Create currency_converter.py

Author: grapeJUICE1

Diff for: currency_converter.py

@@ -0,0 +1,81 @@
+#import modules
+from tkinter import *
+import requests
+import json
+from bs4 import BeautifulSoup
+
+#scraping currency code and exchange rate from "https://www.iban.com/exchange-rates"
+currency_codes_url = "https://www.iban.com/exchange-rates";
+currency_codes_url_res = BeautifulSoup(requests.get(currency_codes_url).content , 'html.parser')
+currencyNameToSymbolHtml = currency_codes_url_res.tbody.find_all('tr')
+
+#declaring dicts
+currencyNameToSymbol = {}
+currencySymbolWithEuroExchangeRate = {}
+
+#getting country name,symbol,and rate in euro and mapping them to the dicts
+for currencyInf in currencyNameToSymbolHtml:
+    currencyInfList = list(currencyInf.find_all('td'))
+    currencyName   = str(currencyInfList[1].string);
+    currencySymbol = currencyInfList[0].img.next_sibling.strip();
+    currencyInEuro = float(currencyInfList[2].string)
+
+    currencyNameToSymbol[currencyName] = currencySymbol
+    currencySymbolWithEuroExchangeRate[currencyName] = currencyInEuro
+
+
+
+
+#configuring tkinter
+top = Tk()
+top.geometry("450x250")
+top.configure(bg='#222831')
+
+#making the dropdown menus for choosing currencies
+BASE_OPTIONS = list(currencyNameToSymbol.keys())
+TO_OPTIONS = list(currencyNameToSymbol.keys())
+
+base = StringVar(top)
+base.set(BASE_OPTIONS[0]) # default value
+
+to = StringVar(top)
+to.set(TO_OPTIONS[0]) # default value
+
+baseOptionsMenu = OptionMenu(top, base, *BASE_OPTIONS)
+toOptionsMenu = OptionMenu(top, to, *TO_OPTIONS)
+resultLabel = Label(top,bg='#222831' , foreground='#fff')
+
+#making a number only entry
+def callback(P):
+    if str.isdigit(P) or P == "":
+        return True
+    else:
+        return False
+
+vcmd = (top.register(callback))
+amountInput = Entry(top ,validate='all', validatecommand=(vcmd, '%P'))
+
+
+baseOptionsMenu.configure(width=15 , height=2,bg='#1f6f8b')
+toOptionsMenu.configure(width=15 , height=2,bg='#1f6f8b')
+
+#placing the widgets in the screen using grid
+baseOptionsMenu.grid(row=1 , column=3 , pady=(250//2 - 70 , 5) , padx=(10 ,10))
+toOptionsMenu.grid(row=1 , column=5 , pady=(250//2 - 70 , 5) , padx=(10 ,10))
+amountInput.grid(row=1 , column=4 , pady=(250//2 - 70 , 5))
+resultLabel.grid(row=2 , column=4)
+
+#function to calculate result
+def returnResult():
+
+    baseInEuro = currencySymbolWithEuroExchangeRate[base.get()]
+    toInEuro = currencySymbolWithEuroExchangeRate[to.get()]
+
+    result = (float(toInEuro) / float(baseInEuro))* int(amountInput.get())
+    resultLabel['text'] = f'{currencyNameToSymbol[to.get()]} {result}'
+
+button = Button(top, text="Convert", command=returnResult , width=7 , height=1,bg="#ff4d4d")
+button.grid(row=3 , column=4,padx=(0 ,10) , pady=(10))
+
+#mainloop
+mainloop()