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import tempfile
import time
from gtts import gTTS
import streamlit as st
# Import translation library with fallback
try:
from googletrans import Translator
TRANSLATOR_AVAILABLE = True
except ImportError:
TRANSLATOR_AVAILABLE = False
# Fallback translation using requests
import requests
import json
class TranslationAgent:
def __init__(self):
if TRANSLATOR_AVAILABLE:
self.translator = Translator()
else:
self.translator = None
self.languages = {
'en': 'English',
'es': 'Spanish',
'fr': 'French',
'de': 'German',
'it': 'Italian',
'pt': 'Portuguese',
'ru': 'Russian',
'zh': 'Chinese',
'ja': 'Japanese',
'ko': 'Korean',
'ar': 'Arabic',
'hi': 'Hindi',
'tr': 'Turkish',
'pl': 'Polish',
'nl': 'Dutch',
'sv': 'Swedish',
'da': 'Danish',
'no': 'Norwegian',
'fi': 'Finnish',
'cs': 'Czech',
'hu': 'Hungarian',
'ro': 'Romanian',
'bg': 'Bulgarian',
'hr': 'Croatian',
'sk': 'Slovak',
'sl': 'Slovenian',
'et': 'Estonian',
'lv': 'Latvian',
'lt': 'Lithuanian',
'mt': 'Maltese',
'ga': 'Irish',
'cy': 'Welsh',
'eu': 'Basque',
'ca': 'Catalan',
'gl': 'Galician',
'is': 'Icelandic',
'mk': 'Macedonian',
'sq': 'Albanian',
'be': 'Belarusian',
'uk': 'Ukrainian',
'he': 'Hebrew',
'th': 'Thai',
'vi': 'Vietnamese',
'id': 'Indonesian',
'ms': 'Malay',
'tl': 'Filipino',
'sw': 'Swahili',
'am': 'Amharic',
'bn': 'Bengali',
'gu': 'Gujarati',
'kn': 'Kannada',
'ml': 'Malayalam',
'mr': 'Marathi',
'ne': 'Nepali',
'or': 'Odia',
'pa': 'Punjabi',
'si': 'Sinhala',
'ta': 'Tamil',
'te': 'Telugu',
'ur': 'Urdu',
'my': 'Myanmar',
'km': 'Khmer',
'lo': 'Lao',
'ka': 'Georgian',
'hy': 'Armenian',
'az': 'Azerbaijani',
'kk': 'Kazakh',
'ky': 'Kyrgyz',
'mn': 'Mongolian',
'tg': 'Tajik',
'tk': 'Turkmen',
'uz': 'Uzbek',
'fa': 'Persian',
'ps': 'Pashto',
'sd': 'Sindhi',
'so': 'Somali',
'xh': 'Xhosa',
'zu': 'Zulu',
'af': 'Afrikaans'
}
# TTS language mapping for compatibility
self.tts_map = {
'zh': 'zh-cn',
'or': 'hi',
'ps': 'fa',
'sd': 'ur',
'ky': 'ru',
'kk': 'ru',
'tg': 'ru',
'tk': 'ru',
'uz': 'ru',
'am': 'ar',
'my': 'th',
'km': 'th',
'lo': 'th',
}
def translate_with_googletrans(self, text, source_lang=None, target_lang='en'):
"""Try translation with googletrans library"""
try:
if source_lang:
result = self.translator.translate(text, src=source_lang, dest=target_lang)
else:
result = self.translator.translate(text, dest=target_lang)
return {
'translated_text': result.text,
'detected_language': result.src,
'target_language': target_lang,
'original_text': text
}
except Exception as e:
raise Exception(f"GoogleTrans failed: {str(e)}")
def translate_with_api(self, text, source_lang=None, target_lang='en'):
"""Fallback translation using direct API"""
try:
base_url = "https://translate.googleapis.com/translate_a/single"
params = {
'client': 'gtx',
'sl': source_lang if source_lang else 'auto',
'tl': target_lang,
'dt': 't',
'q': text
}
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
}
response = requests.get(base_url, params=params, headers=headers, timeout=10)
response.raise_for_status()
result = response.json()
translated_text = ""
if result and len(result) > 0 and result[0]:
for sentence in result[0]:
if sentence and sentence[0]:
translated_text += sentence[0]
detected_lang = result[2] if len(result) > 2 else (source_lang or 'auto')
return {
'translated_text': translated_text if translated_text.strip() else text,
'detected_language': detected_lang,
'target_language': target_lang,
'original_text': text
}
except Exception as e:
raise Exception(f"API translation failed: {str(e)}")
def translate_text(self, text, source_lang=None, target_lang='en'):
"""
Translate text with multiple fallbacks
"""
# Try googletrans first
if TRANSLATOR_AVAILABLE and self.translator:
try:
return self.translate_with_googletrans(text, source_lang, target_lang)
except:
pass
# Try direct API
try:
return self.translate_with_api(text, source_lang, target_lang)
except:
pass
# Final fallback - return original text
return {
'translated_text': text,
'detected_language': source_lang or 'auto',
'target_language': target_lang,
'original_text': text
}
def text_to_speech(self, text, language='en'):
"""
Convert text to speech with fallbacks
"""
try:
# Map language for TTS compatibility
tts_lang = self.tts_map.get(language, language)
# Try primary language
tts = gTTS(text=text, lang=tts_lang, slow=False)
temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.mp3')
temp_file.close()
tts.save(temp_file.name)
return temp_file.name
except Exception as e:
# Fallback to English if original fails
try:
if language != 'en':
tts = gTTS(text=text, lang='en', slow=False)
temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.mp3')
temp_file.close()
tts.save(temp_file.name)
return temp_file.name
else:
raise e
except:
raise Exception(f"Text-to-speech failed: {str(e)}")
def translate_and_speak(self, text, source_lang=None, target_lang='en'):
"""
Complete workflow: translate text and generate speech
"""
try:
# Step 1: Translate text
translation_result = self.translate_text(text, source_lang, target_lang)
# Step 2: Convert translated text to speech
audio_file = self.text_to_speech(
translation_result['translated_text'],
target_lang
)
# Step 3: Return complete result
return {
'original_text': text,
'translated_text': translation_result['translated_text'],
'detected_language': translation_result['detected_language'],
'target_language': target_lang,
'audio_file': audio_file
}
except Exception as e:
raise Exception(f"Translation and speech generation failed: {str(e)}")
def get_supported_languages(self):
"""Get supported languages"""
return self.languages.copy()
def cleanup_temp_files(self, file_path):
"""Clean up temporary files"""
try:
if os.path.exists(file_path):
os.unlink(file_path)
except:
pass |