这个python程序如何让其运行

如下python程序是计算某算法的性能指标，本人不会python，在自己的python3.5环境下总提示错误：

这句：from Stats import Stats
不知道是什么问题？

1. import os
   
2. import shutil
   
3. import subprocess
   
4. import sys
   
5. 
   
6. from Stats import Stats
   
7. 
   
8. call = subprocess.call
   
9. #current process call the subprocess
   
10. 
    
11. def main():   
    
12.     datasetPath = sys.argv[1]
    
13.     binaryRootPath = sys.argv[2]
    
14.    
    
15.     if not isValidRootFolder(datasetPath):
    
16.         print('The folder ' + datasetPath + ' is not a valid root folder.');
    
17.         return
    
18.    
    
19.     if os.path.exists(binaryRootPath):
    
20.         print('The folder ' + binaryRootPath + ' has been cleaned.');
    
21.         shutil.rmtree(binaryRootPath)
    
22.     os.mkdir(binaryRootPath)
    
23.    
    
24.     processFolder(datasetPath, binaryRootPath)
    
25. 
    
26. def processFolder(datasetPath, binaryRootPath):
    
27.     """Call your executable for all sequences in all categories."""
    
28.     #stats = Stats(datasetPath)  #STATS
    
29.     for category in getDirectories(datasetPath):
    
30.         #stats.addCategories(category)  #STATS
    
31.         
    
32.         categoryPath = os.path.join(datasetPath, category)
    
33.         os.mkdir(os.path.join(binaryRootPath, category))
    
34.         
    
35.         for video in getDirectories(categoryPath):
    
36.             videoPath = os.path.join(categoryPath, video)
    
37.             binaryPath = os.path.join(binaryRootPath, category, video)
    
38.             if isValidVideoFolder(videoPath):
    
39.                 processVideoFolder(videoPath, binaryPath)            
    
40.                 #confusionMatrix = compareWithGroungtruth(videoPath, binaryPath)  #STATS
    
41.                
    
42.                 #stats.update(category, video, confusionMatrix)  #STATS
    
43.         #stats.writeCategoryResult(category)  #STATS
    
44.     #stats.writeOverallResults()  #STATS
    
45. 
    
46. def processVideoFolder(videoPath, binaryPath):
    
47.     """Call your executable on a particular sequence."""
    
48.     os.mkdir(binaryPath);
    
49.     retcode = call([os.path.join('exe', 'TODO.exe'),
    
50.                     videoPath, binaryPath],
    
51.                    shell=True)
    
52. 
    
53. def compareWithGroungtruth(videoPath, binaryPath):
    
54.     """Compare your binaries with the groundtruth and return the confusion matrix"""
    
55.     statFilePath = os.path.join(videoPath, 'stats.txt')
    
56.     deleteIfExists(statFilePath)
    
57. 
    
58.     retcode = call([os.path.join('exe', 'comparator.exe'),
    
59.                     videoPath, binaryPath],
    
60.                    shell=True)
    
61.    
    
62.     return readCMFile(statFilePath)
    
63. 
    
64. def readCMFile(filePath):
    
65.     """Read the file, so we can compute stats for video, category and overall."""
    
66.         if not os.path.exists(filePath):
    
67.                 print("The file " + filePath + " doesn't exist.\nIt means there was an error calling the comparator.")
    
68.                 raise Exception('error');
    
69.        
    
70.     with open(filePath) as f:
    
71.         for line in f.readlines():
    
72.             if line.startswith('cm:'):
    
73.                 numbers = line.split()[1:]
    
74.                 return [int(nb) for nb in numbers[:5]]
    
75. 
    
76. 
    
77. 
    
78. 
    
79. 
    
80. def isValidRootFolder(path):
    
81.     """A valid root folder must have the six categories"""
    
82.     categories = set(['dynamicBackground', 'baseline', 'cameraJitter', 'intermittentObjectMotion', 'shadow', 'thermal', 'badWeather', 'lowFramerate', 'nightVideos', 'PTZ', 'turbulence'])
    
83.     folders = set(getDirectories(path))
    
84.     return len(categories.intersection(folders)) == 6
    
85. 
    
86. def isValidVideoFolder(path):
    
87.     """A valid video folder must have \\groundtruth, \\input, ROI.bmp, temporalROI.txt"""
    
88.     return os.path.exists(os.path.join(path, 'groundtruth')) and os.path.exists(os.path.join(path, 'input')) and os.path.exists(os.path.join(path, 'ROI.bmp')) and os.path.exists(os.path.join(path, 'temporalROI.txt'))
    
89. 
    
90. def getDirectories(path):
    
91.     """Return a list of directories name on the specifed path"""
    
92.     return [file for file in os.listdir(path)
    
93.             if os.path.isdir(os.path.join(path, file))]
    
94. 
    
95. def deleteIfExists(path):
    
96.     if os.path.exists(path):
    
97.         os.remove(path)
    
98. 
    
99. 
    
100. if __name__ == "__main__":
     
101.     main()
     

复制代码

先安装Stats这个模块