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Application to get live USD/INR rate Using Python

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  • Last Updated : 04 Dec, 2021
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In this article, we are going to write a python scripts to get live information of USD/INR rate and bind with it GUI application.

Modules Required:

  • bs4: Beautiful Soup is a Python library for pulling data out of HTML and XML files.

Installation:

pip install bs4
  • requests: This module allows you to send HTTP/1.1 requests very easily.

Installation:

pip install requests

Step-by-step Approach:

  • Extract data from the given URL. Copy the URL, after selecting the desired location.
  • Scrape the data with the help of requests and the Beautiful Soup module.
  • Convert that data into HTML code.
  • Find the required details and filter them.

Implementation:

Step 1: Import all the modules required.

Python3




# Import required modules
import requests
from bs4 import BeautifulSoup

 
Step 2: Create a URL get function 

Python3




# Function to extract html data
def getdata(url):
    r=requests.get(url)
    return r.text

 
Step 3: Now pass the URL into the getdata() function and convert that data(currency details) into HTML code.

The URL used here is https://finance.yahoo.com/quote/usdinr=X?ltr=1 

Python3




# Extract and convert
soup = BeautifulSoup(htmldata, 'html.parser')
result = (soup.find_all("div", class_="D(ib) Va(m) Maw(65%) Ov(h)")

Output:

Step 4: Filter the currency details and quality(increment/decrement) according to the given data.

Python3




mydatastr = ''
 
# Filter converted data
for table in soup.find_all("div", class_="D(ib) Va(m) Maw(65%) Ov(h)"):
    mydatastr += table.get_text()
 
# Display output
print(mydatastr)

Output:

'73.2610-0.2790 (-0.38%)As of  3:30PM BST. Market open.'

Below is the complete program implemented using tkinter module.

Python




# Import required modules
from tkinter import *
import requests
from bs4 import BeautifulSoup
 
 
 
# user defined function
# to extract currency details
def getdata(url):
    r = requests.get(url)
    return r.text
 
   
   
# Function to compute and display currency detalis
def get_info():
    try:
        htmldata = getdata("https://finance.yahoo.com/quote/usdinr=X?ltr=1")
        soup = BeautifulSoup(htmldata, 'html.parser')
        mydatastr = ''
        for table in soup.find_all("div", class_="D(ib) Va(m) Maw(65%) Ov(h)"):
            mydatastr += table.get_text()
        list_data = mydatastr.split()
        temp = list_data[0].split("-")
        rate.set(temp[0])
        inc.set(temp[1])
        per_rate.set(list_data[1])
        time.set(list_data[3])
        result.set("success")
    except:
        result.set("Opps! something wrong")
 
 
 
# Driver Code       
# Create tkinter object
master = Tk()
 
# Set background color
master.configure(bg='light grey')
 
# Variable Classes in tkinter
result = StringVar()
rate = StringVar()
per_rate = StringVar()
time = StringVar()
inc = StringVar()
 
# Creating label for each information
Label(master, text="Status :", bg="light grey").grid(row=2, sticky=W)
Label(master, text="Current rate of INR :",
      bg="light grey").grid(row=3, sticky=W)
Label(master, text="Increase/decrease by :",
      bg="light grey").grid(row=4, sticky=W)
Label(master, text="Rate change :", bg="light grey").grid(row=5, sticky=W)
Label(master, text="Rate of time :", bg="light grey").grid(row=6, sticky=W)
 
# Creating label for class variable
Label(master, text="", textvariable=result,
      bg="light grey").grid(row=2, column=1, sticky=W)
Label(master, text="", textvariable=rate,
      bg="light grey").grid(row=3, column=1, sticky=W)
Label(master, text="", textvariable=inc, bg="light grey").grid(
    row=4, column=1, sticky=W)
Label(master, text="", textvariable=per_rate,
      bg="light grey").grid(row=5, column=1, sticky=W)
Label(master, text="", textvariable=time,
      bg="light grey").grid(row=6, column=1, sticky=W)
 
# Create submit button
b = Button(master, text="Show", command=get_info, bg="Blue").grid(row=0)
 
mainloop()

Output:


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