django-d3-bridge
Declarative D3.js visualizations for Django — charts, maps, networks, with MQTT live updates.
Write Python, render D3.js. No JavaScript required.
Documentation | GitHub | PyPI
Install
pip install django-d3-bridge
Quick Start
# settings.py
INSTALLED_APPS = [
...
"d3_bridge",
]
# views.py
from d3_bridge import BarChart
def dashboard(request):
chart = BarChart(
data=Product.objects.values("name", "sales"),
x="name", y="sales",
title="Sales by Product",
)
return render(request, "dashboard.html", {"chart": chart})
{% load d3_bridge %}
{% d3_scripts %}
<div class="col-md-6">
{% d3_render chart %}
</div>
19 Chart Types
| Category | Charts |
|---|---|
| Basic | Bar, Line, Area, Pie, Donut, Scatter |
| Geographic | Choropleth Map, Bubble Map |
| Network | Force Graph, Sankey, Chord Diagram |
| Hierarchy | Tree, Treemap, Circle Packing, Sunburst, Dendrogram |
| Statistical | Contour Plot, Density Plot, Voronoi Diagram |
3 Data Modes
- Static — QuerySet evaluated at each page load
- Polling — auto-refresh via HTTP fetch every N seconds
- MQTT — real-time push via WebSocket
# Polling example — no WebSocket, no infrastructure
chart = LineChart(
data=initial_data,
x="timestamp", y="value",
poll_url="/api/chart/data/",
poll_interval=30,
)
Features
- Pure D3.js v7 output — inspectable, no abstraction layer
- Django QuerySet + GeoQuerySet + DataFrame serialization
- 4 themes (default, dark, bootstrap, terraf) + 7 color palettes
theme="auto"follows the browser'sprefers-color-scheme, live- Load only the chart modules you use:
{% d3_scripts charts="bar,line" %} - Responsive, animated, with tooltips — SVGs carry
role="img"+aria-label - XSS-safe rendering: chart configs are escaped like Django's
json_script - Works fully offline: D3, d3-sankey and mqtt.js vendored (
{% d3_scripts cdn=False %}) - Bootstrap grid compatible
- Escape hatch for custom D3.js code
Documentation
Full documentation with examples for every chart type:
https://altius-academy-snc.github.io/django-d3-bridge
See CHANGELOG.md for release notes.
License
MIT — Paul Guindo / Altius Academy SNC
1 maintainer
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