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69 lines
2.0 KiB
69 lines
2.0 KiB
6 years ago
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#!/usr/bin/env python2
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import os
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import sys
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from common.basedir import BASEDIR
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def _get_fingerprints():
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# read all the folders in selfdrive/car and return a dict where:
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# - keys are all the car names that which we have a fingerprint dict for
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# - values are dicts of fingeprints for each trim
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fingerprints = {}
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for car_folder in [x[0] for x in os.walk(BASEDIR + '/selfdrive/car')]:
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car_name = car_folder.split('/')[-1]
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try:
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fingerprints[car_name] = __import__('selfdrive.car.%s.values' % car_name, fromlist=['FINGERPRINTS']).FINGERPRINTS
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except (ImportError, IOError, AttributeError):
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pass
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return fingerprints
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def check_fingerprint_consistency(f1, f2):
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# return false if it finds a fingerprint fully included in another
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# max message worth checking is 1900, as above that they usually come too infrequently and not
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# usable for fingerprinting
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max_msg = 1900
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is_f1_in_f2 = True
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for k in f1:
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if (k not in f2 or f1[k] != f2[k]) and k < max_msg:
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is_f1_in_f2 = False
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is_f2_in_f1 = True
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for k in f2:
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if (k not in f1 or f2[k] != f1[k]) and k < max_msg:
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is_f2_in_f1 = False
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return not is_f1_in_f2 and not is_f2_in_f1
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fingerprints = _get_fingerprints()
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fingerprints_flat = []
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car_names = []
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for brand in fingerprints:
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for car in fingerprints[brand]:
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fingerprints_flat += fingerprints[brand][car]
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for i in range(len(fingerprints[brand][car])):
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car_names.append(car)
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valid = True
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for idx1, f1 in enumerate(fingerprints_flat):
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for idx2, f2 in enumerate(fingerprints_flat):
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if idx1 < idx2 and not check_fingerprint_consistency(f1, f2):
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valid = False
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print "Those two fingerprints are inconsistent", car_names[idx1], car_names[idx2]
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print ""
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print ', '.join("%d: %d" % v for v in sorted(f1.items()))
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print ""
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print ', '.join("%d: %d" % v for v in sorted(f2.items()))
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print ""
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print "Found ", len(fingerprints_flat), " individual fingerprints"
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if not valid or len(fingerprints_flat) == 0:
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print "TEST FAILED"
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sys.exit(1)
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else:
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print "TEST SUCESSFUL"
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