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- #!/usr/bin/python
- # -*- coding: utf-8 -*-
- """
- Python-nvd3 is a Python wrapper for NVD3 graph library.
- NVD3 is an attempt to build re-usable charts and chart components
- for d3.js without taking away the power that d3.js gives you.
- Project location : https://github.com/areski/python-nvd3
- """
- from .NVD3Chart import NVD3Chart, TemplateMixin
- class pieChart(TemplateMixin, NVD3Chart):
- """
- A pie chart (or a circle graph) is a circular chart divided into sectors,
- illustrating numerical proportion. In chart, the arc length of each sector
- is proportional to the quantity it represents.
- Python example::
- from nvd3 import pieChart
- chart = pieChart(name='pieChart', color_category='category20c',
- height=400, width=400)
- xdata = ["Orange", "Banana", "Pear", "Kiwi", "Apple", "Strawbery",
- "Pineapple"]
- ydata = [3, 4, 0, 1, 5, 7, 3]
- extra_serie = {"tooltip": {"y_start": "", "y_end": " cal"}}
- chart.add_serie(y=ydata, x=xdata, extra=extra_serie)
- chart.buildhtml()
- print(chart.content)
- Javascript generated:
- .. include:: ./examples/pieChart.html
- """
- CHART_FILENAME = "./piechart.html"
- template_chart_nvd3 = NVD3Chart.template_environment.get_template(CHART_FILENAME)
- def __init__(self, **kwargs):
- super(pieChart, self).__init__(**kwargs)
- height = kwargs.get('height', 450)
- width = kwargs.get('width', None)
- self.donut = kwargs.get('donut', False)
- self.donutRatio = kwargs.get('donutRatio', 0.35)
- self.color_list = []
- self.create_x_axis('xAxis', format=None)
- self.create_y_axis('yAxis', format=None)
- # must have a specified height, otherwise it superimposes both chars
- if height:
- self.set_graph_height(height)
- if width:
- self.set_graph_width(width)
- self.donut = kwargs.get('donut', False)
- self.donutRatio = kwargs.get('donutRatio', 0.35)
- self.callback = kwargs.get('callback', None)
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