import matplotlib
import matplotlib.pyplot as plt
import matplotlib.ticker as mticker
import matplotlib.dates as mdates
import numpy as np
import time
date, bid, ask = np.loadtxt('A:\Python\GBPUSD1d.txt', unpack = True, delimiter = ',', converters = {0:mdates.strpdate2num('%Y%m%d%H%M%S')})
def percentChange(startPoint, currentPoint):
return ((currentPoint - startPoint)/startPoint) * 100
def patternFinder():
avgLine = ((bid + ask)/2.0)
x = len(avgLine) - 30
y = 11
while y < x:
p1 = percentChange(avgLine[y-10],avgLine[y-9])
p2 = percentChange(avgLine[y-10],avgLine[y-8])
p3 = percentChange(avgLine[y-10],avgLine[y-7])
p4 = percentChange(avgLine[y-10],avgLine[y-6])
p5 = percentChange(avgLine[y-10],avgLine[y-5])
p6 = percentChange(avgLine[y-10],avgLine[y-4])
p7 = percentChange(avgLine[y-10],avgLine[y-3])
p8 = percentChange(avgLine[y-10],avgLine[y-2])
p9 = percentChange(avgLine[y-10],avgLine[y-1])
p10 = percentChange(avgLine[y-10],avgLine[y])
outcomeRange = avgLine[y+20:y+30]
currentPoint = avgLine[y]
print reduce(lambda x, y: x+y, outcomeRange)/len(outcomeRange)
print currentPoint
print '_______'
print p1, p2, p3, p4, p5, p6, p7, p8, p9, p10
y += 1
time.sleep(5555)
def graphRawFX():
fig = plt.figure(figsize=(10,7))
ax1 = plt.subplot2grid((40,40), (0,0), rowspan=40, colspan=40)
ax1.plot(date,bid)
ax1.plot(date, ask)
ax1.xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m-%d %H:%M:%S'))
for label in ax1.xaxis.get_ticklabels():
label.set_rotation(45)
plt.gca().get_yaxis().get_major_formatter().set_useOffset(False)
plt.grid(True)
plt.show()
patternFinder()
我正在尝试将GBPUSD1d.txt中的数据加载到变量date,bid和ask中。当行在函数graphRawFX()下时,我能够完成此操作,但是当我将它移到函数外部时,变量将是全局的,我收到此错误消息。
Traceback (most recent call last):
File "A:\Python\Forextest.py", line 8, in <module>
date, bid, ask = np.loadtxt('A:\Python\GBPUSD1d.txt', unpack = True, delimiter = ',', converters = {0:mdates.strpdate2num('%Y%m%d%H%M%S')})
File "C:\Python27\lib\site-packages\numpy\lib\npyio.py", line 803, in loadtxt
fh = iter(open(fname, 'U'))
IOError: [Errno 2] No such file or directory: 'A:\\Python\\GBPUSD1d.txt'
[以0.2秒完成]
文本文件与正在运行的程序位于同一文件夹中。谢谢你的帮助。