currencyconvertor

currencyconvertor.py

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+# PYTHON GUI TO CONVERT AMOUNT USER-INPUT FROM SELECTED CURRENCY VALUE TO SELECTED CURRENCY
+# BASED ON REAL-TIME CURRECNY RATES
+#
+# GET YOUR FREE API KEY FROM : https://www.alphavantage.co
+
+# Importing necessary packages
+import json
+import requests
+import tkinter as tk
+from tkinter import *
+
+# Making a list of currencies. You can add more items (currencies) to the list
+currencyList = ['US', 'INR', 'USD', 'AED', 'AUD', 'BHD', 'BRL', 'CAD', 'CNY', 'EUR', 'HKD','NRS' ]
+
+# Defining CreateWidgets() to create necessary widgets for the GUI
+def CreateWidgets():
+    inputAMT_Label = Label(root, text="ENTER AMOUNT TO CONVERT : ", bg="deepskyblue4")
+    inputAMT_Label.grid(row=1, column=0, padx=5, pady=5, columnspan=2)
+    inputAMT_Entry = Entry(root, width=14, textvariable=getAMT, bg="snow3",
+                           font=('',20), justify="center")
+    inputAMT_Entry.grid(row=1, column=2, padx=5, pady=5)
+
+    fromLabel = Label(root, text="FROM : ", bg="deepskyblue4")
+    fromLabel.grid(row=2, column=0, padx=5, pady=5)
+    root.fromList = Listbox(root, width=20, height=len(currencyList), exportselection=False,
+                            bg="snow3")
+    root.fromList.grid(row=3, column=0, columnspan=2, padx = 5, pady = 5)
+
+    # Populating the ListBox with the currencies values from currencyList
+    for c in range(len(currencyList)):
+        root.fromList.insert(c, currencyList[c])
+    # Binding onFromCurrencySelect() event to the ListBox Widget
+    root.fromList.bind('<<ListboxSelect>>', onFromCurrencySelect)
+
+    toLabel = Label(root, text="TO : ", bg="deepskyblue4")
+    toLabel.grid(row=2, column=2, padx=5, pady=5)
+    root.toList = Listbox(root, width=20, height=len(currencyList), exportselection=False,
+                          bg="snow3")
+    root.toList.grid(row=3, column=2, columnspan=2, padx=5, pady=5)
+
+    # Populating the ListBox with the currencies values from currencyList
+    for c in range(len(currencyList)):
+        root.toList.insert(c, currencyList[c])
+    # Binding onToCurrencySelect() event to the ListBox Widget
+    root.toList.bind('<<ListboxSelect>>', onToCurrencySelect)
+
+    convertButton = Button(root, text="CONVERT", width=25, command=Convert)
+    convertButton.grid(row=4, column=0, columnspan=3, padx=5, pady=5)
+
+    exrateLabel = Label(root, text="EXCHANGE RATE : ",bg="deepskyblue4")
+    exrateLabel.grid(row=5, column=0, padx=5, pady=5, columnspan=2)
+    root.exrate = Label(root, width=14, font=('',20), bg='snow3',  justify="center")
+    root.exrate.grid(row=5, column=2, padx=5, pady=5)
+
+    outputLabel = Label(root, text="CONVERTED AMOUNT:", bg="deepskyblue4")
+    outputLabel.grid(row=6, column=0,padx=5, pady=5, columnspan=2)
+    root.outputAMT = Label(root, width=14, font=('',20), bg="snow3", justify="center")
+    root.outputAMT.grid(row=6, column=2, padx=5, pady=5, columnspan=2)
+
+# Defining onFromCurrencySelect() to fetch the currency selected from the ListBox
+# and store it fromCurrecny variable
+def onFromCurrencySelect(evt):
+    fromCurrencySelection = root.fromList.get(root.fromList.curselection())
+    fromCurrency.set(fromCurrencySelection)
+
+# Defining onToCurrencySelect() to fetch the currency selected from the ListBox
+# and store it toCurrency variable
+def onToCurrencySelect(evt):
+    toCurrencySelection = root.toList.get(root.toList.curselection())
+    toCurrency.set(toCurrencySelection)
+
+# Defining Convert() function for converting the curreny
+def Convert():
+    # Fetching & storing user-inputs in resepective variables
+    # Converting user-input amount which is a string into float type
+    inputAmt = float(getAMT.get())
+    f_Currency = fromCurrency.get()
+    t_Currency = toCurrency.get()
+
+    # Storing the API Key from https://www.alphavantage.co/
+    apiKey = "YOUR API KEY"
+    # Storing the base URL
+    baseURL = r"https://www.alphavantage.co/query?function=CURRENCY_EXCHANGE_RATE"
+    # Storing the complete URL
+    inputURL = baseURL+"&from_currency="+f_Currency+"&to_currency="+t_Currency+"&apikey="+apiKey
+
+    # Sending the request to URL & Fetching and Storing the response in response variable
+    response = requests.get(inputURL)
+    # Returning the JSON object of the response and storing it in result
+    result = response.json()
+    print(json.dumps(result, indent=2))
+
+    # Getting the exchange rate (Required Information)
+    exchangeRate = float(result["Realtime Currency Exchange Rate"]['5. Exchange Rate'])
+
+    # Displaying exchange rate in respective label after rounding to 2 decimal places
+    root.exrate.config(text=str(round(exchangeRate, 2)))
+
+    # Calculating the converted amount and rounding the decimal to 2 places
+    calculateAmt = round(inputAmt * exchangeRate, 2)
+    # Displaying the converted amount in the respective label
+    root.outputAMT.config(text=str(calculateAmt))
+
+# Creating object of tk class
+root = tk.Tk()
+
+# Setting title, background color & size of tkinter window
+# & disabling the resizing property
+root.geometry("450x400")
+root.resizable(False, False)
+root.title("PythonCurrenyConverter")
+root.config(bg = "deepskyblue4")
+
+# Creating tkinter variables
+getAMT = StringVar()
+fromCurrency = StringVar()
+toCurrency = StringVar()
+
+# Calling the CreateWidgets() function
+CreateWidgets()
+
+# Defining infinite loop to run application
+root.mainloop()