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Summary

This PR implements PR #4 from the Python Stdlib Registry Production Tech Spec - the observability and validation features for the stdlib registry system.

What's Included

Enhanced Resolution Report - Stdlib-specific metrics in resolution-report command
Regression Test Suite - Comprehensive tests to prevent future breakage
Documentation - Complete guides added to cpf_plans directory


Changes

1. Enhanced Resolution Report (cmd/resolution_report.go)

Added stdlib registry statistics section with:

  • Total stdlib resolutions - Count and percentage of resolved calls
  • Resolution source breakdown - Type annotations, type inference, builtin registry
  • Type classification - Functions, classes, methods, constants
  • Top 10 modules - Most frequently used stdlib modules

Example output:

Stdlib Registry Statistics:
  Total stdlib resolutions:  342 (45.2% of resolved)

  Resolution source:
    Type inference:    203 (59.4%)
    Builtin registry:  139 (40.6%)

  By type:
    function:          285 (83.3%)
    method:            45 (13.2%)
    class:             12 (3.5%)

  Top 10 modules:
     1. os              98 calls
     2. sys             67 calls
     3. pathlib         54 calls
     4. json            32 calls
     5. re              28 calls

2. Regression Test Suite (graph/callgraph/stdlib_registry_regression_test.go)

Comprehensive test coverage including:

  • TestStdlibRegressionSuite - Core module tests (os, pathlib, json, sys)
  • TestStdlibResolutionThreshold - Ensures 80% minimum resolution rate
  • TestStdlibEdgeCases - Aliased imports, from imports, multiple modules
  • TestStdlibNoRegression - Baseline test to catch regressions

Test results: All 11 test cases passing ✅

3. Documentation (cpf_plans directory)

Added comprehensive documentation:

  • user-guide.md (390 lines) - How to use the stdlib registry system
  • architecture.md (600+ lines) - Technical design and implementation
  • contributor-guide.md (370 lines) - Maintenance and extension guide

Note: Documentation is in cpf_plans directory (not in code repo) as requested.


Testing

gradle buildGo  # SUCCESS (915ms)
gradle testGo   # All packages OK

All regression tests pass, including new stdlib validation tests.


Related

🤖 Generated with Claude Code

This PR implements observability features for the Python stdlib registry system:

**Enhanced Resolution Report**:
- Added stdlib-specific statistics tracking (total resolutions, by module, by type)
- Resolution source breakdown (annotations, type inference, builtin registry)
- Top 10 most-used stdlib modules
- Type classification (function, class, method, constant)

**Regression Test Suite**:
- Comprehensive test coverage for os, pathlib, json, sys modules
- Resolution threshold validation (80% minimum resolution rate)
- Edge case testing (aliased imports, from imports, multiple modules)
- Baseline regression tests to prevent future breakage

**Documentation**:
- User guide, architecture guide, and contributor guide added to cpf_plans
- Complete documentation for stdlib registry system usage and maintenance

Changes:
- cmd/resolution_report.go: Added stdlib statistics tracking and reporting
- graph/callgraph/stdlib_registry_regression_test.go: New comprehensive test suite

All tests passing (gradle testGo).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>
@safedep
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safedep bot commented Nov 2, 2025

SafeDep Report Summary

Green Malicious Packages Badge Green Vulnerable Packages Badge Green Risky License Badge

No dependency changes detected. Nothing to scan.

This report is generated by SafeDep Github App

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codecov bot commented Nov 2, 2025

Codecov Report

❌ Patch coverage is 50.84746% with 58 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.91%. Comparing base (06d8424) to head (8f1696b).
⚠️ Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
sourcecode-parser/cmd/resolution_report.go 50.84% 57 Missing and 1 partial ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main     #342      +/-   ##
==========================================
+ Coverage   74.88%   74.91%   +0.02%     
==========================================
  Files          47       47              
  Lines        5448     5566     +118     
==========================================
+ Hits         4080     4170      +90     
- Misses       1193     1221      +28     
  Partials      175      175              

☔ View full report in Codecov by Sentry.
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…ions

- Fix gocritic ifElseChain: Convert if-else to switch statement
- Fix godot: Add period to comment
- Add comprehensive test coverage for stdlib helper functions:
  - TestIsStdlibResolution: 10 test cases
  - TestExtractModuleName: 5 test cases
  - TestDetermineStdlibType: 9 test cases
  - TestAggregateResolutionStatistics_WithStdlib: Integration test

Coverage improved from 55.7% to 56.5%.

All tests passing: gradle testGo ✅
All lint checks passing: gradle lintGo ✅
@shivasurya shivasurya merged commit 3ed6a7e into main Nov 2, 2025
4 of 5 checks passed
@shivasurya shivasurya deleted the feat/stdlib-registry-observability branch November 2, 2025 02:22
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2 participants