mybuddy/reports/graphs/weight_weight.py

36 lines
1.0 KiB
Python

# -*- coding: utf-8 -*-
import plotly.offline as plotly
import plotly.graph_objs as go
from reports import utils
def weight_weight(objects):
"""
Create a graph showing weight over time.
:param objects: a QuerySet of Weight instances.
:returns: a tuple of the the graph's html and javascript.
"""
objects = objects.order_by('-date')
trace = go.Scatter(
name='Weight',
x=list(objects.values_list('date', flat=True)),
y=list(objects.values_list('weight', flat=True)),
fill='tozeroy',
)
layout_args = utils.default_graph_layout_options()
layout_args['barmode'] = 'stack'
layout_args['title'] = '<b>Weight</b>'
layout_args['xaxis']['title'] = 'Date'
layout_args['xaxis']['rangeselector'] = utils.rangeselector_date()
layout_args['yaxis']['title'] = 'Weight'
fig = go.Figure({
'data': [trace],
'layout': go.Layout(**layout_args)
})
output = plotly.plot(fig, output_type='div', include_plotlyjs=False)
return utils.split_graph_output(output)