HomeSoftware Heritage

BaseLoader: Add hook to call metadata fetchers before loading an origin

This commit no longer exists in the repository. It may have been part of a branch which was deleted.

Description

BaseLoader: Add hook to call metadata fetchers before loading an origin

This uses setuptools entrypoints to allow metadata fetchers to
make themselves discoverable without explicitly depending on them.

This commit also lifts the generic metadata loading from the base
PackageLoader to BaseLoader

Commit No Longer Exists

This commit no longer exists in the repository.