yourhiro opened a new pull request #5111: [AIRFLOW-4294] fix missing dag & task runs in UI when . in dag_id URL: https://github.com/apache/airflow/pull/5111 Make sure you have checked _all_ steps below. ### Jira - [x] My PR addresses the following [Airflow Jira](https://issues.apache.org/jira/browse/AIRFLOW/) issues and references them in the PR title. For example, "\[AIRFLOW-XXX\] My Airflow PR" - https://issues.apache.org/jira/browse/AIRFLOW-4294 - https://issues.apache.org/jira/browse/AIRFLOW-4325 ### Description - [x] Here are some details about my PR, including screenshots of any UI changes: This fixes a regression when a dag_id has a '.' character in its name. The new UI uses "safe" dag_ids for the IDs of the corresponding DOM elements and when the endpoint `/dag_stats` returns the payload keyed on the regular dag_id, d3 is unable to update the elements. The fix is to convert the dag_ids in the payload to a 'safe' dag_id by replacing all the `.` characters with `__dot__` so the relevant DOM elements can be selected and updated Before:  After change:  ### Tests - [x] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason: Manual testing confirms that it show dag runs and task runs correctly ### Commits - [x] My commits all reference Jira issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)": 1. Subject is separated from body by a blank line 1. Subject is limited to 50 characters (not including Jira issue reference) 1. Subject does not end with a period 1. Subject uses the imperative mood ("add", not "adding") 1. Body wraps at 72 characters 1. Body explains "what" and "why", not "how" ### Documentation - [] In case of new functionality, my PR adds documentation that describes how to use it. - All the public functions and the classes in the PR contain docstrings that explain what it does - If you implement backwards incompatible changes, please leave a note in the [Updating.md](https://github.com/apache/airflow/blob/master/UPDATING.md) so we can assign it to a appropriate release **N/A** ### Code Quality - [ ] Passes `flake8` **N/A**
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