chore: import upstream snapshot with attribution

examples/python/dataloader/pyproject.toml

@@ -0,0 +1,45 @@
+[project]
+name = "dataloader"
+version = "0.1.0"
+readme = "README.md"
+requires-python = ">=3.12,<3.13"
+dependencies = [
+  "rerun-sdk[dataloader,catalog,tracing]",
+  "huggingface-hub>=1.0",
+  "lerobot[dataset]==0.6.0",
+]
+
+[dependency-groups]
+dev = ["mypy==1.19.1"]
+
+[tool.rerun-example]
+# Picked up by scripts/ci/isolated_examples.py and the `py-lint-isolated-examples` pixi task.
+isolated = true
+
+[tool.uv]
+# The example is flat scripts, not a wheel — skip project build, just sync deps.
+package = false
+# pyarrow 24.0.0 segfaults rerun on import and ships an incomplete py.typed that breaks mypy.
+# Isolated examples don't inherit the workspace root's constraint-dependencies, so pin it here.
+# pyarrow arrives transitively (via rerun-sdk), hence a constraint rather than a direct dependency.
+constraint-dependencies = ["pyarrow>=23.0.1,<24"]
+
+# Default `uv sync` uses the in-repo editable rerun-sdk (monorepo dev mode).
+# After syncing, also run `uv pip install ../../../rerun_py/rerun_dev_fixup` to
+# install the .pth shim that makes `import rerun` resolve to the editable source tree.
+#
+# Standalone users (e.g. sparse-checkout of just this example) run instead:
+#   uv sync --no-sources --no-dev
+# That ignores the path source below and resolves `rerun-sdk` from PyPI.
+# rerun-dev-fixup is intentionally absent from this file: uv 0.7.x resolves all
+# dependency groups and extras unconditionally, so any path-only package here would
+# block standalone `--no-sources` resolution.
+[tool.uv.sources]
+rerun-sdk = { path = "../../../rerun_py", editable = true }
+
+# Merged onto the shared base at `../_isolated/mypy.ini` by
+# scripts/ci/isolated_examples.py — list the untyped third-party libs this
+# example actually imports.
+[[tool.mypy.overrides]]
+module = ["lerobot.*", "torch.*", "torchvision.*", "diffusers.*", "accelerate.*"]
+ignore_missing_imports = true