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/* datetime.h
*/#ifndef Py_LIMITED_API
#ifndef DATETIME_H
#define DATETIME_H
#ifdef __cplusplus
extern "C" {#endif
/* Fields are packed into successive bytes, each viewed as unsigned and
* big-endian, unless otherwise noted: * * byte offset * 0 year 2 bytes, 1-9999 * 2 month 1 byte, 1-12 * 3 day 1 byte, 1-31 * 4 hour 1 byte, 0-23 * 5 minute 1 byte, 0-59 * 6 second 1 byte, 0-59 * 7 usecond 3 bytes, 0-999999 * 10 */
/* # of bytes for year, month, and day. */#define _PyDateTime_DATE_DATASIZE 4
/* # of bytes for hour, minute, second, and usecond. */#define _PyDateTime_TIME_DATASIZE 6
/* # of bytes for year, month, day, hour, minute, second, and usecond. */#define _PyDateTime_DATETIME_DATASIZE 10
typedef struct{ PyObject_HEAD Py_hash_t hashcode; /* -1 when unknown */ int days; /* -MAX_DELTA_DAYS <= days <= MAX_DELTA_DAYS */ int seconds; /* 0 <= seconds < 24*3600 is invariant */ int microseconds; /* 0 <= microseconds < 1000000 is invariant */} PyDateTime_Delta;
typedef struct{ PyObject_HEAD /* a pure abstract base clase */} PyDateTime_TZInfo;
/* The datetime and time types have hashcodes, and an optional tzinfo member,
* present if and only if hastzinfo is true. */#define _PyTZINFO_HEAD \
PyObject_HEAD \ Py_hash_t hashcode; \ char hastzinfo; /* boolean flag */
/* No _PyDateTime_BaseTZInfo is allocated; it's just to have something
* convenient to cast to, when getting at the hastzinfo member of objects * starting with _PyTZINFO_HEAD. */typedef struct{ _PyTZINFO_HEAD} _PyDateTime_BaseTZInfo;
/* All time objects are of PyDateTime_TimeType, but that can be allocated
* in two ways, with or without a tzinfo member. Without is the same as * tzinfo == None, but consumes less memory. _PyDateTime_BaseTime is an * internal struct used to allocate the right amount of space for the * "without" case. */#define _PyDateTime_TIMEHEAD \
_PyTZINFO_HEAD \ unsigned char data[_PyDateTime_TIME_DATASIZE];
typedef struct{ _PyDateTime_TIMEHEAD} _PyDateTime_BaseTime; /* hastzinfo false */
typedef struct{ _PyDateTime_TIMEHEAD PyObject *tzinfo;} PyDateTime_Time; /* hastzinfo true */
/* All datetime objects are of PyDateTime_DateTimeType, but that can be
* allocated in two ways too, just like for time objects above. In addition, * the plain date type is a base class for datetime, so it must also have * a hastzinfo member (although it's unused there). */typedef struct{ _PyTZINFO_HEAD unsigned char data[_PyDateTime_DATE_DATASIZE];} PyDateTime_Date;
#define _PyDateTime_DATETIMEHEAD \
_PyTZINFO_HEAD \ unsigned char data[_PyDateTime_DATETIME_DATASIZE];
typedef struct{ _PyDateTime_DATETIMEHEAD} _PyDateTime_BaseDateTime; /* hastzinfo false */
typedef struct{ _PyDateTime_DATETIMEHEAD PyObject *tzinfo;} PyDateTime_DateTime; /* hastzinfo true */
/* Apply for date and datetime instances. */#define PyDateTime_GET_YEAR(o) ((((PyDateTime_Date*)o)->data[0] << 8) | \
((PyDateTime_Date*)o)->data[1])#define PyDateTime_GET_MONTH(o) (((PyDateTime_Date*)o)->data[2])
#define PyDateTime_GET_DAY(o) (((PyDateTime_Date*)o)->data[3])
#define PyDateTime_DATE_GET_HOUR(o) (((PyDateTime_DateTime*)o)->data[4])
#define PyDateTime_DATE_GET_MINUTE(o) (((PyDateTime_DateTime*)o)->data[5])
#define PyDateTime_DATE_GET_SECOND(o) (((PyDateTime_DateTime*)o)->data[6])
#define PyDateTime_DATE_GET_MICROSECOND(o) \
((((PyDateTime_DateTime*)o)->data[7] << 16) | \ (((PyDateTime_DateTime*)o)->data[8] << 8) | \ ((PyDateTime_DateTime*)o)->data[9])
/* Apply for time instances. */#define PyDateTime_TIME_GET_HOUR(o) (((PyDateTime_Time*)o)->data[0])
#define PyDateTime_TIME_GET_MINUTE(o) (((PyDateTime_Time*)o)->data[1])
#define PyDateTime_TIME_GET_SECOND(o) (((PyDateTime_Time*)o)->data[2])
#define PyDateTime_TIME_GET_MICROSECOND(o) \
((((PyDateTime_Time*)o)->data[3] << 16) | \ (((PyDateTime_Time*)o)->data[4] << 8) | \ ((PyDateTime_Time*)o)->data[5])
/* Apply for time delta instances */#define PyDateTime_DELTA_GET_DAYS(o) (((PyDateTime_Delta*)o)->days)
#define PyDateTime_DELTA_GET_SECONDS(o) (((PyDateTime_Delta*)o)->seconds)
#define PyDateTime_DELTA_GET_MICROSECONDS(o) \
(((PyDateTime_Delta*)o)->microseconds)
/* Define structure for C API. */typedef struct { /* type objects */ PyTypeObject *DateType; PyTypeObject *DateTimeType; PyTypeObject *TimeType; PyTypeObject *DeltaType; PyTypeObject *TZInfoType;
/* constructors */ PyObject *(*Date_FromDate)(int, int, int, PyTypeObject*); PyObject *(*DateTime_FromDateAndTime)(int, int, int, int, int, int, int, PyObject*, PyTypeObject*); PyObject *(*Time_FromTime)(int, int, int, int, PyObject*, PyTypeObject*); PyObject *(*Delta_FromDelta)(int, int, int, int, PyTypeObject*);
/* constructors for the DB API */ PyObject *(*DateTime_FromTimestamp)(PyObject*, PyObject*, PyObject*); PyObject *(*Date_FromTimestamp)(PyObject*, PyObject*);
} PyDateTime_CAPI;
#define PyDateTime_CAPSULE_NAME "datetime.datetime_CAPI"
#ifdef Py_BUILD_CORE
/* Macros for type checking when building the Python core. */#define PyDate_Check(op) PyObject_TypeCheck(op, &PyDateTime_DateType)
#define PyDate_CheckExact(op) (Py_TYPE(op) == &PyDateTime_DateType)
#define PyDateTime_Check(op) PyObject_TypeCheck(op, &PyDateTime_DateTimeType)
#define PyDateTime_CheckExact(op) (Py_TYPE(op) == &PyDateTime_DateTimeType)
#define PyTime_Check(op) PyObject_TypeCheck(op, &PyDateTime_TimeType)
#define PyTime_CheckExact(op) (Py_TYPE(op) == &PyDateTime_TimeType)
#define PyDelta_Check(op) PyObject_TypeCheck(op, &PyDateTime_DeltaType)
#define PyDelta_CheckExact(op) (Py_TYPE(op) == &PyDateTime_DeltaType)
#define PyTZInfo_Check(op) PyObject_TypeCheck(op, &PyDateTime_TZInfoType)
#define PyTZInfo_CheckExact(op) (Py_TYPE(op) == &PyDateTime_TZInfoType)
#else
/* Define global variable for the C API and a macro for setting it. */static PyDateTime_CAPI *PyDateTimeAPI = NULL;
#define PyDateTime_IMPORT \
PyDateTimeAPI = (PyDateTime_CAPI *)PyCapsule_Import(PyDateTime_CAPSULE_NAME, 0)
/* Macros for type checking when not building the Python core. */#define PyDate_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->DateType)
#define PyDate_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->DateType)
#define PyDateTime_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->DateTimeType)
#define PyDateTime_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->DateTimeType)
#define PyTime_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->TimeType)
#define PyTime_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->TimeType)
#define PyDelta_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->DeltaType)
#define PyDelta_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->DeltaType)
#define PyTZInfo_Check(op) PyObject_TypeCheck(op, PyDateTimeAPI->TZInfoType)
#define PyTZInfo_CheckExact(op) (Py_TYPE(op) == PyDateTimeAPI->TZInfoType)
/* Macros for accessing constructors in a simplified fashion. */#define PyDate_FromDate(year, month, day) \
PyDateTimeAPI->Date_FromDate(year, month, day, PyDateTimeAPI->DateType)
#define PyDateTime_FromDateAndTime(year, month, day, hour, min, sec, usec) \
PyDateTimeAPI->DateTime_FromDateAndTime(year, month, day, hour, \ min, sec, usec, Py_None, PyDateTimeAPI->DateTimeType)
#define PyTime_FromTime(hour, minute, second, usecond) \
PyDateTimeAPI->Time_FromTime(hour, minute, second, usecond, \ Py_None, PyDateTimeAPI->TimeType)
#define PyDelta_FromDSU(days, seconds, useconds) \
PyDateTimeAPI->Delta_FromDelta(days, seconds, useconds, 1, \ PyDateTimeAPI->DeltaType)
/* Macros supporting the DB API. */#define PyDateTime_FromTimestamp(args) \
PyDateTimeAPI->DateTime_FromTimestamp( \ (PyObject*) (PyDateTimeAPI->DateTimeType), args, NULL)
#define PyDate_FromTimestamp(args) \
PyDateTimeAPI->Date_FromTimestamp( \ (PyObject*) (PyDateTimeAPI->DateType), args)
#endif /* Py_BUILD_CORE */
#ifdef __cplusplus
}#endif
#endif
#endif /* !Py_LIMITED_API */
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