From 850e780fd065b53952aa979599dd6980010c1172 Mon Sep 17 00:00:00 2001
From: erichard <elliot.richard@lal.in2p3.fr>
Date: Fri, 21 Feb 2020 17:21:04 +0100
Subject: [PATCH] Created models for the database.
---
models.py | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/models.py b/models.py
index 791b7dd..d51e759 100644
--- a/models.py
+++ b/models.py
@@ -1,15 +1,42 @@
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
-db = SQLAlchemy()
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///test.db'
+db = SQLAlchemy(app)
-class Element(db.Model)
+element_label = db.Table('Element_Label', db.Model.metadata,
+ db.Column('id_element', db.Integer, db.ForeignKey('element.id')),
+ db.Column('id_label', db.Integer, db.ForeignKey('label.id'))
+ )
+
+class Element(db.Model):
id = db.Column(db.INTEGER, primary_key=True)
element_name = db.Column(db.String(50), unique=True, nullable=False)
+ labels = db.relationship(
+ "Label",
+ secondary=element_label,
+ back_populates="elements")
-class Label(db.Model)
+class Label(db.Model):
id = db.Column(db.INTEGER, primary_key=True)
label_name = db.Column(db.String(50), unique=True, nullable=False)
father_id = db.Column(db.INTEGER, db.ForeignKey('label.id'))
+ children = db.relationship("Label",
+ backref=db.backref('parent', remote_side=[id])
+ )
+ aliases = db.relationship('Alias', back_populates='label')
+ elements = db.relationship(
+ "Element",
+ secondary=element_label,
+ back_populates="labels")
+
+class Alias(db.Model):
+ alias_name = db.Column(db.String(100), primary_key=True)
+ id_label = db.Column(db.INTEGER, db.ForeignKey('label.id'), nullable=False)
+ label = db.relationship('Label', back_populates='aliases')
+
+
+
--
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