def refresh(self, from_date=None):
(total, low, normal, high) = self.get_data(from_date=from_date)
self.ax.clear()
self.ax.pie([low, high, normal],
labels=[format_as_percent(low, total, 'Lows {}',
low),
format_as_percent(high, total, 'Highs {}',
high),
format_as_percent(normal,
total, 'Normal {}',
normal)],
colors=['orange', 'red', 'green'], shadow=True,
explode=(0, 0, 0.2))
self.ax.set_title(self.title)
self.figure.canvas.draw_idle()
def __init__(self, from_date=None):
Plot.__init__(self)
(total, low, normal, high) = self.get_data(from_date=from_date)
ax = self.figure.add_subplot(111, aspect='equal', axisbg="white")
ax.set_axis_bgcolor('red')
ax.pie([low, high, normal],
labels=[format_as_percent(low, total, 'Lows {}',
low),
format_as_percent(high, total, 'Highs {}',
high),
format_as_percent(normal,
total, 'Normal {}',
normal)],
colors=['orange', 'red', 'green'], shadow=True,
explode=(0, 0, 0.2))
ax.set_title(self.title)
ax.plot()
self.ax = ax
