
About
Verification loop for Django projects: migrations, linting, tests with coverage, security scans, and deployment readiness checks before release or PR.
name: django-verification description: "Verification loop for Django projects: migrations, linting, tests with coverage, security scans, and deployment readiness checks before release or PR." origin: ECC
Django Verification Loop
Run before PRs, after major changes, and pre-deploy to ensure Django application quality and security.
When to Activate
- Before opening a pull request for a Django project
- After major model changes, migration updates, or dependency upgrades
- Pre-deployment verification for staging or production
- Running full environment → lint → test → security → deploy readiness pipeline
- Validating migration safety and test coverage
Phase 1: Environment Check
# Verify Python version
python --version # Should match project requirements
# Check virtual environment
which python
pip list --outdated
# Verify environment variables
python -c "import os; import environ; print('DJANGO_SECRET_KEY set' if os.environ.get('DJANGO_SECRET_KEY') else 'MISSING: DJANGO_SECRET_KEY')"
If environment is misconfigured, stop and fix.
Phase 2: Code Quality & Formatting
# Type checking
mypy . --config-file pyproject.toml
# Linting with ruff
ruff check . --fix
# Formatting with black
black . --check
black . # Auto-fix
# Import sorting
isort . --check-only
isort . # Auto-fix
# Django-specific checks
python manage.py check --deploy
Common issues:
- Missing type hints on public functions
- PEP 8 formatting violations
- Unsorted imports
- Debug settings left in production configuration
Phase 3: Migrations
# Check for unapplied migrations
python manage.py showmigrations
# Create missing migrations
python manage.py makemigrations --check
# Dry-run migration application
python manage.py migrate --plan
# Apply migrations (test environment)
python manage.py migrate
# Check for migration conflicts
python manage.py makemigrations --merge # Only if conflicts exist
Report:
- Number of pending migrations
- Any migration conflicts
- Model changes without migrations
Phase 4: Tests + Coverage
# Run all tests with pytest
pytest --cov=apps --cov-report=html --cov-report=term-missing --reuse-db
# Run specific app tests
pytest apps/users/tests/
# Run with markers
pytest -m "not slow" # Skip slow tests
pytest -m integration # Only integration tests
# Coverage report
open htmlcov/index.html
Report:
- Total tests: X passed, Y failed, Z skipped
- Overall coverage: XX%
- Per-app coverage breakdown
Coverage targets:
| Component | Target | |-----------|--------| | Models | 90%+ | | Serializers | 85%+ | | Views | 80%+ | | Services | 90%+ | | Overall | 80%+ |
Phase 5: Security Scan
# Dependency vulnerabilities
pip-audit
safety check --full-report
# Django security checks
python manage.py check --deploy
# Bandit security linter
bandit -r . -f json -o bandit-report.json
# Secret scanning (if gitleaks is installed)
gitleaks detect --source . --verbose
# Environment variable check
python -c "from django.core.exceptions import ImproperlyConfigured; from django.conf import settings; settings.DEBUG"
Report:
- Vulnerable dependencies found
- Security configuration issues
- Hardcoded secrets detected
- DEBUG mode status (should be False in production)
Phase 6: Django Management Commands
# Check for model issues
python manage.py check
# Collect static files
python manage.py collectstatic --noinput --clear
# Create superuser (if needed for tests)
echo "from apps.users.models import User; User.objects.create_superuser('admin@example.com', 'admin')" | python manage.py shell
# Database integrity
python manage.py check --database default
# Cache verification (if using Redis)
python -c "from django.core.cache import cache; cache.set('test', 'value', 10); print(cache.get('test'))"
Phase 7: Performance Checks
# Django Debug Toolbar output (check for N+1 queries)
# Run in dev mode with DEBUG=True and access a page
# Look for duplicate queries in SQL panel
# Query count analysis
django-admin debugsqlshell # If django-debug-sqlshell installed
# Check for missing indexes
python manage.py shell << EOF
from django.db import connection
with connection.cursor() as cursor:
cursor.execute("SELECT table_name, index_name FROM information_schema.statistics WHERE table_schema = 'public'")
print(cursor.fetchall())
EOF
Report:
- Number of queries per page (should be < 50 for typical pages)
- Missing database indexes
- Duplicate queries detected
Phase 8: Static Assets
# Check for npm dependencies (if using npm)
npm audit
npm audit fix
# Build static files (if using webpack/vite)
npm run build
# Verify static files
ls -la staticfiles/
python manage.py findstatic css/style.css
Phase 9: Configuration Review
# Run in Python shell to verify settings
python manage.py shell << EOF
from django.conf import settings
import os
# Critical checks
checks = {
'DEBUG is False': n
Compatible Tools
Claude CodeCursor
Tags
Testing

