Pre-commit pyrefly check failing on main branch - blocking PRs #1200
Replies: 1 comment
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PR #1186Contributor Information
Executive SummarySuccessfully implemented Phase 1 and Phase 3 of the py-multihash v3 integration into py-libp2p, modernizing the codebase's cryptographic hash handling. This contribution replaces manual multihash construction with the official py-multihash v3 API, improving code maintainability, performance, and setting the foundation for future streaming capabilities. Impact: 5-50% performance improvement across CID operations and validation, 100% backward compatibility maintained, 43/43 tests passing. Problem StatementThe py-libp2p project was using outdated manual multihash construction and exception-based validation patterns that:
Business Impact: Technical debt accumulation, slower performance, and missed opportunities for memory-efficient file handling. Technical ApproachPhase 1: Bitswap CID Module RefactoringFiles Modified: Key Changes:
Technical Details:
Phase 3: Records Validation OptimizationFiles Modified: Key Changes:
Before: try:
multihash.decode(keyhash)
except Exception:
raise ValueError("Invalid keyhash")After: if not multihash.is_valid(keyhash):
raise ValueError("Invalid keyhash")Documentation & TestingFiles Modified:
Challenges Overcome1. Comprehensive Maintainer Review (11 Issues)Received detailed code review with critical, major, and minor issues: Critical Issues (C0-C1):
Major Issues (M1-M4):
Minor Issues (m2-m5):
Learning: Importance of thorough code review, attention to detail, and understanding project conventions. 2. Pre-commit Hook ConflictsEncountered 35 pyrefly type-checking errors in unrelated files during commit. Problem: Pre-commit configured with Solution:
Learning: Balancing pragmatic solutions with proper documentation and communication. 3. CI/CD Pipeline DebuggingNavigated multiple CI failures:
Solution:
Learning: Understanding CI/CD pipelines, debugging remote build failures, and maintaining clean git history. Technical Skills DemonstratedProgramming & Software Engineering
Development Workflow
Problem Solving
Measurable ImpactPerformance Improvements
Code Quality
Project Health
Learning & GrowthTechnical Learning
Soft Skills
Open Source Contribution
Next StepsImmediate
Future Contributions
ConclusionThis contribution demonstrates end-to-end software engineering skills: from understanding requirements, implementing solutions, addressing code review feedback, debugging CI/CD issues, to maintaining professional communication throughout. The work delivers measurable performance improvements while maintaining backward compatibility and setting the foundation for future enhancements. Key Takeaway: Successfully navigated the complete open-source contribution lifecycle as a first-time contributor, demonstrating technical competence, problem-solving ability, and professional collaboration skills. Supporting Links
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@seetadev @acul71 @sumanjeet0012 @yashksaini-coder
I've addressed all 11 review issues you identified, and I'm ready to commit. However, I'm encountering a situation I'd like your guidance on.
What I've Done
All fixes are complete and tested:
✅ C0: Namespace collision (p2pclient>=0.2.1 already in pyproject.toml)
✅ C1: Added BinaryIO type annotation to compute_cid_v1_stream
✅ M1: Added trailing newline to newsfragment
✅ M2: Removed streaming from dag.py
✅ M3: Read hash algorithm from prefix instead of hardcoding SHA-256
✅ M4: Widened exception handling in verify_cid
✅ m2-m5: All minor fixes applied
Local validation:
✅ All 43 tests passing
✅ make linux-docs passed
✅ My modified files pass ruff, mypy, and pyrefly individually
The Issue
When I run git commit (without --no-verify), the pre-commit pyrefly check fails with 35 errors. However, these errors are all in files I didn't modify:
examples/autotls/autotls.py, examples/ping/ping.py - uninitialized listen_addrs
libp2p/network/swarm.py - uninitialized Direction
tests/utils/factories.py - missing factory import
And 30+ more in other files
My modified files (libp2p/bitswap/cid.py, libp2p/bitswap/dag.py, libp2p/records/pubkey.py, tests/core/bitswap/test_cid.py) all pass pyrefly when checked individually.
My Question
I'm not sure what the best practice is here:
Should I use git commit --no-verify and let CI validate my changes?
Should I attempt to fix all 35 pyrefly errors in unrelated files as part of this PR?
Is there a different approach I should take?
I noticed your earlier comment mentioned --no-verify, but I wanted to confirm this is the right approach before pushing. I want to make sure I'm following the project's contribution guidelines correctly.
Why I'm Hesitant to Fix the Other Errors
They're in files outside the scope of my PR (multihash v3 integration)
I'm not familiar with those parts of the codebase and might introduce bugs
It would significantly expand the scope of this PR
But if fixing them is the expected approach, I'm happy to do so! Just wanted to check first.
Thanks for your patience with me.
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