1. from flask import Flask, request, abort
2.  
3. from linebot import (
4.     LineBotApi, WebhookHandler
5. )
6. from linebot.exceptions import (
7.     InvalidSignatureError
8. )
9. from linebot.models import (
10.     MessageEvent, TextMessage, TextSendMessage,
11. )
12.  
13. app = Flask(__name__)
14.  
15. line_bot_api = LineBotApi('')
16. handler = WebhookHandler('')
17.  
18.  
19. @app.route("/callback", methods=['POST'])
20. def callback():
21.     # get X-Line-Signature header value
22.     signature = request.headers['X-Line-Signature']
23.  
24.     # get request body as text
25.     body = request.get_data(as_text=True)
26.     app.logger.info("Request body: " + body)
27.  
28.     # handle webhook body
29.     try:
30.         handler.handle(body, signature)
31.     except InvalidSignatureError:
32.         print("Invalid signature. Please check your channel access token/channel secret.")
33.         abort(400)
34.  
35.     return 'OK'
36.  
37.  
38. @handler.add(MessageEvent, message=TextMessage)
39. def handle_message(event):
40.     line_bot_api.reply_message(
41.         event.reply_token,
42.         TextSendMessage(text=event.message.text))
43.  
44. '''
45.  
46. 當用戶發照片的時候，將用戶照片從line上下載回來，存到本地端
47. line_bot_api get content python
48.  
49. '''
50. from linebot.models import  ImageMessage
51. import boto3
52. @handler.add(MessageEvent,message=ImageMessage)
53. def handle_image_message(event):
54.  
55.     # 麻煩line_bot_api去跟line要照片回來，並且存回本地端
56.     message_content = line_bot_api.get_message_content(event.message.id)
57.     file_name= event.message.id +'.jpg'
58.  
59.     with open(file_name, 'wb') as fd:
60.         for chunk in message_content.iter_content():
61.             fd.write(chunk)
62.  
63.     '''
64.         用python的套件boto3將圖片上傳到S3
65.         python boto3 upload object to s3
66.     '''
67.     s3_client= boto3.client('s3')
68.     # s3_client.upload_file(file_name, bucket, object_name)
69.     s3_client.upload_file(file_name,'iii-tutorial-v2','student99/'+file_name)
70.  
71.     '''
72.         未來做圖片分析
73.     '''
74.  
75.  
76.     line_bot_api.reply_message(
77.         event.reply_token,
78.         TextSendMessage(text="已收到圖片"))
79.  
80.  
81. if __name__ == "__main__":
82.     app.run('0.0.0.0',port=28888)