日期时间对象 ¶

Various date and time objects are supplied by the datetime module. Before using any of these functions, the header file datetime.h must be included in your source (note that this is not included by Python.h ), and the macro PyDateTime_IMPORT must be invoked, usually as part of the module initialisation function. The macro puts a pointer to a C structure into a static variable, PyDateTimeAPI , that is used by the following macros.

Macro for access to the UTC singleton:

PyObject * PyDateTime_TimeZone_UTC ¶

Returns the time zone singleton representing UTC, the same object as datetime.timezone.utc .

3.7 版新增。

Type-check macros:

int PyDate_Check ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_DateType 或子类型的 PyDateTime_DateType . ob 不得为 NULL . This function always succeeds.

int PyDate_CheckExact ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_DateType . ob 不得为 NULL . This function always succeeds.

int PyDateTime_Check ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_DateTimeType 或子类型的 PyDateTime_DateTimeType . ob 不得为 NULL . This function always succeeds.

int PyDateTime_CheckExact ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_DateTimeType . ob 不得为 NULL . This function always succeeds.

int PyTime_Check ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_TimeType 或子类型的 PyDateTime_TimeType . ob 不得为 NULL . This function always succeeds.

int PyTime_CheckExact ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_TimeType . ob 不得为 NULL . This function always succeeds.

int PyDelta_Check ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_DeltaType 或子类型的 PyDateTime_DeltaType . ob 不得为 NULL . This function always succeeds.

int PyDelta_CheckExact ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_DeltaType . ob 不得为 NULL . This function always succeeds.

int PyTZInfo_Check ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_TZInfoType 或子类型的 PyDateTime_TZInfoType . ob 不得为 NULL . This function always succeeds.

int PyTZInfo_CheckExact ( PyObject * ob ) ¶

返回 True 若 ob 是类型 PyDateTime_TZInfoType . ob 不得为 NULL . This function always succeeds.

Macros to create objects:

PyObject * PyDate_FromDate ( int year , int month , int day ) ¶

返回值：新引用。

返回 datetime.date object with the specified year, month and day.

PyObject * PyDateTime_FromDateAndTime ( int year , int month , int day , int hour , int minute , int second , int usecond ) ¶

返回值：新引用。

返回 datetime.datetime object with the specified year, month, day, hour, minute, second and microsecond.

PyObject * PyDateTime_FromDateAndTimeAndFold ( int year , int month , int day , int hour , int minute , int second , int usecond , int fold ) ¶

返回值：新引用。

返回 datetime.datetime object with the specified year, month, day, hour, minute, second, microsecond and fold.

3.6 版新增。

PyObject * PyTime_FromTime ( int hour , int minute , int second , int usecond ) ¶

返回值：新引用。

返回 datetime.time object with the specified hour, minute, second and microsecond.

PyObject * PyTime_FromTimeAndFold ( int hour , int minute , int second , int usecond , int fold ) ¶

返回值：新引用。

返回 datetime.time object with the specified hour, minute, second, microsecond and fold.

3.6 版新增。

PyObject * PyDelta_FromDSU ( int days , int seconds , int useconds ) ¶

返回值：新引用。

返回 datetime.timedelta object representing the given number of days, seconds and microseconds. Normalization is performed so that the resulting number of microseconds and seconds lie in the ranges documented for datetime.timedelta 对象。

PyObject * PyTimeZone_FromOffset ( PyDateTime_DeltaType * offset ) ¶

返回值：新引用。

返回 datetime.timezone object with an unnamed fixed offset represented by the offset 自变量。

3.7 版新增。

PyObject * PyTimeZone_FromOffsetAndName ( PyDateTime_DeltaType * offset , PyUnicode * name ) ¶

返回值：新引用。

返回 datetime.timezone object with a fixed offset represented by the offset argument and with tzname name .

3.7 版新增。

Macros to extract fields from date objects. The argument must be an instance of PyDateTime_Date , including subclasses (such as PyDateTime_DateTime ). The argument must not be NULL , and the type is not checked:

int PyDateTime_GET_YEAR ( PyDateTime_Date * o ) ¶

Return the year, as a positive int.

int PyDateTime_GET_MONTH ( PyDateTime_Date * o ) ¶

Return the month, as an int from 1 through 12.

int PyDateTime_GET_DAY ( PyDateTime_Date * o ) ¶

Return the day, as an int from 1 through 31.

Macros to extract fields from datetime objects. The argument must be an instance of PyDateTime_DateTime , including subclasses. The argument must not be NULL , and the type is not checked:

int PyDateTime_DATE_GET_HOUR ( PyDateTime_DateTime * o ) ¶

Return the hour, as an int from 0 through 23.

int PyDateTime_DATE_GET_MINUTE ( PyDateTime_DateTime * o ) ¶

Return the minute, as an int from 0 through 59.

int PyDateTime_DATE_GET_SECOND ( PyDateTime_DateTime * o ) ¶

Return the second, as an int from 0 through 59.

int PyDateTime_DATE_GET_MICROSECOND ( PyDateTime_DateTime * o ) ¶

Return the microsecond, as an int from 0 through 999999.

int PyDateTime_DATE_GET_FOLD ( PyDateTime_DateTime * o ) ¶

Return the fold, as an int from 0 through 1.

3.6 版新增。

PyObject * PyDateTime_DATE_GET_TZINFO ( PyDateTime_DateTime * o ) ¶

Return the tzinfo (which may be None ).

3.10 版新增。

Macros to extract fields from time objects. The argument must be an instance of PyDateTime_Time , including subclasses. The argument must not be NULL , and the type is not checked:

int PyDateTime_TIME_GET_HOUR ( PyDateTime_Time * o ) ¶

Return the hour, as an int from 0 through 23.

int PyDateTime_TIME_GET_MINUTE ( PyDateTime_Time * o ) ¶

Return the minute, as an int from 0 through 59.

int PyDateTime_TIME_GET_SECOND ( PyDateTime_Time * o ) ¶

Return the second, as an int from 0 through 59.

int PyDateTime_TIME_GET_MICROSECOND ( PyDateTime_Time * o ) ¶

Return the microsecond, as an int from 0 through 999999.

int PyDateTime_TIME_GET_FOLD ( PyDateTime_Time * o ) ¶

Return the fold, as an int from 0 through 1.

3.6 版新增。

PyObject * PyDateTime_TIME_GET_TZINFO ( PyDateTime_Time * o ) ¶

Return the tzinfo (which may be None ).

3.10 版新增。

Macros to extract fields from time delta objects. The argument must be an instance of PyDateTime_Delta , including subclasses. The argument must not be NULL , and the type is not checked:

int PyDateTime_DELTA_GET_DAYS ( PyDateTime_Delta * o ) ¶

Return the number of days, as an int from -999999999 to 999999999.

3.3 版新增。

int PyDateTime_DELTA_GET_SECONDS ( PyDateTime_Delta * o ) ¶

Return the number of seconds, as an int from 0 through 86399.

3.3 版新增。

int PyDateTime_DELTA_GET_MICROSECONDS ( PyDateTime_Delta * o ) ¶

Return the number of microseconds, as an int from 0 through 999999.

3.3 版新增。

Macros for the convenience of modules implementing the DB API:

PyObject * PyDateTime_FromTimestamp ( PyObject * args ) ¶

返回值：新引用。

创建并返回新的 datetime.datetime object given an argument tuple suitable for passing to datetime.datetime.fromtimestamp() .

PyObject * PyDate_FromTimestamp ( PyObject * args ) ¶

返回值：新引用。

创建并返回新的 datetime.date object given an argument tuple suitable for passing to datetime.date.fromtimestamp() .

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