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accounts
pmc
user_code
.gitignore
.notes.swp
README.md
manage.py
notes
requirements.txt
southmigrations.txt

README.md

Accounts management in Django for the web book, Probabilistic Models of Cognition. This project provides accounts for users and saving and retrieving code for users.

Local installation

Set up virtualenv to install the requirements:

virtualenv --python=/path/to/python env
source env/bin/activate
pip install -r requirements.txt

On OS X with MacPorts, the python path is likely to be /opt/local/bin/python. You'll want to run this with Python 2.7.

Next, initialize the database. First, inside pmc/settings.py, edit the INSTALLED_APPS variable: comment out everything except for south, all the django.contrib lines, and custom_user. Then, run ./manage.py syncdb. Now, uncomment the lines in INSTALLED_APPS. Afterwards, for each app that you commented out, run:

./manage.py schemamigration APPNAME --initial

And then, for each app, run:

./manage.py migrate APPNAME

To update migrations, we use ./manage.py schemamigration APPNAME --auto and ./manage.py migrate APPNAME.

Apps

Currently, there are two apps in this project: accounts and user_code.

accounts

Wraps all the functionality to manage user accounts. It also provides a UI platform to view and save code. It provides the view and template for the following urls:

  • register
  • login
  • logout
  • home
  • exercise/_all
  • exercise/<exercise name>

register, login, and logout are for user authentication. After a user logs in, they are redirected to the home page

home is the user's profile. If an unauthenticated user tries to access this page, it will redirect them to the login page. It contains a link to all_exercises.

exercise/_all lists all the exercises currently present in the database. The exercises correspond to each church code box on the website. Each exercise name is a link to the individual exercises' page. This page does not require user authentication. Currently, this page contains a textarea. When this page is submitted, the code in the textarea is saved as a instance of a user_code of a hard coded exercise name. This tests the functionality of adding a new exercise through the static html pages with javascript.

exercise/<exercise name> contains a link to the most recently saved exercise code and a textarea to save a new instance of an exercise code.

user_code

Takes care of the functionality of retrieving and saving exercise codes. It provides the view and template for this url:

  • code/<exercise_name>

When the request is a GET request, it will serve a page back with the most recently saved code for the user for the specific exercise. If the exercise does not exists, it will say so. Currently, if a user is not authenticated, it will not do anything in the database. When the request is a POST request, it will save the submitted text with the user id and the exercise id. If the exercise name does not exist, it will create the exercise and then save it, again with the user id and the exercise name (that now exists). If a user is not authenticated, it will also do nothing.

Deploying

Need to make sure that custom_user and south are added to the INSTALLED_APPS section of settings.py

To actually deploy any changes, SSH to the server. Then cd to the django directory and do:

git pull origin master
sudo service uwsgi restart
sudo service nginx restart