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comparison trafficintelligence/storage.py @ 1141:3e0f43edb4d6

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Issue loading from different location
author Etienne Beauchamp <etienne-2.beauchamp@polymtl.ca>
date Thu, 16 Apr 2020 11:24:35 -0400
parents c4d9c270f999
children 8ac52ebff5f7
comparison
equal deleted inserted replaced
1140:78dddfe7aa0f 1141:3e0f43edb4d6
4 4
5 from pathlib import Path 5 from pathlib import Path
6 import shutil 6 import shutil
7 from copy import copy 7 from copy import copy
8 import sqlite3, logging 8 import sqlite3, logging
9 from os import chdir
9 10
10 from numpy import log, min as npmin, max as npmax, round as npround, array, sum as npsum, loadtxt, floor as npfloor, ceil as npceil, linalg, int32, int64 11 from numpy import log, min as npmin, max as npmax, round as npround, array, sum as npsum, loadtxt, floor as npfloor, ceil as npceil, linalg, int32, int64
11 from pandas import read_csv, merge 12 from pandas import read_csv, merge
12 13
13 from trafficintelligence import utils, moving, events, indicators 14 from trafficintelligence import utils, moving, events, indicators
659 660
660 def loadPrototypesFromSqlite(filename, withTrajectories = True): 661 def loadPrototypesFromSqlite(filename, withTrajectories = True):
661 'Loads prototype ids and matchings (if stored)' 662 'Loads prototype ids and matchings (if stored)'
662 prototypes = [] 663 prototypes = []
663 if Path(filename).is_file(): 664 if Path(filename).is_file():
665 filename = str(Path(filename).resolve())
666 pwd = Path.cwd()
667 chdir(Path(filename).parent)
664 with sqlite3.connect(filename) as connection: 668 with sqlite3.connect(filename) as connection:
665 cursor = connection.cursor() 669 cursor = connection.cursor()
666 objects = [] 670 objects = []
667 try: 671 try:
668 cursor.execute('SELECT * FROM prototypes') 672 cursor.execute('SELECT * FROM prototypes')
683 # objects += loadTrajectoriesFromSqlite(k[0], k[1], [p.getNum() for p in v]) 687 # objects += loadTrajectoriesFromSqlite(k[0], k[1], [p.getNum() for p in v])
684 except sqlite3.OperationalError as error: 688 except sqlite3.OperationalError as error:
685 printDBError(error) 689 printDBError(error)
686 if len(set([p.getTrajectoryType() for p in prototypes])) > 1: 690 if len(set([p.getTrajectoryType() for p in prototypes])) > 1:
687 print('Different types of prototypes in database ({}).'.format(set([p.getTrajectoryType() for p in prototypes]))) 691 print('Different types of prototypes in database ({}).'.format(set([p.getTrajectoryType() for p in prototypes])))
692 chdir(pwd)
688 return prototypes 693 return prototypes
689 694
690 def savePOIsToSqlite(filename, gmm, gmmType, gmmId): 695 def savePOIsToSqlite(filename, gmm, gmmType, gmmId):
691 '''Saves a Gaussian mixture model (of class sklearn.mixture.GaussianMixture) 696 '''Saves a Gaussian mixture model (of class sklearn.mixture.GaussianMixture)
692 gmmType is a type of GaussianMixture, learnt either from beginnings or ends of trajectories''' 697 gmmType is a type of GaussianMixture, learnt either from beginnings or ends of trajectories'''