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@eszter-b eszter-b released this 06 Mar 13:18
v1.0.0
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tm1_git_py v1.0.0 (Initial Release)

Overview

tm1_git_py provides Git-like change management for IBM TM1 models:

  • export TM1 model objects into file-based artifacts
  • compare model states to generate a changeset
  • apply changesets back to TM1 safely and in dependency-aware order

What’s Included

Core capabilities

  • Model export/deserialization for key TM1 object types:
    • Cubes, Dimensions, Hierarchies, Subsets, Views (MDX/Native), Rules, Processes, Chores
  • Model comparison engine (Comparator) producing structured Changeset entries
  • Changeset import/export (YAML/JSON compatible workflows)
  • Changeset apply engine with CRUD dispatch per object type
  • Optional changeset status tracking for execution visibility

Diff and apply capabilities

  • Leaf hierarchy noise reduction:
    • auto-managed leaf element diffs are filtered from comparator output
  • Deterministic sorting for apply order to reduce dependency-related failures
  • Rule handling integrated into compare/apply flow (including unified rule-change execution)

Testing

  • Broad unit test coverage for comparator, changeset, apply dispatch, and model CRUD adapters
  • Integration tests for end-to-end compare/apply scenarios, including process/chore workflows
  • Added targeted regression tests for:
    • parent/child diff behavior
    • view detection
    • process/chore apply edge cases

Known limitations

  • Some TM1 server behaviors are environment/version specific; choreography around active chores and process/task metadata may vary by instance configuration.
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