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"""
Cython implementation of (parts of) the standard library time module.
"""
from libc.stdint cimport int64_t
from cpython.exc cimport PyErr_SetFromErrno
cdef extern from *:
"""
#if PY_VERSION_HEX >= 0x030d00b1 || defined(PyTime_t)
#define __Pyx_PyTime_t PyTime_t
#else
#define __Pyx_PyTime_t _PyTime_t
#endif
#if PY_VERSION_HEX >= 0x030d00b1 || defined(PyTime_TimeRaw)
static CYTHON_INLINE __Pyx_PyTime_t __Pyx_PyTime_TimeUnchecked(void) {
__Pyx_PyTime_t tic;
(void) PyTime_TimeRaw(&tic);
return tic;
}
#else
#define __Pyx_PyTime_TimeUnchecked() _PyTime_GetSystemClock()
#endif
#if PY_VERSION_HEX >= 0x030d00b1 || defined(PyTime_AsSecondsDouble)
#define __Pyx_PyTime_AsSecondsDouble(t) PyTime_AsSecondsDouble(t)
#else
#define __Pyx_PyTime_AsSecondsDouble(t) _PyTime_AsSecondsDouble(t)
#endif
"""
ctypedef int64_t PyTime_t "__Pyx_PyTime_t"
ctypedef int64_t _PyTime_t "__Pyx_PyTime_t"
_PyTime_t _PyTime_GetSystemClock "__Pyx_PyTime_TimeUnchecked" () nogil
_PyTime_t PyTime_TimeUnchecked "__Pyx_PyTime_TimeUnchecked" () nogil
double _PyTime_AsSecondsDouble "__Pyx_PyTime_AsSecondsDouble" (_PyTime_t t) nogil
double PyTime_AsSecondsDouble "__Pyx_PyTime_AsSecondsDouble" (_PyTime_t t) nogil
from libc.time cimport (
tm,
time_t,
localtime as libc_localtime,
)
cdef inline double time() noexcept nogil:
cdef:
_PyTime_t tic
tic = PyTime_TimeUnchecked()
return PyTime_AsSecondsDouble(tic)
cdef inline int _raise_from_errno() except -1 with gil:
PyErr_SetFromErrno(RuntimeError)
return <int> -1 # Let the C compiler know that this function always raises.
cdef inline tm localtime() except * nogil:
"""
Analogue to the stdlib time.localtime. The returned struct
has some entries that the stdlib version does not: tm_gmtoff, tm_zone
"""
cdef:
time_t tic = <time_t>time()
tm* result
result = libc_localtime(&tic)
if result is NULL:
_raise_from_errno()
# Fix 0-based date values (and the 1900-based year).
# See tmtotuple() in https://github.com/python/cpython/blob/master/Modules/timemodule.c
result.tm_year += 1900
result.tm_mon += 1
result.tm_wday = <int> ((result.tm_wday + 6) % 7)
result.tm_yday += 1
return result[0]
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