potiuk commented on code in PR #39723:
URL: https://github.com/apache/airflow/pull/39723#discussion_r1610473870


##########
hatch_build.py:
##########
@@ -846,6 +846,17 @@ def initialize(self, version: str, build_data: dict[str, 
Any]) -> None:
         # field in core.metadata until this is possible
         self.metadata.core._optional_dependencies = self.optional_dependencies
 
+        # Add entrypoints dynamically for all provider packages, else they 
will not be found by

Review Comment:
   Also see here: 
   
   
https://packaging.python.org/en/latest/specifications/pyproject-toml/#entry-points
   
   Unlike dependencies and optional depenendencies, the entrypoints do not have 
corresponding "Core Metadata" fields (and to be a bit more confusing - 
pyproject.toml might specify entrypoints in various ways and they are sometimes 
conflicting. Also the `pyproject.toml`  entries are NOT the same as "Core 
Metadata" entries (for example `dependencies/optional-dependencies` in 
`pyproject.toml' are mapped to 
`[Requires-Dist](https://packaging.python.org/en/latest/specifications/core-metadata/#core-metadata-requires-dist)
 and 
[Provides-Extra](https://packaging.python.org/en/latest/specifications/core-metadata/#core-metadata-provides-extra)
 core metadata. 
   
   It's not that it's wrong - It's all there but sometimes requires going 
through a series of docs and specs, so it's not intuitive and might be 
confusing. I got confused that in hatchlib's internal hook, entrypoints are 
stored in `core.metadata` simply - even if they are not part of it.
   



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