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| author | Raymond Hettinger <python@rcn.com> | 2011-11-05 20:35:26 (GMT) |
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| committer | Raymond Hettinger <python@rcn.com> | 2011-11-05 20:35:26 (GMT) |
| commit | 4e6bf41934de08f62b22b90cda2e331eb4641dea (patch) | |
| tree | 6fd3f1a8069eccab24e1d38fe5e093f9056ffa4e /Lib/collections.py | |
| parent | 0115fae8c21122cda699d2d9fbf51f755bb7b365 (diff) | |
| download | cpython-4e6bf41934de08f62b22b90cda2e331eb4641dea.zip cpython-4e6bf41934de08f62b22b90cda2e331eb4641dea.tar.gz cpython-4e6bf41934de08f62b22b90cda2e331eb4641dea.tar.bz2 | |
Improve Counter.__repr__() to not fail with unorderable values
Diffstat (limited to 'Lib/collections.py')
| -rw-r--r-- | Lib/collections.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Lib/collections.py b/Lib/collections.py index 2b6abd8..d2625fe 100644 --- a/Lib/collections.py +++ b/Lib/collections.py @@ -583,8 +583,12 @@ class Counter(dict): def __repr__(self): if not self: return '%s()' % self.__class__.__name__ - items = ', '.join(map('%r: %r'.__mod__, self.most_common())) - return '%s({%s})' % (self.__class__.__name__, items) + try: + items = ', '.join(map('%r: %r'.__mod__, self.most_common())) + return '%s({%s})' % (self.__class__.__name__, items) + except TypeError: + # handle case where values are not orderable + return '{0}({1!r})'.format(self.__class__.__name__, dict(self)) # Multiset-style mathematical operations discussed in: # Knuth TAOCP Volume II section 4.6.3 exercise 19 |