En to bn all page my site

import pywikibot
from googletrans import Translator  # Install googletrans==4.0.0-rc1 for compatibility
import time

# Initialize translator
translator = Translator()

# Configure your wiki
site = pywikibot.Site('bn', 'wikipedia')  # Target site for Bangla content
site.login()

def translate_and_save_all_pages(source_lang='en', target_lang='bn'):
    """
    Translate and save all pages from English to Bangla, including titles.
    
    Args:
        source_lang (str): Source language code (default 'en' for English).
        target_lang (str): Target language code (default 'bn' for Bangla).
    """
    # Iterate over all pages in the English Wikipedia
    for page in pywikibot.Page(site, 'Main_Page').site.allpages():
        print(f"Processing page: {page.title()}")

        # Translate page title
        try:
            translated_title = translator.translate(page.title(), src=source_lang, dest=target_lang).text
            if not translated_title:
                print(f"Translation returned empty title for '{page.title()}', skipping.")
                continue
        except Exception as e:
            print(f"Translation failed for title '{page.title()}': {e}")
            continue

        # Check if the page has content
        if not page.text.strip():
            print(f"Page '{page.title()}' is empty, skipping.")
            continue

        # Translate page content
        try:
            translated_text = translator.translate(page.text, src=source_lang, dest=target_lang).text
            if not translated_text:
                print(f"Translation returned empty text for '{page.title()}', skipping.")
                continue
        except Exception as e:
            print(f"Translation failed for '{page.title()}': {e}")
            continue

        # Create or update a new page for the translated content
        translated_page_title = translated_title
        translated_page = pywikibot.Page(site, translated_page_title)

        try:
            if translated_page.exists():
                print(f"Page '{translated_page_title}' exists. Updating content.")
            else:
                print(f"Page '{translated_page_title}' does not exist. Creating new page.")
            
            translated_page.text = translated_text
            translated_page.save(summary=f"Translated from English to Bangla (title and content) using Pywikibot and Google Translate")
            print(f"Page '{translated_page_title}' updated successfully.")
        except Exception as e:
            print(f"Error saving page '{translated_page_title}': {e}")
        
        # Add delay to avoid rate limiting
        time.sleep(5)

# Example usage: Translate and save all pages from English to Bangla
translate_and_save_all_pages(source_lang='en', target_lang='bn')