{"action":"closed","issue":{"url":"https://api.github.com/repos/bartvm/fuel/issues/72","labels_url":"https://api.github.com/repos/bartvm/fuel/issues/72/labels{/name}","comments_url":"https://api.github.com/repos/bartvm/fuel/issues/72/comments","events_url":"https://api.github.com/repos/bartvm/fuel/issues/72/events","html_url":"https://github.com/bartvm/fuel/issues/72","id":67700550,"number":72,"title":"HDF5 file format versioning","user":{"login":"dwf","id":60206,"avatar_url":"https://avatars.githubusercontent.com/u/60206?v=3","gravatar_id":"","url":"https://api.github.com/users/dwf","html_url":"https://github.com/dwf","followers_url":"https://api.github.com/users/dwf/followers","following_url":"https://api.github.com/users/dwf/following{/other_user}","gists_url":"https://api.github.com/users/dwf/gists{/gist_id}","starred_url":"https://api.github.com/users/dwf/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dwf/subscriptions","organizations_url":"https://api.github.com/users/dwf/orgs","repos_url":"https://api.github.com/users/dwf/repos","events_url":"https://api.github.com/users/dwf/events{/privacy}","received_events_url":"https://api.github.com/users/dwf/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-04-10T23:07:13Z","updated_at":"2015-05-14T01:24:30Z","closed_at":"2015-05-14T01:24:30Z","body":"We should introduce versioning into the HDF5-based format we save, so that we can detect what set of conventions were being followed at that point in time, and read and interpret files that were not written with the current version of the code. \r\n\r\nMy personal feeling is that format version need not be tied to (or rely upon) Fuel package versioning. This is the approach adopted by NumPy for NPY, and it has worked well. "}}