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Fan-developed deckbuilder and community website for the card game Ashes: Rise of the Phoenixborn
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webpack.config.js Flask app

The project has the following dependencies:

  • Python 3 / pip
  • virtualenv
  • Node.js / npm

Install project dependencies


  1. Install Homebrew then Python 3:

     brew install python3
  2. Install pip, if necessary:

     sudo easy_install pip3
  3. Install virtualenv:

     sudo pip3 install virtualenv
  4. Install NodeJS (and npm)

Linux subsystem for Windows running Ubuntu

  1. Install the Linux subsystem for Windows, and then the Ubuntu distribution (docs)

  2. Launch the newly-installed bash.exe to enter the Linux terminal (all commands will be run here)

  3. Install pip (Python 3 is installed by default as python3):

     sudo apt-get install python3-pip
  4. Install virtualenv:

     sudo pip3 install virtualenv
  5. Install NodeJS:

     sudo apt-get update
     curl -sL | sudo -E bash -
     sudo apt-get install nodejs

Install site dependencies

  1. Within the project directory, setup virtualenv:

     virtualenv -p python3 venv
  2. Install site requirements:

     . venv/bin/activate
     pip3 install -r requirements.txt
     npm install
  3. Follow configuration instructions below, then initialize the database:

     . venv/bin/activate
     ./ db upgrade


For development servers:

  1. Create /config/development/ and copy all "Environment-specific" variables from /config/ into it

  2. Customize config variables for local development environment

  3. Execute the following:

     npm start
  4. Load the specified URL in browser

For production servers:

  1. Create /config/production/ and copy all "Environment-specific" variables from /config/ into it
  2. Customize config variables for production environment
  3. Enable mod_wsgi and point it toward /app.wsgi
  4. Setup rules to serve all immediate children of /app/static and all recursive children of /app/static/css, /app/static/fonts, /app/static/images, and /app/static/js statically

Editing the site is written in Python using the Flask framework, with the deck builder and card browser implemented in VueJS. Data is available via SQL Alchemy with a mySQL database backend, and database schema is controlled via Alembic migrations.

Source files

  • /_assets: card data files and related scripts (these are used to generate the data that populates the site, but are not directly accessed by the site logic)
  • /app: Flask application folder. You will be working with these files if you modify or add any Python logic.
  • /app/static/src: VueJS app (and global scripts). Any modifications to the deck builder/card browser must be made here, and then compiled with npm run build (compiled Javascript lives in /app/static/js).
  • /app/static/css.esdynamo: LESS stylesheet folder. Any modifications to the styles must be compiled with npm run build (compiled CSS lives in /app/static/css).
  • /migrations: Alembic migration logic. Card JSON is stored in /migrations/data and migration version files are in /migrations/versions


The deck builder uses Vuex for managing state. Basically, none of the source files for the deck builder access data directly. Instead, they all call through this.$store to view or commit changes to the global state. The store object is defined in /app/static/src/app/store.js. Actual logic for filtering, sorting, and fetching card data is handled by /app/static/src/app/card_manager.js. Currently, all card data is fetched as soon as the deck builder is loaded, and stored client-side. Due to the relatively small number of cards in Ashes, this proved more performant on most devices than loading card data asynchronously.

Editing views

Whenever you create a new Python view or API file, you will need to import it and register the route blueprint in /

Editing models

Editing Python models necessitates an Alembic migration to modify the database. Typically, you will do the following:

  1. Modify (or create) the Flask model. If creating a new file, make sure to import it in / (otherwise Alembic will not notice it).
  2. After entering the virtual environment, run ./ db migrate -m "Short description"
  3. Locate the resulting file in /migrations/versions. You will need to strip out a bunch of the extra indices that Alembic is trying to re-create (I have not had a chance to track down why it is doing this), and double check that your defined model properties are included correctly.
  4. Run ./ db upgrade to apply your migration

If you need to inspect the history, ./ db history -r-10: will give you the 10 latest migrations, and ./ db current will output the ID of the current migration.

Coding style

Use 4 spaces for indenting Python, and tabs for indenting everything else. No semicolons in Javascript, please. Otherwise, try to match the existing style used across the site.

Adding expansions

  1. Create card data files in _assets/card-data/ following naming pattern ID-expansion.txt (e.g. 014-king-of-titans.txt). Card data formatting is documented in _assets/generate-card-json.js.

  2. Process card data files on command line:

     cd _assets/
     ./generate-card-json.js card-data/FOLDER_NAME
  3. Verify card dice requirements for any cards with costs in their effects (these tend to parse poorly).

  4. Create a new migration and copy the hash

  5. Move exported card JSON into migrations/data/ named like HASH_expansion_name.json

  6. Copy and paste migration logic from most recent expansion migration, modifying as necessary

  7. Add expansion ID and name to config/

  8. Add expansion ID to app/static/src/global.js

  9. Add new Phoenixborn to app/static/css.esdynamo/styles.less in two locations (search for mixin-phoenixborn-slice)

  10. Add card images to app/static/images/cards/


  • npm start or npm run start: run development server
  • npm run venv: enter virtual environment
  • npm run upgrade: upgrade Python and Node dependencies to latest specified versions
  • npm run build: parse Javascript (via webpack) and LESS files
  • npm run build-production: build production-ready JS and CSS files (may require export NODE_ENV='production' first)
  • npm run lint: lint Javascript files
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