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feat(expr-ir): Add `read_{csv,parquet}`#3370

Merged

dangotbanned merged 11 commits intooh-nodesnarwhals-dev/narwhals:oh-nodesfrom

expr-ir/frame-importnarwhals-dev/narwhals:expr-ir/frame-importCopy head branch name to clipboard

Dec 24, 2025

Conversation Commits11 (11)Checks Files changed

Merged

feat(expr-ir): Add `read_{csv,parquet}`#3370
dangotbanned merged 11 commits intooh-nodesfrom
expr-ir/frame-import

Commits

Commits on Dec 23, 2025

feat(expr-ir): Add `read_{csv,parquet}`
dangotbanned
committed
feat: Add `ArrowNamespace.read_{csv,parquet}`
dangotbanned
committed
test: Move `range_test` fixtures to `conftest`
dangotbanned
committed
test: Cover `read_{csv,parquet}`
dangotbanned
committed
ugh, imports
dangotbanned
committed
chore(typing): Stub out some lazy support
dangotbanned
committed
feat(typing): Make more granular protocols for IO methods
dangotbanned
committed
feat(typing): Add type guards for io methods
dangotbanned
committed
refactor: Use `{Eager,Lazy}Output`
dangotbanned
committed

Commits on Dec 24, 2025

fix(typing): Slog through `read_*` overloads/narrowing
dangotbanned
committed
test: Move single use marks into `param`
dangotbanned
committed

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