[DE 프로젝트: 음악 추천 챗봇 'Sixpotify'] 3. AWS DynamoDB

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AWS 활용 클라우드 환경 데이터 파이프라인 구축 및 음악 추천 챗봇 프로젝트: 스포티파이 API를 통해 AWS DynamoDB에 저장

NoSQL

파티션

  • 데이터 관리 및 파티션 등 다양한 이유로 데이터를 나누는 일이다.

스크린샷 2021-10-04 04 02 26

버티컬(Vertical) 파티션

  • 버티컬 파티션은 테이블을 더 작은 테이블로 나누는 작업으로써 노멀라이제이션(Normalization) 후에도 경우에 따라 컬럼을 나누는 파티션 작업을 한다.

스크린샷 2021-10-04 04 10 26

호리젠탈(Horizontal) 파티션

  • 스키마나 스트럭쳐 자체를 복사하여 데이터를 샤딩 키(Sharded Key)로 분리한다.

스크린샷 2021-10-04 04 10 54

DynamoDB

AWS 테이블 생성

스크린샷 2021-10-04 14 37 33

연결 및 저장

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import sys
import os
import boto3
import requests
import base64
import json
import psycopg2
import logging

client_id = ""
client_secret = ""

host = "spotify2.cjwptwa04yyi.ap-northeast-2.rds.amazonaws.com"
port = 5432
username = "sixmini"
database = "postgres"
password = ""


def main():


    try:
        dynamodb = boto3.resource('dynamodb', region_name='ap-northeast-2', endpoint_url='http://dynamodb.ap-northeast-2.amazonaws.com')
    except:
        logging.error('could not connect to dynamodb')
        sys.exit(1)

    try:
        conn = psycopg2.connect(
            host=host,
            database=database,
            user=username,
            password=password)
        cursor = conn.cursor()
    except:
        logging.error("could not connect to rds")
        sys.exit(1)

    headers = get_headers(client_id, client_secret)

    table = dynamodb.Table('top_tracks')

    cursor.execute('SELECT id FROM artists')

    countries = ['US', 'CA']
    for country in countries:
        for (artist_id, ) in cursor.fetchall():

            
            URL = "https://api.spotify.com/v1/artists/{}/top-tracks".format(artist_id)
            params = {
                'country': 'US'
            }

            r = requests.get(URL, params=params, headers=headers)

            raw = json.loads(r.text)

            for track in raw['tracks']:

                data = {
                    'artist_id': artist_id,
                    'country': country
                }

                data.update(track)

                table.put_item(
                    Item=data
                )





def get_headers(client_id, client_secret):

    endpoint = "https://accounts.spotify.com/api/token"
    encoded = base64.b64encode("{}:{}".format(client_id, client_secret).encode('utf-8')).decode('ascii')

    headers = {
        "Authorization": "Basic {}".format(encoded)
    }

    payload = {
        "grant_type": "client_credentials"
    }

    r = requests.post(endpoint, data=payload, headers=headers)

    access_token = json.loads(r.text)['access_token']

    headers = {
        "Authorization": "Bearer {}".format(access_token)
    }

    return headers


if __name__=='__main__':
    main()

스크린샷 2021-10-04 15 27 29

데이터 불러오기

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import sys
import os
import boto3
import logging

from boto3.dynamodb.conditions import Key, Attr

def main():

    try:
        dynamodb = boto3.resource('dynamodb', region_name='ap-northeast-2', endpoint_url='http://dynamodb.ap-northeast-2.amazonaws.com')
    except:
        logging.error('could not connect to dynamodb')
        sys.exit(1)

    table = dynamodb.Table('top_tracks')

    response = table.scan(
        FilterExpression=Attr('popularity').gt(90)
    )
    print(response['Items'])
    print(len(response['Items']))



if __name__=='__main__':
    main()

'''
[
   {
      "is_playable":true,
      "duration_ms":"Decimal(""191013"")",
      "external_ids":{
         "isrc":"USUG12101839"
      },
      "uri":"spotify:track:37BZB0z9T8Xu7U3e65qxFy",
      "country":"US",
      "name":"Save Your Tears (with Ariana Grande) (Remix)",
      "album":{
         "total_tracks":"Decimal(""1"")",
         "images":[
            {
               "width":"Decimal(""640"")",
               "url":"https://i.scdn.co/image/ab67616d0000b273c6af5ffa661a365b77df6ef6",
               "height":"Decimal(""640"")"
            },
            {
               "width":"Decimal(""300"")",
               "url":"https://i.scdn.co/image/ab67616d00001e02c6af5ffa661a365b77df6ef6",
               "height":"Decimal(""300"")"
            },
            {
               "width":"Decimal(""64"")",
               "url":"https://i.scdn.co/image/ab67616d00004851c6af5ffa661a365b77df6ef6",
               "height":"Decimal(""64"")"
            }
         ],
         "artists":[
            {
               "name":"The Weeknd",
               "href":"https://api.spotify.com/v1/artists/1Xyo4u8uXC1ZmMpatF05PJ",
               "id":"1Xyo4u8uXC1ZmMpatF05PJ",
               "type":"artist",
               "external_urls":{
                  "spotify":"https://open.spotify.com/artist/1Xyo4u8uXC1ZmMpatF05PJ"
               },
               "uri":"spotify:artist:1Xyo4u8uXC1ZmMpatF05PJ"
            },
            {
               "name":"Ariana Grande",
               "href":"https://api.spotify.com/v1/artists/66CXWjxzNUsdJxJ2JdwvnR",
               "id":"66CXWjxzNUsdJxJ2JdwvnR",
               "type":"artist",
               "external_urls":{
                  "spotify":"https://open.spotify.com/artist/66CXWjxzNUsdJxJ2JdwvnR"
               },
               "uri":"spotify:artist:66CXWjxzNUsdJxJ2JdwvnR"
            }
         ],
         "release_date":"2021-04-23",
         "name":"Save Your Tears (Remix)",
         "album_type":"single",
         "release_date_precision":"day",
         "href":"https://api.spotify.com/v1/albums/2fyOpT5c9kxR8zbDh6UtXh",
         "id":"2fyOpT5c9kxR8zbDh6UtXh",
         "type":"album",
         "external_urls":{
            "spotify":"https://open.spotify.com/album/2fyOpT5c9kxR8zbDh6UtXh"
         },
         "uri":"spotify:album:2fyOpT5c9kxR8zbDh6UtXh"
      },
      "popularity":"Decimal(""91"")",
      "artists":[
         {
            "name":"The Weeknd",
            "href":"https://api.spotify.com/v1/artists/1Xyo4u8uXC1ZmMpatF05PJ",
            "id":"1Xyo4u8uXC1ZmMpatF05PJ",
            "type":"artist",
            "external_urls":{
               "spotify":"https://open.spotify.com/artist/1Xyo4u8uXC1ZmMpatF05PJ"
            },
            "uri":"spotify:artist:1Xyo4u8uXC1ZmMpatF05PJ"
         },
         {
            "name":"Ariana Grande",
            "href":"https://api.spotify.com/v1/artists/66CXWjxzNUsdJxJ2JdwvnR",
            "id":"66CXWjxzNUsdJxJ2JdwvnR",
            "type":"artist",
            "external_urls":{
               "spotify":"https://open.spotify.com/artist/66CXWjxzNUsdJxJ2JdwvnR"
            },
            "uri":"spotify:artist:66CXWjxzNUsdJxJ2JdwvnR"
         }
      ],
      "disc_number":"Decimal(""1"")",
      "href":"https://api.spotify.com/v1/tracks/37BZB0z9T8Xu7U3e65qxFy",
      "track_number":"Decimal(""1"")",
      "external_urls":{
         "spotify":"https://open.spotify.com/track/37BZB0z9T8Xu7U3e65qxFy"
      },
      "artist_id":"66CXWjxzNUsdJxJ2JdwvnR",
      "preview_url":"None",
      "is_local":false,
      "id":"37BZB0z9T8Xu7U3e65qxFy",
      "explicit":false,
      "type":"track"
   },
   {
      "is_playable":true,
      "duration_ms":"Decimal(""164441"")",
      "external_ids":{
         "isrc":"QM6MZ2156864"
      },
      "uri":"spotify:track:2bgTY4UwhfBYhGT4HUYStN",
      "country":"US",
      "name":"Butter",
      "album":{
         "total_tracks":"Decimal(""5"")",
         "images":[
            {
               "width":"Decimal(""640"")",
               "url":"https://i.scdn.co/image/ab67616d0000b2736bb2b8231817c8d205d07fb2",
               "height":"Decimal(""640"")"
            },
            {
               "width":"Decimal(""300"")",
               "url":"https://i.scdn.co/image/ab67616d00001e026bb2b8231817c8d205d07fb2",
               "height":"Decimal(""300"")"
            },
            {
               "width":"Decimal(""64"")",
               "url":"https://i.scdn.co/image/ab67616d000048516bb2b8231817c8d205d07fb2",
               "height":"Decimal(""64"")"
            }
         ],
         "artists":[
            {
               "name":"BTS",
               "href":"https://api.spotify.com/v1/artists/3Nrfpe0tUJi4K4DXYWgMUX",
               "id":"3Nrfpe0tUJi4K4DXYWgMUX",
               "type":"artist",
               "external_urls":{
                  "spotify":"https://open.spotify.com/artist/3Nrfpe0tUJi4K4DXYWgMUX"
               },
               "uri":"spotify:artist:3Nrfpe0tUJi4K4DXYWgMUX"
            }
         ],
         "release_date":"2021-06-04",
         "name":"Butter (Hotter, Sweeter, Cooler)",
         "album_type":"single",
         "release_date_precision":"day",
         "href":"https://api.spotify.com/v1/albums/1HnJKmB4P6Z8RBdLMWx18w",
         "id":"1HnJKmB4P6Z8RBdLMWx18w",
         "type":"album",
         "external_urls":{
            "spotify":"https://open.spotify.com/album/1HnJKmB4P6Z8RBdLMWx18w"
         },
         "uri":"spotify:album:1HnJKmB4P6Z8RBdLMWx18w"
      },
      "popularity":"Decimal(""91"")",
      "artists":[
         {
            "name":"BTS",
            "href":"https://api.spotify.com/v1/artists/3Nrfpe0tUJi4K4DXYWgMUX",
            "id":"3Nrfpe0tUJi4K4DXYWgMUX",
            "type":"artist",
            "external_urls":{
               "spotify":"https://open.spotify.com/artist/3Nrfpe0tUJi4K4DXYWgMUX"
            },
            "uri":"spotify:artist:3Nrfpe0tUJi4K4DXYWgMUX"
         }
      ],
      "disc_number":"Decimal(""1"")",
      "href":"https://api.spotify.com/v1/tracks/2bgTY4UwhfBYhGT4HUYStN",
      "track_number":"Decimal(""1"")",
      "external_urls":{
         "spotify":"https://open.spotify.com/track/2bgTY4UwhfBYhGT4HUYStN"
      },
      "artist_id":"3Nrfpe0tUJi4K4DXYWgMUX",
      "preview_url":"https://p.scdn.co/mp3-preview/edf24f427483d886b640c5ed9944f9291e0976fc?cid=74cbd487458843f1ad3f5fa1e914c02f",
      "is_local":false,
      "id":"2bgTY4UwhfBYhGT4HUYStN",
      "explicit":false,
      "type":"track"
   },
   {
      "is_playable":true,
      "duration_ms":"Decimal(""228000"")",
      "external_ids":{
         "isrc":"GBAYE2100952"
      },
      "uri":"spotify:track:3FeVmId7tL5YN8B7R3imoM",
      "country":"US",
      "name":"My Universe",
      "album":{
         "total_tracks":"Decimal(""2"")",
         "images":[
            {
               "width":"Decimal(""640"")",
               "url":"https://i.scdn.co/image/ab67616d0000b2733ed6dca44a955dbe1c06d8fc",
               "height":"Decimal(""640"")"
            },
            {
               "width":"Decimal(""300"")",
               "url":"https://i.scdn.co/image/ab67616d00001e023ed6dca44a955dbe1c06d8fc",
               "height":"Decimal(""300"")"
            },
            {
               "width":"Decimal(""64"")",
               "url":"https://i.scdn.co/image/ab67616d000048513ed6dca44a955dbe1c06d8fc",
               "height":"Decimal(""64"")"
            }
         ],
         "artists":[
            {
               "name":"Coldplay",
               "href":"https://api.spotify.com/v1/artists/4gzpq5DPGxSnKTe4SA8HAU",
               "id":"4gzpq5DPGxSnKTe4SA8HAU",
               "type":"artist",
               "external_urls":{
                  "spotify":"https://open.spotify.com/artist/4gzpq5DPGxSnKTe4SA8HAU"
               },
               "uri":"spotify:artist:4gzpq5DPGxSnKTe4SA8HAU"
            },
            {
               "name":"BTS",
               "href":"https://api.spotify.com/v1/artists/3Nrfpe0tUJi4K4DXYWgMUX",
               "id":"3Nrfpe0tUJi4K4DXYWgMUX",
               "type":"artist",
               "external_urls":{
                  "spotify":"https://open.spotify.com/artist/3Nrfpe0tUJi4K4DXYWgMUX"
               },
               "uri":"spotify:artist:3Nrfpe0tUJi4K4DXYWgMUX"
            }
         ],
         "release_date":"2021-09-24",
         "name":"My Universe",
         "album_type":"single",
         "release_date_precision":"day",
         "href":"https://api.spotify.com/v1/albums/39McjovZ3M6n5SFtNmWTdp",
         "id":"39McjovZ3M6n5SFtNmWTdp",
         "type":"album",
         "external_urls":{
            "spotify":"https://open.spotify.com/album/39McjovZ3M6n5SFtNmWTdp"
         },
         "uri":"spotify:album:39McjovZ3M6n5SFtNmWTdp"
      },
      "popularity":"Decimal(""91"")",
      "artists":[
         {
            "name":"Coldplay",
            "href":"https://api.spotify.com/v1/artists/4gzpq5DPGxSnKTe4SA8HAU",
            "id":"4gzpq5DPGxSnKTe4SA8HAU",
            "type":"artist",
            "external_urls":{
               "spotify":"https://open.spotify.com/artist/4gzpq5DPGxSnKTe4SA8HAU"
            },
            "uri":"spotify:artist:4gzpq5DPGxSnKTe4SA8HAU"
         },
         {
            "name":"BTS",
            "href":"https://api.spotify.com/v1/artists/3Nrfpe0tUJi4K4DXYWgMUX",
            "id":"3Nrfpe0tUJi4K4DXYWgMUX",
            "type":"artist",
            "external_urls":{
               "spotify":"https://open.spotify.com/artist/3Nrfpe0tUJi4K4DXYWgMUX"
            },
            "uri":"spotify:artist:3Nrfpe0tUJi4K4DXYWgMUX"
         }
      ],
      "disc_number":"Decimal(""1"")",
      "href":"https://api.spotify.com/v1/tracks/3FeVmId7tL5YN8B7R3imoM",
      "track_number":"Decimal(""1"")",
      "external_urls":{
         "spotify":"https://open.spotify.com/track/3FeVmId7tL5YN8B7R3imoM"
      },
      "artist_id":"3Nrfpe0tUJi4K4DXYWgMUX",
      "preview_url":"https://p.scdn.co/mp3-preview/73bbc165dc2883cc59a0c8b46700af11eba03bc7?cid=74cbd487458843f1ad3f5fa1e914c02f",
      "is_local":false,
      "id":"3FeVmId7tL5YN8B7R3imoM",
      "explicit":false,
      "type":"track"
   }
]3
'''
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