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annotate Include/classobject.h @ 49955:878d40468c4e legacy-trunk

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Issue #4384: Added logging integration with warnings module using captureWarnings(). This change includes a NullHandler which does nothing; it will be of use to library developers who want to avoid the "No handlers could be found for logger XXX" message which can appear if the library user doesn't configure logging.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Dec 2008 23:22:58 +0000
parents 65ae68c7aca3
children 7b8ba019cd15
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2 /* Class object interface */
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4 /* Revealing some structures (not for general use) */
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6 #ifndef Py_CLASSOBJECT_H
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7 #define Py_CLASSOBJECT_H
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8 #ifdef __cplusplus
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9 extern "C" {
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10 #endif
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12 typedef struct {
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13 PyObject_HEAD
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14 PyObject *cl_bases; /* A tuple of class objects */
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15 PyObject *cl_dict; /* A dictionary */
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16 PyObject *cl_name; /* A string */
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17 /* The following three are functions or NULL */
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18 PyObject *cl_getattr;
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19 PyObject *cl_setattr;
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20 PyObject *cl_delattr;
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21 } PyClassObject;
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23 typedef struct {
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24 PyObject_HEAD
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25 PyClassObject *in_class; /* The class object */
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26 PyObject *in_dict; /* A dictionary */
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27 PyObject *in_weakreflist; /* List of weak references */
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28 } PyInstanceObject;
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30 typedef struct {
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31 PyObject_HEAD
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32 PyObject *im_func; /* The callable object implementing the method */
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33 PyObject *im_self; /* The instance it is bound to, or NULL */
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34 PyObject *im_class; /* The class that asked for the method */
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35 PyObject *im_weakreflist; /* List of weak references */
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36 } PyMethodObject;
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38 PyAPI_DATA(PyTypeObject) PyClass_Type, PyInstance_Type, PyMethod_Type;
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40 #define PyClass_Check(op) ((op)->ob_type == &PyClass_Type)
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41 #define PyInstance_Check(op) ((op)->ob_type == &PyInstance_Type)
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42 #define PyMethod_Check(op) ((op)->ob_type == &PyMethod_Type)
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44 PyAPI_FUNC(PyObject *) PyClass_New(PyObject *, PyObject *, PyObject *);
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45 PyAPI_FUNC(PyObject *) PyInstance_New(PyObject *, PyObject *,
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46 PyObject *);
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47 PyAPI_FUNC(PyObject *) PyInstance_NewRaw(PyObject *, PyObject *);
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48 PyAPI_FUNC(PyObject *) PyMethod_New(PyObject *, PyObject *, PyObject *);
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50 PyAPI_FUNC(PyObject *) PyMethod_Function(PyObject *);
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51 PyAPI_FUNC(PyObject *) PyMethod_Self(PyObject *);
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52 PyAPI_FUNC(PyObject *) PyMethod_Class(PyObject *);
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54 /* Look up attribute with name (a string) on instance object pinst, using
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55 * only the instance and base class dicts. If a descriptor is found in
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56 * a class dict, the descriptor is returned without calling it.
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57 * Returns NULL if nothing found, else a borrowed reference to the
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58 * value associated with name in the dict in which name was found.
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59 * The point of this routine is that it never calls arbitrary Python
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60 * code, so is always "safe": all it does is dict lookups. The function
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61 * can't fail, never sets an exception, and NULL is not an error (it just
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62 * means "not found").
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63 */
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64 PyAPI_FUNC(PyObject *) _PyInstance_Lookup(PyObject *pinst, PyObject *name);
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66 /* Macros for direct access to these values. Type checks are *not*
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67 done, so use with care. */
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68 #define PyMethod_GET_FUNCTION(meth) \
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69 (((PyMethodObject *)meth) -> im_func)
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70 #define PyMethod_GET_SELF(meth) \
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71 (((PyMethodObject *)meth) -> im_self)
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72 #define PyMethod_GET_CLASS(meth) \
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73 (((PyMethodObject *)meth) -> im_class)
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75 PyAPI_FUNC(int) PyClass_IsSubclass(PyObject *, PyObject *);
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77 PyAPI_FUNC(int) PyMethod_ClearFreeList(void);
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79 #ifdef __cplusplus
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80 }
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81 #endif
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82 #endif /* !Py_CLASSOBJECT_H */