app.py

from flask import Flask, request
from flask_restful import Resource, Api

app = Flask(__name__)
api = Api(app)

class Home(Resource):
    def get(self):
        return {'version': '1.0'}

class ConvertTemp(Resource):
    def get(self):
        # Get arguments from query parameters
        temp = float(request.args.get('temp'))
        scale = request.args.get('scale').lower()
        target_scale = request.args.get('target_scale').lower()

        # Perform temperature conversion
        converted_temp = self.convert_temperature(temp, scale, target_scale)
        
        if converted_temp is None:
            return {'error': 'Invalid scale or target scale'}, 400

        return {'converted_temp': converted_temp, 'target_scale': target_scale}

    def convert_temperature(self, temp, scale, target_scale):
        # Conversion logic
        if scale == target_scale:
            return temp

        if scale == 'celsius':
            if target_scale == 'fahrenheit':
                return temp * 9/5 + 32
            elif target_scale == 'kelvin':
                return temp + 273.15

        elif scale == 'fahrenheit':
            if target_scale == 'celsius':
                return (temp - 32) * 5/9
            elif target_scale == 'kelvin':
                return (temp - 32) * 5/9 + 273.15

        elif scale == 'kelvin':
            if target_scale == 'celsius':
                return temp - 273.15
            elif target_scale == 'fahrenheit':
                return (temp - 273.15) * 9/5 + 32

        # If scales are invalid
        return None

api.add_resource(Home, '/')
api.add_resource(ConvertTemp, '/convert-temp')

if __name__ == '__main__':
    app.run(debug=True)