# Django - Notes & Useful commands

Here you can find useful Django commands:

## Django basics

```
python manage.py runserver --insecure
python manage.py shell
python manage.py makemigrations laws
python manage.py migrate
python manage.py createsuperuser
./manage.py changepassword admin  #to set the password for the Django admin user

python manage.py startapp appname
python manage.py test appname


```

## Custom commands
```
python manage.py process_laws --empty --limit 100 --min-lines 1000
python manage.py process_cases --limit 10
python manage.py import_courts --input oldp/apps/courts/data/ecli.csv --empty

```

In dev & before deployment
```

python manage.py collectstatic --noinput
python manage.py collectstatic --noinput --ignore=*.scss

./manage.py compilescss

python manage.py makemessages --locale=en --locale=de --ignore=env --ignore=workingdir
python manage.py compilemessages --l de --l en

# API token
./manage.py drf_create_token <username>

```

Migrations

```
./manage.py showmigrations

# Reset
./manage.py migrate appname zero --fake


# Login and drop tables
./manage.py dbshell

drop table cases_case;
drop table cases_relatedcase;

drop table references_casereference;
drop table references_casereferencemarker;
drop table references_lawreference;
drop table references_lawreferencemarker;


```

## Search

```
./manage.py rebuild_index
./manage.py update_index
```


## Tests

```
# All tests
./manage.py test

# Specific app tests
./manage.py test oldp.apps.cases --keepdb
```


## Cache

```bash
# run in production shell
from django.core.cache import cache

# Empty specific cache
cache.delete('my_url')

# anonymous
# "view_cache_%s_anonymous" % (request.get_full_path(), user)

# Homepage
cache.has_key("view_cache_/_anonymous")


# Empty all cache
cache.clear()
```

## Flatpages

```
/imprint/
/privacy/
/api/
```

## Sitemaps

Once the sitemaps application is added to your project, you may also ping Google using the ping_google management command:

```
python manage.py ping_google [/sitemap.xml]
```


## Generate UML diagram from models

```
apt-get install python-pygraphviz
pip install django-extensions
# add 'django_extensions' to INSTALLED_APPS in settings.py
python manage.py graph_models trees -o test.png
```