def vis(ticker):
sio = cStringIO.StringIO()
likCache = tempfile.NamedTemporaryFile()
data = terminal(ticker, likCache.name, alpha=-3.0)
parser = qcyk()
parser.initGrammar(os.path.dirname(os.path.realpath(__file__))+'/test.gr')
parser.initTerminal(likCache.name)
lik, tree = parser.parse()
likCache.close()
fig = plt.figure(figsize=(12,5))
ax = fig.add_subplot(111)
kps = data[data.pivots!=0].Close
idx = kps.index
kps.plot(style='--o', ax=ax)
for t, xmin, xmax in parser.leafs(tree):
center = idx[(xmin+xmax)/2]
high = data[idx[xmin]:idx[xmax]].Close.max()
low = data[idx[xmin]:idx[xmax]].Close.min()
bottom, top = ax.get_ylim()
llow = (low-bottom)/float(top-bottom)
hhigh = (high-bottom)/float(top-bottom)
if t != 'null':
ax.axvspan(idx[xmin], idx[xmax],
ymin=llow, ymax=hhigh, alpha=0.3, color=CS[t])
ax.annotate("%s"%(t), (center, high))
plt.savefig(sio, format='png')
sio.seek(0)
return sio.getvalue()
def main(): parser = qcyk()
"BUT": "#009933",
"IHS": "#009933",
"BBOT": "#009933",
"FW": "#009933",
"BER": "#CC3300",
"BET": "#CC3300",
"BTOP": "#CC3300",
"FC": "#CC3300",
"HS": "#CC3300",
"RW": "#CC3300",
}
if __name__ == "__main__":
likCache = tempfile.NamedTemporaryFile()
data = terminal("aapl", likCache.name, alpha=-3.0)
parser = qcyk()
parser.initGrammar("test.gr")
parser.initTerminal(likCache.name)
lik, tree = parser.parse()
likCache.close()
print parser.pretty_print_tree(tree)
print lik
fig = plt.figure(figsize=(12, 5))
ax = fig.add_subplot(111)
kps = data[data.pivots != 0].Close
idx = kps.index
kps.plot(style="--o", ax=ax)
for t, xmin, xmax in parser.leafs(tree):
center = idx[(xmin + xmax) / 2]
def setUp(self): self.qcyk = qcyk()