Revision: 6993
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6993&view=rev
Author: jdh2358
Date: 2009-03-18 16:40:26 +0000 (Wed, 18 Mar 2009)
Log Message:
-----------
use urllib2 for yahoo finace; more cleanups to demo
Modified Paths:
--------------
trunk/matplotlib/examples/pylab_examples/finance_work2.py
trunk/matplotlib/lib/matplotlib/finance.py
Modified: trunk/matplotlib/examples/pylab_examples/finance_work2.py
===================================================================
--- trunk/matplotlib/examples/pylab_examples/finance_work2.py 2009-03-18
16:07:19 UTC (rev 6992)
+++ trunk/matplotlib/examples/pylab_examples/finance_work2.py 2009-03-18
16:40:26 UTC (rev 6993)
@@ -139,8 +139,8 @@
ax1.plot(r.date, rsi, color=fillcolor)
ax1.axhline(70, color=fillcolor)
ax1.axhline(30, color=fillcolor)
-ax1.fill_between(r.date, rsi, 70, facecolor=fillcolor, where=(rsi>=70))
-ax1.fill_between(r.date, rsi, 30, facecolor=fillcolor, where=(rsi<=30))
+ax1.fill_between(r.date, rsi, 70, where=(rsi>=70), facecolor=fillcolor,
edgecolor=fillcolor)
+ax1.fill_between(r.date, rsi, 30, where=(rsi<=30), facecolor=fillcolor,
edgecolor=fillcolor)
ax1.text(0.6, 0.9, '>70 = overbought', va='top', transform=ax1.transAxes,
fontsize=textsize)
ax1.text(0.6, 0.1, '<30 = oversold', transform=ax1.transAxes,
fontsize=textsize)
ax1.set_ylim(0, 100)
@@ -181,7 +181,7 @@
volume = (r.close*r.volume)/1e6 # dollar volume in millions
vmax = volume.max()
-poly = ax2t.fill_between(r.date, volume, 0, facecolor=fillcolor,
label='Volume')
+poly = ax2t.fill_between(r.date, volume, 0, label='Volume',
facecolor=fillcolor, edgecolor=fillcolor)
ax2t.set_ylim(0, 5*vmax)
ax2t.set_yticks([])
@@ -195,14 +195,14 @@
ema9 = moving_average(macd, nema, type='exponential')
ax3.plot(r.date, macd, color='black', lw=2)
ax3.plot(r.date, ema9, color='blue', lw=1)
-ax3.fill_between(r.date, macd-ema9, 0, facecolor=fillcolor, alpha=0.5)
+ax3.fill_between(r.date, macd-ema9, 0, alpha=0.5, facecolor=fillcolor,
edgecolor=fillcolor)
ax3.text(0.025, 0.95, 'MACD (%d, %d, %d)'%(nfast, nslow, nema), va='top',
transform=ax3.transAxes, fontsize=textsize)
ax3.set_yticks([])
-# turn off tick labels, rorate them, etc
+# turn off upper axis tick labels, rotate the lower ones, etc
for ax in ax1, ax2, ax2t, ax3:
if ax!=ax3:
for label in ax.get_xticklabels():
Modified: trunk/matplotlib/lib/matplotlib/finance.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/finance.py 2009-03-18 16:07:19 UTC (rev
6992)
+++ trunk/matplotlib/lib/matplotlib/finance.py 2009-03-18 16:40:26 UTC (rev
6993)
@@ -5,7 +5,7 @@
"""
#from __future__ import division
import os, time, warnings
-from urllib import urlopen
+from urllib2 import urlopen
try:
from hashlib import md5
@@ -121,8 +121,10 @@
verbose.report('Using cachefile %s for %s'%(cachename, ticker))
else:
if not os.path.isdir(cachedir): os.mkdir(cachedir)
+ urlfh = urlopen(url)
+
fh = file(cachename, 'w')
- fh.write(urlopen(url).read())
+ fh.write(urlfh.read())
fh.close()
verbose.report('Saved %s data to cache file %s'%(ticker, cachename))
fh = file(cachename, 'r')
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