April 2018
Beginner to intermediate
440 pages
11h 36m
English
These modules enable the application to define the models and connect to the database:
# The database connections and session management are managed with SQLAlchemy functionsfrom sqlalchemy import create_enginefrom sqlalchemy.ext.declarative import declarative_basefrom sqlalchemy import Column, Integer, String, ForeignKey, Floatfrom sqlalchemy.orm import sessionmaker, relationship# The Geometry columns of the data tables are added to the ORM using the Geometry data typefrom geoalchemy2 import Geometry