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'Provides "Strip trailing whitespace" under the "Format" menu.' __author__ = "Roger D. Serwy <roger.serwy at gmail.com>" class RstripExtension: menudefs = [ ('format', [None, ('Strip trailing whitespace', '<<do-rstrip>>'), ]),] def __init__(self, editwin): self.editwin = editwin self.editwin.text.bind("<<do-rstrip>>", self.do_rstrip) def do_rstrip(self, event=None): text = self.editwin.text undo = self.editwin.undo undo.undo_block_start() end_line = int(float(text.index('end'))) + 1 for cur in range(1, end_line): txt = text.get('%i.0' % cur, '%i.0 lineend' % cur) cut = len(txt.rstrip()) text.delete('%i.%i' % (cur, cut), '%i.0 lineend' % cur) undo.undo_block_stop()