for webinar

example.py

import boto3
import base64
from chalice import Chalice


app = Chalice(app_name='example1')


@app.on_s3_event(bucket='rekogvtug')
def handler(event):
    print("Object uploaded for bucket: %s, key: %s" % (event.bucket, event.key))
    
    #Python code for Rekognition
    fileName=event.key
    bucket=event.bucket
    client=boto3.client('rekognition')
    response = client.detect_labels(Image={'S3Object':{'Bucket':event.bucket,'Name':event.key}})
    print('Detected labels for ' + event.key)
    for label in response['Labels']:
                print (label['Name'] + ' : ' + str(label['Confidence']))


@app.route('/sms', methods=['POST'])
def results():
    client =boto3.client('rekognition')
    resp = MessagingResponse()
    if request.form['NumMedia'] != '0':
        image_url = request.form['MediaUrl0']
        response = client.detect_labels(Image={'Bytes':base64.b64encode(requests.get(url).content)})
        for label in response['Labels']:
            resp.message('n'.join(label['Name']))
    else:
        resp.message('Please send an image.')
    print(str(resp))
    return str(resp)