def simple(self):
# Instantiate the GChart instance, this is all you will need for making charts
# GChart(type=None, dataset=None), see the doc for more
G = GChart()
# Set the chart type, either Google API type or regular name
G.type('pie')
# Update the chart's dataset, can be two dimensional and contain string data
G.dataset('helloworld')
# Set the size of the chart, default is 300x150
G.size(250, 100)
return G
def gchart(context, nodelist, type, dataset, **kwargs):
G = GChart(type, dataset, encoding=kwargs.pop('encoding', 'text'))
for node in nodelist:
if isinstance(node, TextNode):
for part in node.render(context).splitlines():
cmd, value = parse_cmd(part)
if cmd is None: continue
if cmd.startswith('axes'):
cmd = getattr(G.axes, cmd[5:])
else:
cmd = getattr(G, cmd)
cmd(*value.split())
if 'instance' in kwargs:
return G
return G.img(**kwargs)
def tarp_subsidies(request):
estimated_subsidies = []
subsidy_rates = []
amounts_received = []
names = []
colors = []
for r in SubsidyRecord.objects.all():
estimated_subsidies.append(r.estimated_subsidy)
subsidy_rates.append(r.subsidy_rate)
amounts_received.append(r.amount_received)
names.append(r.name)
colors.append(r.color)
# reverse names (API wrapper bug?)
names.reverse()
# estimated subsidies chart
estimates_subsidies_normalized = _normalize_chart_range(
estimated_subsidies)
estimated_subsidies_chart = GChart('bhs',
estimates_subsidies_normalized.values())
estimated_subsidies_chart.size((500, 250))
estimated_subsidies_chart.color('|'.join(colors))
estimated_subsidies_chart.bar(18, 2, 0)
estimated_subsidies_chart.axes.type('xy')
estimated_subsidies_chart_xlabels = range(
0, (_get_scale_bound(estimated_subsidies) + 1), 5)
estimated_subsidies_chart_xlabels = map((lambda x: str(x)),
estimated_subsidies_chart_xlabels)
estimated_subsidies_chart.axes.label(
str('|'.join(estimated_subsidies_chart_xlabels)))
estimated_subsidies_chart.axes.label('|'.join(names))
estimated_subsidies_chart.axes.style('000000')
estimated_subsidies_chart.axes.style('000000')
i = 0
for x in estimated_subsidies:
marker_text = 't $%.1f' % x
estimated_subsidies_chart.marker(marker_text, '000000', 0, i, 10, -1)
i = i + 1
# subsidy rates chart
subsidy_rates_normalized = _normalize_chart_range(subsidy_rates)
subsidy_rate_chart = GChart('bhs', subsidy_rates_normalized.values())
subsidy_rate_chart.size((500, 250))
subsidy_rate_chart.color('|'.join(colors))
subsidy_rate_chart.bar(18, 2, 0)
subsidy_rate_chart.axes.type('xy')
subsidy_rate_chart_xlabels = range(0,
(_get_scale_bound(subsidy_rates) + 1),
10)
subsidy_rate_chart_xlabels = map((lambda x: str(x)),
subsidy_rate_chart_xlabels)
subsidy_rate_chart.axes.label(str('|'.join(subsidy_rate_chart_xlabels)))
subsidy_rate_chart.axes.label('|'.join(names))
subsidy_rate_chart.axes.style('000000')
subsidy_rate_chart.axes.style('000000')
i = 0
for x in subsidy_rates:
marker_text = 't %d%%' % x
subsidy_rate_chart.marker(marker_text, '000000', 0, i, 10, -1)
i = i + 1
# amounts received chart
amounts_received_normalized = _normalize_chart_range(amounts_received)
amounts_received_chart = GChart('bhs',
amounts_received_normalized.values())
amounts_received_chart.size((500, 250))
amounts_received_chart.color('|'.join(colors))
amounts_received_chart.bar(18, 2, 0)
amounts_received_chart.axes.type('xy')
amounts_received_chart_xlabels = range(
0, (_get_scale_bound(amounts_received) + 1), 10)
amounts_received_chart_xlabels = map((lambda x: str(x)),
amounts_received_chart_xlabels)
amounts_received_chart.axes.label(
str('|'.join(amounts_received_chart_xlabels)))
amounts_received_chart.axes.label('|'.join(names))
amounts_received_chart.axes.style('000000')
amounts_received_chart.axes.style('000000')
i = 0
for x in amounts_received:
marker_text = 't $%.1f' % x
amounts_received_chart.marker(marker_text, '000000', 0, i, 10, -1)
i = i + 1
return render_to_response(
'bailout/tarp_subsidy_table.html', {
'estimated_subsidies_chart': estimated_subsidies_chart.img(),
'subsidy_rate_chart': subsidy_rate_chart.img(),
'amounts_received_chart': amounts_received_chart.img(),
'estimated_subsidies': estimated_subsidies,
'subsidy_rates': subsidy_rates,
'amounts_received': amounts_received,
'names': ' '.join(names),
'colors': '|'.join(colors)
},
context_instance=RequestContext(request))
