xlnt/benchmarks/disabled/reader.cpp
2016-12-03 16:31:30 +01:00

46 lines
1.3 KiB
C++

import os
import sys
import timeit
import openpyxl
def reader(optimised):
"""
Loop through all cells of a workbook
"""
folder = os.path.split(__file__)[0]
src = os.path.join(folder, "files", "very_large.xlsx")
wb = openpyxl.load_workbook(src, use_iterators=optimised)
ws = wb.active
rows = ws.iter_rows()
for r, row in enumerate(rows):
for c, col in enumerate(row):
pass
print((r+1)* (c+1), "cells")
def timer(fn):
"""
Create a timeit call to a function and pass in keyword arguments.
The function is called twice, once using the standard workbook, then with the optimised one.
Time from the best of three is taken.
"""
print("lxml", openpyxl.LXML)
result = []
for opt in (False, True,):
print("Workbook is {0}".format(opt and "optimised" or "not optimised"))
times = timeit.repeat("{0}({1})".format(fn.__name__, opt),
setup="from __main__ import {0}".format(fn.__name__),
number = 1,
repeat = 3
)
print("{0:.2f}s".format(min(times)))
result.append(min(times))
std, opt = result
print("Optimised takes {0:.2%} time\n".format(opt/std))
return std, opt
if __name__ == "__main__":
timer(reader)