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#!/usr/bin/env python
'''
Utility for measuring python opencv API coverage by samples.
'''
# Python 2/3 compatibility
from __future__ import print_function
from glob import glob
import cv2
import re
if __name__ == '__main__':
cv2_callable = set(['cv2.'+name for name in dir(cv2) if callable( getattr(cv2, name) )])
found = set()
for fn in glob('*.py'):
print(' --- ', fn)
code = open(fn).read()
found |= set(re.findall('cv2?\.\w+', code))
cv2_used = found & cv2_callable
cv2_unused = cv2_callable - cv2_used
with open('unused_api.txt', 'w') as f:
f.write('\n'.join(sorted(cv2_unused)))
r = 1.0 * len(cv2_used) / len(cv2_callable)
print('\ncv2 api coverage: %d / %d (%.1f%%)' % ( len(cv2_used), len(cv2_callable), r*100 ))
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