app.py

import requests, os, uuid, json
from dotenv import load_dotenv

load_dotenv()
from flask import Flask, render_template, request

app = Flask(__name__)


@app.route("/", methods=["GET"])
def index():
    return render_template("index.html")


@app.route("/", methods=["POST"])
def index_post():
    # Read the values from the form
    original_text = request.form["text"]
    target_language = request.form["language"]

    # Load the values from .env
    key = os.environ["KEY"]
    endpoint = os.environ["ENDPOINT"]
    location = os.environ["LOCATION"]

    # Indicate that we want to translate and the API version (3.0) and the target language
    path = "/translate?api-version=3.0"
    # Add the target language parameter
    target_language_parameter = "&to=" + target_language
    # Create the full URL
    constructed_url = endpoint + path + target_language_parameter

    # Set up the header information, which includes our subscription key
    headers = {
        "Ocp-Apim-Subscription-Key": key,
        "Ocp-Apim-Subscription-Region": location,
        "Content-type": "application/json",
        "X-ClientTraceId": str(uuid.uuid4()),
    }

    # Create the body of the request with the text to be translated
    body = [{"text": original_text}]

    # Make the call using post
    translator_request = requests.post(constructed_url, headers=headers, json=body)
    # Retrieve the JSON response
    translator_response = translator_request.json()
    # Retrieve the translation
    translated_text = translator_response[0]["translations"][0]["text"]

    # Call render template, passing the translated text,
    # original text, and target language to the template
    return render_template(
        "results.html",
        translated_text=translated_text,
        original_text=original_text,
        target_language=target_language,
    )