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client.py with checks (try and except) #2

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client.py with checks (try and except)
johnjazz47 Feb 13, 2023
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johnjazz47 Feb 14, 2023
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283 changes: 283 additions & 0 deletions client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -96,13 +96,296 @@ def quitClient():
elif response[0:3] == "400":
print(response)
elif cmd.lower()[0:3] == "buy".lower():
parameters = cmd.split(" ")#split the cmd string into a list starting with buy as parameter[0]
price_flag = False #boolean for the price per share
stock_flag = False #boolean for stock amount
uid_flag = False #boolean for user id
symbol = ""
if len(parameters) == 0 or len(parameters) == 1: #"BUY" or "BUY " case we need a stock symbol, price per share, stock ammount and a user id
symbol = str(input("Please enter stock symbol\n"))
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))#Ensure that stock is a positive number
if stock > 0:
stock_flag = True
except:
stock_flag = False
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))#Ensure that price is a positive number
if price > 0:
price_flag = True
except:
price_flag = False
while uid_flag == False:
try:
uid = int(input("Please enter user id number as an integer\n"))#Ensure that uid is an integer
uid_flag = True
except:
uid_flag = False
cmd = "BUY " + symbol +" "+ stock +" "+ price +" "+ uid+"\n" #The message to be sent
elif len(parameters) == 2: #"BUY symbol" case
symbol = str(parameters[1])
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
while uid_flag == False:
try:
uid = int(input("Please enter user id number as an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "BUY " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"
elif len(parameters) == 3: #"BUY symbol pricepershare" case
symbol = str(parameters[1])
try:
stock = float(parameters[2])
except:
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False

while uid_flag == False:
try:
uid = int(input("Please enter user id numberas an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "BUY " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"#The message to be sent
elif len(parameters) == 4: #"BUY symbol pricepershare stockamount" case
symbol = str(parameters[1])
try:
stock = float(parameters[2])
except:
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
try:
price = float(parameters[3])
except:
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
while uid_flag == False:
try:
uid = int(input("Please enter user id number as an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "BUY " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"#Message to be sent
elif len(parameters) >= 5: #"BUY symbol price per share stock amount uid" and corners case
symbol = str(parameters[1])
try:
stock = float(parameters[2])
except:
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
try:
price = float(parameters[3])
except:
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
try:
uid = int(parameters[4])
except:
while uid_flag == False:
try:
uid = float(input("Please enter user id number as an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "BUY " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"
sendMsg(cmd)
response = recieveMsg()
if response[0:3] == "200":
print(response[7:])
elif response[0:3] == "400":
print(response)
elif cmd.lower()[0:4] == "sell".lower():
parameters = cmd.split(" ")#Split command input as in buy
#Booleans for input checks
price_flag = False
stock_flag = False
uid_flag = False
symbol = ""
if len(parameters) == 0 or len(parameters) == 1: #"SELL" and "SELL " case
symbol = str(input("Please enter stock symbol\n"))
#Ensure real positive numbers for price and stock amount, ensure integer for uid
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
while uid_flag == False:
try:
uid = int(input("Please enter user id number as an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "SELL " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"
elif len(parameters) == 2: #"Sell symbol" case
symbol = str(parameters[1])
#Ensure real positive numbers for price and stock amount, ensure integer for uid
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
while uid_flag == False:
try:
uid = int(input("Please enter user id number as an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "SELL " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"
elif len(parameters) == 3: #"SELL symbol stock" case
symbol = str(parameters[1])
#Ensure real positive numbers for price and stock amount, ensure integer for uid
try:
stock = float(parameters[2])
except:
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
while uid_flag == False:
try:
uid = int(input("Please enter user id numberas an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "SELL " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"
elif len(parameters) == 4: #"SELL symbol stock price" case
symbol = str(parameters[1])
#Ensure real positive numbers for price and stock amount, ensure integer for uid
try:
price = float(parameters[3])
except:
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
try:
stock = float(parameters[2])
except:
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
while uid_flag == False:
try:
uid = int(input("Please enter user id number as an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "SELL " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"
elif len(parameters) >= 5: #"SELL symbol stock price uid" and corner case
symbol = str(parameters[1])
#Ensure real positive numbers for price and stock amount, ensure integer for uid
try:
price = float(parameters[3])
except:
while price_flag == False:
try:
price = float(input("Please enter stock price per share as a float or integer\n"))
if price > 0:
price_flag = True
except:
price_flag = False
try:
stock = float(parameters[2])
except:
while stock_flag == False:
try:
stock = float(input("Please enter stock ammount as a float or integer\n"))
if stock > 0:
stock_flag = True
except:
stock_flag = False
try:
uid = int(parameters[4])
except:
while uid_flag == False:
try:
uid = int(input("Please enter user id number as an integer\n"))
uid_flag = True
except:
uid_flag = False
cmd = "SELL " + symbol +" "+ price +" "+ stock +" "+ uid+"\n"
sendMsg(cmd)
response = recieveMsg()
if response[0:3] == "200":
Expand Down