Optional gams.transfer backend for read + write (opt-in, v2.1.0)#111

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elainethale merged 19 commits into

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eh/gams-transfer

May 23, 2026

Commits on May 21, 2026

test: trim release-planning note from test_symbol_types_round_trip docstring

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docs: stage gams.transfer backend (v2.1.0) with symmetric architecture + v3.0.0

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refactor: extract gdxcc read primitive behind a GdxBackend ABC

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refactor: move GDX metadata reading into GdxccBackend.open_read

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refactor: move GDX write path + handle ownership into GdxccBackend

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docs: record GdxFile.H as a v3.0.0 deprecation candidate in Known warts

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refactor: unify set-text reads through GdxFile.load_all (Phase 0)

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style: drop trailing whitespace in test_symbol_types_round_trip docstring

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feat: opt-in backend selection + symbol-subset reads (Step 1)

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feat: gams.transfer read backend (Phase A)

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fix: HAVE_GAMS_TRANSFER reflects usability, not just importability

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feat: read Aliases as Sets in both backends

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docs: record v2.1.0 progress (Phase 0/Step 1/Phase A) and alias-as-Set in ROADMAP

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Commits on May 23, 2026