>>> import os
>>> from pymdeco.services import FileMetadataService
>>> srv = FileMetadataService()
>>> for root, dirs, files in os.walk(r'/tests/'):
...    for afile in files:
...        meta = srv.get_metadata(os.path.join(root,afile))
...        print(meta.to_json(indent=2))
... 
# long prinout of metadata in nested dictionaries
