learning python design patterns second edition

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Learning Python Design Patterns

Author : Chetan Giridhar
ISBN : 9781785887376
Genre : Computers
File Size : 86. 39 MB
Format : PDF, ePub, Mobi
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Leverage the power of Python design patterns to solve real-world problems in software architecture and design About This Book Understand the structural, creational, and behavioral Python design patterns Get to know the context and application of design patterns to solve real-world problems in software architecture, design, and application development Get practical exposure through sample implementations in Python v3.5 for the design patterns featured Who This Book Is For This book is for Software architects and Python application developers who are passionate about software design. It will be very useful to engineers with beginner level proficiency in Python and who love to work with Python 3.5 What You Will Learn Enhance your skills to create better software architecture Understand proven solutions to commonly occurring design issues Explore the design principles that form the basis of software design, such as loose coupling, the Hollywood principle and the Open Close principle among others Delve into the object-oriented programming concepts and find out how they are used in software applications Develop an understanding of Creational Design Patterns and the different object creation methods that help you solve issues in software development Use Structural Design Patterns and find out how objects and classes interact to build larger applications Focus on the interaction between objects with the command and observer patterns Improve the productivity and code base of your application using Python design patterns In Detail With the increasing focus on optimized software architecture and design it is important that software architects think about optimizations in object creation, code structure, and interaction between objects at the architecture or design level. This makes sure that the cost of software maintenance is low and code can be easily reused or is adaptable to change. The key to this is reusability and low maintenance in design patterns. Building on the success of the previous edition, Learning Python Design Patterns, Second Edition will help you implement real-world scenarios with Python's latest release, Python v3.5. We start by introducing design patterns from the Python perspective. As you progress through the book, you will learn about Singleton patterns, Factory patterns, and Facade patterns in detail. After this, we'll look at how to control object access with proxy patterns. It also covers observer patterns, command patterns, and compound patterns. By the end of the book, you will have enhanced your professional abilities in software architecture, design, and development. Style and approach This is an easy-to-follow guide to design patterns with hands-on examples of real-world scenarios and their implementation in Python v3.5. Each topic is explained and placed in context, and for the more inquisitive, there are more details on the concepts used.

Python Master The Art Of Design Patterns

Author : Dusty Phillips
ISBN : 9781787123403
Genre : Computers
File Size : 40. 11 MB
Format : PDF, Mobi
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Ensure your code is sleek, efficient and elegant by mastering powerful Python design patterns About This Book Learn all about abstract design patterns and how to implement them in Python 3 Understand the structural, creational, and behavioral Python design patterns Get to know the context and application of design patterns to solve real-world problems in software architecture, design, and application development Discover how to simplify Design Pattern implementation using the power of Python 3 Who This Book Is For If you have basic Python skills and wish to learn in depth how to correctly apply appropriate design patterns, this course is tailor made for you. What You Will Learn Discover what design patterns are and how to apply them to writing Python Implement objects in Python by creating classes and defining methods Separate related objects into a taxonomy of classes and describe the properties and behaviors of those objects via the class interface Understand when to use object-oriented features, and more importantly when not to use them Get to know proven solutions to common design issues Explore the design principles that form the basis of software design, such as loose coupling, the Hollywood principle, and the Open Close principle, among others Use Structural Design Patterns and find out how objects and classes interact to build larger applications Improve the productivity and code base of your application using Python design patterns Secure an interface using the Proxy pattern In Detail Python is an object-oriented scripting language that is used in everything from data science to web development. Known for its simplicity, Python increases productivity and minimizes development time. Through applying essential software engineering design patterns to Python, Python code becomes even more efficient and reusable from project to project. This learning path takes you through every traditional and advanced design pattern best applied to Python code, building your skills in writing exceptional Python. Divided into three distinct modules, you'll go from foundational to advanced concepts by following a series of practical tutorials. Start with the bedrock of Python programming – the object-oriented paradigm. Rethink the way you work with Python as you work through the Python data structures and object-oriented techniques essential to modern Python programming. Build your confidence as you learn Python syntax, and how to use OOP principles with Python tools such as Django and Kivy. In the second module, run through the most common and most useful design patterns from a Python perspective. Progress through Singleton patterns, Factory patterns, Facade patterns and more all with detailed hands-on guidance. Enhance your professional abilities in in software architecture, design, and development. In the final module, run through the more complex and less common design patterns, discovering how to apply them to Python coding with the help of real-world examples. Get to grips with the best practices of writing Python, as well as creating systems architecture and troubleshooting issues. This Learning Path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products: Python 3 Object-Oriented Programming - Second Edition by Dusty Phillips Learning Python Design Patterns - Second Edition by Chetan Giridhar Mastering Python Design Patterns by Sakis Kasampalis Style and approach Advance your Python code through three distinct modules that each build on preceding content. Get the complete coverage of Python design patterns you need to write elegant and efficient code that's reusable and powerful.

Django Design Patterns And Best Practices

Author : Arun Ravindran
ISBN : 9781788834971
Genre : Computers
File Size : 46. 23 MB
Format : PDF, Docs
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Build maintainable websites with elegant Django design patterns and modern best practices Key Features Explore aspects of Django from Models and Views to testing and deployment Understand the nuances of web development such as browser attack and data design Walk through various asynchronous tools such as Celery and Channels Book Description Building secure and maintainable web applications requires comprehensive knowledge. The second edition of this book not only sheds light on Django, but also encapsulates years of experience in the form of design patterns and best practices. Rather than sticking to GoF design patterns, the book looks at higher-level patterns. Using the latest version of Django and Python, you’ll learn about Channels and asyncio while building a solid conceptual background. The book compares design choices to help you make everyday decisions faster in a rapidly changing environment. You’ll first learn about various architectural patterns, many of which are used to build Django. You’ll start with building a fun superhero project by gathering the requirements, creating mockups, and setting up the project. Through project-guided examples, you’ll explore the Model, View, templates, workflows, and code reusability techniques. In addition to this, you’ll learn practical Python coding techniques in Django that’ll enable you to tackle problems related to complex topics such as legacy coding, data modeling, and code reusability. You’ll discover API design principles and best practices, and understand the need for asynchronous workflows. During this journey, you’ll study popular Python code testing techniques in Django, various web security threats and their countermeasures, and the monitoring and performance of your application. What you will learn Make use of common design patterns to help you write better code Implement best practices and idioms in this rapidly evolving framework Deal with legacy code and debugging Use asynchronous tools such as Celery, Channels, and asyncio Use patterns while designing API interfaces with the Django REST Framework Reduce the maintenance burden with well-tested, cleaner code Host, deploy, and secure your Django projects Who this book is for This book is for you whether you’re new to Django or just want to learn its best practices. You do not have to be an expert in Django or Python. No prior knowledge of patterns is expected for reading this book but it would be helpful.

Automate It Recipes To Upskill Your Business

Author : Chetan Giridhar
ISBN : 9781786462176
Genre : Computers
File Size : 56. 31 MB
Format : PDF, Kindle
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Put your life on autopilot and make your business processes efficient with the magic and power of Python! About This Book Learn how to construct Python scripts to scrape data, manipulate files, and access websites' APIs Get to know about the different types of bots, look at how to develop a simple chat bot and how bots can be used to automate business processes This book is written in Python 3.5 syntax to future-proof your automation and you'll get an understanding of how to customize the scripts to meet your future automation needs Who This Book Is For Our audience is programmers who know Python but need not be experts. They will however know a lot of the basics of the syntax and some basic experience with the command line. Ultimately, they're people who see themselves as busy and want to find cool hacks to automate all the mundane and time-consuming tasks they find themselves doing on a daily basis. What You Will Learn Implement file deduplication and how to parse HTML content in Python. Study an example application that will enable you to work with spreadsheets Get acquainted with the Python modules used to work with e-mails Manipulate images using Pillow and schedule tasks with respect to time zones Use XML or JSON as a message format across distributed systems Develop a Python application with logging and see an example of debugging Integrate Python with Mongo and Redis databases Generate reports using Pandas In Detail This book gives you a great selection of recipes to automate your business processes with Python, and provides a platform for you to understand how Python is useful to make time consuming and repetitive business tasks more efficient. Python is a mature high level language, has object-oriented programming features, powers various apps, has a huge set of modules, and great community support. Python is extremely easy to use, can help you get complex tasks done efficiently and is an apt choice for our needs. With a classic problem-solution based approach and real-world examples, you will delve into things that automate your business processes. You will begin by learning about the Python modules to work with Web, Worksheets, Presentations and PDFs. You'll leverage Python recipes to automate processes in HR, Finance and making them efficient and reliable. For instance, company payroll — an integral process in HR will be automated with Python recipes. A few chapters of this book will also help you gain knowledge on working with bots and computer vision. You will learn how to build bots for automating business use cases by integrating artificial intelligence. You'll also understand how Python is helpful in face detection and building a scanner of your own. You will see how to effectively and easily use Python code to manage SMS and voice notifications, opening a world of possibilities using cloud telephony to solve your business needs. Moving forward, you will learn to work with APIs, Webhooks and Emails to automate Marketing and Customer Support processes. Finally, using the various Python libraries, this book will arm you with knowledge to customize data solutions and generate reports to meet your business needs. This book will help you up-skill and make your business processes efficient with the various Python recipes covered in this book. Style and approach Recipes to automate your life with Python will open your eyes to new ways to automate nearly anything you can achieve with a mouse and keyboard.In it, you'll learn how to construct Python scripts to scrape data, super-charge Excel, manipulate files, access websites APIs and much more. Our recipe-based approach will ensure that you know the purpose of a code block, and the steps you need to take to achieve that are presented in an easily digestible manner.

Go Design Patterns For Real World Projects

Author : Vladimir Vivien
ISBN : 9781788392877
Genre : Computers
File Size : 80. 71 MB
Format : PDF, ePub
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An insightful guide to learning the Go programming language About This Book Get insightful coverage of Go programming syntax, constructs, and idioms to help you understand Go code Get a full explanation of all the known GoF design patterns in Go, including comprehensive theory and examples Learn to apply the nuances of the Go language, and get to know the open source community that surrounds it to implement a wide range of start-up quality projects Who This Book Is For Beginners to Go who are comfortable in other OOP languages like Java, C#, or Python will find this course interesting and beneficial. What You Will Learn Install and configure the Go development environment to quickly get started with your first program Use the basic elements of the language including source code structure, variables, constants, and control flow primitives Get to know all the basic syntax and tools you need to start coding in Go Create unique instances that cannot be duplicated within a program Build quirky and fun projects from scratch while exploring patterns, practices, and techniques, as well as a range of different technologies Create websites and data services capable of massive scaling using Go's net/http package, Explore RESTful patterns as well as low-latency WebSocket APIs Interact with a variety of remote web services to consume capabilities, ranging from authentication and authorization to a fully functioning thesaurus In Detail The Go programming language has firmly established itself as a favorite for building complex and scalable system applications. Go offers a direct and practical approach to programming that lets programmers write correct and predictable code using concurrency idioms and a full-featured standard library. This practical guide is full of real-world examples to help you get started with Go in no time at all. You'll start by understanding the fundamentals of Go, then get a detailed description of the Go data types, program structures, and Maps. After that, you'll learn how to use Go concurrency idioms to avoid pitfalls and create programs that are exact in expected behavior. Next, you will get familiar with the tools and libraries that are available in Go to write and exercise tests, benchmarking, and code coverage. After that, you will be able to utilize some of the most important features of GO such as Network Programming and OS integration to build efficient applications. Then you'll start applying your skills to build some amazing projects in Go. You will learn to develop high-quality command-line tools that utilize the powerful shell capabilities and perform well using Go's built-in concurrency mechanisms. Scale, performance, and high availability lie at the heart of our projects, and the lessons learned throughout the sections will arm you with everything you need to build world-class solutions. You will get a feel for app deployment using Docker and Google App Engine. Each project could form the basis of a start-up, which means they are directly applicable to modern software markets. With these skills in hand, you will be able to conquer all your fears of application development and go on to build large, robust and succinct apps in Go. This Learning Path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products: Learning Go Programming Go Design Patterns Go Programming Blueprints, Second Edition Style and approach Full of real-world, practical examples, this course teaches you the widely used design patterns and best practices in Go in a step-by-step manner. It also provides fun projects that involve building applications from scratch.

Automate It

Author : Chetan Giridhar
ISBN : 1786460513
Genre :
File Size : 30. 26 MB
Format : PDF, Kindle
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Put your life on Autopilot with the magic and power of PythonAbout This Book* Learn how to construct Python scripts to scrape data, manipulate files, and access websites' APIs* This book is designed for Python developers of any experience level, and the recipe-based approach will allow you to run code and get instant results* This book is written in Python 3.5 syntax to future-proof your automation and you'll get an understanding of how to customize the scripts to meet your future automation needsWho This Book Is ForOur audience is programmers who know Python but need not be experts. They will however know a lot of the basics of the syntax and some basic experience with the command line. Ultimately, they're people who see themselves as busy and want to find cool hacks to automate all the mundane and time-consuming tasks they find themselves doing on a daily basis.What You Will Learn* Implement file deduplication and how to parse HTML content in Python.* Study an example application that will enable you to work with spreadsheets* Get acquainted with the Python modules used to work with e-mails* Manipulate images using Pillow and schedule tasks with respect to time zones* Use XML or JSON as a message format across distributed systems* Develop a Python application with logging and see an example of debugging* Integrate Python with Mongo and Redis databases* Generate reports using PandasIn DetailAutomate It! gives you a great selection of recipes to automate your life with Python and provides a platform for Python developers to start thinking about how they can use Python to do the stuff that takes up their time. Python's key strength is its usability as a scripting language to achieve just about anything, using a mouse and key board for repetitive actions. Python is extremely easy to use and can help you get complex tasks done efficiently.With a classic problem-solution based approach, you will delve directly into the things that matter in your daily work. You will start by learning how to work with Python scripts and how to use Python with Excel, PDF, and DOC files that you work with every day. You will realize how easy it is to manipulate files using the power of Python and move on to learning about file systems in detail.Any complication that you may have faced while accessing APIs in Python will also be smoothed out. You will also get acquainted with how to effectively and easily use Python code to manage SMS and voice notifications, imaging, and time zones. As a developer, you need to know how quickly and easily you can debug your Python code, analyze data, and generate reports on demand and mechanize database automation. This book will arm you with knowledge to customize the solutions to meet your needs.The end goal of this book is to make you more productive, as well as feel good about your skills as a developer.

Aprendendo Padr Es De Projeto Em Python

Author : Chetan Giridhar
ISBN : 9788575225233
Genre : Computers
File Size : 46. 65 MB
Format : PDF, ePub, Docs
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Com um foco cada vez maior na otimização dos níveis de arquitetura e design de software, é importante que os arquitetos de software pensem em otimizações na criação de objetos, na estrutura do código e na interação entre objetos nesses níveis. Isso garante que o custo da manutenção de software seja baixo e o código seja facilmente reutilizado ou adaptável a mudanças. Aprendendo padrões de projeto em Python ajudará você a implementar cenários do mundo real com a versão mais recente de Python, a v3.5. Começaremos apresentando os padrões de projeto do ponto de vista de Python. À medida que avançar no livro, você conhecerá os padrões Singleton, Factory e Façade em detalhes. Depois disso, veremos como controlar o acesso a objetos com o padrão Proxy. O livro também inclui os padrões Observer, Command e Compound. Ao chegar ao final desta obra, você terá melhorado suas habilidades profissionais em arquitetura, design e desenvolvimento de software. Para quem este livro foi escrito Este livro foi escrito para arquitetos de software e desenvolvedores de aplicações Python apaixonados por design de software. Ele será muito útil para engenheiros com nível inicial de proficiência em Python que amam trabalhar com Python 3.5. O que você aprenderá com este livro Aperfeiçoar suas habilidades para criar uma arquitetura melhor de software. Entender soluções eficazes para problemas de design comuns. Explorar os princípios de design que formam a base do design de software, como baixo acoplamento, o princípio de Hollywood e o princípio do aberto/fechado, entre outros. Aprender como os conceitos de programação orientada a objetos são usados em aplicações de software. Desenvolver uma compreensão sobre os padrões de projeto de criação bem como os diferentes métodos de criação de objetos que ajudam a resolver problemas em desenvolvimento de software. Utilizar padrões de projeto estruturais e descobrir de que maneira os objetos e as classes interagem na construção de aplicações maiores. A interação entre os objetos com os padrões Command e Observer. Melhorar a produtividade e a base de código de sua aplicação usando padrões de projeto com Python.

Learn Python Programming

Author : Fabrizio Romano
ISBN : 9781788991650
Genre : Computers
File Size : 57. 12 MB
Format : PDF, ePub, Docs
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Build a solid foundation in coding by utilizing the language and its core characteristics Key Features Leverage the features of Python programming through easy-to-follow examples Develop a strong set of programming skills that can be applied on all platforms Create GUIs and data science-based applications Book Description Learn Python Programming creates a foundation for those who are interested in developing their skills in Python programming. The book starts with the fundamentals of programming with Python and ends by exploring different topics such as GUIs and real-world apps. You will begin by exploring the foundations of and fundamental topics on Python and learn to manipulate them. Then, you'll explore different programming paradigms that will allow you to find the best approach to a situation, and you’ll also understand how to carry out performance optimization as well as effective debugging. As you make your way through the chapters, you'll control the flow of a program, and persist and utilize an interchange format to exchange data. You'll also walk through cryptographic services in Python and understand secure tokens. Throughout, the book covers various types of applications, and it concludes with building real-world applications based on all the concepts that you learned. By the end of the book, you'll have a proper understanding of the Python language and a solid grasp on how to work with data. You'll know how to quickly build a website and harness the power of Python's renowned data science libraries. What you will learn Get Python up and running on Windows, Mac, and Linux Grasp fundamental concepts of coding using data structures and control flow Write elegant, reusable, and efficient code in any situation Understand when to use the functional or object-oriented programming (OOP) approach Walk through the basics of security and concurrent/asynchronous programming Create bulletproof, reliable software by writing tests Explore examples of GUIs, scripting, and data science Who this book is for Learn Python Programming is for individuals with relatively little experience in coding or Python. It's also ideal for aspiring programmers who need to write scripts or programs to accomplish tasks. The book takes you all the way to creating a full-fledged application.

Python Journey From Novice To Expert

Author : Fabrizio Romano
ISBN : 9781787122567
Genre : Computers
File Size : 33. 95 MB
Format : PDF, Docs
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Learn core concepts of Python and unleash its power to script highest quality Python programs About This Book Develop a strong set of programming skills with Pyhton that you will be able to express in any situation, on every platform, thanks to Python's portability Stop writing scripts and start architecting programs by applying object-oriented programming techniques in Python Learn the trickier aspects of Python and put it in a structured context for deeper understanding of the language Who This Book Is For This course is meant for programmers who wants to learn Python programming from a basic to an expert level. The course is mostly self-contained and introduces Python programming to a new reader and can help him become an expert in this trade. What You Will Learn Get Python up and running on Windows, Mac, and Linux in no time Grasp the fundamental concepts of coding, along with the basics of data structures and control flow Understand when to use the functional or the object-oriented programming approach Extend class functionality using inheritance Exploit object-oriented programming in key Python technologies, such as Kivy and Django Understand how and when to use the functional programming paradigm Use the multiprocessing library, not just locally but also across multiple machines In Detail Python is a dynamic and powerful programming language, having its application in a wide range of domains. It has an easy-to-use, simple syntax, and a powerful library, which includes hundreds of modules to provide routines for a wide range of applications, thus making it a popular language among programing enthusiasts.This course will take you on a journey from basic programming practices to high-end tools and techniques giving you an edge over your peers. It follows an interesting learning path, divided into three modules. As you complete each one, you'll have gained key skills and get ready for the material in the next module.The first module will begin with exploring all the essentials of Python programming in an easy-to-understand way. This will lay a good foundation for those who are interested in digging deeper. It has a practical and example-oriented approach through which both the introductory and the advanced topics are explained. Starting with the fundamentals of programming and Python, it ends by exploring topics, like GUIs, web apps, and data science.In the second module you will learn about object oriented programming techniques in Python. Starting with a detailed analysis of object-oriented technique and design, you will use the Python programming language to clearly grasp key concepts from the object-oriented paradigm. This module fully explains classes, data encapsulation, inheritance, polymorphism, abstraction, and exceptions with an emphasis on when you can use each principle to develop well-designed software.With a good foundation of Python you will move onto the third module which is a comprehensive tutorial covering advanced features of the Python language. Start by creating a project-specific environment using venv. This will introduce you to various Pythonic syntax and common pitfalls before moving onto functional features and advanced concepts, thereby gaining an expert level knowledge in programming and teaching how to script highest quality Python programs. Style and approach This course follows a theory-cum-practical approach having all the ingredients that will help you jump into the field of Python programming as a novice and grow-up as an expert. The aim is to create a smooth learning path that will teach you how to get started with Python and carry out expert-level programming techniques at the end of course.

Head First Python

Author : Paul Barry
ISBN : 9781449360436
Genre : Computers
File Size : 45. 74 MB
Format : PDF, Kindle
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Ever wished you could learn Python from a book? Head First Python is a complete learning experience for Python that helps you learn the language through a unique method that goes beyond syntax and how-to manuals, helping you understand how to be a great Python programmer. You'll quickly learn the language's fundamentals, then move onto persistence, exception handling, web development, SQLite, data wrangling, and Google App Engine. You'll also learn how to write mobile apps for Android, all thanks to the power that Python gives you. We think your time is too valuable to waste struggling with new concepts. Using the latest research in cognitive science and learning theory to craft a multi-sensory learning experience, Head First Python uses a visually rich format designed for the way your brain works, not a text-heavy approach that puts you to sleep.

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