![]() ![]() I would like to thank my family, my mother, and my sister for putting up with me during my long writing and research sessions. He is pursuing his master's degree in business from IIT Delhi. When not working with full-time assignments, he acts as a consultant for start-ups on leveraging different technologies. Shalabh is also active in voluntary training for engineering students on nonconventional and open source topics. He is passionate about open source technologies and writes highly readable and quality code. He started his career working on Python, and although he works on multiple technologies, he remains a Python developer at heart. Shalabh Aggarwal has several years of experience in developing business systems and web applications for small-to-medium scale industries. I'd like to thank Sara for her infinite patience throughout the process of writing this lengthy technical manual and my coworkers at Fictive Kin for dealing with my particularly bad sense of humor on a daily basis. While studying physics and mathematics at McGill University in Montréal, he helped set up a Tier II analysis centre for the Worldwide LHC Computing Grid, which cemented his interest in distributed systems architecture and high performance computing.Ĭurrently, his days are spent building infrastructure and Python applications with the incredible people at Fictive Kin, writing open source code, and trying to lift heavy weights over his head on a regular basis. The first site he built is still running. He got his start in the world of programming by attempting to teach himself Java at the tender age of 13 and got his first job at a small web development firm a few years later writing Java Server Pages. Joël Perras has been professionally involved in technology and computing for over 12 years. However, Packt Publishing cannot guarantee the accuracy of this information. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. However, the information contained in this book is sold without warranty, either express or implied. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.Įvery effort has been made in the preparation of this book to ensure the accuracy of the information presented. The Flask-Script commands across BlueprintsĪll rights reserved. Improved password handling with hybrid attributes Snap – the Code Snippet Sharing Applicationįlask-Login and Flask-Bcrypt for authenticationįlask-WTF – form validation and renderingīetter defaults with content-sensitive default functions Small to Big – Growing the Flask Application Structureģ. Simplifying common operations – using the virtualenvwrapper toolĢ. Uninstalling packages from an existing environment Starting on the Right Foot – Using VirtualenvĪctivating and deactivating virtual environmentsĪdding packages to an existing environment ![]() Logs are also ready to send to ELK using a filebeat.Support files, eBooks, discount offers, and moreġ. I normally deploy it in production using a nginx as a reverse proxy and n replicas of my api. I also like to use a library to help me to work with psycopg2: a library ( ) created by me a long time ago.Īnd that’s all. This connection is a raw psycopg2 connection. We also can create the connection using a constructor. For example, we can use a function decorator to inject the connection (in this case the connection named DEFAULT) in the function signatura. We can obtain our database connection in diverse ways. Return db2.fetch_all(SQL_USERS, dict(name=name)) # Example of how to obtain new connection from database name. # Create new transaction from connection injected with a decoratorĭb.upsert('users', dict(email=email), dict(name=name)) From lib.db import get_db_from_conn, get_conn_from_dbnameįrom lib.decorators import use_schema, inject_connįrom. ![]()
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