# 宣言部分
import boto3
import os
import tempfile
import zipfile
# 中略
    tmpdir = tempfile.TemporaryDirectory()
    try:
        packed_full_name = os.path.join(tmpdir.name, packed_file_name)
        slip_full_name = os.path.join(tmpdir.name, slip_file_name)
        balance_full_name = os.path.join(tmpdir.name, balance_file_name)
        # 中略
        slip_file = open(slip_full_name, 'w')
        balance_file = open(balance_full_name, 'w')
        try:
            # 出力処理部分
        finally:
            slip_file.close()
            balance_file.close()

        # 出力ファイルをまとめてzip圧縮
        with zipfile.ZipFile(packed_full_name, 'w', compression=zipfile.ZIP_DEFLATED) as new_zip:
            new_zip.write(slip_full_name, arcname=slip_file_name)
            new_zip.write(balance_full_name, arcname=balance_file_name)

        # S3へアップロード。event['identityid'] がクエリパラメータで渡されたCognitoのidentityid
        s3 = boto3.resource('s3')
        bucket = s3.Bucket('myapp-userdata')
        bucket.upload_file(packed_full_name, 'cognito/myhome-account/' + event['identityid'] + '/' + packed_file_name)
    finally:
        tmpdir.cleanup()

    download: function () {
      const cognitoUser = this.$cognito.userPool.getCurrentUser()
      var that = this
      cognitoUser.getSession((err, session) => {
        if (!err && session.isValid()) {
          const itoken = session.getIdToken().getJwtToken()
          // Initialize the Amazon Cognito credentials provider
          AWS.config.region = awsconfig.Region
          AWS.config.credentials = new AWS.CognitoIdentityCredentials({
            IdentityPoolId: awsconfig.IdentityPoolId,
            Logins: {
              [PROVIDER_KEY]: itoken
            }
          })
          var identityId = AWS.config.credentials.identityId

          //・・中略・・

          that.$axios.get(that.apienv.baseendpoint + 'download?' + prmstr, config).then(
            response => {
              var s3 = new AWS.S3({
                params: { Bucket: S3_USERBACKETNAME }
              })
              var getUrlparams = {
                // バケット名
                Bucket: S3_USERBACKETNAME,
                // S3に格納済みのファイル名（ファイル名がサーバー側から返ってくる）
                Key: 'cognito/myhome-account/' + identityId + '/' + response.data,
                // 期限(秒数)
                Expires: 900
              }
              // URL発行
              s3.getSignedUrl('getObject', getUrlparams, that.execdownload)
            }
          ).catch(err => {
            that.$message({message: err, type: 'error'})
          })
        }
      })
    },
    execdownload: function (dummy, url) {
      location.href = url
    },