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* - On 64-bit platforms, when __len__() returns a value that cannot beGuido van Rossum2005-09-202-2/+22
| | | | | represented as a C int, raise OverflowError. (Will forward-port.)
* backport patch [ 1118729 ] Error in representation of complex numbers(again)Georg Brandl2005-09-161-6/+3
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* Backport checkin:Walter Dörwald2005-08-301-0/+75
| | | | | | SF bug #1251300: On UCS-4 builds the "unicode-internal" codec will now complain about illegal code points. The codec now supports PEP 293 style error handlers. (This is a variant of the patch by Nik Haldimann that detects truncated data)
* Disallow keyword arguments for type constructors that don't use themGeorg Brandl2005-08-264-1/+16
| | | | (fixes #1119418).
* SF bug #1242657: list(obj) can swallow KeyboardInterruptRaymond Hettinger2005-08-212-0/+10
| | | | | | Fix over-aggressive PyErr_Clear(). The same code fragment appears in various guises in list.extend(), map(), filter(), zip(), and internally in PySequence_Tuple().
* Teach set modules to correctly compute s-=s and s^=s as the empty set.Raymond Hettinger2005-08-131-10/+13
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* * SF bug #1257731: Fix logic in set.__contains__(), set.remove(),Raymond Hettinger2005-08-121-36/+41
| | | | | | | | and set.discard for handling keys that both inherite from set and define their own __hash__() function. * Fixed O(n) performance issue with set.pop() which should have been an O(1) process.
* backporting fix by tim_one:Georg Brandl2005-07-181-5/+8
| | | | | | | | | | | | """ SF bug #1238681: freed pointer is used in longobject.c:long_pow(). In addition, long_pow() skipped a necessary (albeit extremely unlikely to trigger) error check when converting an int modulus to long. Alas, I was unable to write a test case that crashed due to either cause. """
* Backport:Georg Brandl2005-07-111-27/+23
| | | | | | | | | SF bug 1185883: PyObject_Realloc can't safely take over a block currently managed by C, because it's possible for the block to be smaller than the new requested size, and at the end of allocated VM. Trying to copy over nbytes bytes to a Python small-object block can segfault then, and there's no portable way to avoid this (we would have to know how many bytes starting at p are addressable, and std C has no means to determine that).
* SF patch #1200018: Restore GC support to set objectsRaymond Hettinger2005-06-191-7/+24
| | | | | Reverts 1.26 and 1.27. And adds cycle testing.
* fix int.__divmod__.__doc__Anthony Baxter2005-06-031-2/+8
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* SF bug #1183742: PyDict_Copy() can return non-NULL value on errorRaymond Hettinger2005-04-151-1/+1
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* Backport:Michael W. Hudson2005-03-311-0/+6
| | | | | | | | | | | Fix for rather inaccurately titled bug [ 1165306 ] Property access with decorator makes interpreter crash Don't allow the creation of unbound methods with NULL im_class, because attempting to call such crashes. Backport candidate.
* SF bug #1770766: weakref proxy has incorrect __nonzero__ behavior.Raymond Hettinger2005-03-311-5/+1
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* Convert "__init__ should return None" from an exception to a warning.Raymond Hettinger2005-03-041-4/+5
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* SF bug #1155938: Missing None check for __init__().Raymond Hettinger2005-03-031-0/+6
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* Revert previous checkin on getargs 'L' code. Try to convert allMartin v. Löwis2005-03-031-1/+22
| | | | numbers in PyLong_AsLongLong, and update test suite accordingly.
* Backport: FixMichael W. Hudson2005-02-171-2/+0
| | | | | | | | [ 1124295 ] Function's __name__ no longer accessible in restricted mode which I introduced with a bit of mindless copy-paste when making __name__ writable. You can't assign to __name__ in restricted mode, which I'm going to pretend was intentional :)
* Bug #1079011: Incorrect error message (somewhat)Raymond Hettinger2004-12-191-1/+1
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* Backport fixes for bugs #1086555 and #1085744.Raymond Hettinger2004-12-171-4/+9
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* Correct the handling of 0-termination of PyUnicode_AsWideChar()Marc-André Lemburg2004-11-221-1/+7
| | | | | | | | and its usage in PyLocale_strcoll(). Clarify the documentation on this. Thanks to Andreas Degert for pointing this out.
* SF 1062353: set pickling problemsRaymond Hettinger2004-11-091-2/+9
| | | | Support automatic pickling of dictionaries in instance of set subclasses.
* If close() fails in file_dealloc, then print an error message toPeter Astrand2004-11-071-1/+8
| | | | | stderr. close() can fail if the user is out-of-quota, for example. Fixes #959379.
* SF 1055820: weakref callback vs gc vs threadsTim Peters2004-10-301-1/+3
| | | | | | | | In cyclic gc, clear weakrefs to unreachable objects before allowing any Python code (weakref callbacks or __del__ methods) to run. This is a critical bugfix, affecting all versions of Python since weakrefs were introduced. I'll backport to 2.3.
* Wrote down the invariants of some common objects whose structure isArmin Rigo2004-10-281-0/+12
| | | | | | | | | | exposed in header files. Fixed a few comments in these headers. As we might have expected, writing down invariants systematically exposed a (minor) bug. In this case, function objects have a writeable func_code attribute, which could be set to code objects with the wrong number of free variables. Calling the resulting function segfaulted the interpreter. Added a corresponding test.
* SF bug #1054139: serious string hashing error in 2.4b1Raymond Hettinger2004-10-261-0/+1
| | | | | _PyString_Resize() readied strings for mutation but did not invalidate the cached hash value.
* Applied patch for [ 1047269 ] Buffer overwrite in PyUnicode_AsWideChar.Marc-André Lemburg2004-10-151-2/+2
| | | | Python 2.3.x candidate.
* Finalize the freelist of list objects.Raymond Hettinger2004-10-071-0/+13
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* Use Py_CLEAR(). Add unrelated test.Raymond Hettinger2004-09-281-1/+1
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* Checkin Tim's fix to an error discussed on python-dev.Raymond Hettinger2004-09-261-10/+20
| | | | | | | | | | | | | | | | | Also, add a testcase. Formerly, the list_extend() code used several local variables to remember its state across iterations. Since an iteration could call arbitrary Python code, it was possible for the list state to be changed. The new code uses dynamic structure references instead of C locals. So, they are always up-to-date. After list_resize() is called, its size has been updated but the new cells are filled with NULLs. These needed to be filled before arbitrary iteration code was called; otherwise, that code could attempt to modify a list that was in a semi-invalid state. The solution was to change the ob->size field back to a value reflecting the actual number of valid cells.
* Remove 'extern' declaration for _Py_SwappedOp.Brett Cannon2004-09-251-1/+1
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* Ensure negative offsets cannot be passed to buffer(). When composingNeil Schemenauer2004-09-241-2/+15
| | | | | buffers, compute the new buffer size based on the old buffer size. Fixes SF bug #1034242.
* Fix buffer offset calculation (need to compute it before changingNeil Schemenauer2004-09-241-11/+7
| | | | | 'base'). Fixes SF bug #1033720. Move offset sanity checking to buffer_from_memory().
* float_richcompare(): Use the new Py_IS_NAN macro to ensure that, onTim Peters2004-09-231-11/+9
| | | | | platforms where that macro works, NaN compared to an int or long works the same as NaN compared to a finite float.
* SF bug #513866: Float/long comparison anomaly.Tim Peters2004-09-231-8/+206
| | | | | | | | | | | | | | | | | | When an integer is compared to a float now, the int isn't coerced to float. This avoids spurious overflow exceptions and insane results. This should compute correct results, without raising spurious exceptions, in all cases now -- although I expect that what happens when an int/long is compared to a NaN is still a platform accident. Note that we had potential problems here even with "short" ints, on boxes where sizeof(long)==8. There's #ifdef'ed code here to handle that, but I can't test it as intended. I tested it by changing the #ifdef to trigger on my 32-bit box instead. I suppose this is a bugfix candidate, but I won't backport it. It's long-winded (for speed) and messy (because the problem is messy). Note that this also depends on a previous 2.4 patch that introduced _Py_SwappedOp[] as an extern.
* A static swapped_op[] array was defined in 3 different C files, & I thinkTim Peters2004-09-233-12/+6
| | | | | I need to define it again. Bite the bullet and define it once as an extern, _Py_SwappedOp[].
* Patch #1024670: Support int objects in PyLong_AsUnsignedLong[Mask].Martin v. Löwis2004-09-201-0/+11
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* SF bug #1030557: PyMapping_Check crashes when argument is NULLRaymond Hettinger2004-09-191-2/+2
| | | | | | Make PySequence_Check() and PyMapping_Check() handle NULL inputs. This goes beyond what most of the other checks do, but it is nice defensive programming and solves the OP's problem.
* Initialize sep and seplen to suppress warning from gcc.Skip Montanaro2004-09-161-3/+3
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* Add a missing line continuation character.Thomas Heller2004-09-151-1/+1
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* Make the word "module" appear in the error string for calling theMichael W. Hudson2004-09-141-1/+1
| | | | | | | | module type with silly arguments. (The exact name can be quibbled over, if you care). This was partially inspired by bug #1014215 and so on, but is also just a good idea.
* Move a comment back to its rightful location.Michael W. Hudson2004-09-141-2/+2
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* Make the hint about the None default less ambiguous.Walter Dörwald2004-09-141-1/+1
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* Enhance the docstrings for unicode.split() and string.split()Walter Dörwald2004-09-141-2/+2
| | | | | to make it clear that it is possible to pass None as the separator argument to get the default "any whitespace" separator.
* SF #1022910: Conserve memory with list.pop()Raymond Hettinger2004-09-121-8/+11
| | | | | | | | | | | The list resizing scheme only downsized when more than 16 elements were removed in a single step: del a[100:120]. As a result, the list would never shrink when popping elements off one at a time. This patch makes it shrink whenever more than half of the space is unused. Also, at Tim's suggestion, renamed _new_size to new_allocated. This makes the code easier to understand.
* Typo fix: 'comparisions' is not a wordAndrew M. Kuchling2004-09-101-1/+1
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* SF patch #998993: The UTF-8 and the UTF-16 stateful decoders now supportWalter Dörwald2004-09-071-23/+57
| | | | | | | | | | | decoding incomplete input (when the input stream is temporarily exhausted). codecs.StreamReader now implements buffering, which enables proper readline support for the UTF-16 decoders. codecs.StreamReader.read() has a new argument chars which specifies the number of characters to return. codecs.StreamReader.readline() and codecs.StreamReader.readlines() have a new argument keepends. Trailing "\n"s will be stripped from the lines if keepends is false. Added C APIs PyUnicode_DecodeUTF8Stateful and PyUnicode_DecodeUTF16Stateful.
* SF patch #1020188: Use Py_CLEAR where necessary to avoid crashesRaymond Hettinger2004-09-013-14/+6
| | | | (Contributed by Dima Dorfman)
* long_pow(): Fix more instances of leaks in error cases.Tim Peters2004-08-301-3/+3
| | | | | Bugfix candidate -- although long_pow() is so different now I doubt a patch would apply to 2.3.
* SF patch 936813: fast modular exponentiationTim Peters2004-08-301-107/+185
| | | | | | | | | | | | | | | | | | | | | | | | This checkin is adapted from part 2 (of 3) of Trevor Perrin's patch set. BACKWARD INCOMPATIBILITY: SHIFT must now be divisible by 5. AFAIK, nobody will care. long_pow() could be complicated to worm around that, if necessary. long_pow(): - BUGFIX: This leaked the base and power when the power was negative (and so the computation delegated to float pow). - Instead of doing right-to-left exponentiation, do left-to-right. This is more efficient for small bases, which is the common case. - In addition, if the exponent is large (more than FIVEARY_CUTOFF digits), precompute [a**i % c for i in range(32)], and go left to right 5 bits at a time. l_divmod(): - The signature changed so that callers who don't want the quotient, or don't want the remainder, can pass NULL in the slot they don't want. This saves them from having to declare a vrbl for unwanted stuff, and remembering to decref it. long_mod(), long_div(), long_classic_div(): - Adjust to new l_divmod() signature, and simplified as a result.
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