| import json | |
| from psycopg2.extras import RealDictCursor | |
| #import cv2 | |
| import psycopg2 | |
| import cv2 | |
| CONNECTION = "postgres://postgres:" | |
| conn = psycopg2.connect(CONNECTION) | |
| cursor = conn.cursor(cursor_factory=RealDictCursor) | |
| def get_sample(): | |
| camera_name, camera_id = 'cam2', 4 | |
| print('Executing SQL command') | |
| cursor.execute("SELECT * FROM annotations WHERE camera_id = {} and time >='2021-05-01 00:00:00' and time <='2021-05-07 23:59:50' and label_id in (1,2)".format(camera_id)) | |
| print('Dumping to json') | |
| annotations = json.dumps(cursor.fetchall(), indent=2, default=str) | |
| wjdata = json.loads(annotations) | |
| with open('{}_{}_test.json'.format(camera_name, camera_id), 'w') as f: | |
| json.dump(wjdata, f) | |
| print('Done dumping to json') | |
| get_sample() | |