billscript.py

#exec(open("C:/Users/Pablo.PABLO-XPS/Documents/python/billscript.py").read())

filepath = "C:/Users/Pablo.PABLO-XPS/Documents/python/"
filename = "april"
fileext = ".txt"

bills = {}

class Bill:
	def __init__(self, price, details):
		self.price = price
		self.details = details

def billsMaxToMin():
	li = []
	for c in bills:
		for b in bills[c]:
			li.append([b.price, c, b.details])
	li.sort()
	li.reverse()
	return li


def billsPerCat():
	li = []
	for c in bills:
		total = 0
		for b in bills[c]:
			total += b.price
		li.append([total, c])
	li.sort()
	li.reverse()
	return li
	

filedst = open(filepath+filename+"_result"+fileext,"w")
filesrc = open(filepath+filename+fileext, "r")
#parsing
for line in filesrc:
	#print(line)
	#filedst.write(line)
	line = line.replace('\n','')
	parts = line.split(" ", 2)
	if len(parts)<2:
		continue
	price = int(parts[0])
	category = parts[1]
	try:
		details = parts[2]
	except IndexError:
		details = ''
	b = Bill(price=price, details=details)
	if category not in bills:
		bills[category] = []
	bills[category].append(b)

#writting
maxtomin=billsMaxToMin()
print(maxtomin)
filedst.write("Max to min todos los recibos\n------------------------\n\n")
for item in maxtomin:
	string = str(item[0]) + " " + item[1] 
	if item[2] != "":
		string += " > " + item[2] 
	string += "\n"
	filedst.write(str(string))
filedst.write("\n\n")


#writting
billspercat=billsPerCat()
print(billspercat)
filedst.write("Total por categoria\n------------------\n\n")
for item in billspercat:
	string = str(item[0]) + " > " + item[1] 
	string += "\n"
	filedst.write(str(string))
filedst.write("\n\n")


#writting
filedst.write("Gran total\n------------------\n\n")
total = 0
for item in billspercat:
	total += item[0] 
string = str(total) + "\n"
filedst.write(str(string))