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* Restructure comparison dramatically. There is no longer a defaultGuido van Rossum2006-08-241-11/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | *ordering* between objects; there is only a default equality test (defined by an object being equal to itself only). Read the comment in object.c. The current implementation never uses a three-way comparison to compute a rich comparison, but it does use a rich comparison to compute a three-way comparison. I'm not quite done ripping out all the calls to PyObject_Compare/Cmp, or replacing tp_compare implementations with tp_richcompare implementations; but much of that has happened (to make most unit tests pass). The following tests still fail, because I need help deciding or understanding: test_codeop -- depends on comparing code objects test_datetime -- need Tim Peters' opinion test_marshal -- depends on comparing code objects test_mutants -- need help understanding it The problem with test_codeop and test_marshal is this: these tests compare two different code objects and expect them to be equal. Is that still a feature we'd like to support? I've temporarily removed the comparison and hash code from code objects, so they use the default (equality by pointer only) comparison. For the other two tests, run them to see for yourself. (There may be more failing test with "-u all".) A general problem with getting lots of these tests to pass is the reality that for object types that have a natural total ordering, implementing __cmp__ is much more convenient than implementing __eq__, __ne__, __lt__, and so on. Should we go back to allowing __cmp__ to provide a total ordering? Should we provide some other way to implement rich comparison with a single method override? Alex proposed a __key__() method; I've considered a __richcmp__() method. Or perhaps __cmp__() just shouldn't be killed off...
* Merge p3yk branch with the trunk up to revision 45595. This breaks a fairThomas Wouters2006-04-211-11/+2
| | | | | | | | | | | | | | | | | | | | number of tests, all because of the codecs/_multibytecodecs issue described here (it's not a Py3K issue, just something Py3K discovers): http://mail.python.org/pipermail/python-dev/2006-April/064051.html Hye-Shik Chang promised to look for a fix, so no need to fix it here. The tests that are expected to break are: test_codecencodings_cn test_codecencodings_hk test_codecencodings_jp test_codecencodings_kr test_codecencodings_tw test_codecs test_multibytecodec This merge fixes an actual test failure (test_weakref) in this branch, though, so I believe merging is the right thing to do anyway.
* Use Py_ssize_t for counts and sizes.Martin v. Löwis2006-02-161-3/+3
| | | | Convert Py_ssize_t using PyInt_FromSsize_t
* Merge ssize_t branch.Martin v. Löwis2006-02-151-3/+3
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* Add const to several API functions that take char *.Jeremy Hylton2005-12-101-4/+4
| | | | | | | | | | | | | | | | | | | In C++, it's an error to pass a string literal to a char* function without a const_cast(). Rather than require every C++ extension module to put a cast around string literals, fix the API to state the const-ness. I focused on parts of the API where people usually pass literals: PyArg_ParseTuple() and friends, Py_BuildValue(), PyMethodDef, the type slots, etc. Predictably, there were a large set of functions that needed to be fixed as a result of these changes. The most pervasive change was to make the keyword args list passed to PyArg_ParseTupleAndKewords() to be a const char *kwlist[]. One cast was required as a result of the changes: A type object mallocs the memory for its tp_doc slot and later frees it. PyTypeObject says that tp_doc is const char *; but if the type was created by type_new(), we know it is safe to cast to char *.
* * Added a new method flag, METH_COEXIST.Raymond Hettinger2003-12-131-1/+1
| | | | | * Used the flag to optimize set.__contains__(), dict.__contains__(), dict.__getitem__(), and list.__getitem__().
* Make __module__ writable except in restricted mode (like for classic classes).Guido van Rossum2003-02-181-1/+1
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* Make __module__ settable on functions and methods.Jeremy Hylton2003-02-181-1/+1
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* Provide __module__ attributes for functions defined in C and Python.Jeremy Hylton2003-01-311-6/+40
| | | | | | | | | | | | | | __module__ is the string name of the module the function was defined in, just like __module__ of classes. In some cases, particularly for C functions, the __module__ may be None. Change PyCFunction_New() from a function to a macro, but keep an unused copy of the function around so that we don't change the binary API. Change pickle's save_global() to use whichmodule() if __module__ is None, but add the __module__ logic to whichmodule() since it might be used outside of pickle.
* PyCFunction_Call(): Combined two switch cases w/ identical bodies.Tim Peters2003-01-051-4/+2
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* SF Patch #661440: Refactor and streamline PyCFunction_CallRaymond Hettinger2003-01-041-31/+41
| | | | | | | | | | | | | | Refactor code in PyCFunction_Call giving a modest (tiny) speed boost, a slight improvement in semantics (now detects invalid flag combinations), and (arguably) improved clarity (making it blindingly clear which flag combinations are allowed). All this comes at a cost of a few lines of code duplication. * Folded test for METH_KEYWORDS into the switch/case. * Deferred testing for an empty dictionary until when and where needed. * Make a similar deferral for filling the "size" variable. * Inverted the dictionary test so that the common case falls though instead of making a jump.
* Introduce two new flag bits that can be set in a PyMethodDef methodFred Drake2002-03-281-1/+1
| | | | | | | | | | | | | | | | | | | descriptor, as used for the tp_methods slot of a type. These new flag bits are both optional, and mutually exclusive. Most methods will not use either. These flags are used to create special method types which exist in the same namespace as normal methods without having to use tedious construction code to insert the new special method objects in the type's tp_dict after PyType_Ready() has been called. If METH_CLASS is specified, the method will represent a class method like that returned by the classmethod() built-in. If METH_STATIC is specified, the method will represent a static method like that returned by the staticmethod() built-in. These flags may not be used in the PyMethodDef table for modules since these special method types are not meaningful in that case; a ValueError will be raised if these flags are found in that context.
* Re-enable GC of method objects.Neil Schemenauer2002-03-181-7/+6
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* Add optional docstrings to getset descriptors. Fortunately, there'sGuido van Rossum2001-09-201-1/+1
| | | | | | | | | | no backwards compatibility to worry about, so I just pushed the 'closure' struct member to the back -- it's never used in the current code base (I may eliminate it, but that's more work because the getter and setter signatures would have to change.) As examples, I added actual docstrings to the getset attributes of a few types: file.closed, xxsubtype.spamdict.state.
* Removed some unreachable break statements to silence SGI compiler.Sjoerd Mullender2001-08-301-3/+0
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* repr's converted to using PyString_FromFormat() instead of sprintf'ingBarry Warsaw2001-08-241-8/+6
| | | | | | into a hardcoded char* buffer. Closes patch #454743.
* Patch #427190: Implement and use METH_NOARGS and METH_O.Martin v. Löwis2001-08-161-7/+26
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* Remove much dead code from ceval.cJeremy Hylton2001-08-121-35/+35
| | | | | | | | | | | | | | The descr changes moved the dispatch for calling objects from call_object() in ceval.c to PyObject_Call() in abstract.c. call_object() and the many functions it used in ceval.c were no longer used, but were not removed. Rename meth_call() as PyCFunction_Call() so that it can be called by the CALL_FUNCTION opcode in ceval.c. Also, fix error message that referred to PyEval_EvalCodeEx() by its old name eval_code2(). (I'll probably refer to it by its old name, too.)
* Merge of descr-branch back into trunk.Tim Peters2001-08-021-34/+83
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* GC for method objects.Neil Schemenauer2001-07-121-11/+31
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* 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 of the sources.Fred Drake2000-07-091-31/+13
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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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* Fix an error on AIX by using a proper cast.Guido van Rossum2000-06-301-1/+1
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* Trent Mick <trentm@activestate.com>:Fred Drake2000-06-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | The common technique for printing out a pointer has been to cast to a long and use the "%lx" printf modifier. This is incorrect on Win64 where casting to a long truncates the pointer. The "%p" formatter should be used instead. The problem as stated by Tim: > Unfortunately, the C committee refused to define what %p conversion "looks > like" -- they explicitly allowed it to be implementation-defined. Older > versions of Microsoft C even stuck a colon in the middle of the address (in > the days of segment+offset addressing)! The result is that the hex value of a pointer will maybe/maybe not have a 0x prepended to it. Notes on the patch: There are two main classes of changes: - in the various repr() functions that print out pointers - debugging printf's in the various thread_*.h files (these are why the patch is large) Closes SourceForge patch #100505.
* This patch addresses two main issues: (1) There exist some non-fatalFred Drake2000-06-291-2/+8
| | | | | | | | | | | | | | | | | | | | errors in some of the hash algorithms. For exmaple, in float_hash and complex_hash a certain part of the value is not included in the hash calculation. See Tim's, Guido's, and my discussion of this on python-dev in May under the title "fix float_hash and complex_hash for 64-bit *nix" (2) The hash algorithms that use pointers (e.g. func_hash, code_hash) are universally not correct on Win64 (they assume that sizeof(long) == sizeof(void*)) As well, this patch significantly cleans up the hash code. It adds the two function _Py_HashDouble and _PyHash_VoidPtr that the various hashing routine are changed to use. These help maintain the hash function invariant: (a==b) => (hash(a)==hash(b))) I have added Lib/test/test_hash.py and Lib/test/output/test_hash to test this for some cases.
* Vladimir Marangozov's long-awaited malloc restructuring.Guido van Rossum2000-05-031-3/+2
| | | | | | | | | | For more comments, read the patches@python.org archives. For documentation read the comments in mymalloc.h and objimpl.h. (This is not exactly what Vladimir posted to the patches list; I've made a few changes, and Vladimir sent me a fix in private email for a problem that only occurs in debug mode. I'm also holding back on his change to main.c, which seems unnecessary to me.)
* The rest of the changes by Trent Mick and Dale Nagata for warning-freeGuido van Rossum2000-01-201-1/+1
| | | | compilation on NT Alpha. Mostly added casts etc.
* When comparing bound methods, use identity test on the objects,Guido van Rossum1998-12-041-1/+1
| | | | not equality test.
* Marc-Andre Lemburg's patch to move the typedef for PyCFunctionObjectGuido van Rossum1998-07-101-6/+0
| | | | to the .h file and add macros there for inlined access to the fields.
* New feature: if the object's type has a non-NULL tp_doc field, thatGuido van Rossum1998-06-271-2/+9
| | | | | | is returned as the object's __doc__ attribute. (If only the list of methods would be referenced from the type...)
* Added separate free list for cfunction (builtin method) objects, for aGuido van Rossum1997-08-051-7/+30
| | | | few percent speed up. Also add PyCFunction_Fini() to discard it.
* Quickly renamed the last directory.Guido van Rossum1997-05-021-77/+79
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* New permission notice, includes CNRI.Guido van Rossum1996-10-251-12/+19
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* changes for keyword args to built-in functions and classesGuido van Rossum1995-07-261-2/+2
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* added findmethodinchain and methodchain data typesGuido van Rossum1995-01-261-23/+50
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* add restrictions in restricted modeGuido van Rossum1995-01-101-1/+7
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* * Objects/methodobject.c: changed drastically, the object nowGuido van Rossum1995-01-071-27/+44
| | | | | contains a pointer to the struct methodlist (which must be static); added attributes __name__, __doc__ and __self__
* Added 1995 to copyright message.Guido van Rossum1995-01-041-10/+13
| | | | | floatobject.c: fix hash(). methodobject.c: support METH_FREENAME flag bit.
* Lots of minor changes. Note for mappingobject.c: the hash table pointerGuido van Rossum1995-01-021-1/+1
| | | | can now be NULL.
* Merge back to main trunkGuido van Rossum1994-08-301-5/+5
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* * ceval.c, longobject.c, methodobject.c, listnode.c, arraymodule.c,Guido van Rossum1993-11-011-1/+1
| | | | | | pythonrun.c: added static forward declarations * pythonrun.h, ceval.h, longobject.h, node.h: removed declarations of static routines
* * Lots of small changes related to access.Guido van Rossum1993-05-211-2/+2
| | | | | | | * Added "access *: ...", made access work for class methods. * Introduced subclass check: make sure that when calling ClassName.methodname(instance, ...), the instance is an instance of ClassName or of a subclass thereof (this might break some old code!)
* * Changed all copyright messages to include 1993.Guido van Rossum1993-03-291-5/+36
| | | | | | | | | | | | | | | | | * 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
* * Makefile: added IMGFILE; moved some stuff around.Guido van Rossum1992-09-171-17/+2
| | | | | | | | * flmodule.c: added some missing functions; changed readonly flags of some data members based upon FORMS documentation. * listobject.c: fixed int/long arg lint bug (bites PC compilers). * several: removed redundant print methods (repr is good enough). * posixmodule.c: added (still experimental) process group functions.
* Copyright for 1992 addedGuido van Rossum1992-04-051-1/+1
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* LintGuido van Rossum1992-03-271-1/+2
| | | | ./
* Add "varargs" attribute.Guido van Rossum1991-12-161-5/+20
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* Use AttributeError.Guido van Rossum1991-12-101-1/+1
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