Adding cython v0.20.2 in third-party.

third_party/cython/src/Cython/Includes/cpython/datetime.pxd

+from cpython.ref cimport PyObject
+
+cdef extern from "Python.h":
+    ctypedef struct PyTypeObject:
+        pass
+
+cdef extern from "datetime.h":
+    
+    ctypedef extern class datetime.date[object PyDateTime_Date]:
+        pass
+
+    ctypedef extern class datetime.time[object PyDateTime_Time]:
+        pass
+
+    ctypedef extern class datetime.datetime[object PyDateTime_DateTime]:
+        pass
+
+    ctypedef extern class datetime.timedelta[object PyDateTime_Delta]:
+        pass
+
+    ctypedef extern class datetime.tzinfo[object PyDateTime_TZInfo]:
+        pass
+
+    ctypedef struct PyDateTime_Date:
+        pass
+    
+    ctypedef struct PyDateTime_Time:
+        char hastzinfo
+        PyObject *tzinfo
+        
+    ctypedef struct PyDateTime_DateTime:
+        char hastzinfo
+        PyObject *tzinfo
+
+    ctypedef struct PyDateTime_Delta:
+        int days
+        int seconds
+        int microseconds
+        
+    # Define structure for C API.
+    ctypedef struct PyDateTime_CAPI:
+        # type objects 
+        PyTypeObject *DateType
+        PyTypeObject *DateTimeType
+        PyTypeObject *TimeType
+        PyTypeObject *DeltaType
+        PyTypeObject *TZInfoType
+    
+        # constructors
+        object (*Date_FromDate)(int, int, int, PyTypeObject*)
+        object (*DateTime_FromDateAndTime)(int, int, int, int, int, int, int, object, PyTypeObject*)
+        object (*Time_FromTime)(int, int, int, int, object, PyTypeObject*)
+        object (*Delta_FromDelta)(int, int, int, int, PyTypeObject*)
+    
+        # constructors for the DB API
+        object (*DateTime_FromTimestamp)(object, object, object)
+        object (*Date_FromTimestamp)(object, object)
+
+    # Check type of the object.
+    bint PyDate_Check(object op)
+    bint PyDate_CheckExact(object op)
+
+    bint PyDateTime_Check(object op)
+    bint PyDateTime_CheckExact(object op)
+
+    bint PyTime_Check(object op)
+    bint PyTime_CheckExact(object op)
+
+    bint PyDelta_Check(object op)
+    bint PyDelta_CheckExact(object op)
+
+    bint PyTZInfo_Check(object op)
+    bint PyTZInfo_CheckExact(object op)
+
+    # Getters for date and datetime (C macros).
+    int PyDateTime_GET_YEAR(object o)
+    int PyDateTime_GET_MONTH(object o)
+    int PyDateTime_GET_DAY(object o)
+
+    # Getters for datetime (C macros).
+    int PyDateTime_DATE_GET_HOUR(object o)
+    int PyDateTime_DATE_GET_MINUTE(object o)
+    int PyDateTime_DATE_GET_SECOND(object o)
+    int PyDateTime_DATE_GET_MICROSECOND(object o)
+
+    # Getters for time (C macros).
+    int PyDateTime_TIME_GET_HOUR(object o)
+    int PyDateTime_TIME_GET_MINUTE(object o)
+    int PyDateTime_TIME_GET_SECOND(object o)
+    int PyDateTime_TIME_GET_MICROSECOND(object o)
+
+    # Getters for timedelta (C macros).
+    #int PyDateTime_DELTA_GET_DAYS(object o)
+    #int PyDateTime_DELTA_GET_SECONDS(object o)
+    #int PyDateTime_DELTA_GET_MICROSECONDS(object o)
+
+    # PyDateTime CAPI object.
+    PyDateTime_CAPI *PyDateTimeAPI
+    
+    void PyDateTime_IMPORT()
+
+# Datetime C API initialization function.
+# You have to call it before any usage of DateTime CAPI functions.
+cdef inline void import_datetime():
+    PyDateTime_IMPORT
+
+# Create date object using DateTime CAPI factory function.
+# Note, there are no range checks for any of the arguments.
+cdef inline object date_new(int year, int month, int day):
+    return PyDateTimeAPI.Date_FromDate(year, month, day, PyDateTimeAPI.DateType)
+    
+# Create time object using DateTime CAPI factory function
+# Note, there are no range checks for any of the arguments.
+cdef inline object time_new(int hour, int minute, int second, int microsecond, object tz):
+    return PyDateTimeAPI.Time_FromTime(hour, minute, second, microsecond, tz, PyDateTimeAPI.TimeType)
+
+# Create datetime object using DateTime CAPI factory function.
+# Note, there are no range checks for any of the arguments.
+cdef inline object datetime_new(int year, int month, int day, int hour, int minute, int second, int microsecond, object tz):
+    return PyDateTimeAPI.DateTime_FromDateAndTime(year, month, day, hour, minute, second, microsecond, tz, PyDateTimeAPI.DateTimeType)
+
+# Create timedelta object using DateTime CAPI factory function.
+# Note, there are no range checks for any of the arguments.
+cdef inline object timedelta_new(int days, int seconds, int useconds):
+    return PyDateTimeAPI.Delta_FromDelta(days, seconds, useconds, 1, PyDateTimeAPI.DeltaType)
+
+# More recognizable getters for date/time/datetime/timedelta.
+# There are no setters because datetime.h hasn't them.
+# This is because of immutable nature of these objects by design.
+# If you would change time/date/datetime/timedelta object you need to recreate. 
+
+# Get tzinfo of time
+cdef inline object time_tzinfo(object o):
+    if (<PyDateTime_Time*>o).hastzinfo:
+        return <object>(<PyDateTime_Time*>o).tzinfo
+    else:
+        return None
+
+# Get tzinfo of datetime 
+cdef inline object datetime_tzinfo(object o):
+    if (<PyDateTime_DateTime*>o).hastzinfo:
+        return <object>(<PyDateTime_DateTime*>o).tzinfo
+    else:
+        return None
+
+# Get year of date
+cdef inline int date_year(object o):
+    return PyDateTime_GET_YEAR(o)
+    
+# Get month of date
+cdef inline int date_month(object o):
+    return PyDateTime_GET_MONTH(o)
+
+# Get day of date
+cdef inline int date_day(object o):
+    return PyDateTime_GET_DAY(o)
+
+# Get year of datetime
+cdef inline int datetime_year(object o):
+    return PyDateTime_GET_YEAR(o)
+    
+# Get month of datetime
+cdef inline int datetime_month(object o):
+    return PyDateTime_GET_MONTH(o)
+
+# Get day of datetime
+cdef inline int datetime_day(object o):
+    return PyDateTime_GET_DAY(o)
+
+# Get hour of time
+cdef inline int time_hour(object o):
+    return PyDateTime_TIME_GET_HOUR(o)
+
+# Get minute of time
+cdef inline int time_minute(object o):
+    return PyDateTime_TIME_GET_MINUTE(o)
+
+# Get second of time
+cdef inline int time_second(object o):
+    return PyDateTime_TIME_GET_SECOND(o)
+
+# Get microsecond of time
+cdef inline int time_microsecond(object o):
+    return PyDateTime_TIME_GET_MICROSECOND(o)
+
+# Get hour of datetime
+cdef inline int datetime_hour(object o):
+    return PyDateTime_DATE_GET_HOUR(o)
+
+# Get minute of datetime
+cdef inline int datetime_minute(object o):
+    return PyDateTime_DATE_GET_MINUTE(o)
+
+# Get second of datetime
+cdef inline int datetime_second(object o):
+    return PyDateTime_DATE_GET_SECOND(o)
+
+# Get microsecond of datetime
+cdef inline int datetime_microsecond(object o):
+    return PyDateTime_DATE_GET_MICROSECOND(o)
+
+# Get days of timedelta
+cdef inline int timedelta_days(object o):
+    return (<PyDateTime_Delta*>o).days
+
+# Get seconds of timedelta
+cdef inline int timedelta_seconds(object o):
+    return (<PyDateTime_Delta*>o).seconds
+
+# Get microseconds of timedelta
+cdef inline int timedelta_microseconds(object o):
+    return (<PyDateTime_Delta*>o).microseconds