Change Log¶

`v0.2.0`_ (2019-08-09)¶

Numpy memory-mapped array file backend added. (#70) @rlizzo
Remote server data backend added. (#70) @rlizzo
Selection heuristics to determine appropriate backend from arrayset schema. (#70) @rlizzo
Partial remote clones and fetch operations now fully supported. (#85) @rlizzo
CLI has been placed under test coverage, added interface usage to docs. (#85) @rlizzo
TensorFlow and PyTorch Machine Learning Dataloader Methods (Experimental Release). (#91) lead: @hhsecond, co-author: @rlizzo, reviewed by: @elistevens

Record format versioning and standardization so to not break backwards compatibility in the future. (#70) @rlizzo
Backend addition and update developer protocols and documentation. (#70) @rlizzo
Read-only checkout arrayset sample get methods now are multithread and multiprocess safe. (#84) @rlizzo
Read-only checkout metadata sample get methods are thread safe if used within a context manager. (#101) @rlizzo
Samples can be assigned integer names in addition to string names. (#89) @rlizzo
Forgetting to close a write-enabled checkout before terminating the python process will close the checkout automatically for many situations. (#101) @rlizzo
Repository software version compatability methods added to ensure upgrade paths in the future. (#101) @rlizzo
Many tests added (including support for Mac OSX on Travis-CI). lead: @rlizzo, co-author: @hhsecond

Diff results for fast forward merges now returns sensible results. (#77) @rlizzo
Many type annotations added, and developer documentation improved. @hhsecond & @rlizzo

Renamed all references to datasets in the API / world-view to arraysets.
These are backwards incompatible changes. For all versions > 0.2, repository upgrade utilities will be provided if breaking changes occur.

Remote client-server config negotiation and administrator permissions. (#10) @rlizzo
Allow single python process to access multiple repositories simultaneously. (#20) @rlizzo
Fast-Forward and 3-Way Merge and Diff methods now fully supported and behaving as expected. (#32) @rlizzo

Initial test-case specification. (#14) @hhsecond
Checkout test-case work. (#25) @hhsecond
Metadata test-case work. (#27) @hhsecond
Any potential failure cases raise exceptions instead of silently returning. (#16) @rlizzo
Many usability improvements in a variety of commits.

Ensure references to checkout arrayset or metadata objects cannot operate after the checkout is closed. (#41) @rlizzo
Sensible exception classes and error messages raised on a variety of situations (Many commits). @hhsecond & @rlizzo
Many minor issues addressed.

All repositories written with previous versions of Hangar are liable to break when using this version. Please upgrade versions immediately.