From dbb677a894b2d9da3945f7e3c0fdf850ea1bd3f1 Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Sat, 9 Apr 2011 19:41:00 -0700 Subject: [PATCH] Beautify and modernize the SequenceMatcher example --- Doc/library/difflib.rst | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/Doc/library/difflib.rst b/Doc/library/difflib.rst index a0afe81ce0..bdc37b3e0a 100644 --- a/Doc/library/difflib.rst +++ b/Doc/library/difflib.rst @@ -483,13 +483,15 @@ The :class:`SequenceMatcher` class has this constructor: >>> b = "abycdf" >>> s = SequenceMatcher(None, a, b) >>> for tag, i1, i2, j1, j2 in s.get_opcodes(): - ... print(("%7s a[%d:%d] (%s) b[%d:%d] (%s)" % - ... (tag, i1, i2, a[i1:i2], j1, j2, b[j1:j2]))) - delete a[0:1] (q) b[0:0] () - equal a[1:3] (ab) b[0:2] (ab) - replace a[3:4] (x) b[2:3] (y) - equal a[4:6] (cd) b[3:5] (cd) - insert a[6:6] () b[5:6] (f) + print('{:7} a[{}:{}] --> b[{}:{}] {!r:>8} --> {!r}'.format( + tag, i1, i2, j1, j2, a[i1:i2], b[j1:j2])) + + + delete a[0:1] --> b[0:0] 'q' --> '' + equal a[1:3] --> b[0:2] 'ab' --> 'ab' + replace a[3:4] --> b[2:3] 'x' --> 'y' + equal a[4:6] --> b[3:5] 'cd' --> 'cd' + insert a[6:6] --> b[5:6] '' --> 'f' .. method:: get_grouped_opcodes(n=3) -- 2.40.0