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README.rst

Chartkick.py

https://travis-ci.org/mher/chartkick.py.svg?branch=master

Create beautiful Javascript charts with minimal code. Demo!

Supports Chart.js, Google Charts, and Highcharts

Works with Django, Flask/Jinja2 and most browsers (including IE 6). Also available in Ruby and pure JavaScript

Usage

Line chart:

{% line_chart data %}

Pie chart:

{% pie_chart data with id='chart-1' height='400px' %}

Column chart:

{% column_chart data with min=400 max=1000 %}

Bar chart:

{% bar_chart data %}

Area chart:

{% area_chart data %}

Scatter chart:

{% scatter_chart data %}

Data

Data can be a dictionary or a list:

{'Chrome': 52.9, 'Opera': 1.6, 'Firefox': 27.7}

[['Chrome', 52.9], ['Firefox', 27.7], ['Opera', 1.6]]

For multiple series:

[{'data': [['2013-04-01 00:00:00 UTC', 52.9], ['2013-05-01 00:00:00 UTC', 50.7]], 'name': 'Chrome'},
 {'data': [['2013-04-01 00:00:00 UTC', 27.7], ['2013-05-01 00:00:00 UTC', 25.9]], 'name': 'Firefox'}]

Options

Charting library options can be passed through the library variable:

{% column_chart data with library={"title":"Super chart","width":"400px"} %}

Note

Google Charts and Highcharts have different APIs. You may need to change the value of library when you switch from one library to another.

Or using chartkick.json file. Chartkick tries to locate chartkick.json file in template path and match options by id.

Installation

Install chartkick:

$ pip install chartkick
  • Django: Add chartkick to INSTALLED_APPS and STATICFILES_DIRS:

    INSTALLED_APPS = (
        'chartkick',
    )
    
    import chartkick
    STATICFILES_DIRS = (
        chartkick.js(),
    )
    
  • Flask: Add chartkick to jinja_env and static_folder:

    import chartkick
    ck = Blueprint('ck_page', __name__, static_folder=chartkick.js(), static_url_path='/static')
    app.register_blueprint(ck, url_prefix='/ck')
    app.jinja_env.add_extension("chartkick.ext.charts")
    

Load JS scripts:

  • Chart.js

    <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.8.0/Chart.bundle.min.js"></script>
    <script src="/ck/static/chartkick.js"></script>
    
  • Google Charts

    <script src="https://www.gstatic.com/charts/loader.js"></script>
    <script src="/ck/static/chartkick.js"></script>
    
  • Highcharts

    <script src="https://code.highcharts.com/highcharts.js"></script>
    <script src="/ck/static/chartkick.js"></script>
    
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