[jira] [Assigned] (AIRFLOW-3602) Change ImapHook to raise an Exception when no attachments have been found

["Felix Uellendall (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-3602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Felix Uellendall reassigned AIRFLOW-3602:
-----------------------------------------

    Assignee: Felix Uellendall

> Change ImapHook to raise an Exception when no attachments have been found
> -------------------------------------------------------------------------
>
>                 Key: AIRFLOW-3602
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3602
>             Project: Apache Airflow
>          Issue Type: Improvement
>    Affects Versions: 1.10.1
>            Reporter: Felix Uellendall
>            Assignee: Felix Uellendall
>            Priority: Major
>
> At the moment the
> {code:python}
> def retrieve_mail_attachments(self, name, mail_folder='INBOX', check_regex=False,
>                                   latest_only=False):
> {code}
> returns an empty list if no attachments have been found.
> And the
> {code:python}
> def download_mail_attachments(self, name, local_output_directory, mail_folder='INBOX',
>                                   check_regex=False, latest_only=False):
> {code}
> also does not log anything if no attachment has been found.
> Is this useful? Or would it be better to raise an exception instead?



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