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[wip] Add experimental qcodes.measure_v2 package (tracer bullet) #8116

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[wip] Add experimental qcodes.measure_v2 package (tracer bullet) #8116

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7b2fa3e
Add experimental qcodes.measure_v2 package (tracer bullet)
jenshnielsen May 12, 2026
c09ad89
Rename newsfragment to PR 8116
jenshnielsen May 12, 2026
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12 changes: 12 additions & 0 deletions docs/changes/newsfragments/8116.new
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Added experimental ``qcodes.measure_v2`` package — a parallel measurement API
that decouples plan description from execution. Plans are Python generators
yielding typed messages (``Set``, ``Read``, ``Sleep``, ``Emit``, ``OpenRun``,
``CloseRun``); an engine drives them on a dedicated worker thread and
publishes events to pluggable sinks. Enables non-blocking measurement
submission, mid-flight cancellation with guaranteed cleanup via plan
``try/finally`` blocks, and live data consumption via custom sinks.
The public surface is ``qc.measure_v2.scan(...)`` and the engine /
``RunHandle`` types for advanced use; the SQLite sink reuses the existing
``DataSaver`` infrastructure. This package is experimental and its API
may change in subsequent releases. See ``src/qcodes/measure_v2/DESIGN.md``
for the architecture document.
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