10 /* Fields are packed into successive bytes, each viewed as unsigned and
11 * big-endian, unless otherwise noted:
14 * 0 year 2 bytes, 1-9999
15 * 2 month 1 byte, 1-12
18 * 5 minute 1 byte, 0-59
19 * 6 second 1 byte, 0-59
20 * 7 usecond 3 bytes, 0-999999
24 /* # of bytes for year, month, and day. */
25 #define _PyDateTime_DATE_DATASIZE 4
27 /* # of bytes for hour, minute, second, and usecond. */
28 #define _PyDateTime_TIME_DATASIZE 6
30 /* # of bytes for year, month, day, hour, minute, second, and usecond. */
31 #define _PyDateTime_DATETIME_DATASIZE 10
37 long hashcode
; /* -1 when unknown */
38 int days
; /* -MAX_DELTA_DAYS <= days <= MAX_DELTA_DAYS */
39 int seconds
; /* 0 <= seconds < 24*3600 is invariant */
40 int microseconds
; /* 0 <= microseconds < 1000000 is invariant */
45 PyObject_HEAD
/* a pure abstract base clase */
49 /* The datetime and time types have hashcodes, and an optional tzinfo member,
50 * present if and only if hastzinfo is true.
52 #define _PyTZINFO_HEAD \
55 char hastzinfo; /* boolean flag */
57 /* No _PyDateTime_BaseTZInfo is allocated; it's just to have something
58 * convenient to cast to, when getting at the hastzinfo member of objects
59 * starting with _PyTZINFO_HEAD.
64 } _PyDateTime_BaseTZInfo
;
66 /* All time objects are of PyDateTime_TimeType, but that can be allocated
67 * in two ways, with or without a tzinfo member. Without is the same as
68 * tzinfo == None, but consumes less memory. _PyDateTime_BaseTime is an
69 * internal struct used to allocate the right amount of space for the
72 #define _PyDateTime_TIMEHEAD \
74 unsigned char data[_PyDateTime_TIME_DATASIZE];
79 } _PyDateTime_BaseTime
; /* hastzinfo false */
85 } PyDateTime_Time
; /* hastzinfo true */
88 /* All datetime objects are of PyDateTime_DateTimeType, but that can be
89 * allocated in two ways too, just like for time objects above. In addition,
90 * the plain date type is a base class for datetime, so it must also have
91 * a hastzinfo member (although it's unused there).
96 unsigned char data
[_PyDateTime_DATE_DATASIZE
];
99 #define _PyDateTime_DATETIMEHEAD \
101 unsigned char data[_PyDateTime_DATETIME_DATASIZE];
105 _PyDateTime_DATETIMEHEAD
106 } _PyDateTime_BaseDateTime
; /* hastzinfo false */
110 _PyDateTime_DATETIMEHEAD
112 } PyDateTime_DateTime
; /* hastzinfo true */
115 /* Apply for date and datetime instances. */
116 #define PyDateTime_GET_YEAR(o) ((((PyDateTime_Date*)o)->data[0] << 8) | \
117 ((PyDateTime_Date*)o)->data[1])
118 #define PyDateTime_GET_MONTH(o) (((PyDateTime_Date*)o)->data[2])
119 #define PyDateTime_GET_DAY(o) (((PyDateTime_Date*)o)->data[3])
121 #define PyDateTime_DATE_GET_HOUR(o) (((PyDateTime_DateTime*)o)->data[4])
122 #define PyDateTime_DATE_GET_MINUTE(o) (((PyDateTime_DateTime*)o)->data[5])
123 #define PyDateTime_DATE_GET_SECOND(o) (((PyDateTime_DateTime*)o)->data[6])
124 #define PyDateTime_DATE_GET_MICROSECOND(o) \
125 ((((PyDateTime_DateTime*)o)->data[7] << 16) | \
126 (((PyDateTime_DateTime*)o)->data[8] << 8) | \
127 ((PyDateTime_DateTime*)o)->data[9])
129 /* Apply for time instances. */
130 #define PyDateTime_TIME_GET_HOUR(o) (((PyDateTime_Time*)o)->data[0])
131 #define PyDateTime_TIME_GET_MINUTE(o) (((PyDateTime_Time*)o)->data[1])
132 #define PyDateTime_TIME_GET_SECOND(o) (((PyDateTime_Time*)o)->data[2])
133 #define PyDateTime_TIME_GET_MICROSECOND(o) \
134 ((((PyDateTime_Time*)o)->data[3] << 16) | \
135 (((PyDateTime_Time*)o)->data[4] << 8) | \
136 ((PyDateTime_Time*)o)->data[5])
139 /* Define structure for C API. */
142 PyTypeObject
*DateType
;
143 PyTypeObject
*DateTimeType
;
144 PyTypeObject
*TimeType
;
145 PyTypeObject
*DeltaType
;
146 PyTypeObject
*TZInfoType
;
149 PyObject
*(*Date_FromDate
)(int, int, int, PyTypeObject
*);
150 PyObject
*(*DateTime_FromDateAndTime
)(int, int, int, int, int, int, int,
151 PyObject
*, PyTypeObject
*);
152 PyObject
*(*Time_FromTime
)(int, int, int, int, PyObject
*, PyTypeObject
*);
153 PyObject
*(*Delta_FromDelta
)(int, int, int, int, PyTypeObject
*);
155 /* constructors for the DB API */
156 PyObject
*(*DateTime_FromTimestamp
)(PyObject
*, PyObject
*, PyObject
*);
157 PyObject
*(*Date_FromTimestamp
)(PyObject
*, PyObject
*);
161 #define PyDateTime_CAPSULE_NAME "datetime.datetime_CAPI"
166 /* Macros for type checking when building the Python core. */
167 #define PyDate_Check(op) PyObject_TypeCheck(op, &PyDateTime_DateType)
168 #define PyDate_CheckExact(op) (Py_TYPE(op) == &PyDateTime_DateType)
170 #define PyDateTime_Check(op) PyObject_TypeCheck(op, &PyDateTime_DateTimeType)
171 #define PyDateTime_CheckExact(op) (Py_TYPE(op) == &PyDateTime_DateTimeType)
173 #define PyTime_Check(op) PyObject_TypeCheck(op, &PyDateTime_TimeType)
174 #define PyTime_CheckExact(op) (Py_TYPE(op) == &PyDateTime_TimeType)
176 #define PyDelta_Check(op) PyObject_TypeCheck(op, &PyDateTime_DeltaType)
177 #define PyDelta_CheckExact(op) (Py_TYPE(op) == &PyDateTime_DeltaType)
179 #define PyTZInfo_Check(op) PyObject_TypeCheck(op, &PyDateTime_TZInfoType)
180 #define PyTZInfo_CheckExact(op) (Py_TYPE(op) == &PyDateTime_TZInfoType)
184 /* Define global variable for the C API and a macro for setting it. */
185 static PyDateTime_CAPI
*PyDateTimeAPI
;
187 #define PyDateTime_IMPORT \
188 PyDateTimeAPI = (PyDateTime_CAPI *)PyCapsule_Import(PyDateTime_CAPSULE_NAME, 0)
190 /* Macros for type checking when not building the Python core. */
191 #define PyDate_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->DateType)
192 #define PyDate_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->DateType)
194 #define PyDateTime_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->DateTimeType)
195 #define PyDateTime_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->DateTimeType)
197 #define PyTime_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->TimeType)
198 #define PyTime_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->TimeType)
200 #define PyDelta_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->DeltaType)
201 #define PyDelta_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->DeltaType)
203 #define PyTZInfo_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->TZInfoType)
204 #define PyTZInfo_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->TZInfoType)
206 /* Macros for accessing constructors in a simplified fashion. */
207 #define PyDate_FromDate(year, month, day) \
208 PyDateTimeAPI->Date_FromDate(year, month, day, PyDateTimeAPI->DateType)
210 #define PyDateTime_FromDateAndTime(year, month, day, hour, min, sec, usec) \
211 PyDateTimeAPI->DateTime_FromDateAndTime(year, month, day, hour, \
212 min, sec, usec, Py_None, PyDateTimeAPI->DateTimeType)
214 #define PyTime_FromTime(hour, minute, second, usecond) \
215 PyDateTimeAPI->Time_FromTime(hour, minute, second, usecond, \
216 Py_None, PyDateTimeAPI->TimeType)
218 #define PyDelta_FromDSU(days, seconds, useconds) \
219 PyDateTimeAPI->Delta_FromDelta(days, seconds, useconds, 1, \
220 PyDateTimeAPI->DeltaType)
222 /* Macros supporting the DB API. */
223 #define PyDateTime_FromTimestamp(args) \
224 PyDateTimeAPI->DateTime_FromTimestamp( \
225 (PyObject*) (PyDateTimeAPI->DateTimeType), args, NULL)
227 #define PyDate_FromTimestamp(args) \
228 PyDateTimeAPI->Date_FromTimestamp( \
229 (PyObject*) (PyDateTimeAPI->DateType), args)
231 #endif /* Py_BUILD_CORE */