1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/* datetime.h
*/
#ifndef DATETIME_H
#define DATETIME_H
/* 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
long 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 \
long 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])
#define PyDate_Check(op) PyObject_TypeCheck(op, &PyDateTime_DateType)
#define PyDate_CheckExact(op) ((op)->ob_type == &PyDateTime_DateType)
#define PyDateTime_Check(op) PyObject_TypeCheck(op, &PyDateTime_DateTimeType)
#define PyDateTime_CheckExact(op) ((op)->ob_type == &PyDateTime_DateTimeType)
#define PyTime_Check(op) PyObject_TypeCheck(op, &PyDateTime_TimeType)
#define PyTime_CheckExact(op) ((op)->ob_type == &PyDateTime_TimeType)
#define PyDelta_Check(op) PyObject_TypeCheck(op, &PyDateTime_DeltaType)
#define PyDelta_CheckExact(op) ((op)->ob_type == &PyDateTime_DeltaType)
#define PyTZInfo_Check(op) PyObject_TypeCheck(op, &PyDateTime_TZInfoType)
#define PyTZInfo_CheckExact(op) ((op)->ob_type == &PyDateTime_TZInfoType)
#endif
|
