Translate CSV Table Column with DeepL

main.py

import requests
import pandas as pd

def translate_text(text, target_language, api_key):
    url = "https://api.deepl.com/v2/translate"
    params = {
        "auth_key": api_key,
        "text": text,
        "target_lang": target_language
    }
    response = requests.get(url, params=params)
    if response.status_code == 200:
        return response.json()['translations'][0]['text']
    else:
        # Error handling
        print(f"Error in translation API: {response.status_code} - {response.text}")
        return text

def translate_csv(input_csv_path, output_csv_path, target_language, api_key):
    df = pd.read_csv(input_csv_path)
    
    # Translate only the 'title' column
    df['translated_title'] = df['title'].apply(lambda text: translate_text(text, target_language, api_key) if pd.notnull(text) else text)
    
    # Write to new CSV, preserving format
    df.to_csv(output_csv_path, index=False)

api_key = ""  # Replace with your DeepL API key
input_csv_path = "input.csv"  # Path to your input CSV
output_csv_path = "output.csv"  # Path for the translated CSV
target_language = "DE"  # Target language code (e.g., "DE" for German)

translate_csv(input_csv_path, output_csv_path, target_language, api_key)