GeezerVison is showing github.com — Expose symbol scopes through _symtable by YangSiJun528 · Pull Request #8538 · RustPython/RustPython
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YangSiJun528
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Aug 16, 2026
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edited by coderabbitai
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Summary
_symtable omitted symbol scope information, causing Lib/symtable.py to report incorrect globals, locals, and free variables.
Expose the missing scope information so the public symtable API returns CPython-compatible results.
Testing
cargo run --release -- -m test test_symtable
AI assistance
Codex (GPT-5) was used to investigate and implement this change.
I reviewed and validated all AI-assisted work.
Summary by CodeRabbit
- Bug Fixes
- Corrected symbol table results to include both symbol flags and scope information.
- Improved the accuracy of symbol metadata returned to callers.
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Pack symbol scopes with definition flags in _symtable.symbols for
Lib/symtable.py.
Assisted-by: Codex:gpt-5
coderabbitai
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Aug 16, 2026
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No actionable comments were generated in the recent review. 🎉
ℹ️ Recent review info
⚙️ Run configuration
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Run ID: 3aa4bb6f-4909-448f-8395-028131f51fec
📥 Commits
Reviewing files that changed from the base of the PR and between aaeab4f and 62dd3ca.
⛔ Files ignored due to path filters (1)
Lib/test/test_symtable.py is excluded by !Lib/**
📒 Files selected for processing (1)
crates/vm/src/stdlib/_symtable.rs
Included review availability: Your plan includes up to 10 reviews per rolling hour; 9 remain after this review.
📝 Walkthrough
Walkthrough
PySymbolTable.symbols now returns symbol flags combined with the symbol scope shifted by SCOPE_OFFSET.
Changes
Symbol scope encoding
| Layer / File(s) |
Summary |
Encode symbol scope values
crates/vm/src/stdlib/_symtable.rs |
PySymbolTable.symbols combines each symbol’s flag bits with its shifted scope classification. |
Estimated code review effort: 2 (Simple) | ~5 minutes
Merge Risk: ⚪ Minimal · up to 62dd3
This is a localized behavior fix with no actionable merge-blocking risk remaining; merge after normal formatting and lint checks.
Possibly related PRs
Suggested reviewers: shaharnaveh, youknowone
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
| Check name |
Status |
Explanation |
| Description Check |
✅ Passed |
Check skipped - CodeRabbit’s high-level summary is enabled. |
| Title check |
✅ Passed |
The title clearly and concisely describes the main change: exposing symbol scopes through _symtable. |
| Docstring Coverage |
✅ Passed |
No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. |
| Linked Issues check |
✅ Passed |
Check skipped because no linked issues were found for this pull request. |
| Out of Scope Changes check |
✅ Passed |
Check skipped because no linked issues were found for this pull request. |
✨ Finishing Touches
🧪 Generate unit tests (beta)
- Create PR with unit tests
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📦 Library Dependencies
The following Lib/ modules were modified. Here are their dependencies:
[x] lib: cpython/Lib/symtable.py
[x] test: cpython/Lib/test/test_symtable.py (TODO: 5)
dependencies:
dependent tests: (2 tests)
- symtable: test_inspect test_symtable
Legend:
[+] path exists in CPython[x] up-to-date, [ ] outdated
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ty for looking into it:)
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youknowone
pushed a commit
that referenced
this pull request
Sep 16, 2026
Pack symbol scopes with definition flags in _symtable.symbols for
Lib/symtable.py.
Assisted-by: Codex:gpt-5
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