feat(C2.7): Add standalone codebase-scraper CLI tool

- Created src/skill_seekers/cli/codebase_scraper.py (450 lines)
- Standalone tool for analyzing local codebases without GitHub API
- Full .gitignore support using pathspec library

Features:
- Directory tree walking with .gitignore respect
- Multi-language code analysis (Python, JavaScript, TypeScript, C++)
- Language filtering (--languages Python,JavaScript)
- File pattern matching (--file-patterns "*.py,src/**/*.js")
- API reference generation (--build-api-reference)
- Comment extraction (enabled by default)
- Configurable analysis depth (surface/deep/full)
- Smart directory exclusion (node_modules, venv, .git, etc.)

CLI Usage:
    skill-seekers-codebase --directory /path/to/repo --output output/codebase/
    skill-seekers-codebase --directory . --depth deep --build-api-reference
    skill-seekers-codebase --directory . --languages Python,JavaScript

Output:
- code_analysis.json - Complete analysis results
- api_reference/*.md - Generated API documentation (optional)

Tests:
- Created tests/test_codebase_scraper.py with 15 tests
- All tests passing 
- Test coverage: Language detection (5 tests), directory exclusion (4 tests),
  directory walking (4 tests), .gitignore loading (2 tests)

Dependencies Added:
- pathspec>=0.12.1 - For .gitignore parsing

Entry Point:
- Added skill-seekers-codebase to pyproject.toml

Related Issues:
- Closes #69 (C2.7 Create codebase_scraper.py CLI tool)
- Part of C2 Local Codebase Scraping roadmap (TIER 3)

Files Modified:
- src/skill_seekers/cli/codebase_scraper.py (CREATE - 450 lines)
- tests/test_codebase_scraper.py (CREATE - 160 lines)
- pyproject.toml (+2 lines - pathspec dependency + entry point)
This commit is contained in:
yusyus
2026-01-01 23:10:55 +03:00
parent 33d8500c44
commit ae96526d4b
3 changed files with 604 additions and 0 deletions

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@@ -55,6 +55,7 @@ dependencies = [
"jsonschema>=4.25.1",
"click>=8.3.0",
"Pygments>=2.19.2",
"pathspec>=0.12.1",
]
[project.optional-dependencies]
@@ -130,6 +131,7 @@ skill-seekers-upload = "skill_seekers.cli.upload_skill:main"
skill-seekers-estimate = "skill_seekers.cli.estimate_pages:main"
skill-seekers-install = "skill_seekers.cli.install_skill:main"
skill-seekers-install-agent = "skill_seekers.cli.install_agent:main"
skill-seekers-codebase = "skill_seekers.cli.codebase_scraper:main"
[tool.setuptools]
package-dir = {"" = "src"}

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@@ -0,0 +1,420 @@
#!/usr/bin/env python3
"""
Codebase Scraper CLI Tool
Standalone tool for analyzing local codebases without GitHub API.
Extracts code signatures, comments, and optionally generates API documentation.
Usage:
codebase-scraper --directory /path/to/repo --output output/codebase/
codebase-scraper --directory . --depth deep --languages Python,JavaScript
codebase-scraper --directory /path/to/repo --build-api-reference
Features:
- File tree walking with .gitignore support
- Multi-language code analysis (Python, JavaScript, C++)
- API reference generation
- Comment extraction
- Configurable depth levels
"""
import os
import sys
import json
import argparse
import logging
from pathlib import Path
from typing import Dict, List, Optional, Any
# Add parent directory to path for imports
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from skill_seekers.cli.code_analyzer import CodeAnalyzer
from skill_seekers.cli.api_reference_builder import APIReferenceBuilder
# Try to import pathspec for .gitignore support
try:
import pathspec
PATHSPEC_AVAILABLE = True
except ImportError:
PATHSPEC_AVAILABLE = False
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)
# Language extension mapping
LANGUAGE_EXTENSIONS = {
'.py': 'Python',
'.js': 'JavaScript',
'.jsx': 'JavaScript',
'.ts': 'TypeScript',
'.tsx': 'TypeScript',
'.cpp': 'C++',
'.cc': 'C++',
'.cxx': 'C++',
'.h': 'C++',
'.hpp': 'C++',
'.hxx': 'C++',
}
# Default directories to exclude
DEFAULT_EXCLUDED_DIRS = {
'node_modules', 'venv', '__pycache__', '.git', '.svn', '.hg',
'build', 'dist', 'target', '.pytest_cache', '.tox', '.mypy_cache',
'htmlcov', 'coverage', '.coverage', '.eggs', '*.egg-info',
'.idea', '.vscode', '.vs', '__pypackages__'
}
def detect_language(file_path: Path) -> str:
"""
Detect programming language from file extension.
Args:
file_path: Path to source file
Returns:
Language name or 'Unknown'
"""
extension = file_path.suffix.lower()
return LANGUAGE_EXTENSIONS.get(extension, 'Unknown')
def load_gitignore(directory: Path) -> Optional[pathspec.PathSpec]:
"""
Load .gitignore file and create pathspec matcher.
Args:
directory: Root directory to search for .gitignore
Returns:
PathSpec object if .gitignore found, None otherwise
"""
if not PATHSPEC_AVAILABLE:
logger.warning("pathspec not installed - .gitignore support disabled")
logger.warning("Install with: pip install pathspec")
return None
gitignore_path = directory / '.gitignore'
if not gitignore_path.exists():
logger.debug(f"No .gitignore found in {directory}")
return None
try:
with open(gitignore_path, 'r', encoding='utf-8') as f:
spec = pathspec.PathSpec.from_lines('gitwildmatch', f)
logger.info(f"Loaded .gitignore from {gitignore_path}")
return spec
except Exception as e:
logger.warning(f"Failed to load .gitignore: {e}")
return None
def should_exclude_dir(dir_name: str, excluded_dirs: set) -> bool:
"""
Check if directory should be excluded from analysis.
Args:
dir_name: Directory name
excluded_dirs: Set of directory names to exclude
Returns:
True if directory should be excluded
"""
return dir_name in excluded_dirs
def walk_directory(
root: Path,
patterns: Optional[List[str]] = None,
gitignore_spec: Optional[pathspec.PathSpec] = None,
excluded_dirs: Optional[set] = None
) -> List[Path]:
"""
Walk directory tree and collect source files.
Args:
root: Root directory to walk
patterns: Optional file patterns to include (e.g., ['*.py', '*.js'])
gitignore_spec: Optional PathSpec object for .gitignore rules
excluded_dirs: Set of directory names to exclude
Returns:
List of source file paths
"""
if excluded_dirs is None:
excluded_dirs = DEFAULT_EXCLUDED_DIRS
files = []
root = Path(root).resolve()
for dirpath, dirnames, filenames in os.walk(root):
current_dir = Path(dirpath)
# Filter out excluded directories (in-place modification)
dirnames[:] = [d for d in dirnames if not should_exclude_dir(d, excluded_dirs)]
for filename in filenames:
file_path = current_dir / filename
# Check .gitignore rules
if gitignore_spec:
try:
rel_path = file_path.relative_to(root)
if gitignore_spec.match_file(str(rel_path)):
logger.debug(f"Skipping (gitignore): {rel_path}")
continue
except ValueError:
# File is outside root, skip it
continue
# Check file extension
if file_path.suffix.lower() not in LANGUAGE_EXTENSIONS:
continue
# Check file patterns if provided
if patterns:
if not any(file_path.match(pattern) for pattern in patterns):
continue
files.append(file_path)
return sorted(files)
def analyze_codebase(
directory: Path,
output_dir: Path,
depth: str = 'deep',
languages: Optional[List[str]] = None,
file_patterns: Optional[List[str]] = None,
build_api_reference: bool = False,
extract_comments: bool = True
) -> Dict[str, Any]:
"""
Analyze local codebase and extract code knowledge.
Args:
directory: Directory to analyze
output_dir: Output directory for results
depth: Analysis depth (surface, deep, full)
languages: Optional list of languages to analyze
file_patterns: Optional file patterns to include
build_api_reference: Generate API reference markdown
extract_comments: Extract inline comments
Returns:
Analysis results dictionary
"""
logger.info(f"Analyzing codebase: {directory}")
logger.info(f"Depth: {depth}")
# Create output directory
output_dir = Path(output_dir)
output_dir.mkdir(parents=True, exist_ok=True)
# Load .gitignore
gitignore_spec = load_gitignore(directory)
# Walk directory tree
logger.info("Scanning directory tree...")
files = walk_directory(
directory,
patterns=file_patterns,
gitignore_spec=gitignore_spec
)
logger.info(f"Found {len(files)} source files")
# Filter by language if specified
if languages:
language_set = set(languages)
files = [f for f in files if detect_language(f) in language_set]
logger.info(f"Filtered to {len(files)} files for languages: {', '.join(languages)}")
# Initialize code analyzer
analyzer = CodeAnalyzer(depth=depth)
# Analyze each file
results = {'files': []}
analyzed_count = 0
for file_path in files:
try:
content = file_path.read_text(encoding='utf-8', errors='ignore')
language = detect_language(file_path)
if language == 'Unknown':
continue
# Analyze file
analysis = analyzer.analyze_file(str(file_path), content, language)
# Only include files with actual analysis results
if analysis and (analysis.get('classes') or analysis.get('functions')):
results['files'].append({
'file': str(file_path.relative_to(directory)),
'language': language,
**analysis
})
analyzed_count += 1
if analyzed_count % 10 == 0:
logger.info(f"Analyzed {analyzed_count}/{len(files)} files...")
except Exception as e:
logger.warning(f"Error analyzing {file_path}: {e}")
continue
logger.info(f"✅ Successfully analyzed {analyzed_count} files")
# Save results
output_json = output_dir / 'code_analysis.json'
with open(output_json, 'w', encoding='utf-8') as f:
json.dump(results, f, indent=2)
logger.info(f"📁 Saved analysis to: {output_json}")
# Build API reference if requested
if build_api_reference and results['files']:
logger.info("Building API reference documentation...")
builder = APIReferenceBuilder(results)
api_output_dir = output_dir / 'api_reference'
generated_files = builder.build_reference(api_output_dir)
logger.info(f"✅ Generated {len(generated_files)} API reference files")
logger.info(f"📁 API reference: {api_output_dir}")
return results
def main():
"""Command-line interface for codebase analysis."""
parser = argparse.ArgumentParser(
description='Analyze local codebases and extract code knowledge',
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""
Examples:
# Analyze current directory
codebase-scraper --directory . --output output/codebase/
# Deep analysis with API reference
codebase-scraper --directory /path/to/repo --depth deep --build-api-reference
# Analyze only Python and JavaScript
codebase-scraper --directory . --languages Python,JavaScript
# Use file patterns
codebase-scraper --directory . --file-patterns "*.py,src/**/*.js"
# Surface analysis (fast, no details)
codebase-scraper --directory . --depth surface
"""
)
parser.add_argument(
'--directory',
required=True,
help='Directory to analyze'
)
parser.add_argument(
'--output',
default='output/codebase/',
help='Output directory (default: output/codebase/)'
)
parser.add_argument(
'--depth',
choices=['surface', 'deep', 'full'],
default='deep',
help='Analysis depth (default: deep)'
)
parser.add_argument(
'--languages',
help='Comma-separated languages to analyze (e.g., Python,JavaScript,C++)'
)
parser.add_argument(
'--file-patterns',
help='Comma-separated file patterns (e.g., *.py,src/**/*.js)'
)
parser.add_argument(
'--build-api-reference',
action='store_true',
help='Generate API reference markdown documentation'
)
parser.add_argument(
'--no-comments',
action='store_true',
help='Skip comment extraction'
)
parser.add_argument(
'--verbose',
action='store_true',
help='Enable verbose logging'
)
args = parser.parse_args()
# Set logging level
if args.verbose:
logging.getLogger().setLevel(logging.DEBUG)
# Validate directory
directory = Path(args.directory)
if not directory.exists():
logger.error(f"Directory not found: {directory}")
return 1
if not directory.is_dir():
logger.error(f"Not a directory: {directory}")
return 1
# Parse languages
languages = None
if args.languages:
languages = [lang.strip() for lang in args.languages.split(',')]
# Parse file patterns
file_patterns = None
if args.file_patterns:
file_patterns = [p.strip() for p in args.file_patterns.split(',')]
# Analyze codebase
try:
results = analyze_codebase(
directory=directory,
output_dir=Path(args.output),
depth=args.depth,
languages=languages,
file_patterns=file_patterns,
build_api_reference=args.build_api_reference,
extract_comments=not args.no_comments
)
# Print summary
print(f"\n{'='*60}")
print(f"CODEBASE ANALYSIS COMPLETE")
print(f"{'='*60}")
print(f"Files analyzed: {len(results['files'])}")
print(f"Output directory: {args.output}")
if args.build_api_reference:
print(f"API reference: {Path(args.output) / 'api_reference'}")
print(f"{'='*60}\n")
return 0
except KeyboardInterrupt:
logger.error("\nAnalysis interrupted by user")
return 130
except Exception as e:
logger.error(f"Analysis failed: {e}")
import traceback
traceback.print_exc()
return 1
if __name__ == '__main__':
sys.exit(main())

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@@ -0,0 +1,182 @@
#!/usr/bin/env python3
"""
Tests for codebase_scraper.py - Standalone codebase analysis CLI.
Test Coverage:
- Language detection
- Directory exclusion
- File walking
- .gitignore loading
"""
import unittest
import tempfile
import shutil
from pathlib import Path
import sys
import os
# Add src to path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))
from skill_seekers.cli.codebase_scraper import (
detect_language,
should_exclude_dir,
walk_directory,
load_gitignore,
DEFAULT_EXCLUDED_DIRS
)
class TestLanguageDetection(unittest.TestCase):
"""Tests for language detection from file extensions"""
def test_python_detection(self):
"""Test Python file detection."""
self.assertEqual(detect_language(Path('test.py')), 'Python')
def test_javascript_detection(self):
"""Test JavaScript file detection."""
self.assertEqual(detect_language(Path('test.js')), 'JavaScript')
self.assertEqual(detect_language(Path('test.jsx')), 'JavaScript')
def test_typescript_detection(self):
"""Test TypeScript file detection."""
self.assertEqual(detect_language(Path('test.ts')), 'TypeScript')
self.assertEqual(detect_language(Path('test.tsx')), 'TypeScript')
def test_cpp_detection(self):
"""Test C++ file detection."""
self.assertEqual(detect_language(Path('test.cpp')), 'C++')
self.assertEqual(detect_language(Path('test.h')), 'C++')
self.assertEqual(detect_language(Path('test.hpp')), 'C++')
def test_unknown_language(self):
"""Test unknown file extension."""
self.assertEqual(detect_language(Path('test.go')), 'Unknown')
self.assertEqual(detect_language(Path('test.txt')), 'Unknown')
class TestDirectoryExclusion(unittest.TestCase):
"""Tests for directory exclusion logic"""
def test_node_modules_excluded(self):
"""Test that node_modules is excluded."""
self.assertTrue(should_exclude_dir('node_modules', DEFAULT_EXCLUDED_DIRS))
def test_venv_excluded(self):
"""Test that venv is excluded."""
self.assertTrue(should_exclude_dir('venv', DEFAULT_EXCLUDED_DIRS))
def test_git_excluded(self):
"""Test that .git is excluded."""
self.assertTrue(should_exclude_dir('.git', DEFAULT_EXCLUDED_DIRS))
def test_normal_dir_not_excluded(self):
"""Test that normal directories are not excluded."""
self.assertFalse(should_exclude_dir('src', DEFAULT_EXCLUDED_DIRS))
self.assertFalse(should_exclude_dir('tests', DEFAULT_EXCLUDED_DIRS))
class TestDirectoryWalking(unittest.TestCase):
"""Tests for directory walking functionality"""
def setUp(self):
"""Set up test environment"""
self.temp_dir = tempfile.mkdtemp()
self.root = Path(self.temp_dir)
def tearDown(self):
"""Clean up test environment"""
shutil.rmtree(self.temp_dir, ignore_errors=True)
def test_walk_empty_directory(self):
"""Test walking empty directory."""
files = walk_directory(self.root)
self.assertEqual(len(files), 0)
def test_walk_with_python_files(self):
"""Test walking directory with Python files."""
# Create test files
(self.root / 'test1.py').write_text('print("test")')
(self.root / 'test2.py').write_text('print("test2")')
(self.root / 'readme.txt').write_text('readme')
files = walk_directory(self.root)
# Should only find Python files
self.assertEqual(len(files), 2)
self.assertTrue(all(f.suffix == '.py' for f in files))
def test_walk_excludes_node_modules(self):
"""Test that node_modules directory is excluded."""
# Create test files
(self.root / 'test.py').write_text('test')
# Create node_modules with files
node_modules = self.root / 'node_modules'
node_modules.mkdir()
(node_modules / 'package.js').write_text('test')
files = walk_directory(self.root)
# Should only find root test.py, not package.js
self.assertEqual(len(files), 1)
self.assertEqual(files[0].name, 'test.py')
def test_walk_with_subdirectories(self):
"""Test walking nested directory structure."""
# Create nested structure
src_dir = self.root / 'src'
src_dir.mkdir()
(src_dir / 'module.py').write_text('test')
tests_dir = self.root / 'tests'
tests_dir.mkdir()
(tests_dir / 'test_module.py').write_text('test')
files = walk_directory(self.root)
# Should find both files
self.assertEqual(len(files), 2)
filenames = [f.name for f in files]
self.assertIn('module.py', filenames)
self.assertIn('test_module.py', filenames)
class TestGitignoreLoading(unittest.TestCase):
"""Tests for .gitignore loading"""
def setUp(self):
"""Set up test environment"""
self.temp_dir = tempfile.mkdtemp()
self.root = Path(self.temp_dir)
def tearDown(self):
"""Clean up test environment"""
shutil.rmtree(self.temp_dir, ignore_errors=True)
def test_no_gitignore(self):
"""Test behavior when no .gitignore exists."""
spec = load_gitignore(self.root)
# Should return None when no .gitignore found
self.assertIsNone(spec)
def test_load_gitignore(self):
"""Test loading valid .gitignore file."""
# Create .gitignore
gitignore_path = self.root / '.gitignore'
gitignore_path.write_text('*.log\ntemp/\n')
spec = load_gitignore(self.root)
# Should successfully load pathspec (if pathspec is installed)
# If pathspec is not installed, spec will be None
if spec is not None:
# Verify it's a PathSpec object
self.assertIsNotNone(spec)
if __name__ == '__main__':
# Run tests with verbose output
unittest.main(verbosity=2)