VForWaTer/metacatalog: Version 0.4

About Metacatalog is a management tool for a PostgreSQL/PostGIS database that is primarily used to store meta-data of environmental open data. While it can also store the data itself, it is more meant as a Meta-database that should rather interface the original data stores. Metacatalog has three main submodules: the Database Models a Python API a CLI The full documentation can be found at: https://vforwater.github.io/metacatalog. This Version With version 0.4 the API interoperability has been improved. This release mainly focuses on ImmutableResultSets, which can now lazy load Composite and Split datasets. Secondly, a large extension was added to metacatalog and activated by default: ExportExtension. It adds an export function to Entry and EntryGroup. The extension can export into files or return the underlying Python representation. The current supported export formats are: JSON (Python json str) XML (Python xml str) pickle (Python dict) netCDF (Python xarray