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* Issue #4688: Add a heuristic so that tuples and dicts containing onlyAntoine Pitrou2009-03-231-0/+1
| | | | | | | | | untrackable objects are not tracked by the garbage collector. This can reduce the size of collections and therefore the garbage collection overhead on long-running programs, depending on their particular use of datatypes. (trivia: this makes the "binary_trees" benchmark from the Computer Language Shootout 40% faster)
* Implemented Martin's suggestion to clear the free lists during the garbage ↵Christian Heimes2008-02-141-0/+2
| | | | collection of the highest generation.
* #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and ↵Christian Heimes2007-12-191-3/+3
| | | | Py_REFCNT. Macros for b/w compatibility are available.
* PEP 3123: Provide forward compatibility with Python 3.0, while keepingMartin v. Löwis2007-07-211-3/+3
| | | | | backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and PyVarObject_HEAD_INIT.
* Variation of patch # 1624059 to speed up checking if an object is a subclassNeal Norwitz2007-02-251-1/+2
| | | | | | | | | | | | | | | | | | of some of the common builtin types. Use a bit in tp_flags for each common builtin type. Check the bit to determine if any instance is a subclass of these common types. The check avoids a function call and O(n) search of the base classes. The check is done in the various Py*_Check macros rather than calling PyType_IsSubtype(). All the bits are set in tp_flags when the type is declared in the Objects/*object.c files because PyType_Ready() is not called for all the types. Should PyType_Ready() be called for all types? If so and the change is made, the changes to the Objects/*object.c files can be reverted (remove setting the tp_flags). Objects/typeobject.c would also have to be modified to add conditions for Py*_CheckExact() in addition to each the PyType_IsSubtype check.
* Merge ssize_t branch.Martin v. Löwis2006-02-151-7/+7
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* Wrote down the invariants of some common objects whose structure isArmin Rigo2004-10-281-3/+10
| | | | | | | | | | 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.
* Extended tuple's C API to include a new function, PyTuple_Pack() that isRaymond Hettinger2003-10-121-0/+1
| | | | | useful for rapidly building argument tuples without having to invoke the more sophisticated machinery of Py_BuildValue().
* Excise DL_EXPORT from Include.Mark Hammond2002-08-121-7/+7
| | | | Thanks to Skip Montanaro and Kalle Svensson for the patches.
* More on SF bug [#460020] bug or feature: unicode() and subclasses.Tim Peters2001-09-101-0/+1
| | | | | | | | tuple(i) repaired to return a true tuple when i is an instance of a tuple subclass. Added PyTuple_CheckExact macro. PySequence_Tuple(): if a tuple-like object isn't exactly a tuple, it's not safe to return the object as-is -- make a new tuple of it instead.
* Make the Py<type>_Check() macro use PyObject_TypeCheck().Guido van Rossum2001-08-301-1/+1
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* Cruft cleanup: Removed the unused last_is_sticky argument from the internalTim Peters2001-05-281-1/+1
| | | | _PyTuple_Resize().
* REMOVED all CWI, CNRI and BeOpen copyright markings.Guido van Rossum2000-09-011-9/+0
| | | | This should match the situation in the 1.6b1 tree.
* ANSI-fication and Py_PROTO extermination.Fred Drake2000-07-091-14/+14
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* Change copyright notice - 2nd try.Guido van Rossum2000-06-301-6/+0
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* Change copyright notice.Guido van Rossum2000-06-301-21/+6
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* Got rid of silly "123456789-..." lines in comments.Guido van Rossum2000-03-011-2/+0
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* Add DL_IMPORT(returntype) for all officially exported functions.Guido van Rossum1998-12-041-6/+6
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* added PyTuple_GET_SIZE macroBarry Warsaw1997-01-061-0/+1
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* New permission notice, includes CNRI.Guido van Rossum1996-10-251-13/+20
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* DL_IMPORT needs an argument.Sjoerd Mullender1995-04-251-1/+1
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* DL_IMPORT macro was called in a funny way (and MW barfed on it)Jack Jansen1995-04-231-1/+1
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* addet SETTUPLEITEM and added cast to GETTUPLEITEMGuido van Rossum1995-03-091-1/+4
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* make the type a parameter of the DL_IMPORT macro, for Borland CGuido van Rossum1995-02-271-1/+1
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* new names for lots of new functionsGuido van Rossum1995-01-171-1/+1
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* The great renaming, phase two: all header files have been updated toGuido van Rossum1995-01-121-14/+14
| | | | | | | use the new names exclusively, and the linker will see the new names. Files that import "Python.h" also only see the new names. Files that import "allobjects.h" will continue to be able to use the old names, due to the inclusion (in allobjects.h) of "rename2.h".
* Added 1995 copyright.Guido van Rossum1995-01-041-2/+2
| | | | | | object.h: made sizes and refcnts signed ints. stringobject.h: make getstrsize() signed int. methodobject.h: add METH_VARARGS and METH_FREENAME flag bit definitions.
* Changes for dynamic linking under NTGuido van Rossum1994-08-181-1/+1
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* Merge alpha100 branch back to main trunkGuido van Rossum1994-08-011-1/+1
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* Fixed bugs in resizetuple and extended the interface.Sjoerd Mullender1993-11-011-1/+1
| | | | | Added ifdefs in stringobject.c for shared strings of length 1. Renamed free_list in tupleobject.c to free_tuples.
* * compile.[ch]: support for lambda()Guido van Rossum1993-10-261-0/+1
| | | | | | | | | | * PROTO.h, mymalloc.h: added #ifdefs for TURBOC and GNUC. * allobjects.h: added #include "rangeobject.h" * Grammar: added lambda_input; relaxed syntax for exec. * bltinmodule.c: added bagof, map, reduce, lambda, xrange. * tupleobject.[ch]: added resizetuple(). * rangeobject.[ch]: new object type to speed up range operations (not convinced this is needed!!!)
* * Added support for X11 modules.Guido van Rossum1993-07-281-0/+11
| | | | | | | * Makefile: change location of FORMS library. * posixmodule.c: turn #if 0 into #ifdef MSDOS (stuff in unistd.h or not) * Almost all .h files: added CPP magic to avoid duplicate inclusions and to support inclusion from C++.
* * Changed all copyright messages to include 1993.Guido van Rossum1993-03-291-2/+2
| | | | | | | | | | | | | | | | | * Stubs for faster implementation of local variables (not yet finished) * Added function name to code object. Print it for code and function objects. THIS MAKES THE .PYC FILE FORMAT INCOMPATIBLE (the version number has changed accordingly) * Print address of self for built-in methods * New internal functions getattro and setattro (getattr/setattr with string object arg) * Replaced "dictobject" with more powerful "mappingobject" * New per-type functio tp_hash to implement arbitrary object hashing, and hashobject() to interface to it * Added built-in functions hash(v) and hasattr(v, 'name') * classobject: made some functions static that accidentally weren't; added __hash__ special instance method to implement hash() * Added proper comparison for built-in methods and functions
* Copyright for 1992 addedGuido van Rossum1992-04-051-1/+1
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* New function gettupleslice(v, i, j).Guido van Rossum1992-01-141-0/+1
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* Added copyright notice.Guido van Rossum1991-02-191-0/+24
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* "Compiling" versionGuido van Rossum1990-12-201-0/+8
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* Initial revisionGuido van Rossum1990-10-141-0/+24
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