diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2015-02-15 02:46:14 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2015-02-15 06:02:08 +0300 |
| commit | fa2f7c69acc55fd1fe3db0610ad319d08d77d79e (patch) | |
| tree | 004780e19ea70ec8ee5eb6b26cde8ace90558a70 /source/blender/python/mathutils/mathutils_Vector.c | |
| parent | a9d979c8ef2b6de25c1953da341dd5e207416540 (diff) | |
mathutils: Implement __hash__() functions
- all mathutils types
- only works on frozen data (so vectors can be used in sets/dict keys)
- uses same method as CPython, (matches hashing a tuple)
D1104 by @juicyfruit with own modifications
Diffstat (limited to 'source/blender/python/mathutils/mathutils_Vector.c')
| -rw-r--r-- | source/blender/python/mathutils/mathutils_Vector.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/source/blender/python/mathutils/mathutils_Vector.c b/source/blender/python/mathutils/mathutils_Vector.c index 91090e53e08..06d9a5c80dc 100644 --- a/source/blender/python/mathutils/mathutils_Vector.c +++ b/source/blender/python/mathutils/mathutils_Vector.c @@ -2051,6 +2051,17 @@ static PyObject *Vector_richcmpr(PyObject *objectA, PyObject *objectB, int compa } } +static Py_hash_t Vector_hash(VectorObject *self) +{ + if (BaseMath_ReadCallback(self) == -1) + return -1; + + if (BaseMathObject_Prepare_ForHash(self) == -1) + return -1; + + return mathutils_array_hash(self->vec, self->size); +} + /*-----------------PROTCOL DECLARATIONS--------------------------*/ static PySequenceMethods Vector_SeqMethods = { (lenfunc) Vector_len, /* sq_length */ @@ -2927,7 +2938,7 @@ PyTypeObject vector_Type = { /* More standard operations (here for binary compatibility) */ - NULL, /* hashfunc tp_hash; */ + (hashfunc)Vector_hash, /* hashfunc tp_hash; */ NULL, /* ternaryfunc tp_call; */ #ifndef MATH_STANDALONE (reprfunc)Vector_str, /* reprfunc tp_str; */ |