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21 Commits

Author SHA1 Message Date
Raymond Hettinger 4f01f89b8c For safety, replace a tuple entry before decreffing it. 2003-08-30 00:10:06 +00:00
Raymond Hettinger a56f6b6600 SF bug #793826: using itertools.izip to mutate tuples 
Avoid Armin Rigo's dastardly exercise in re-entrancy.
 2003-08-29 23:09:58 +00:00
Raymond Hettinger b5a420883c Modified itertools.izip() to match the behavior of __builtin__.zip() 
which can now take zero arguments.
 2003-08-08 05:10:41 +00:00
Raymond Hettinger 1d7a3489e9 SF patch #770521: make itertools type declarations static 
(Contributed by Andrew I MacIntyre.)
 2003-07-14 07:07:12 +00:00
Raymond Hettinger befa37dd05 Minor updates: 
* Updated comment on design of imap()
* Added untraversed object in izip() structure
* Replaced the pairwise() example with a more general window() example
 2003-06-18 19:25:37 +00:00
Raymond Hettinger 7d98fb9806 Add missing DECREF. 2003-06-17 23:14:40 +00:00
Raymond Hettinger bfef18ca0e PyType_GenericAlloc is inherited from object. 2003-05-23 03:55:42 +00:00
Raymond Hettinger d449eab1e4 Fixed dotted name assertion. 2003-05-22 16:32:58 +00:00
Raymond Hettinger 7c2bb5bc57 * Added a substantial number of edge case and argument tests for 
the itertoolsmodule.
* Taught itertools.repeat(obj, n) to treat negative repeat counts as
  zero.  This behavior matches that for sequences and prevents
  infinite loops.
 2003-05-03 05:59:48 +00:00
Raymond Hettinger 341deb74e7 The previous made the stop argument optional. 
It is better to be explicit and just allow stop to be None.
 2003-05-02 19:44:20 +00:00
Raymond Hettinger 14ef54cd83 SF bug #730685: itertools.islice stop argument is not optional 
* itertools.islice() stop argument did not perform as documented.
* beefed-up test suite
 2003-05-02 19:04:37 +00:00
Andrew M. Kuchling dff694bb9d Fix docstring typo 2003-04-14 15:31:27 +00:00
Raymond Hettinger 1da1dbf458 Renamed PyObject_GenericGetIter to PyObject_SelfIter 
to more accurately describe what the function does.

Suggested by Thomas Wouters.
 2003-03-17 19:46:11 +00:00
Raymond Hettinger 0153826964 Created PyObject_GenericGetIter(). 
Factors out the common case of returning self.
 2003-03-17 08:24:35 +00:00
Raymond Hettinger d1a283be26 Several of the tools can make direct calls the inner iterators. 2003-03-01 01:48:24 +00:00
Raymond Hettinger 61fe64d5de User requested changes to the itertools module. 
Subsumed times() into repeat().
Added cycle() and chain().
 2003-02-23 04:40:07 +00:00
Guido van Rossum d58f3fce3d Remove unused variable. 2003-02-09 17:19:18 +00:00
Raymond Hettinger 60eca9331a C Code: 
* Removed the ifilter flag wart by splitting it into two simpler functions.
* Fixed comment tabbing in C code.
* Factored module start-up code into a loop.

Documentation:
* Re-wrote introduction.
* Addede examples for quantifiers.
* Simplified python equivalent for islice().
* Documented split of ifilter().

Sets.py:
* Replace old ifilter() usage with new.
 2003-02-09 06:40:58 +00:00
Raymond Hettinger f0c00241ae * Eliminated tuple re-use in imap(). Doing it correctly made the code 
too hard to read.
* Simplified previous changes to izip() to make it easier to read.
 2003-02-07 07:26:25 +00:00
Raymond Hettinger 2012f174ea SF bug #681003: itertools issues 
* Fixed typo in exception message for times()
* Filled in missing times_traverse()
* Document reasons that imap() did not adopt a None fill-in feature
* Document that count(sys.maxint) will wrap-around on overflow
* Add overflow test to islice()
* Check that starmap()'s argument returns a tuple
* Verify that imap()'s tuple re-use is safe
* Make a similar tuple re-use (with safety check) for izip()
 2003-02-07 05:32:58 +00:00
Raymond Hettinger 96ef8115dd Move itertools module from the sandbox and into production. 2003-02-01 00:10:11 +00:00