Update test_context.py to 3.14.4#7804
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📝 WalkthroughWalkthroughThis PR removes redundant ChangesContextVar Implementation Refinement
Estimated code review effort🎯 2 (Simple) | ⏱️ ~8 minutes Poem
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📦 Library DependenciesThe following Lib/ modules were modified. Here are their dependencies: [x] test: cpython/Lib/test/test_context.py (TODO: 7) dependencies: dependent tests: (11 tests) Legend:
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🧹 Nitpick comments (1)
crates/stdlib/src/contextvars.rs (1)
537-539: 💤 Low valueSimplify the pattern matching.
The pattern
if let Some(ref arg) = zelf.default.as_ref()is unnecessarily verbose and creates a double reference. Consider simplifying toif let Some(arg) = zelf.default.as_ref().Additionally, the
.ok()on line 538 silently discards any error fromstr(vm), which will causedefaultto beNoneif the conversion fails. This will printdefault=Nonein the repr, which could be misleading (it's not that the default is None, but that we failed to get its string representation). If this matches Python 3.14.4's behavior, this is fine; otherwise, consider handling the error explicitly or propagating it.♻️ Simplified pattern matching
- Ok(if let Some(ref arg) = zelf.default.as_ref() { + Ok(if let Some(arg) = zelf.default.as_ref() { let default = arg.str(vm).ok(); - format!("<ContextVar name='{name}' default={default:?} at {id:`#x`}>",) + format!("<ContextVar name='{name}' default={default:?} at {id:`#x`}>") } else {Note: Also removed the unnecessary trailing comma in the
format!macro.🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@crates/stdlib/src/contextvars.rs` around lines 537 - 539, Simplify the pattern and stop silently dropping str(vm) errors: replace `if let Some(ref arg) = zelf.default.as_ref()` with `if let Some(arg) = zelf.default.as_ref()` and change the `.ok()` call on `arg.str(vm)` to explicitly handle the Result (e.g., `let default = match arg.str(vm) { Ok(s) => Some(s), Err(e) => Some(format!("<error: {}>", e)) };`) so the repr either shows the string or a clear error placeholder before calling `format!` for the ContextVar repr.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@crates/stdlib/src/contextvars.rs`:
- Around line 537-539: Simplify the pattern and stop silently dropping str(vm)
errors: replace `if let Some(ref arg) = zelf.default.as_ref()` with `if let
Some(arg) = zelf.default.as_ref()` and change the `.ok()` call on `arg.str(vm)`
to explicitly handle the Result (e.g., `let default = match arg.str(vm) { Ok(s)
=> Some(s), Err(e) => Some(format!("<error: {}>", e)) };`) so the repr either
shows the string or a clear error placeholder before calling `format!` for the
ContextVar repr.
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crates/stdlib/src/contextvars.rs
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