针对pulse-transit的工具

dist/client/pandas/_libs/tslibs/timedeltas.pxd

@@ -0,0 +1,19 @@
+from cpython.datetime cimport timedelta
+from numpy cimport int64_t
+
+
+# Exposed for tslib, not intended for outside use.
+cpdef int64_t delta_to_nanoseconds(delta) except? -1
+cdef convert_to_timedelta64(object ts, str unit)
+cdef bint is_any_td_scalar(object obj)
+
+
+cdef class _Timedelta(timedelta):
+    cdef readonly:
+        int64_t value      # nanoseconds
+        object freq        # frequency reference
+        bint is_populated  # are my components populated
+        int64_t _d, _h, _m, _s, _ms, _us, _ns
+
+    cpdef timedelta to_pytimedelta(_Timedelta self)
+    cpdef bint _has_ns(self)