The deps module is responsible for installing dbt packages into dbt projects. A dbt package is a standalone dbt project with models and macros that solve a specific problem area. More specific information on dbt packages is available on the docs site.
See How do I specify a package? on the docs site for a detailed explination of the different types of packages supported and expected formats.
Defines the base classes of PinnedPackage and UnpinnedPackage.
downloads_directory sets the directory packages will be downloaded to.
Extends PinnedPackage and UnpinnedPackage specific to dbt packages defined with git urls.
Extends PinnedPackage and UnpinnedPackage specific to dbt packages defined locally.
Extends PinnedPackage and UnpinnedPackage specific to dbt packages defined on the dbt Hub registry.
install has retry logic if the download or untarring process hit exceptions (see dbt.utils._connection_exception_retry).
Resolves the package definition into package objects to download.