improved

git-svn-id: http://moon:8086/svn/projects/Stock@304 fda53097-d464-4ada-af97-ba876c37ca34

pandas_eval.py

@@ -103,8 +103,9 @@ titles.append('QCOM')
 titles.append('DPW.DE')
 titles.append('CSCO')
 titles.append('AIR')
+titles.append('NVDA')
 
-show_title = 'QCOM'
+show_title = 'XLNX'
 show_range_days = 20
 
 pd.DatetimeIndex
@@ -139,6 +140,17 @@ def fetch(title):
 		data = hdf[title]
 	hdf.close()
 
+def plot(ax, fig, data):
+	dates = data.index
+	data.plot()
+	def hover(event):
+		if event.inaxes == ax:
+			x_idx = int(event.xdata)
+			ax.format_xdata = lambda x: dates[x_idx]
+			ax.format_ydata = lambda y: '{:.2f}'.format(data[x_idx])
+
+	fig.canvas.mpl_connect("motion_notify_event", hover)
+
 def show(title):
 
 	k_euro = 1/1.11
@@ -156,23 +168,12 @@ def show(title):
 
 	data = data_full[len(data_full)-1 - show_range_days:]
 	boll = boll_full[len(boll_full)-1 - show_range_days:]
-	dates = data.index
 
 	fig = plt.figure(1)
-
 	ax = plt.subplot(311)
-
-	def hover(event):
-		if event.inaxes == ax:
-			x_idx = int(event.xdata)
-			ax.format_xdata = lambda x: dates[x_idx]
-			ax.format_ydata = lambda y: '{:.2f}'.format(data['close'][x_idx])
-
-	fig.canvas.mpl_connect("motion_notify_event", hover)
-
-	data['close'].plot()
-	data['ema'].plot()
-	data['sma'].plot()
+	plot(ax, fig, data['close'])
+	plot(ax, fig, data['ema'])
+	plot(ax, fig, data['sma'])
 	plt.title(title)
 	plt.legend()
 	plt.grid()