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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 class */
- } 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
- unsigned char fold;
- 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
- unsigned char fold;
- 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])
- #define PyDateTime_DATE_GET_FOLD(o) (((PyDateTime_DateTime*)o)->fold)
- /* 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])
- #define PyDateTime_TIME_GET_FOLD(o) (((PyDateTime_Time*)o)->fold)
- /* 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;
- /* singletons */
- PyObject *TimeZone_UTC;
- /* 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*);
- PyObject *(*TimeZone_FromTimeZone)(PyObject *offset, PyObject *name);
- /* constructors for the DB API */
- PyObject *(*DateTime_FromTimestamp)(PyObject*, PyObject*, PyObject*);
- PyObject *(*Date_FromTimestamp)(PyObject*, PyObject*);
- /* PEP 495 constructors */
- PyObject *(*DateTime_FromDateAndTimeAndFold)(int, int, int, int, int, int, int,
- PyObject*, int, PyTypeObject*);
- PyObject *(*Time_FromTimeAndFold)(int, int, int, int, PyObject*, int, PyTypeObject*);
- } PyDateTime_CAPI;
- #define PyDateTime_CAPSULE_NAME "datetime.datetime_CAPI"
- /* This block is only used as part of the public API and should not be
- * included in _datetimemodule.c, which does not use the C API capsule.
- * See bpo-35081 for more details.
- * */
- #ifndef _PY_DATETIME_IMPL
- /* 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)
- /* Macro for access to the UTC singleton */
- #define PyDateTime_TimeZone_UTC PyDateTimeAPI->TimeZone_UTC
- /* 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 PyDateTime_FromDateAndTimeAndFold(year, month, day, hour, min, sec, usec, fold) \
- PyDateTimeAPI->DateTime_FromDateAndTimeAndFold(year, month, day, hour, \
- min, sec, usec, Py_None, fold, PyDateTimeAPI->DateTimeType)
- #define PyTime_FromTime(hour, minute, second, usecond) \
- PyDateTimeAPI->Time_FromTime(hour, minute, second, usecond, \
- Py_None, PyDateTimeAPI->TimeType)
- #define PyTime_FromTimeAndFold(hour, minute, second, usecond, fold) \
- PyDateTimeAPI->Time_FromTimeAndFold(hour, minute, second, usecond, \
- Py_None, fold, PyDateTimeAPI->TimeType)
- #define PyDelta_FromDSU(days, seconds, useconds) \
- PyDateTimeAPI->Delta_FromDelta(days, seconds, useconds, 1, \
- PyDateTimeAPI->DeltaType)
- #define PyTimeZone_FromOffset(offset) \
- PyDateTimeAPI->TimeZone_FromTimeZone(offset, NULL)
- #define PyTimeZone_FromOffsetAndName(offset, name) \
- PyDateTimeAPI->TimeZone_FromTimeZone(offset, name)
- /* 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 /* !defined(_PY_DATETIME_IMPL) */
- #ifdef __cplusplus
- }
- #endif
- #endif
- #endif /* !Py_LIMITED_API */
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