OpenVoiceOS/buildroot-external/rootfs-overlay/base/usr/lib/python3.11/site-packages/pendulum/_extensions/_helpers.c

931 lines
25 KiB
C

/* ------------------------------------------------------------------------- */
#include <Python.h>
#include <datetime.h>
#include <structmember.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
/* ------------------------------------------------------------------------- */
#define EPOCH_YEAR 1970
#define DAYS_PER_N_YEAR 365
#define DAYS_PER_L_YEAR 366
#define USECS_PER_SEC 1000000
#define SECS_PER_MIN 60
#define SECS_PER_HOUR (60 * SECS_PER_MIN)
#define SECS_PER_DAY (SECS_PER_HOUR * 24)
// 400-year chunks always have 146097 days (20871 weeks).
#define DAYS_PER_400_YEARS 146097L
#define SECS_PER_400_YEARS ((int64_t)DAYS_PER_400_YEARS * (int64_t)SECS_PER_DAY)
// The number of seconds in an aligned 100-year chunk, for those that
// do not begin with a leap year and those that do respectively.
const int64_t SECS_PER_100_YEARS[2] = {
(uint64_t)(76L * DAYS_PER_N_YEAR + 24L * DAYS_PER_L_YEAR) * SECS_PER_DAY,
(uint64_t)(75L * DAYS_PER_N_YEAR + 25L * DAYS_PER_L_YEAR) * SECS_PER_DAY};
// The number of seconds in an aligned 4-year chunk, for those that
// do not begin with a leap year and those that do respectively.
const int32_t SECS_PER_4_YEARS[2] = {
(4 * DAYS_PER_N_YEAR + 0 * DAYS_PER_L_YEAR) * SECS_PER_DAY,
(3 * DAYS_PER_N_YEAR + 1 * DAYS_PER_L_YEAR) * SECS_PER_DAY};
// The number of seconds in non-leap and leap years respectively.
const int32_t SECS_PER_YEAR[2] = {
DAYS_PER_N_YEAR * SECS_PER_DAY,
DAYS_PER_L_YEAR *SECS_PER_DAY};
#define MONTHS_PER_YEAR 12
// The month lengths in non-leap and leap years respectively.
const int32_t DAYS_PER_MONTHS[2][13] = {
{-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{-1, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}};
// The day offsets of the beginning of each (1-based) month in non-leap
// and leap years respectively.
// For example, in a leap year there are 335 days before December.
const int32_t MONTHS_OFFSETS[2][14] = {
{-1, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
{-1, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366}};
const int DAY_OF_WEEK_TABLE[12] = {
0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4};
#define TM_SUNDAY 0
#define TM_MONDAY 1
#define TM_TUESDAY 2
#define TM_WEDNESDAY 3
#define TM_THURSDAY 4
#define TM_FRIDAY 5
#define TM_SATURDAY 6
#define TM_JANUARY 0
#define TM_FEBRUARY 1
#define TM_MARCH 2
#define TM_APRIL 3
#define TM_MAY 4
#define TM_JUNE 5
#define TM_JULY 6
#define TM_AUGUST 7
#define TM_SEPTEMBER 8
#define TM_OCTOBER 9
#define TM_NOVEMBER 10
#define TM_DECEMBER 11
/* ------------------------------------------------------------------------- */
int _p(int y)
{
return y + y / 4 - y / 100 + y / 400;
}
int _is_leap(int year)
{
return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
}
int _is_long_year(int year)
{
return (_p(year) % 7 == 4) || (_p(year - 1) % 7 == 3);
}
int _week_day(int year, int month, int day)
{
int y;
int w;
y = year - (month < 3);
w = (_p(y) + DAY_OF_WEEK_TABLE[month - 1] + day) % 7;
if (!w)
{
w = 7;
}
return w;
}
int _days_in_year(int year)
{
if (_is_leap(year))
{
return DAYS_PER_L_YEAR;
}
return DAYS_PER_N_YEAR;
}
int _day_number(int year, int month, int day)
{
month = (month + 9) % 12;
year = year - month / 10;
return (
365 * year + year / 4 - year / 100 + year / 400 + (month * 306 + 5) / 10 + (day - 1));
}
int _get_offset(PyObject *dt)
{
PyObject *tzinfo;
PyObject *offset;
tzinfo = ((PyDateTime_DateTime *)(dt))->tzinfo;
if (tzinfo != Py_None)
{
offset = PyObject_CallMethod(tzinfo, "utcoffset", "O", dt);
return PyDateTime_DELTA_GET_DAYS(offset) * SECS_PER_DAY + PyDateTime_DELTA_GET_SECONDS(offset);
}
return 0;
}
int _has_tzinfo(PyObject *dt)
{
return ((_PyDateTime_BaseTZInfo *)(dt))->hastzinfo;
}
char *_get_tz_name(PyObject *dt)
{
PyObject *tzinfo;
char *tz = "";
tzinfo = ((PyDateTime_DateTime *)(dt))->tzinfo;
if (tzinfo != Py_None)
{
if (PyObject_HasAttrString(tzinfo, "name"))
{
// Pendulum timezone
tz = (char *)PyUnicode_AsUTF8(
PyObject_GetAttrString(tzinfo, "name"));
}
else if (PyObject_HasAttrString(tzinfo, "zone"))
{
// pytz timezone
tz = (char *)PyUnicode_AsUTF8(
PyObject_GetAttrString(tzinfo, "zone"));
}
}
return tz;
}
/* ------------------------ Custom Types ------------------------------- */
/*
* class Diff():
*/
typedef struct
{
PyObject_HEAD int years;
int months;
int days;
int hours;
int minutes;
int seconds;
int microseconds;
int total_days;
} Diff;
/*
* def __init__(self, years, months, days, hours, minutes, seconds, microseconds, total_days):
* self.years = years
* # ...
*/
static int Diff_init(Diff *self, PyObject *args, PyObject *kwargs)
{
int years;
int months;
int days;
int hours;
int minutes;
int seconds;
int microseconds;
int total_days;
if (!PyArg_ParseTuple(args, "iiiiiii", &years, &months, &days, &hours, &minutes, &seconds, &microseconds, &total_days))
return -1;
self->years = years;
self->months = months;
self->days = days;
self->hours = hours;
self->minutes = minutes;
self->seconds = seconds;
self->microseconds = microseconds;
self->total_days = total_days;
return 0;
}
/*
* def __repr__(self):
* return '{} years {} months {} days {} hours {} minutes {} seconds {} microseconds'.format(
* self.years, self.months, self.days, self.minutes, self.hours, self.seconds, self.microseconds
* )
*/
static PyObject *Diff_repr(Diff *self)
{
char repr[82] = {0};
sprintf(
repr,
"%d years %d months %d days %d hours %d minutes %d seconds %d microseconds",
self->years,
self->months,
self->days,
self->hours,
self->minutes,
self->seconds,
self->microseconds);
return PyUnicode_FromString(repr);
}
/*
* Instantiate new Diff_type object
* Skip overhead of calling PyObject_New and PyObject_Init.
* Directly allocate object.
*/
static PyObject *new_diff_ex(int years, int months, int days, int hours, int minutes, int seconds, int microseconds, int total_days, PyTypeObject *type)
{
Diff *self = (Diff *)(type->tp_alloc(type, 0));
if (self != NULL)
{
self->years = years;
self->months = months;
self->days = days;
self->hours = hours;
self->minutes = minutes;
self->seconds = seconds;
self->microseconds = microseconds;
self->total_days = total_days;
}
return (PyObject *)self;
}
/*
* Class member / class attributes
*/
static PyMemberDef Diff_members[] = {
{"years", T_INT, offsetof(Diff, years), 0, "years in diff"},
{"months", T_INT, offsetof(Diff, months), 0, "months in diff"},
{"days", T_INT, offsetof(Diff, days), 0, "days in diff"},
{"hours", T_INT, offsetof(Diff, hours), 0, "hours in diff"},
{"minutes", T_INT, offsetof(Diff, minutes), 0, "minutes in diff"},
{"seconds", T_INT, offsetof(Diff, seconds), 0, "seconds in diff"},
{"microseconds", T_INT, offsetof(Diff, microseconds), 0, "microseconds in diff"},
{"total_days", T_INT, offsetof(Diff, total_days), 0, "total days in diff"},
{NULL}};
static PyTypeObject Diff_type = {
PyVarObject_HEAD_INIT(NULL, 0) "PreciseDiff", /* tp_name */
sizeof(Diff), /* tp_basicsize */
0, /* tp_itemsize */
0, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
(reprfunc)Diff_repr, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
(reprfunc)Diff_repr, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
"Precise difference between two datetime objects", /* tp_doc */
};
#define new_diff(years, months, days, hours, minutes, seconds, microseconds, total_days) new_diff_ex(years, months, days, hours, minutes, seconds, microseconds, total_days, &Diff_type)
/* -------------------------- Functions --------------------------*/
PyObject *is_leap(PyObject *self, PyObject *args)
{
PyObject *leap;
int year;
if (!PyArg_ParseTuple(args, "i", &year))
{
PyErr_SetString(
PyExc_ValueError, "Invalid parameters");
return NULL;
}
leap = PyBool_FromLong(_is_leap(year));
return leap;
}
PyObject *is_long_year(PyObject *self, PyObject *args)
{
PyObject *is_long;
int year;
if (!PyArg_ParseTuple(args, "i", &year))
{
PyErr_SetString(
PyExc_ValueError, "Invalid parameters");
return NULL;
}
is_long = PyBool_FromLong(_is_long_year(year));
return is_long;
}
PyObject *week_day(PyObject *self, PyObject *args)
{
PyObject *wd;
int year;
int month;
int day;
if (!PyArg_ParseTuple(args, "iii", &year, &month, &day))
{
PyErr_SetString(
PyExc_ValueError, "Invalid parameters");
return NULL;
}
wd = PyLong_FromLong(_week_day(year, month, day));
return wd;
}
PyObject *days_in_year(PyObject *self, PyObject *args)
{
PyObject *ndays;
int year;
if (!PyArg_ParseTuple(args, "i", &year))
{
PyErr_SetString(
PyExc_ValueError, "Invalid parameters");
return NULL;
}
ndays = PyLong_FromLong(_days_in_year(year));
return ndays;
}
PyObject *timestamp(PyObject *self, PyObject *args)
{
int64_t result;
PyObject *dt;
if (!PyArg_ParseTuple(args, "O", &dt))
{
PyErr_SetString(
PyExc_ValueError, "Invalid parameters");
return NULL;
}
int year = (double)PyDateTime_GET_YEAR(dt);
int month = PyDateTime_GET_MONTH(dt);
int day = PyDateTime_GET_DAY(dt);
int hour = PyDateTime_DATE_GET_HOUR(dt);
int minute = PyDateTime_DATE_GET_MINUTE(dt);
int second = PyDateTime_DATE_GET_SECOND(dt);
result = (year - 1970) * 365 + MONTHS_OFFSETS[0][month];
result += (int)floor((double)(year - 1968) / 4);
result -= (year - 1900) / 100;
result += (year - 1600) / 400;
if (_is_leap(year) && month < 3)
{
result -= 1;
}
result += day - 1;
result *= 24;
result += hour;
result *= 60;
result += minute;
result *= 60;
result += second;
return PyLong_FromSsize_t(result);
}
PyObject *local_time(PyObject *self, PyObject *args)
{
double unix_time;
int32_t utc_offset;
int32_t year;
int32_t microsecond;
int64_t seconds;
int32_t leap_year;
int64_t sec_per_100years;
int64_t sec_per_4years;
int32_t sec_per_year;
int32_t month;
int32_t day;
int32_t month_offset;
int32_t hour;
int32_t minute;
int32_t second;
if (!PyArg_ParseTuple(args, "dii", &unix_time, &utc_offset, &microsecond))
{
PyErr_SetString(
PyExc_ValueError, "Invalid parameters");
return NULL;
}
year = EPOCH_YEAR;
seconds = (int64_t)floor(unix_time);
// Shift to a base year that is 400-year aligned.
if (seconds >= 0)
{
seconds -= 10957L * SECS_PER_DAY;
year += 30; // == 2000;
}
else
{
seconds += (int64_t)(146097L - 10957L) * SECS_PER_DAY;
year -= 370; // == 1600;
}
seconds += utc_offset;
// Handle years in chunks of 400/100/4/1
year += 400 * (seconds / SECS_PER_400_YEARS);
seconds %= SECS_PER_400_YEARS;
if (seconds < 0)
{
seconds += SECS_PER_400_YEARS;
year -= 400;
}
leap_year = 1; // 4-century aligned
sec_per_100years = SECS_PER_100_YEARS[leap_year];
while (seconds >= sec_per_100years)
{
seconds -= sec_per_100years;
year += 100;
leap_year = 0; // 1-century, non 4-century aligned
sec_per_100years = SECS_PER_100_YEARS[leap_year];
}
sec_per_4years = SECS_PER_4_YEARS[leap_year];
while (seconds >= sec_per_4years)
{
seconds -= sec_per_4years;
year += 4;
leap_year = 1; // 4-year, non century aligned
sec_per_4years = SECS_PER_4_YEARS[leap_year];
}
sec_per_year = SECS_PER_YEAR[leap_year];
while (seconds >= sec_per_year)
{
seconds -= sec_per_year;
year += 1;
leap_year = 0; // non 4-year aligned
sec_per_year = SECS_PER_YEAR[leap_year];
}
// Handle months and days
month = TM_DECEMBER + 1;
day = seconds / SECS_PER_DAY + 1;
seconds %= SECS_PER_DAY;
while (month != TM_JANUARY + 1)
{
month_offset = MONTHS_OFFSETS[leap_year][month];
if (day > month_offset)
{
day -= month_offset;
break;
}
month -= 1;
}
// Handle hours, minutes and seconds
hour = seconds / SECS_PER_HOUR;
seconds %= SECS_PER_HOUR;
minute = seconds / SECS_PER_MIN;
second = seconds % SECS_PER_MIN;
return Py_BuildValue("NNNNNNN",
PyLong_FromLong(year),
PyLong_FromLong(month),
PyLong_FromLong(day),
PyLong_FromLong(hour),
PyLong_FromLong(minute),
PyLong_FromLong(second),
PyLong_FromLong(microsecond));
}
// Calculate a precise difference between two datetimes.
PyObject *precise_diff(PyObject *self, PyObject *args)
{
PyObject *dt1;
PyObject *dt2;
if (!PyArg_ParseTuple(args, "OO", &dt1, &dt2))
{
PyErr_SetString(
PyExc_ValueError, "Invalid parameters");
return NULL;
}
int year_diff = 0;
int month_diff = 0;
int day_diff = 0;
int hour_diff = 0;
int minute_diff = 0;
int second_diff = 0;
int microsecond_diff = 0;
int sign = 1;
int year;
int month;
int leap;
int days_in_last_month;
int days_in_month;
int dt1_year = PyDateTime_GET_YEAR(dt1);
int dt2_year = PyDateTime_GET_YEAR(dt2);
int dt1_month = PyDateTime_GET_MONTH(dt1);
int dt2_month = PyDateTime_GET_MONTH(dt2);
int dt1_day = PyDateTime_GET_DAY(dt1);
int dt2_day = PyDateTime_GET_DAY(dt2);
int dt1_hour = 0;
int dt2_hour = 0;
int dt1_minute = 0;
int dt2_minute = 0;
int dt1_second = 0;
int dt2_second = 0;
int dt1_microsecond = 0;
int dt2_microsecond = 0;
int dt1_total_seconds = 0;
int dt2_total_seconds = 0;
int dt1_offset = 0;
int dt2_offset = 0;
int dt1_is_datetime = PyDateTime_Check(dt1);
int dt2_is_datetime = PyDateTime_Check(dt2);
char *tz1 = "";
char *tz2 = "";
int in_same_tz = 0;
int total_days = (_day_number(dt2_year, dt2_month, dt2_day) - _day_number(dt1_year, dt1_month, dt1_day));
// If both dates are datetimes, we check
// If we are in the same timezone
if (dt1_is_datetime && dt2_is_datetime)
{
if (_has_tzinfo(dt1))
{
tz1 = _get_tz_name(dt1);
dt1_offset = _get_offset(dt1);
}
if (_has_tzinfo(dt2))
{
tz2 = _get_tz_name(dt2);
dt2_offset = _get_offset(dt2);
}
in_same_tz = tz1 == tz2 && strncmp(tz1, "", 1);
}
// If we have datetimes (and not only dates)
// we get the information we need
if (dt1_is_datetime)
{
dt1_hour = PyDateTime_DATE_GET_HOUR(dt1);
dt1_minute = PyDateTime_DATE_GET_MINUTE(dt1);
dt1_second = PyDateTime_DATE_GET_SECOND(dt1);
dt1_microsecond = PyDateTime_DATE_GET_MICROSECOND(dt1);
if ((!in_same_tz && dt1_offset != 0) || total_days == 0)
{
dt1_hour -= dt1_offset / SECS_PER_HOUR;
dt1_offset %= SECS_PER_HOUR;
dt1_minute -= dt1_offset / SECS_PER_MIN;
dt1_offset %= SECS_PER_MIN;
dt1_second -= dt1_offset;
if (dt1_second < 0)
{
dt1_second += 60;
dt1_minute -= 1;
}
else if (dt1_second > 60)
{
dt1_second -= 60;
dt1_minute += 1;
}
if (dt1_minute < 0)
{
dt1_minute += 60;
dt1_hour -= 1;
}
else if (dt1_minute > 60)
{
dt1_minute -= 60;
dt1_hour += 1;
}
if (dt1_hour < 0)
{
dt1_hour += 24;
dt1_day -= 1;
}
else if (dt1_hour > 24)
{
dt1_hour -= 24;
dt1_day += 1;
}
}
dt1_total_seconds = (dt1_hour * SECS_PER_HOUR + dt1_minute * SECS_PER_MIN + dt1_second);
}
if (dt2_is_datetime)
{
dt2_hour = PyDateTime_DATE_GET_HOUR(dt2);
dt2_minute = PyDateTime_DATE_GET_MINUTE(dt2);
dt2_second = PyDateTime_DATE_GET_SECOND(dt2);
dt2_microsecond = PyDateTime_DATE_GET_MICROSECOND(dt2);
if ((!in_same_tz && dt2_offset != 0) || total_days == 0)
{
dt2_hour -= dt2_offset / SECS_PER_HOUR;
dt2_offset %= SECS_PER_HOUR;
dt2_minute -= dt2_offset / SECS_PER_MIN;
dt2_offset %= SECS_PER_MIN;
dt2_second -= dt2_offset;
if (dt2_second < 0)
{
dt2_second += 60;
dt2_minute -= 1;
}
else if (dt2_second > 60)
{
dt2_second -= 60;
dt2_minute += 1;
}
if (dt2_minute < 0)
{
dt2_minute += 60;
dt2_hour -= 1;
}
else if (dt2_minute > 60)
{
dt2_minute -= 60;
dt2_hour += 1;
}
if (dt2_hour < 0)
{
dt2_hour += 24;
dt2_day -= 1;
}
else if (dt2_hour > 24)
{
dt2_hour -= 24;
dt2_day += 1;
}
}
dt2_total_seconds = (dt2_hour * SECS_PER_HOUR + dt2_minute * SECS_PER_MIN + dt2_second);
}
// Direct comparison between two datetimes does not work
// so we need to check by properties
int dt1_gt_dt2 = (dt1_year > dt2_year || (dt1_year == dt2_year && dt1_month > dt2_month) || (dt1_year == dt2_year && dt1_month == dt2_month && dt1_day > dt2_day) || (dt1_year == dt2_year && dt1_month == dt2_month && dt1_day == dt2_day && dt1_total_seconds > dt2_total_seconds) || (dt1_year == dt2_year && dt1_month == dt2_month && dt1_day == dt2_day && dt1_total_seconds == dt2_total_seconds && dt1_microsecond > dt2_microsecond));
if (dt1_gt_dt2)
{
PyObject *temp;
temp = dt1;
dt1 = dt2;
dt2 = temp;
sign = -1;
// Retrieving properties
dt1_year = PyDateTime_GET_YEAR(dt1);
dt2_year = PyDateTime_GET_YEAR(dt2);
dt1_month = PyDateTime_GET_MONTH(dt1);
dt2_month = PyDateTime_GET_MONTH(dt2);
dt1_day = PyDateTime_GET_DAY(dt1);
dt2_day = PyDateTime_GET_DAY(dt2);
if (dt2_is_datetime)
{
dt1_hour = PyDateTime_DATE_GET_HOUR(dt1);
dt1_minute = PyDateTime_DATE_GET_MINUTE(dt1);
dt1_second = PyDateTime_DATE_GET_SECOND(dt1);
dt1_microsecond = PyDateTime_DATE_GET_MICROSECOND(dt1);
}
if (dt1_is_datetime)
{
dt2_hour = PyDateTime_DATE_GET_HOUR(dt2);
dt2_minute = PyDateTime_DATE_GET_MINUTE(dt2);
dt2_second = PyDateTime_DATE_GET_SECOND(dt2);
dt2_microsecond = PyDateTime_DATE_GET_MICROSECOND(dt2);
}
total_days = (_day_number(dt2_year, dt2_month, dt2_day) - _day_number(dt1_year, dt1_month, dt1_day));
}
year_diff = dt2_year - dt1_year;
month_diff = dt2_month - dt1_month;
day_diff = dt2_day - dt1_day;
hour_diff = dt2_hour - dt1_hour;
minute_diff = dt2_minute - dt1_minute;
second_diff = dt2_second - dt1_second;
microsecond_diff = dt2_microsecond - dt1_microsecond;
if (microsecond_diff < 0)
{
microsecond_diff += 1e6;
second_diff -= 1;
}
if (second_diff < 0)
{
second_diff += 60;
minute_diff -= 1;
}
if (minute_diff < 0)
{
minute_diff += 60;
hour_diff -= 1;
}
if (hour_diff < 0)
{
hour_diff += 24;
day_diff -= 1;
}
if (day_diff < 0)
{
// If we have a difference in days,
// we have to check if they represent months
year = dt2_year;
month = dt2_month;
if (month == 1)
{
month = 12;
year -= 1;
}
else
{
month -= 1;
}
leap = _is_leap(year);
days_in_last_month = DAYS_PER_MONTHS[leap][month];
days_in_month = DAYS_PER_MONTHS[_is_leap(dt2_year)][dt2_month];
if (day_diff < days_in_month - days_in_last_month)
{
// We don't have a full month, we calculate days
if (days_in_last_month < dt1_day)
{
day_diff += dt1_day;
}
else
{
day_diff += days_in_last_month;
}
}
else if (day_diff == days_in_month - days_in_last_month)
{
// We have exactly a full month
// We remove the days difference
// and add one to the months difference
day_diff = 0;
month_diff += 1;
}
else
{
// We have a full month
day_diff += days_in_last_month;
}
month_diff -= 1;
}
if (month_diff < 0)
{
month_diff += 12;
year_diff -= 1;
}
return new_diff(
year_diff * sign,
month_diff * sign,
day_diff * sign,
hour_diff * sign,
minute_diff * sign,
second_diff * sign,
microsecond_diff * sign,
total_days * sign);
}
/* ------------------------------------------------------------------------- */
static PyMethodDef helpers_methods[] = {
{"is_leap",
(PyCFunction)is_leap,
METH_VARARGS,
PyDoc_STR("Checks if a year is a leap year.")},
{"is_long_year",
(PyCFunction)is_long_year,
METH_VARARGS,
PyDoc_STR("Checks if a year is a long year.")},
{"week_day",
(PyCFunction)week_day,
METH_VARARGS,
PyDoc_STR("Returns the weekday number.")},
{"days_in_year",
(PyCFunction)days_in_year,
METH_VARARGS,
PyDoc_STR("Returns the number of days in the given year.")},
{"timestamp",
(PyCFunction)timestamp,
METH_VARARGS,
PyDoc_STR("Returns the timestamp of the given datetime.")},
{"local_time",
(PyCFunction)local_time,
METH_VARARGS,
PyDoc_STR("Returns a UNIX time as a broken down time for a particular transition type.")},
{"precise_diff",
(PyCFunction)precise_diff,
METH_VARARGS,
PyDoc_STR("Calculate a precise difference between two datetimes.")},
{NULL}};
/* ------------------------------------------------------------------------- */
static struct PyModuleDef moduledef = {
PyModuleDef_HEAD_INIT,
"_helpers",
NULL,
-1,
helpers_methods,
NULL,
NULL,
NULL,
NULL,
};
PyMODINIT_FUNC
PyInit__helpers(void)
{
PyObject *module;
PyDateTime_IMPORT;
module = PyModule_Create(&moduledef);
if (module == NULL)
return NULL;
// Diff declaration
Diff_type.tp_new = PyType_GenericNew;
Diff_type.tp_members = Diff_members;
Diff_type.tp_init = (initproc)Diff_init;
if (PyType_Ready(&Diff_type) < 0)
return NULL;
PyModule_AddObject(module, "PreciseDiff", (PyObject *)&Diff_type);
return module;
}