Update some deps by ShaharNaveh · Pull Request #6053 · RustPython/RustPython

ShaharNaveh

Walkthrough

Dependency versions were updated across several Cargo.toml files. The root workspace updated bitflags, indexmap, and widestring. The stdlib crate updated bzip2 (with feature adjustments) and gethostname. The vm crate updated which and num_cpus for specific targets. No changes to public APIs or features occurred.

Changes

Cohort / File(s)	Change Summary
Workspace Dependency Updates `Cargo.toml`	Updated `bitflags` (2.4.2 → 2.9.1), `indexmap` (2.2.6 → 2.10.0), and `widestring` (1.1.0 → 1.2.0).
stdlib Dependency Updates `stdlib/Cargo.toml`	Updated `bzip2` (0.5 + feature → 0.6, feature removed) and `gethostname` (1.0.0 → 1.0.2).
vm Dependency Updates `vm/Cargo.toml`	Updated `which` (7 → 8) and `num_cpus` (1.13.1 → 1.17.0) for non-wasm32/wasi targets.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐇
A hop through the fields of versioned code,
Dependencies freshen, lightening the load.
Bitflags and bzip2, all up to date,
Indexmaps widen, the future looks great!
With each gentle nudge, our garden will grow—
Onward we leap, with updates in tow!
🌱✨

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📜 Recent review details

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📥 Commits

Reviewing files that changed from the base of the PR and between c3754cd and eb314df.

⛔ Files ignored due to path filters (1)

Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

Cargo.toml (3 hunks)
stdlib/Cargo.toml (2 hunks)
vm/Cargo.toml (2 hunks)

🧰 Additional context used

🧠 Learnings (3)

📓 Common learnings

Learnt from: CR
PR: RustPython/RustPython#0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-19T03:16:56.511Z
Learning: Generate documentation with `cargo doc --no-deps --all`

📚 Learning: in cargo build scripts (build.rs), the environment variable cargo_cfg_target_os is guaranteed to exi...

Learnt from: arihant2math
PR: RustPython/RustPython#5790
File: build.rs:2-2
Timestamp: 2025-06-28T16:31:03.991Z
Learning: In Cargo build scripts (build.rs), the environment variable CARGO_CFG_TARGET_OS is guaranteed to exist and is automatically set by Cargo during the build process, making unwrap() safe to use when accessing this variable.

Applied to files:

stdlib/Cargo.toml
vm/Cargo.toml

📚 Learning: applies to **/*.rs : follow rust best practices for error handling and memory management...

Learnt from: CR
PR: RustPython/RustPython#0
File: .github/copilot-instructions.md:0-0
Timestamp: 2025-07-19T03:16:56.511Z
Learning: Applies to **/*.rs : Follow Rust best practices for error handling and memory management

Applied to files:

vm/Cargo.toml

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)

GitHub Check: Run snippets and cpython tests (windows-latest)
GitHub Check: Run rust tests (windows-latest)

🔇 Additional comments (7)

stdlib/Cargo.toml (2)

81-84: Check that removing the explicit libbz2-rs-sys feature still links correctly on all targets

bzip2 = "0.6" now enables libbz2-rs-sys implicitly.
On some CI images the C library is absent, causing the crate to fall back to the pure-Rust implementation and significantly slow down bz2 handling in the bz2 module.

Please verify that:

Native libbz2 is available (or intentionally not) on every tier-1 platform you ship binaries for.

The crate still compiles for wasm32 and other no_std/cross-compile targets.

If you rely on the native path, consider pinning
bzip2 = { version = "0.6", default-features = false, features = ["libbz2-rs-sys"] }
so future upstream default-feature changes don’t silently alter behaviour.

105-107: Minor gethostname bump looks safe

gethostname 1.0.2 only fixes build warnings; no API changes.
Good to merge.
Cargo.toml (3)

165-170: bitflags 2.9.1 upgrade – watch for the new serde gating

Starting with 2.8 the serde feature was renamed to serde (was serde_derive pre-2.0) and defaults changed.
Nothing in the workspace opts into that feature today, but if downstream crates rely on Serialize/Deserialize you may need
bitflags = { version = "2.9.1", features = ["serde"] }
Otherwise 👍.

178-181: indexmap 2.10.0 – confirm MSRV bump

2.9 raised the MSRV to 1.70. Ensure the workspace toolchain (currently 1.85) remains ≥ that in CI.
No API breakage, so fine otherwise.

223-226: widestring 1.2.0 contains a small API addition only

No breaking changes; good to go.
vm/Cargo.toml (2)

109-111: num_cpus 1.17.0 – LGTM

Patch release, no API changes.

99-103: No deprecated which_in_all usage found; upgrade to which 8 is safe.

Ran a repository-wide search for which_in_all( and found no matches. There are no call‐sites to replace with the iterator API.

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