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CONFIGURATION.md

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django-bingo Configuration

Per game settings

Settings that need to be different per game are configured in the Config model. The model will be created automatically when the game is visited with a new subdomain, otherwise you can create it manually when creating a new site. The settings are described in the help text of the model fields.

Notes

  • At least one of the settings GAME_HARD_TIMEOUT or GAME_SOFT_TIMEOUT must be set, even when GAME_END_TIME is set. When both are None, the game never ends and no new game can be created on the next day.

Game Times

  • POLLING_INTERVAL how often to poll for new votes.
  • POLLING_INTERVAL_SSE how often to poll for new votes, when server-sent events are used. 0 disables polling, when server-sent events are used.

Notes

  • You may want to set POLLING_INTERVAL_SSE to a smaller (but bigger than 0) value than user active timeout in the Config model, to mark users as active, who still have their boards open, but did not vote for user active timeout minutes.

Image style

  • BORDER size of the field border in the images.
  • H_BOX_PADDING, V_BOX_PADDING padding of the fields in the images.
  • H_LINE_MARGIN, V_LINE_MARGIN margin of the text in the images. Needed to render multiline text nicely.
  • COLOR_FROM, COLOR_TO two integer values. the RGB-values of the randomly generated color for marking fields will be chosen from this range.
  • NEUTRAL_FIELD_COLOR background color of neutral fields
  • NEUTRAL_WORD_COLOR word color of neutral fields
  • MIDDLE_FIELD_COLOR background color of middle fields
  • MIDDLE_WORD_COLOR word color of middle fields
  • no MARKED_FIELD_COLOR, because its chosen randomly from COLOR_FROM to COLOR_TO
  • MARKED_WORD_COLOR word color of marked fields
  • no VOTED_FIELD_COLOR, because its chosen randomly from COLOR_FROM to COLOR_TO
  • VOTES_WORD_COLOR word color of neutral fields
  • VETO_FIELD_COLOR background color of veto fields
  • VETO_WORD_COLOR word color of veto fields
  • FONT_SIZE the font size in the images.
  • BINGO_IMAGE_DATETIME_FORMAT format for the datetime in the board images

Thumbnails

  • THUMBNAIL_CACHE_EXPIRY time a board thumbnail is cached (seconds).
  • OLD_THUMBNAIL_CACHE_EXPIRY time a board thumbnail from an old game is cached (seconds).
  • THUMBNAIL_WIDTH / THUMBNAIL_HEIGHT maximum width/height of the thumbnails.

Server-sent Events

With server-sent events, the game needs less polling for vote numbers and the numbers are displayed almost instantly. You need a Redis database and you have to run a second process to deliver the events.

Configuration:

  • install python modules sse, flask, redis and gevent.
  • deploy bin/django-bingo-serversent.py somewhere. you can set the SITE_ID of your bingo instance via the environment variable SITE_ID. You need to use some async server, such as gunicorn with gevent workers.
    • At the moment you need to edit the script to change the redis server address. Depending on your deployment you may need to change the @application.route("/") to the path in your url as well.
  • set USE_SSE to True
  • set SSE_URL to the url, where the server can be reached.
  • REDIS_HOST and REDIS_PORT can be used to specify the address of your redis instance for the django app.

Themes

  • THEME relative or absolute URL to a theme. When the string does not start with "/", "http://" or "https://", the string is interpreted as a static files path. (Default: None)
  • THEMES A list of themes, which will be available via a theme chooser. Example: THEMES = (('dark', 'bingo/themes/dark.css'), ('some other theme', 'http://mysite/mytheme.css')) (Default: a "dark" theme. None will disable the theme chooser)

django settings

  • CACHE You need to increase 'OPTIONS': {'MAX_ENTRIES': XXXXX} to cache enough entries. The cached entries can quickly add up to a large number of keys, while the stored data is rather small, and having too little cache will rapidly increase the number of database queries. You need at least:
    • word cache: 1 entry per board currently viewed by users or visible on the front page.
    • thumbnail cache: 1 entry per thumbnail visible on the front page or viewed on game pages.
    • vote cache: 2 entries per game currently viewed by users or visible on front page.
    • game_expired: 1 entry per game.
    • Note:* the "visible on the front page" is only relevant, when thumbnails are enabled.
    • Example: 50 words, 10 games visible, each with 10 boards: 100 + 100 + 2*100 + 10 = 410 entries.