Andrushika opened a new pull request, #70135:
URL: https://github.com/apache/airflow/pull/70135
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Validate task_id for mapped tasks
---
### Why
A regular task validates its `task_id` in `BaseOperator.__init__`. A mapped
task skips `__init__`, so its id was never checked:
```python
MyOperator(task_id="bad*id") # raises
MyOperator.partial(task_id="bad*id").expand(...) # passed silently
```
The bad id then failed later where it is used (log paths, UI,
serialization). The taskflow `@task` mapped form had the same gap.
### What
Validate the id in both mapped paths, matching `BaseOperator.__init__.`
Valid ids are unaffected.
related: #69965, #69937
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