app.py

from flask import Flask,request,jsonify
import requests
from bs4 import BeautifulSoup

app = Flask(__name__)

star_ratings = [[0,1399,1],[1400,1599,2],[1600,1799,3],[1800,1999,4],[2000,2199,5],[2200,2499,6],[2500,3000,7]]

def codechef(username):
	#user = input("USERNAME : ")
	#print("finding...")
	global star_ratings
	url = "https://codechef.com/users/{}".format(username)
	page = requests.post(url)
	soup = BeautifulSoup(page.content, 'html.parser')
	rating= soup.find('div',class_='rating-number')
	RatingsRankings = soup.find('div',class_='rating-ranks')
	AllRank = RatingsRankings.find_all('strong')

	GlobalRank = AllRank[0].text
	CountryRank = AllRank[1].text
	Rating = rating.text

	STAR = 0  #star rating 

	print("Global Rank : ",GlobalRank)
	print("Country Rank : ",CountryRank)
	print("Rating : ",Rating)

	if int(rating.text)>3000:
	    print("Stars : ",7)
	    STAR = "7"
	else:
	    for i in star_ratings:
	        if int(rating.text) in range(i[0],i[1]):
	            print("Stars : ",i[2])
	            STAR = i[2]

	data = {
	'global_rank':GlobalRank,
	'country_rank':CountryRank,
	'rating':Rating,
	'stars':STAR
	}

	return data


@app.route('/codechef',methods=['POST','GET'])
def get_codechef():
	try:
		username = request.form.get('username')
		return jsonify(codechef(username))
	except:
		try:
			username = request.args.get('username')
			return jsonify(codechef(username))
		except:
			return jsonify({"ERROR":"INVL METHOD / WRONG PARAMETERS / USERNAME NOT FOUND"})

#ERROR HANDLING

#404
@app.errorhandler(404)
def pg404(e):
	dt = {
	"ERROR" : "404",
	"AVL" : "['/codechef']"
	}
	return jsonify(dt)

#500
@app.errorhandler(500)
def pg500(e):
	dt = {
	"ERROR" : "505",
	"AVL" : "['/codechef']"
	}
	return jsonify(dt)