[backtrader source code analysis 5] rewrite several time number conversion functions in utils with Python

The result of optimization

begin to compare python date2num and cython date2num
The start time is converted into a number
run 10000000 Time , The cycle time is :0.07014679908752441,cython Time consuming :2.2787744998931885,python The time spent is :5.630713939666748, Calculate the multiple of partial promotion :2.470939507147668
begin to compare python time2num and cython time2num
The start time is converted into a number
run 10000000 Time , The cycle time is :0.06908607482910156,cython Time consuming :1.1824824810028076,python The time spent is :2.6439661979675293, Calculate the multiple of partial promotion :2.2359453441756756
begin to compare python num2date and cython num2date
Start converting numbers into time
run 10000000 Time , The cycle time is :0.06380581855773926,cython Time consuming :6.739114761352539,python The time spent is :11.535799741744995, Calculate the multiple of partial promotion :1.7117678137639791
begin to compare python num2dt and cython num2dt
Start converting numbers into time
run 10000000 Time , The cycle time is :0.06438589096069336,cython Time consuming :8.041357517242432,python The time spent is :12.644205570220947, Calculate the multiple of partial promotion :1.5723968923293115

cython_func.pyx Code