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Created October 14, 2020 10:55
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image tweet with S3 in Lambda
import os
import sys
import uuid
import boto3
import tweepy
from urllib.parse import unquote_plus
# Twitter authentication variables
consumer_key = os.environ.get('TWITTER_CONSUMER_KEY', 'ap-northeast-1')
consumer_secret = os.environ.get('TWITTER_CONSUMER_SECRET', 'ap-northeast-1')
access_token = os.environ.get('TWITTER_ACCESS_TOKEN', 'ap-northeast-1')
access_secret = os.environ.get('TWITTER_ACCESS_SECRET', 'ap-northeast-1')
def tweet_with_image(path):
try:
auth = tweepy.OAuthHandler(consumer_key, consumer_secret)
auth.set_access_token(access_token, access_secret)
api = tweepy.API(auth)
if os.path.exists(path):
api.update_with_media(filename=path)
else:
print('empty tweet')
except Exception as e:
print(e)
raise e
def lambda_handler(event, context):
for record in event['Records']:
bucket = record['s3']['bucket']['name'] # retrieve bucket name from record
key = unquote_plus(record['s3']['object']['key']
splitkey = key.split('/') # split folder name and key name
download_path = '/tmp/{}-{}'.format(uuid.uuid4(), splitkey[1])
s3_client.download_file(bucket, key, download_path)
# tweet a post with downloaded image
tweet_with_image(download_path)
# call lambda_hander
if __name__ == "__main__":
lambda_handler(json.loads(sys.argv[1]), {})
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