| """ |
| Cython implementation of (parts of) the standard library time module. |
| |
| Note: On implementations that lack a C-API for monotonic/perfcounter clocks |
| (like PyPy), the fallback code uses the system clock which may return absolute |
| time values from a different value range, differing from those provided by |
| Python's "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_TimeRaw(void) { |
| __Pyx_PyTime_t tic; |
| (void) PyTime_TimeRaw(&tic); |
| return tic; |
| } |
| #else |
| #define __Pyx_PyTime_TimeRaw() _PyTime_GetSystemClock() |
| #endif |
| |
| #if PY_VERSION_HEX >= 0x030d00b1 || defined(PyTime_MonotonicRaw) |
| static CYTHON_INLINE __Pyx_PyTime_t __Pyx_PyTime_MonotonicRaw(void) { |
| __Pyx_PyTime_t tic; |
| (void) PyTime_MonotonicRaw(&tic); |
| return tic; |
| } |
| #elif CYTHON_COMPILING_IN_PYPY && !defined(_PyTime_GetMonotonicClock) |
| #define __Pyx_PyTime_MonotonicRaw() _PyTime_GetSystemClock() |
| #else |
| #define __Pyx_PyTime_MonotonicRaw() _PyTime_GetMonotonicClock() |
| #endif |
| |
| #if PY_VERSION_HEX >= 0x030d00b1 || defined(PyTime_PerfCounterRaw) |
| static CYTHON_INLINE __Pyx_PyTime_t __Pyx_PyTime_PerfCounterRaw(void) { |
| __Pyx_PyTime_t tic; |
| (void) PyTime_PerfCounterRaw(&tic); |
| return tic; |
| } |
| #elif CYTHON_COMPILING_IN_PYPY && !defined(_PyTime_GetPerfCounter) |
| #define __Pyx_PyTime_PerfCounterRaw() __Pyx_PyTime_MonotonicRaw() |
| #else |
| #define __Pyx_PyTime_PerfCounterRaw() _PyTime_GetPerfCounter() |
| #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 PyTime_t _PyTime_t "__Pyx_PyTime_t" |
| PyTime_t PyTime_TimeUnchecked "__Pyx_PyTime_TimeRaw" () noexcept nogil |
|
|
| PyTime_t PyTime_TimeRaw "__Pyx_PyTime_TimeRaw" () noexcept nogil |
| PyTime_t PyTime_MonotonicRaw "__Pyx_PyTime_MonotonicRaw" () noexcept nogil |
| PyTime_t PyTime_PerfCounterRaw "__Pyx_PyTime_PerfCounterRaw" () noexcept nogil |
| double PyTime_AsSecondsDouble "__Pyx_PyTime_AsSecondsDouble" (PyTime_t t) noexcept nogil |
|
|
|
|
| from libc.time cimport ( |
| tm, |
| time_t, |
| localtime as libc_localtime, |
| ) |
|
|
|
|
| cdef inline double time() noexcept nogil: |
| cdef PyTime_t tic = PyTime_TimeRaw() |
| return PyTime_AsSecondsDouble(tic) |
|
|
|
|
| cdef inline int64_t time_ns() noexcept nogil: |
| return <int64_t> PyTime_TimeRaw() |
|
|
|
|
| cdef inline double perf_counter() noexcept nogil: |
| cdef PyTime_t tic = PyTime_PerfCounterRaw() |
| return PyTime_AsSecondsDouble(tic) |
|
|
|
|
| cdef inline int64_t perf_counter_ns() noexcept nogil: |
| return <int64_t> PyTime_PerfCounterRaw() |
|
|
|
|
| cdef inline double monotonic() noexcept nogil: |
| cdef PyTime_t tic = PyTime_MonotonicRaw() |
| return PyTime_AsSecondsDouble(tic) |
|
|
|
|
| cdef inline int64_t monotonic_ns() noexcept nogil: |
| return <int64_t> PyTime_MonotonicRaw() |
|
|
|
|
| cdef inline int _raise_from_errno() except -1 with gil: |
| PyErr_SetFromErrno(RuntimeError) |
| return <int> -1 |
|
|
|
|
| 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() |
| |
| |
| result.tm_year += 1900 |
| result.tm_mon += 1 |
| result.tm_wday = <int> ((result.tm_wday + 6) % 7) |
| result.tm_yday += 1 |
| return result[0] |
|
|
