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71 Commits

Author SHA1 Message Date
Raymond Hettinger 2dc90fdfaf Separate initialization from clearing. 2009-03-25 22:41:32 +00:00
Raymond Hettinger e5b78563b6 Make imported name private and wrap long-line. 2009-03-23 18:26:59 +00:00
Raymond Hettinger 906f95e80b Move initialization of root link to __init__. 2009-03-23 04:42:18 +00:00
Raymond Hettinger f1e2df9780 Add more comments. Improve variable names. 
Make links clearer by using a Link object
instead of a list.  Use proxy links to avoid
circular references.
 2009-03-23 00:08:09 +00:00
Raymond Hettinger c8e81ef508 Fix typo 2009-03-19 23:22:25 +00:00
Raymond Hettinger e980d2d44b * Add implementation notes. 
* Re-order methods so that those touching the underlying data
  structure come first and the derived methods come last.
 2009-03-19 23:12:41 +00:00
Raymond Hettinger 2412299be9 * Add clearer comment to initialization code. 
* Add optional argument to popitem() -- modeled
  after Anthon van der Neut's C version.
* Fix method markup in docs.
 2009-03-19 19:59:58 +00:00
Raymond Hettinger 2124599eaa Improve implementation with better underlying data structure 
for O(1) deletions.  Big-Oh performance now the same as regular
dictionaries.  Uses a doubly-linked list instead of a list/seq
to track insertion order.
 2009-03-19 15:21:10 +00:00
Raymond Hettinger a61ae6922f Use mixin methods where possible. (2.7 only -- these don't all exist in 3.0) 2009-03-18 22:13:20 +00:00
Raymond Hettinger 131af6505a Backport 70140, 70141, 70143, and 70144. 
Adds tests, switches from list to deque, fixes __reduce__
which was unnecessarily copying __keys.
 2009-03-03 22:59:25 +00:00
Raymond Hettinger 0b15541ae2 Minor simplification. 2009-03-03 21:13:51 +00:00
Raymond Hettinger 9353ea2b85 Make the underlying data structure more private. 2009-03-03 20:53:51 +00:00
Raymond Hettinger 88a9164cdb Backport 70106: Add OrderedDict support to collections.namedtuple(). 2009-03-03 04:51:24 +00:00
Raymond Hettinger bc512d3abd Backport PEP 372: OrderedDict() 2009-03-03 04:45:34 +00:00
Raymond Hettinger 322daea7c3 Issue 1818: collections.namedtuple() to support automatic renaming of invalid fieldnames. 2009-02-10 01:24:05 +00:00
Raymond Hettinger ecf252abac Issue 5021: doctest.testfile should set __name__ 2009-01-27 10:03:04 +00:00
Raymond Hettinger 1bc1c8ac76 Update comments and add an optimized path for Counter.update(). 2009-01-22 09:05:43 +00:00
Raymond Hettinger 4571f347f9 Simplify explanation of multiset operations by removing restrictions on negative inputs. 2009-01-21 20:31:50 +00:00
Raymond Hettinger ae3f068fb5 Make merging easier by formattng comment blocks the same in Py3.1 2009-01-20 03:36:36 +00:00
Raymond Hettinger 562a4ada56 Add Counter() to __all__. 2009-01-20 02:24:38 +00:00
Raymond Hettinger bad1eb2ff3 Build-outs for Counter() class: 
* Constructor and update() support keyword args (like their dict counterparts).
* The 'del' statement no longer raises KeyError for missing values.
* Add multiset operations:  __add__, __sub__, __and__, __or__.
 2009-01-20 01:19:26 +00:00
Raymond Hettinger 35288c6b6c Speed-up __repr__. Eliminate duplicate tests. Use a from-irmport. 2009-01-13 04:50:35 +00:00
Raymond Hettinger 783d73fc2f Fixup and simplify docstrings and doctests. 2009-01-13 04:13:53 +00:00
Raymond Hettinger aaa6e630f8 Simplify Counter() API. Replace items keyword argument 
with a mapping.  Makes Counter() idempotent, makes update()
API the same as Counter.__init__(), makes a more readable
repr, makes the API more dict-like, and allows Steven
Bethard's update() example to work.
 2009-01-13 01:05:03 +00:00
Raymond Hettinger f94d7fa5fb Issue 1696199: Add collections.Counter(). 2009-01-12 22:58:41 +00:00
Raymond Hettinger 6ee7bc04f7 Fix namedtuple bug reported by Glenn Linderman. Template did not form correctly if the field names were input in Unicode. 2008-09-25 23:31:52 +00:00
Raymond Hettinger e98839a1f4 Issue3065: Fixed pickling of named tuples. Added tests. 2008-06-09 01:28:30 +00:00
Raymond Hettinger 3c2523c2eb Issue 2903: Add __name__ in globals for namedtuple namespace. 2008-05-30 07:16:53 +00:00
Raymond Hettinger 15b5e55b48 Neaten-up the named tuple docs 2008-01-10 23:00:01 +00:00
Raymond Hettinger e850c466c7 Clarify how to add a field to a named tuple. 2008-01-10 20:37:12 +00:00
Raymond Hettinger e1655088ca Examples for named tuple subclassing should include __slots__ 2008-01-10 19:15:10 +00:00
Raymond Hettinger 581671419f Expand comment. 2008-01-08 02:02:05 +00:00
Raymond Hettinger f5e8af1bb7 Use get() instead of pop() for the optimized version of _replace(). 2008-01-07 20:56:05 +00:00
Raymond Hettinger 9a359210aa Cleanup named tuple subclassing example. 2008-01-07 20:07:38 +00:00
Raymond Hettinger dc55f35f38 Add another named tuple subclassing example. 2008-01-07 09:03:49 +00:00
Raymond Hettinger 1db6f80cd5 Cleanup subclassing example to more clearly show fixed-width print format. 2008-01-07 05:50:35 +00:00
Raymond Hettinger b8e0072fec Add subclassing example to docs for named tuples. 2008-01-07 04:24:49 +00:00
Raymond Hettinger 844f71b7e4 Speed-up named tuple's _make() constructor. 2008-01-06 22:11:54 +00:00
Raymond Hettinger 1166872006 Small code simplification. Forgot that classmethods can be called from intances. 2008-01-06 09:02:24 +00:00
Raymond Hettinger 1b50fd7cb3 Add error-checking to namedtuple's _replace() method. 2008-01-05 02:17:24 +00:00
Raymond Hettinger 02740f73ff Improve namedtuple's _cast() method with a docstring, new name, and error-checking. 2008-01-05 01:35:43 +00:00
Raymond Hettinger e0734e7dc0 Minor fix-ups to named tuples: 
* Make the _replace() method respect subclassing.

* Using property() to make _fields read-only wasn't a good idea.
  It caused len(Point._fields) to fail.

* Add note to _cast() about length checking and alternative with the star-operator.
 2008-01-04 03:22:53 +00:00
Raymond Hettinger 85dfcf3530 Users demand iterable input for named tuples. The author capitulates. 2007-12-18 23:51:15 +00:00
Raymond Hettinger 8777bcae27 Simplify and speedup _asdict() for named tuples. 2007-12-18 22:21:27 +00:00
Raymond Hettinger 88880b2dd6 Add more namedtuple() test cases. Neaten the code and comments. 2007-12-18 00:13:45 +00:00
Raymond Hettinger 07ae83f840 Faster and simpler _replace() method 2007-12-14 19:19:59 +00:00
Raymond Hettinger 48eca67ab9 Add line spacing for readability 2007-12-14 18:08:20 +00:00
Raymond Hettinger 42da874cdd Cleaner method naming convention 2007-12-14 02:49:47 +00:00
Raymond Hettinger bc288e8bbd Small speedup 2007-12-13 23:52:59 +00:00
Raymond Hettinger 04a9a0e904 Simplify implementation of __replace__() 2007-12-13 22:55:52 +00:00