      ### how this?????      print command     # delete previous created mark.     buff.delete_mark_by_name('startinsert')     buff.markit(current_pos)     return true return false

this mark create every time in enter key callback function. initially, position can zero. also, though did set visibility true, not visible.


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