def test_color_mode():
fig = Figure()
assert fig.color_mode == 'names'
fig.color_mode = 'byte'
assert fig.color_mode == 'byte'
with pytest.raises(ValueError):
fig.color_mode = 'rgba'
with pytest.raises(ValueError):
fig.color_mode = 15
fig.plot([0.5], [0.5])
with pytest.raises(RuntimeError):
fig.color_mode = 'names'
def create_chart(scriptpath, args):
timerange = str(args.dayrange)
interval = ""
filename = scriptpath + timerange + "range_" + interval + "interval.json"
urllib3.disable_warnings()
if not path.isfile(filename) or (
time() - path.getmtime(filename)) / 60 > 15 or args.force:
url = "https://bitcoincharts.com/charts/chart.json?m=bitstampUSD&SubmitButton=Draw&r={0}&i={1}"\
.format(timerange, interval)
with open(filename, "w") as file:
dump(requests.get(url, verify=False).json(), file)
with open(filename, "r") as file:
response = load(file)
zipped = list(zip(*response))
timestamps = zipped[0]
weighted = zipped[7]
openprice = weighted[0]
closeprice = weighted[-1]
change = (closeprice - openprice) / openprice
if change > 0:
color = custom_text_color((38, 200, 0))
else:
color = custom_text_color((255, 43, 0))
print(f'Current price: ${closeprice:.2f}, {color}{change:.2%}{ENDC}')
if args.log:
weighted = [log(i) for i in weighted]
fig = Figure()
fig.width = int(args.width)
fig.height = int(args.height)
fig.x_axis_round = 2
fig.set_x_limits(min_=min(timestamps), max_=max(timestamps))
fig.set_y_limits(min_=min(weighted), max_=max(weighted))
fig.y_label = "USD/BTC"
fig.color_mode = 'byte'
fig.y_axis_transform = lambda x: "${:,.2f}".format(x)
if args.log:
fig.y_axis_transform = lambda x: "${:,.2f}".format(exp(x))
fig.x_axis_transform = lambda x: '{:%m-%d-%y}'.format(
datetime.fromtimestamp(x))
fig.plot(timestamps, weighted, lc=2, label="Bitcoin price")
print(fig.show(legend=True))
print('Data provided by bitcoincharts [{0}]'.format(
"http://bitcoincharts.com/"))
print('Last Updated {:.2} minutes ago'.format(
(time() - path.getmtime(filename)) / 60))
