April 2018
Beginner to intermediate
440 pages
11h 36m
English
To create our database and the tables that will hold the application data, we will use the SQLAlchemy and GeoAlchemy2 classes and methods. The following code is in the script called Chapter11_0.py. This code will allow us to connect to a PostgreSQL data server to create a database and data tables that will form the backend of the web application. Import these libraries:
from sqlalchemy import create_enginefrom sqlalchemy_utils import database_exists, create_database, drop_databasefrom sqlalchemy import Column, Integer, String, ForeignKey, Floatfrom sqlalchemy.orm import relationshipfrom geoalchemy2 import Geometryfrom sqlalchemy.ext.declarative import declarative_base
Connecting the database server to ...