fredthomsen opened a new pull request, #62079:
URL: https://github.com/apache/airflow/pull/62079
1 Previously, adding extra links to a TaskFlow task required creating
2 a custom BaseOperator subclass with operator_extra_links and a
3 companion BaseOperatorLink class. This is heavyweight for what is
4 often just a URL set at runtime.
5
6 This change lets @task authors declare link names in the decorator
7 and set URLs directly during execution:
8
9 ```python
10 @task(extra_links=["Docs"])
11 def my_task(extra_links):
12 extra_links["Docs"] = "https://example.com";
13 ```
14
15 **What's included:**
16
17 - `TaskFlowExtraLink` — a concrete `BaseOperatorLink` that stores
18 URLs via XCom, created at parse time from declared link names
19 - `_build_extra_links()` merges TaskFlow links with existing
20 class-level links, warning on name conflicts
21 - `ExtraLinksAccessor` — dict-like context object injected as
22 `context["extra_links"]` for setting URLs during execution
23 - Mapped operators retain extra links through `unmap()`
24 - Serialization/deserialization works via existing
`operator_extra_links`
25 machinery (no new XCom keys or API changes needed)
26
27 closes: #54527
28
29 ---
30
31 ##### Was generative AI tooling used to co-author this PR?
32
33 - [X] Yes — Claude Code (Claude Opus 4.6)
34
35 Generated-by: Claude Code following [the
guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#gen-ai-assisted-contributions)
36
37 ---
38
39 * Read the **[Pull Request
Guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#pull-request-guidelines)**
for more information. Note: commit author/co-author name and email in commits
become permanently public when merged.
40 * For fundamental code changes, an Airflow Improvement Proposal
([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvement+Proposals))
is needed.
41 * When adding dependency, check compliance with the [ASF 3rd Party
License Policy](https://www.apache.org/legal/resolved.html#category-x).
42 * For significant user-facing changes create newsfragment:
`{pr_number}.significant.rst` or `{issue_number}.significant.rst`, in
[airflow-core/newsfragments](https://github.com/apache/airflow/tree/main/airflow-core/newsfragments).
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