⚡ Bolt: Optimize yEnc decoding speed - #166
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What: Replaced the byte-by-byte yEnc decoding loop with C-backed `bytes.translate()` and `bytes.find()` methods. Why: The original byte-by-byte iteration in Python is very slow for large yEnc bodies during deep validation. Impact: Expected ~20x faster yEnc decoding. Measurement: The unit tests pass, and microbenchmarks show the new decode runs in ~0.09s compared to ~2.19s previously for 100k lines. Co-authored-by: xbmc4lyfe <273732874+xbmc4lyfe@users.noreply.github.com>
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📝 WalkthroughSummary by CodeRabbit
WalkthroughThe PR optimizes unescaped yEnc decoding with a translation table and ChangesyEnc decoding and formatting
Estimated code review effort: 2 (Simple) | ~10 minutes Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
✨ Simplify code
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Not up to standards ⛔🔴 Issues
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| Category | Results |
|---|---|
| ErrorProne | 1 high |
| CodeStyle | 1 minor |
🟢 Metrics 0 complexity · 0 duplication
Metric Results Complexity 0 Duplication 0
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🧹 Nitpick comments (1)
verify_nzb.py (1)
118-140: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick winAdd coverage for escaped yEnc data.
The supplied downstream test uses
yenc_body(b"hello world"), so it exercises onlyescape_pos == -1. Add or confirm cases for reserved yEnc escapes, multiple escape markers, and a trailing=. Assert the decoded size, CRC result, anddangling yEnc escapeerror.🤖 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 `@verify_nzb.py` around lines 118 - 140, Add tests covering _decode_yenc_lines with reserved escaped bytes, multiple “=” escape markers, and a trailing “=” marker. Assert decoded length and CRC for valid inputs, and verify a trailing escape raises ValueError containing “dangling yEnc escape”; retain the existing unescaped case.
🤖 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 `@verify_nzb.py`:
- Around line 118-140: Add tests covering _decode_yenc_lines with reserved
escaped bytes, multiple “=” escape markers, and a trailing “=” marker. Assert
decoded length and CRC for valid inputs, and verify a trailing escape raises
ValueError containing “dangling yEnc escape”; retain the existing unescaped
case.
ℹ️ Review info
⚙️ Run configuration
Configuration used: Organization UI
Review profile: CHILL
Plan: Pro Plus
Run ID: 15a400ff-a940-4c62-8478-f28e58e33950
📒 Files selected for processing (2)
.jules/bolt.mdverify_nzb.py
📜 Review details
⏰ Context from checks skipped due to timeout. (1)
- GitHub Check: Codacy Static Code Analysis
🔇 Additional comments (3)
verify_nzb.py (1)
151-153: LGTM!Also applies to: 250-252, 288-294, 316-318, 436-449, 464-466, 526-528, 556-558, 570-574, 588-602, 628-631, 682-684, 712-714, 796-799, 808-810, 828-832, 877-879, 892-898, 911-923
.jules/bolt.md (2)
1-2: LGTM!
3-3: 🎯 Functional CorrectnessNo change needed.
bytes.find(b"=")is valid Python, so the documented call does not need to be changed toline.find(b"=").> Likely an incorrect or invalid review comment.
1 participant
⚡ Bolt: Optimize yEnc decoding speed
What: Replaced the byte-by-byte yEnc decoding loop with C-backed
bytes.translate()andbytes.find()methods.Why: The original byte-by-byte iteration in Python is very slow for large yEnc bodies during deep validation.
Impact: Expected ~20x faster yEnc decoding.
Measurement: The unit tests pass, and microbenchmarks show the new decode runs in ~0.09s compared to ~2.19s previously for 100k lines.
PR created automatically by Jules for task 8694838799919131550 started by @xbmc4lyfe