parinitachowdhry / flask-bookreviewsite

Project 1: Web Programming with Python and JavaScript

run the below commands in cmd to set-up the project set application as flask application set FLASK_APP=application.py set debug to true set FLASK_DEBUG=1 set db to online heroku set DATABASE_URL= 'url of your db here' flask run webpages are rendered from inside templates folder

three tables in DB: Users, Books, Reviews CREATE TABLE users ( id serial primary key, name varchar(80), password varchar(80), email varchar(80) );

CREATE TABLE books ( id serial primary key, title varchar(80), isbn int, author varchar(80), pub_year int );

CREATE TABLE reviews ( id serial primary key, user_id serial references users(id), book_id serial references books(id) );

import csv from sqlalchemy import create_engine from sqlalchemy.orm import scoped_session, sessionmaker

Set up database for import of data engine = create_engine('url of your db here') db = scoped_session(sessionmaker(bind=engine))

with open('./books.csv') as csv_file: csv_reader = csv.reader(csv_file, delimiter=',') line_count = 0 for row in csv_reader: if line_count == 0: # print(f'Column names are {", ".join(row)}') line_count += 1 else: isbn = row[0] title = row[1] author = row[2] year = row[3] db.execute("INSERT INTO books (title,isbn,author,pub_year) VALUES (:title, :isbn, :author, :year)", {"isbn": isbn, "title": title, "author": author, "year": year}) print(f'\t{row[0]} ISBN {row[1]} Title {row[2]} Author {row[3]} Year') line_count += 1 db.commit() print(f'Processed {line_count} lines.')