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@eaugene
eaugene authored Jul 15, 2017
1 parent 4687c6f commit ea30d51
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7 changes: 7 additions & 0 deletions list2.csv
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lays,chips,5,75
samsung,cellphone,15000,7
fasttrack,watch,899,1
pizza,fast food,400,4
adidas,shoe,2499,7
cheetos,chips,6,34
mango,friuts,89,4
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232 changes: 232 additions & 0 deletions main_list.py
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import csv
import collections
dic=collections.OrderedDict()
with open("list2.csv","r+") as fil:
read_csv=csv.reader(fil)
for row in read_csv:
if(len(row)==4):
dic[row[0]]=row[1:]
class func:
def add_item(self):
pdt = input("enter prodeuct name")
ctg = input("Enter the category of product")
while True:
try:
price = int(input("Enter the price of a unit"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
break
while True:
try:
no = int(input("Enter the number of units avilable"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
break
dic[pdt] = list([ctg, str(price), str(no)])
with open('list2.csv', 'w') as u:
writ = csv.writer(u)
for v in dic.items():
writ.writerow([str(v[0]), str(v[1][0]), str(v[1][1]), str(v[1][2])])
u.close()
def update_item(self):
for v in dic.items():
print(v[0] + "-> " + v[1][0] + " || " + v[1][1] + " || " + v[1][2])
while True:
up_d = input("Enter the name of item to update :")
if up_d in dic.keys():
break
else:
o = int(input("1-Try again 2-Continue"))
if o == 1:
continue
else:
break
while True:
try:
que = int(input("Enter 1-update price 2-quantity :"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
if que < 1 or que > 2:
print("enter a proper query!!!")
o = int(input("1-Try again 2-Continue"))
if o == 1:
continue
else:
break
else:
break
if (que == 1):
while True:
try:
pri = int(input("Enter the new price"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
dic[up_d][1] = pri
break
else:
while True:
try:
qut = int(input("Enter the new quantity of product"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
dic[up_d][2] = qut
break
with open('list2.csv', 'w') as u:
writ = csv.writer(u)
for v in dic.items():
writ.writerow([str(v[0]), str(v[1][0]), str(v[1][1]), str(v[1][2])])
u.close()
def dis(self):
while True:
try:
disopt = int(input("Enter 1-display all 2-search by name 3- search by category :"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
if disopt < 1 or disopt > 3:
print("OOPS!!!Enter a proper query!")
o = int(input("1-Try again 2-Continue"))
if o == 1:
continue
else:
break
else:
break
flag = 0
if (disopt == 1):
print("PRODUCT-> CATEGORY || PRICE || QUANTITY")
for v in dic.items():
print(str(v[0])+"-> "+str(v[1][0])+" || "+str(v[1][1])+" || "+str(v[1][2]))
elif (disopt == 2):
while True:
up_d = input("Enter the name of product to be searched")
if up_d in dic.keys():
print(up_d+"->> "+dic[up_d][0]+" || "+dic[up_d][1]+" || "+dic[up_d][2])
break
else:
print("OOPS!!Enter the correct name of product!!!")
o = int(input("1-Try again 2-Continue"))
if o == 1:
continue
else:
break
elif(disopt==3):
up_d = input("Enter the category to list products")
for v in dic.items():
if up_d==v[1][0]:
print(v[0] + "-> " + v[1][0] + " || " + v[1][1] + " || " + v[1][2])
else:
print("Thanks For a Try")
def del_list(self):
print("PRODUCT-> CATEGORY || PRICE || QUANTITY")
for v in dic.items():
print(v[0] + "-> " + v[1][0] + " || " + v[1][1] + " || " + v[1][2])
while True:
pdt = input("enter prodeuct name")
if pdt in dic.keys():
print(pdt + " is deleted")
del dic[pdt]
with open('list2.csv', 'w') as u:
writ = csv.writer(u)
for v in dic.items():
writ.writerow([str(v[0]), str(v[1][0]), str(v[1][1]), str(v[1][2])])
u.close()
break
else:
print("Invalid Product")
o = int(input("1-Try again 2-Continue"))
if o == 1:
continue
else:
print("Thanks For a Try!!")
break
def bll_cus(self):
bll = collections.OrderedDict()
for v in dic.items():
print(v[0] + "-> " + v[1][0] + " || " + v[1][1] + " || " + v[1][2])
print("Enter the names of product to add to bill list")

while True:
up_d = input("Enter the name of item to update or EXIT to quit:")
if up_d in dic.keys():
while True:
try:
no = int(input("Enter the number of units to add"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
while True:
if (int(dic[up_d][2]) >= no and no > 0):
dic[up_d][2] = str(int(dic[up_d][2]) - no)
bll[up_d] = list([dic[up_d][0], str(no), str(no * int(dic[up_d][1]))])
if (int(dic[up_d][2]) == 0):
del dic[up_d]
break
else:
print("Store has less Quantity than needed quantity!! or Give a positive quantity")
no = int(input("Try with less quantity"))
continue
break
continue
elif (up_d == 'EXIT' or up_d == 'exit'):
break
else:
o = int(input("1-Try again 2-Continue"))
if o == 1:
continue
else:
break
with open('list2.csv', 'w') as u:
writ = csv.writer(u)
for v in dic.items():
if (int(v[1][2]) > 0):
writ.writerow([str(v[0]), str(v[1][0]), str(v[1][1]), str(v[1][2])])
else:
del dic[str(v[0])]
u.close()
totl=0
print("\n\nBill list\n")
for k in bll.items():
totl=totl+int(k[1][2])
print(k[0]+"->"+"Units:"+k[1][1]+"Amt:"+k[1][2])
print("Grand Total: "+str(totl))

er = func()
while True:
try:
opt = int(input("Enter 1-add item 2- update details 3-display and search 4-delete item 5-bill"))
except ValueError:
print("Only numbers are allowed!!!")
continue
else:
if (opt == 1):
er.add_item()
elif (opt == 2):
er.update_item()
elif (opt == 3):
er.dis()
elif (opt == 4):
er.del_list()
elif (opt == 5):
er.bll_cus()
else:
print("Invalid")
o=int(input("1-Test Again other-End"))
if(o==1):
continue
else:
break

print("End")

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