Source code for airflow.contrib.operators.imap_attachment_to_s3_operator

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from airflow.contrib.hooks.imap_hook import ImapHook
from airflow.hooks.S3_hook import S3Hook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults

[docs]class ImapAttachmentToS3Operator(BaseOperator): """ Transfers a mail attachment from a mail server into s3 bucket. :param imap_attachment_name: The file name of the mail attachment that you want to transfer. :type imap_attachment_name: str :param s3_key: The destination file name in the s3 bucket for the attachment. :type s3_key: str :param imap_mail_folder: The folder on the mail server to look for the attachment. :type imap_mail_folder: str :param imap_check_regex: If set checks the `imap_attachment_name` for a regular expression. :type imap_check_regex: bool :param s3_overwrite: If set overwrites the s3 key if already exists. :type s3_overwrite: bool :param imap_conn_id: The reference to the connection details of the mail server. :type imap_conn_id: str :param s3_conn_id: The reference to the s3 connection details. :type s3_conn_id: str """
[docs] template_fields = ('imap_attachment_name', 's3_key')
@apply_defaults def __init__(self, imap_attachment_name, s3_key, imap_mail_folder='INBOX', imap_check_regex=False, s3_overwrite=False, imap_conn_id='imap_default', s3_conn_id='aws_default', *args, **kwargs): super(ImapAttachmentToS3Operator, self).__init__(*args, **kwargs) self.imap_attachment_name = imap_attachment_name self.s3_key = s3_key self.imap_mail_folder = imap_mail_folder self.imap_check_regex = imap_check_regex self.s3_overwrite = s3_overwrite self.imap_conn_id = imap_conn_id self.s3_conn_id = s3_conn_id
[docs] def execute(self, context): """ This function executes the transfer from the email server (via imap) into s3. :param context: The context while executing. :type context: dict """ 'Transferring mail attachment %s from mail server via imap to s3 key %s...', self.imap_attachment_name, self.s3_key ) with ImapHook(imap_conn_id=self.imap_conn_id) as imap_hook: imap_mail_attachments = imap_hook.retrieve_mail_attachments( name=self.imap_attachment_name, mail_folder=self.imap_mail_folder, check_regex=self.imap_check_regex, latest_only=True ) s3_hook = S3Hook(aws_conn_id=self.s3_conn_id) s3_hook.load_bytes(bytes_data=imap_mail_attachments[0][1], key=self.s3_key, replace=self.s3_overwrite)

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