[jira] [Commented] (AIRFLOW-1076) Support getting variable by string in templates

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-1076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16601547#comment-16601547 ] 

Apache Spark commented on AIRFLOW-1076:
---------------------------------------

User 'dhuang' has created a pull request for this issue:
https://github.com/apache/incubator-airflow/pull/2223

> Support getting variable by string in templates
> -----------------------------------------------
>
>                 Key: AIRFLOW-1076
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1076
>             Project: Apache Airflow
>          Issue Type: Improvement
>            Reporter: Daniel Huang
>            Assignee: Daniel Huang
>            Priority: Minor
>
> Currently, one can fetch variables in templates with {{ var.value.foo }}. But that doesn't work if the variable key has a character you can't use as an attribute, like ":" or "-". 
> Should provide alternative method of {{ var.value.get('foo:bar') }}. Can then also supply a default value if the variable is not found. This also allows you to fetch the variable specified in another jinja variable (probably not common use case).



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