amoghrajesh opened a new pull request, #44469: URL: https://github.com/apache/airflow/pull/44469
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In case of an existing issue, reference it using one of the following: closes: #ISSUE related: #ISSUE How to write a good git commit message: http://chris.beams.io/posts/git-commit/ --> @eladkal recently ran into an issue: ``` Downloading constraints for all Airflow versions for Python 3.9 Downloading https://raw.githubusercontent.com/apache/airflow/constraints-2.0.0/constraints-3.9.txt to /Users/eladkal/PycharmProjects/airflow/.build/constraints/constraints-2.0.0-python-3.9.txt https://raw.githubusercontent.com/apache/airflow/constraints-2.0.0/constraints-3.9.txt could not be downloaded. Status code 403 Could not download constraints for Airflow 2.0.0 and Python 3.9 Downloading https://raw.githubusercontent.com/apache/airflow/constraints-2.0.1/constraints-3.9.txt to /Users/eladkal/PycharmProjects/airflow/.build/constraints/constraints-2.0.1-python-3.9.txt https://raw.githubusercontent.com/apache/airflow/constraints-2.0.1/constraints-3.9.txt could not be downloaded. Status code 403 Could not download constraints for Airflow 2.0.1 and Python 3.9 Downloading https://raw.githubusercontent.com/apache/airflow/constraints-2.0.2/constraints-3.9.txt to /Users/eladkal/PycharmProjects/airflow/.build/constraints/constraints-2.0.2-python-3.9.txt https://raw.githubusercontent.com/apache/airflow/constraints-2.0.2/constraints-3.9.txt could not be downloaded. Status code 403 Could not download constraints for Airflow 2.0.2 and Python 3.9 Downloading https://raw.githubusercontent.com/apache/airflow/constraints-2.1.0/constraints-3.9.txt to /Users/eladkal/PycharmProjects/airflow/.build/constraints/constraints-2.1.0-python-3.9.txt https://raw.githubusercontent.com/apache/airflow/constraints-2.1.0/constraints-3.9.txt could not be downloaded. Status code 403 Could not download constraints for Airflow 2.1.0 and Python 3.9 .... ``` Then ``` multiprocessing.pool.RemoteTraceback: """ Traceback (most recent call last): File "/Users/eladkal/.local/share/rtx/installs/python/3.11.6/lib/python3.11/multiprocessing/pool.py", line 125, in worker result = (True, func(*args, **kwds)) ^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/rtx/installs/python/3.11.6/lib/python3.11/multiprocessing/pool.py", line 48, in mapstar return list(map(*args)) ^^^^^^^^^^^^^^^^ File "/Users/eladkal/PycharmProjects/airflow/dev/breeze/src/airflow_breeze/utils/provider_dependencies.py", line 83, in generate_providers_metadata_for_package if constraints[airflow_version].get(package_name) == provider_version: ~~~~~~~~~~~^^^^^^^^^^^^^^^^^ KeyError: '2.0.0' """ The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/Users/eladkal/.local/bin/breeze", line 8, in <module> sys.exit(main()) ^^^^^^ File "/Users/eladkal/.local/share/uv/tools/apache-airflow-breeze/lib/python3.11/site-packages/rich_click/rich_command.py", line 367, in __call__ return super().__call__(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/uv/tools/apache-airflow-breeze/lib/python3.11/site-packages/click/core.py", line 1157, in __call__ return self.main(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/uv/tools/apache-airflow-breeze/lib/python3.11/site-packages/rich_click/rich_command.py", line 152, in main rv = self.invoke(ctx) ^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/uv/tools/apache-airflow-breeze/lib/python3.11/site-packages/click/core.py", line 1688, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/uv/tools/apache-airflow-breeze/lib/python3.11/site-packages/click/core.py", line 1688, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/uv/tools/apache-airflow-breeze/lib/python3.11/site-packages/click/core.py", line 1434, in invoke return ctx.invoke(self.callback, **ctx.params) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/uv/tools/apache-airflow-breeze/lib/python3.11/site-packages/click/core.py", line 783, in invoke return __callback(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/PycharmProjects/airflow/dev/breeze/src/airflow_breeze/commands/release_management_commands.py", line 2614, in generate_providers_metadata results = pool.map( ^^^^^^^^^ File "/Users/eladkal/.local/share/rtx/installs/python/3.11.6/lib/python3.11/multiprocessing/pool.py", line 367, in map return self._map_async(func, iterable, mapstar, chunksize).get() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/eladkal/.local/share/rtx/installs/python/3.11.6/lib/python3.11/multiprocessing/pool.py", line 774, in get raise self._value KeyError: '2.0.0' ``` On debugging we realised that its because of VPN! This revealed that we do not handle 403 well. This PR fixes that <!-- Please keep an empty line above the dashes. --> --- **^ Add meaningful description above** Read the **[Pull Request Guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#pull-request-guidelines)** for more information. In case of fundamental code changes, an Airflow Improvement Proposal ([AIP](https://cwiki.apache.org/confluence/display/AIRFLOW/Airflow+Improvement+Proposals)) is needed. In case of a new dependency, check compliance with the [ASF 3rd Party License Policy](https://www.apache.org/legal/resolved.html#category-x). In case of backwards incompatible changes please leave a note in a newsfragment file, named `{pr_number}.significant.rst` or `{issue_number}.significant.rst`, in [newsfragments](https://github.com/apache/airflow/tree/main/newsfragments). -- This is an automated message from the Apache Git Service. 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