AWS LambdaとServerless Frameworkで爆速で作るTwitterbot

gkz@localhost ~$ git clone https://github.com/gkzz/lambda_twbot.git \
&& cd lambda_twbot

gkz@localhost ~$ aws configure

[default]
region = ap-northeast-1
output = json

[default]
aws_access_key_id = xxxxxxxxxxx
aws_secret_access_key = yyyyyyyyyyyyy

gkz@localhost ~$ sudo npm install -g serverless
gkz@localhost ~$ serverless create \
> --template aws-python3 \
> --name src \
> --path src
Serverless: Generating boilerplate...

(略)

 _______                             __
|   _   .-----.----.--.--.-----.----|  .-----.-----.-----.
|   |___|  -__|   _|  |  |  -__|   _|  |  -__|__ --|__ --|
|____   |_____|__|  \___/|_____|__| |__|_____|_____|_____|
|   |   |             The Serverless Application Framework
|       |                           serverless.com, v1.60.4
 -------'

Serverless: Successfully generated boilerplate for template: "aws-python3"

gkz@localhost ~$ sudo npm install --save serverless-python-requirements

gkz@localhost ~$ cat src/handler.py.tmpl > src/handler.py
gkz@localhost ~$ cat config/.env.tmpl > config/.env
gkz@localhost ~$ tree -L 2
.
└── src                    # プロジェクトフォルダ
    ├── 37                 # python -m venv $nameで作ったpython3.7の仮想環境の名称
    ├── config             # .envなど変数が記載されたファイルの親ディレクトリ
    ├── handler.py         # lambdaの実行関数
    ├── node_modules
    ├── package.json
    ├── package-lock.json
    ├── __pycache__
    ├── requirements.txt   # tweepyなど必要なライブラリが記載
    ├── serverless.yml     # lambdaをローカル開発環境からデプロイするのに使う
    └── serverless.yml.org # プロジェクトフォルダを作る際に生成されたserverless.ymlのサンプルファイル

5 directories, 6 files

service:srccustom:dotenv:basePath:./config/# ./lambda_twbot/src/.config/stage:${env:STAGE}# basepath/.envから環境変数STAGEを読み込むregion:${env:REGION}　# 同様に環境変数REGIONを読み込むpythonRequirements:dockerizePip:non-linuxprovider:name:awsruntime:python3.7stage:${self:custom.stage}region:${self:custom.region}plugins:-serverless-python-requirements-serverless-dotenv-plugin-serverless-offlinefunctions:rtweet:handler:handler.rtweet# $filename.$function(handler.pyのrtweet関数を実行)memorySize:256timeout:90sevents:-schedule:cron(0/20 * * * ? *)# 毎日20分おきfav:handler:handler.favmemorySize:256timeout:90sevents:-schedule:cron(0/600 * * * ? *)　# 毎日600分おき

# coding: UTF-8
try:importunzip_requirementsexceptImportError:passimporttweepyimporttimeimportosimportrandomimporttracebackdef_set_token():""" set twitter token """CK=os.environ['CONSUMER_KEY']CS=os.environ['CONSUMER_SECRET']AT=os.environ['ACCESS_TOKEN']AS=os.environ['ACCESS_TOKEN_SECRET']auth=tweepy.OAuthHandler(CK,CS)auth.set_access_token(AT,AS)returntweepy.API(auth)def_find_tweet(token):found=[]kws=['#python 本','#lambda　楽しい',]forkwinkws:fortweetintweepy.Cursor(token.search,kw).items(5):found.append(tweet)returnfounddefrtweet(event,context):""" entry point of rtweet """counter=0token=_set_token()tweets=_find_tweet(token)fortweetintweets:try:#print('\nRetweet Bot found tweet by @' + tweet.user.screen_name + '. ' + 'Attempting to retweet.')
tweet.retweet()logger.info(tweet.retweet())counter+=1#print('Retweet published successfully.')
# Where sleep(10), sleep is measured in seconds.
# Change 10 to amount of seconds you want to have in-between retweets.
# Read Twitter's rules on automation. Don't spam!
time.sleep(random.randint(2,5))# Some basic error handling. Will print out why retweet failed, into your terminal.
excepttweepy.TweepErroraserror:print('''Retweet not successful. 
            Reason: {r}
            '''.format(r=error.reason))exceptStopIteration:print(traceback.format_exc())breakreturn"RtweetConts: {num}".format(num=counter)deffav(event,context):""" entry point of fav """counter=0token=_set_token()tweets=_find_tweet(token)fortweetintweets:try:tweet.favorite()# Where sleep(10), sleep is measured in seconds.
# Change 10 to amount of seconds you want to have in-between retweets.
# Read Twitter's rules on automation. Don't spam!
time.sleep(random.randint(2,5))# Some basic error handling. Will print out why retweet failed, into your terminal.
excepttweepy.TweepErroraserror:print('''Fav not successful. 
            Reason: {r}
            '''.format(r=error.reason))exceptStopIteration:print(traceback.format_exc())breakreturn"FavConts: {num}".format(num=counter)#if __name__ == "__main__":
#    rtweet('', '')

certifi==2019.11.28
chardet==3.0.4
idna==2.8
oauthlib==3.1.0
PySocks==1.7.1
requests==2.22.0
requests-oauthlib==1.3.0
six==1.13.0
tweepy==3.8.0
urllib3==1.25.7

gkz@localhost ~$ python3.7 -m venv 37 && \
> source 37/bin/activate \
> pip install -r requirements.txt 
gkz@localhost ~$ serverless invoke local --function rtweet
gkz@localhost ~$ serverless invoke local --f fav

gkz@localhost ~$ serverless deploy -v
gkz@localhost ~$ sls deploy -v

gkz@localhost ~$ serverless remove
gkz@localhost ~$ sls remove