flupdt/model.py

@@ -1,52 +0,0 @@
-#!/usr/bin/env python3
-
-from sqlalchemy import Column, Integer, String, ForeignKey, Table
-from sqlalchemy.orm import relationship, backref
-from sqlalchemy.ext.declarative import declarative_base
-
-Base = declarative_base()
-
-author_publisher = Table(
-    "author_publisher",
-    Base.metadata,
-    Column("author_id", Integer, ForeignKey("author.author_id")),
-    Column("publisher_id", Integer, ForeignKey("publisher.publisher_id")),
-)
-
-book_publisher = Table(
-    "book_publisher",
-    Base.metadata,
-    Column("book_id", Integer, ForeignKey("book.book_id")),
-    Column("publisher_id", Integer, ForeignKey("publisher.publisher_id")),
-)
-
-
-class Author(Base):
-    __tablename__ = "author"
-    author_id = Column(Integer, primary_key=True)
-    first_name = Column(String)
-    last_name = Column(String)
-    books = relationship("Book", backref=backref("author"))
-    publishers = relationship(
-        "Publisher", secondary=author_publisher, back_populates="authors"
-    )
-
-
-class Book(Base):
-    __tablename__ = "book"
-    book_id = Column(Integer, primary_key=True)
-    author_id = Column(Integer, ForeignKey("author.author_id"))
-    title = Column(String)
-    publishers = relationship(
-        "Publisher", secondary=book_publisher, back_populates="books"
-    )
-
-
-class Publisher(Base):
-    __tablename__ = "publisher"
-    publisher_id = Column(Integer, primary_key=True)
-    name = Column(String)
-    authors = relationship(
-        "Author", secondary=author_publisher, back_populates="publishers"
-    )
-    books = relationship("Book", secondary=book_publisher, back_populates="publishers")