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comparison python/storage.py @ 849:a414a7d58483

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corrected issue with prototypes storage
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 22 Jul 2016 17:23:49 -0400
parents 0cb69238e6f5
children c724a51d4f5f
comparison
equal deleted inserted replaced
848:0cb69238e6f5 849:a414a7d58483
364 printDBError(error) 364 printDBError(error)
365 connection.close() 365 connection.close()
366 366
367 def savePrototypesToSqlite(filename, prototypeIndices, trajectoryType, nMatchings = None, dbFilenames = None): 367 def savePrototypesToSqlite(filename, prototypeIndices, trajectoryType, nMatchings = None, dbFilenames = None):
368 '''save the prototype indices 368 '''save the prototype indices
369 nMatchings, if not None, is a dictionnary between indices and number of matches''' 369 nMatchings, if not None, is a list of the number of matches
370 dbFilenames, if not None, is a list of the DB filenames'''
370 connection = sqlite3.connect(filename) 371 connection = sqlite3.connect(filename)
371 cursor = connection.cursor() 372 cursor = connection.cursor()
372 try: 373 try:
373 cursor.execute('CREATE TABLE IF NOT EXISTS prototypes (id INTEGER, dbfilename VARCHAR, trajectory_type VARCHAR CHECK (trajectory_type IN (\"feature\", \"object\")), nMatchings INTEGER, PRIMARY KEY (id, dbfilename))') 374 cursor.execute('CREATE TABLE IF NOT EXISTS prototypes (id INTEGER, dbfilename VARCHAR, trajectory_type VARCHAR CHECK (trajectory_type IN (\"feature\", \"object\")), nMatchings INTEGER, PRIMARY KEY (id, dbfilename))')
374 for i in prototypeIndices: 375 for i, protoId in enumerate(prototypeIndices):
375 if nMatchings is not None: 376 if nMatchings is not None:
376 n = nMatchings[i] 377 n = nMatchings[i]
377 else: 378 else:
378 n = 'NULL' 379 n = 'NULL'
379 if dbFilenames is not None: 380 if dbFilenames is not None:
380 dbfn = dbFilenames[i] 381 dbfn = dbFilenames[i]
381 else: 382 else:
382 dbfn = filename 383 dbfn = filename
383 cursor.execute('INSERT INTO prototypes (id, dbfilename, trajectory_type, nMatchings) VALUES ({},\"{}\",\"{}\",{})'.format(i, dbfn, trajectoryType, n)) 384 cursor.execute('INSERT INTO prototypes (id, dbfilename, trajectory_type, nMatchings) VALUES ({},\"{}\",\"{}\",{})'.format(protoId, dbfn, trajectoryType, n))
384 except sqlite3.OperationalError as error: 385 except sqlite3.OperationalError as error:
385 printDBError(error) 386 printDBError(error)
386 connection.commit() 387 connection.commit()
387 connection.close() 388 connection.close()
388 389
389 def loadPrototypesFromSqlite(filename): 390 def loadPrototypesFromSqlite(filename):
390 'Loads prototype ids and matchings (if stored)' 391 'Loads prototype ids and matchings (if stored)'
391 connection = sqlite3.connect(filename) 392 connection = sqlite3.connect(filename)
392 cursor = connection.cursor() 393 cursor = connection.cursor()
393 prototypeIndices = [] 394 prototypeIndices = []
394 dbFilenames = {} 395 dbFilenames = []
395 trajectoryTypes = [] 396 trajectoryTypes = []
396 nMatchings = {} 397 nMatchings = []
397 try: 398 try:
398 cursor.execute('SELECT * FROM prototypes') 399 cursor.execute('SELECT * FROM prototypes')
399 for row in cursor: 400 for row in cursor:
400 prototypeIndices.append(row[0]) 401 prototypeIndices.append(row[0])
401 dbFilenames[row[0]] = row[1] 402 dbFilenames.append(row[1])
402 trajectoryTypes.append(row[2]) 403 trajectoryTypes.append(row[2])
403 if row[2] is not None: 404 if row[3] is not None:
404 nMatchings[row[0]] = row[3] 405 nMatchings.append(row[3])
405 except sqlite3.OperationalError as error: 406 except sqlite3.OperationalError as error:
406 printDBError(error) 407 printDBError(error)
407 connection.close() 408 connection.close()
408 if len(set(trajectoryTypes)) > 1: 409 if len(set(trajectoryTypes)) > 1:
409 print('Different types of prototypes in database ({}).'.format(set(trajectoryTypes))) 410 print('Different types of prototypes in database ({}).'.format(set(trajectoryTypes)))
410 return prototypeIndices, dbFilenames, trajectoryTypes[0], nMatchings 411 return prototypeIndices, dbFilenames, trajectoryTypes, nMatchings
411 412
412 def loadBBMovingObjectsFromSqlite(filename, objectType = 'bb', objectNumbers = None, timeStep = None): 413 def loadBBMovingObjectsFromSqlite(filename, objectType = 'bb', objectNumbers = None, timeStep = None):
413 '''Loads bounding box moving object from an SQLite 414 '''Loads bounding box moving object from an SQLite
414 (format of SQLite output by the ground truth annotation tool 415 (format of SQLite output by the ground truth annotation tool
415 or Urban Tracker 416 or Urban Tracker