Muons

muons_hist.py

# Author: Alexey "FoxyLab" Voronin
# WWW: https://acdc.foxylab.com
from os import walk
import os, time
from array import array
from decimal import Decimal

hours = {
	0: 0,
	1: 0,
	2: 0,
	3: 0,
	4: 1,
	5: 1,
	6: 1,
	7: 1,
	8: 2,
	9: 2,
	10: 2,
	11: 2,
	12: 3,
	13: 3,
	14: 3,
	15: 3,
	16: 4,
	17: 4,
	18: 4,
	19: 4,
	20: 5,
	21: 5,
	22: 5,
	23: 5
}
hour_ints = {
	0: "00...04",
	1: "04...08",
	2: "08...12",
	3: "12...16",
	4: "16...20",
	5: "20...24"
}
files_list = []
divs = [0,0,0,0,0,0]
for (dirpath, dirnames, filenames) in walk("."):
    files_list.extend(filenames)
    break
cnt = 0
for file in files_list:
	file_name, file_extension = os.path.splitext(file)
	if file_extension == ".png":
		hour = time.localtime(os.stat(file).st_mtime).tm_hour 
		div = hours.get(hour, 0)
		divs[div] = divs[div] + 1
		cnt += 1
print(str(cnt) + " PNG-file(s)")
print("Histogram:")
if cnt > 0:
	div = 0	
	while div < 6:	
		stars = ""
		stars_cnt = divs[div]*20/cnt
		while stars_cnt > 0:
			stars = stars + "*"
			stars_cnt -= 1
		print(hour_ints.get(div, "")+": "+ str(divs[div])+"  "+str(round(Decimal(divs[div]*100/cnt),2))+" % "+stars)
		div += 1