2022-05-23 00:16:32 +04:00

82 lines
2.3 KiB
Cython

from cpython.datetime cimport (
date,
datetime,
)
from numpy cimport (
int32_t,
int64_t,
)
cdef extern from "numpy/ndarrayobject.h":
ctypedef int64_t npy_timedelta
ctypedef int64_t npy_datetime
cdef extern from "numpy/ndarraytypes.h":
ctypedef struct PyArray_DatetimeMetaData:
NPY_DATETIMEUNIT base
int64_t num
cdef extern from "numpy/arrayscalars.h":
ctypedef struct PyDatetimeScalarObject:
# PyObject_HEAD
npy_datetime obval
PyArray_DatetimeMetaData obmeta
ctypedef struct PyTimedeltaScalarObject:
# PyObject_HEAD
npy_timedelta obval
PyArray_DatetimeMetaData obmeta
cdef extern from "numpy/ndarraytypes.h":
ctypedef struct npy_datetimestruct:
int64_t year
int32_t month, day, hour, min, sec, us, ps, as
ctypedef enum NPY_DATETIMEUNIT:
NPY_FR_Y
NPY_FR_M
NPY_FR_W
NPY_FR_D
NPY_FR_B
NPY_FR_h
NPY_FR_m
NPY_FR_s
NPY_FR_ms
NPY_FR_us
NPY_FR_ns
NPY_FR_ps
NPY_FR_fs
NPY_FR_as
NPY_FR_GENERIC
cdef extern from "src/datetime/np_datetime.h":
ctypedef struct pandas_timedeltastruct:
int64_t days
int32_t hrs, min, sec, ms, us, ns, seconds, microseconds, nanoseconds
void pandas_datetime_to_datetimestruct(npy_datetime val,
NPY_DATETIMEUNIT fr,
npy_datetimestruct *result) nogil
cdef bint cmp_scalar(int64_t lhs, int64_t rhs, int op) except -1
cdef check_dts_bounds(npy_datetimestruct *dts)
cdef int64_t dtstruct_to_dt64(npy_datetimestruct* dts) nogil
cdef void dt64_to_dtstruct(int64_t dt64, npy_datetimestruct* out) nogil
cdef void td64_to_tdstruct(int64_t td64, pandas_timedeltastruct* out) nogil
cdef int64_t pydatetime_to_dt64(datetime val, npy_datetimestruct *dts)
cdef int64_t pydate_to_dt64(date val, npy_datetimestruct *dts)
cdef void pydate_to_dtstruct(date val, npy_datetimestruct *dts)
cdef npy_datetime get_datetime64_value(object obj) nogil
cdef npy_timedelta get_timedelta64_value(object obj) nogil
cdef NPY_DATETIMEUNIT get_datetime64_unit(object obj) nogil
cdef int _string_to_dts(str val, npy_datetimestruct* dts,
int* out_local, int* out_tzoffset,
bint want_exc) except? -1