DataLoaders 7: support for custom DataLoaders#4566
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DataLoaders 6: support for custom DataLoadersDataLoaders 7: support for custom DataLoaders
This was referenced Dec 17, 2023
emilk
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Dec 19, 2023
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December 19, 2023 18:50
teh-cmc
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Introduce a first-class protocol for `DataLoader`s -- whether they are builtin, custom, or external -- to announce that they don't support loading a given piece of data. This fixes one of the oldest issue when loading files in Rerun: loading unsupported data would always bottom out in either the image or websocket paths, leading to unrelated errors very confusing to users. The loading process is now a two-pass process: 1. Dispatch the data to be loaded to all loaders, which will respond ASAP whether they can do it or not. 1.1. If at least one compatible loader is found, go to 2 1.2. Otherwise, fail early with a nice error message for the end user 2. Dispatch the actual data loading. This has important/subtle ramifications on the threading model, but other than that is what you'd expect. Checks: - [x] Native: CLI examples/assets/* - [x] Native: CLI examples/assets - [x] Native: CLI examples/assets/* containing unsupported files - [x] Native: CLI examples/assets containing unsupported files - [x] Native: File>Open examples/assets/* - [x] Native: File>Open examples/assets - [x] Native: File>Open examples/assets/* containing unsupported files - [x] Native: File>Open examples/assets containing unsupported files - [x] Native: Drag-n-drop examples/assets/* - [x] Native: Drag-n-drop examples/assets - [x] Native: Drag-n-drop examples/assets/* containing unsupported files - [x] Native: Drag-n-drop examples/assets containing unsupported files - [x] Web: File>Open examples/assets/* - [x] Web: Drag-n-drop examples/assets/* - [x] Web: File>Open examples/assets/* containing unsupported files - [x] Web: Drag-n-drop examples/assets/* containing unsupported files --- Part of a series of PRs to make it possible to load _any_ file from the local filesystem, by any means, on web and native: - #4516 - #4517 - #4518 - #4519 - #4520 - #4521 - #4565 - #4566 - #4567
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teh-cmc
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Some docs for the whole thing. It heavily relies on linking to the examples for exact details and to avoid rot. It's probably extremely bad. Help welcome. --- Part of a series of PRs to make it possible to load _any_ file from the local filesystem, by any means, on web and native: - #4516 - #4517 - #4518 - #4519 - #4520 - #4521 - #4565 - #4566 - #4567 Co-authored-by: Nikolaus West <niko@rerun.io>
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Add support for registering custom loaders, the same way we offer support for registering custom space views and store subscribers.
Checks:
Part of a series of PRs to make it possible to load any file from the local filesystem, by any means, on web and native:
DataLoaders 0: utility for hierarchicalEntityPathfrom file path #4516DataLoaders 1: introduce, and migrate to,DataLoaders #4517DataLoaders 2: add text-basedDataLoader(.txt,.md) #4518DataLoaders 3: add 3D point cloudDataLoader(.ply) #4519DataLoaders 4: add generic folderDataLoader#4520DataLoaders 5: add support for external binaryDataLoaders (PATH) #4521DataLoaders 6: first-class support forIncompatible#4565DataLoaders 7: support for customDataLoaders #4566DataLoaders 8: docs, guide, etc #4567Checklist