asarchami/dotfiles/python-security

# Static analysis
bandit -r src/ -ll                    # High severity only
pip-audit                             # Dependency vulnerabilities
detect-secrets scan > .secrets.baseline  # Secrets detection

exclude_dirs: [tests/, docs/, .venv/]
skips: [B101]  # assert_used - OK in tests

# SQL - Parameterized query
conn.execute("SELECT * FROM users WHERE id = ?", (user_id,))
# Commands - No shell
subprocess.run(["cat", filename], check=True)
# Secrets - Environment
API_KEY = os.environ.get("API_KEY")
# Paths - Validate
base = Path("/data").resolve()
file_path = (base / filename).resolve()
if not file_path.is_relative_to(base):
    raise ValueError("Invalid path")

# .github/workflows/security.yml
- run: bandit -r src/ -ll
- run: pip-audit
- run: detect-secrets scan --all-files

Code:
- [ ] No SQL injection (parameterized queries)
- [ ] No command injection (no shell=True)
- [ ] No hardcoded secrets
- [ ] No weak crypto (MD5/SHA1)
- [ ] Input validation on external data
- [ ] Path traversal prevention
 
Dependencies:
- [ ] pip-audit clean
- [ ] Minimal dependencies
- [ ] From trusted sources
 
CI:
- [ ] Security scan on every PR
- [ ] Weekly dependency scan