/
app.py
62 lines (49 loc) · 1.61 KB
/
app.py
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from flask import Flask, request, abort
from translator import Translator
from linebot import (
LineBotApi, WebhookHandler
)
from linebot.exceptions import (
InvalidSignatureError
)
from linebot.models import (
MessageEvent, TextMessage, TextSendMessage,
)
import os
app = Flask(__name__)
translator = Translator()
line_bot_api = LineBotApi(os.environ['YOUR_CHANNEL_ACCESS_TOKEN'])
handler = WebhookHandler(os.environ['YOUR_CHANNEL_SECRET'])
@app.route("/callback", methods=['POST'])
def callback():
# get X-Line-Signature header value
signature = request.headers['X-Line-Signature']
# get request body as text
body = request.get_data(as_text=True)
app.logger.info("Request body: " + body)
# handle webhook body
try:
handler.handle(body, signature)
except InvalidSignatureError:
print("Invalid signature. Please check your channel access token/channel secret.")
abort(400)
return 'OK'
def handle_translation(message):
translator = Translator()
translator.detect_language(message)
result = None
try:
result = translator.translate_text_with_model(
translator.target_language, message)
except:
result = 'Sorry cannnot translate your message'
return result
@handler.add(MessageEvent, message=TextMessage)
def handle_message(event):
translated_result = handle_translation(event.message.text)
line_bot_api.reply_message(
event.reply_token,
TextSendMessage(text=translated_result))
if __name__ == "__main__":
port = int(os.environ.get('PORT', 5000))
app.run(host='0.0.0.0', port=port)