Edit: rstrip.py
'Provides "Strip trailing whitespace" under the "Format" menu.' class Rstrip: def __init__(self, editwin): self.editwin = editwin 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'))) for cur in range(1, end_line): txt = text.get('%i.0' % cur, '%i.end' % cur) raw = len(txt) cut = len(txt.rstrip()) # Since text.delete() marks file as changed, even if not, # only call it when needed to actually delete something. if cut < raw: text.delete('%i.%i' % (cur, cut), '%i.end' % cur) undo.undo_block_stop() if __name__ == "__main__": from unittest import main main('idlelib.idle_test.test_rstrip', verbosity=2,)
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