Rename chunk_dim to stream_dim, following ezmsg core - #12
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Tracks the upstream rename of `AxisArray.chunk_dim`. `chunk` was overloaded -- xarray's `DataArray.chunk`, dask, zarr and HDF5 all use it for memory/IO layout, and ezmsg's own `array_chunker` / `chunk_len` mean "how much data per message" -- so the field now names its role instead: the dimension the stream extends along. Bumps the ezmsg floor to 3.10.0b3, the first release carrying the new name. Pure rename otherwise. 91 passed.
A wedged job used to run to GitHub's 6-hour default. One did: an ezmsg-simbiophys run hung immediately after `collected 161 items`, produced not one test dot, and sat on a runner for 3h09m until it was cancelled by hand -- long enough to starve the macOS queue for every other repo in the org. `timeout-minutes: 30` bounds that; the suite runs in well under a minute on every platform, so the margin is generous. The concurrency group makes a new push to a PR cancel the run already in flight for that ref, so a stuck job cannot hold a slot while its own replacement queues behind it.
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Tracks the rename of
AxisArray.chunk_dimtostream_dimin ezmsg core (ezmsg-org/ezmsg#265).Why the name changed
chunkwas already spoken for in three directions:chunkfor multi-dimensional memory/IO layout. SinceAxisArraydeliberately echoesxarray.DataArray— which has a.chunk()method — borrowing the word invites exactly the wrong reading.array_chunker/chunk_lenmean "how much data per message".stream_dimnames that role directly and reuses ezmsg's own vocabulary (InputStream/OutputStream).append_dim(zarr) andconcat_dim(xarray) were the closest semantic matches but were rejected: in ezmsg-sigproc those words already name the target argument of an append or concat operation. netCDF'sunlimited_dimsdescribes a static property of the dimension rather than what is happening to it.What's in here
Pure rename — no behaviour change.
Uses of
chunkthat mean how much data a message carries are deliberately left alone; only the dimension sense is renamed, including the prose that describes it.The
ezmsgfloor moves>=3.10.0b2→>=3.10.0b3. 3.10.0b1 and b2 are on PyPI carryingchunk_dim, so the floor has to move for the rename to be meaningful; 3.10.0b3 is the first release withstream_dim.Testing
91 passed, run against the renamed ezmsg core and ezmsg-baseproc installed editable.
Merge order: ezmsg 3.10.0b3 must be on PyPI before this merges, or CI here resolves an
ezmsgthat has nostream_dim.