book

Building web applications with Python and Neo4j

by Sumit Gupta

July 2015

Intermediate to advanced

184 pages

4h 2m

English

Packt Publishing

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What this book covers

Downloading the example codeErrataPiracyQuestions
Thinking in graphs for SQL developersComparing SQL and CypherEvolving graph structures from SQL models
Licensing – Community EditionLicensing – Enterprise EditionInstalling Neo4J Community Edition on Linux/UnixInstalling as a Linux tar / standalone applicationInstalling as a Linux serviceInstalling Neo4j Enterprise Edition on Unix/Linux
Authorization and authenticationCRUD operations
Basic anatomy of a Cypher queryBrief details of CypherCypher execution phasesParsing, validating, and generating the execution planLocating the initial node(s)Selecting and traversing the relationshipsChanging and/or returning the valuesThe structure of CypherThe read operationsMATCHOPTIONAL MATCHSTARTAGGREGATIONThe create or update operationsCreateSETMERGEThe delete operation
Sample datasetPattern for nodesPattern for labelsPattern for relationshipsPattern for propertiesUsing the where clause with patternsUsing patterns in the where clauseUsing general clauses with patternsThe order by clauseThe limit and skip clausesThe WITH clauseThe UNION and UNION ALL clausesWorking with nodes and relationships
Creating nodes and relationshipsWorking with nodesSingle nodeMultiple nodesNode with labelsNode with propertiesWorking with relationshipsSingle relationshipsMultiple relationshipsRelationships with propertiesNodes and relationships with full pathsCreating unique nodes and relationshipsCREATE UNIQUE and MERGEWorking with constraints
Updating node propertiesUpdating a labelUpdating relationships
IndexesIndex samplingUnderstanding execution plansAnalyzing and optimizing queries
Installing and configuring py2neoPrerequisitesInstalling py2neo
GraphAuthenticationNodeRelationshipCypherTransactionsPaths
Introducing (and installing) Flask
Your first Flask applicationDisplaying static contentDisplaying dynamic contentYour first Flask RESTful APIJSON processing
ORM for graph databases py2neo – OGMSocial network application with Flask-RESTful and OGMCreating object modelCreating REST APIs over data models
Installing and configuring Neomodel
Defining nodesDefining propertiesPersisting and querying a social data model
Signals in Neomodel
Neo4j logical architectureDisk/filesystemRecord filesTransaction logsCachesCore Java APITraversal frameworkREST API
High availabilityFault toleranceData replication and data localityAdvanced settings
Neo4j browserWebadminJMX beans

Overview

Expand your Python web development expertise by integrating Neo4j into your applications. Through this book, you'll journey from understanding Neo4j's fundamentals to building powerful Python-based applications using tools like Flask, Py2neo, and Django. Learn how to model, query, and update graph data effectively.

What this Book will help me do

Gain an in-depth understanding of Neo4j installation, licensing, and tools.
Master using Cypher for querying and modifying graph data models.
Learn how to integrate Python with Neo4j effectively using Py2neo.
Build RESTful services with Flask leveraging Neo4j for structured data.
Create robust Django applications using graph-based data models with Neomodel.

Author(s)

Sumit Gupta is a seasoned Python developer with a strong background in graph database design and integration. He has extensive experience using Neo4j to create efficient, scalable applications for real-world problems. His hands-on approach combines practical examples with the depth of knowledge required to develop expertise.

Who is it for?

This book is ideal for Python developers with an interest in enhancing their applications through graph database technology. If you possess a moderate understanding of Python and wish to explore Neo4j for creating smarter, more interconnected data-driven solutions, this book is for you. You should be comfortable with basic programming concepts to fully benefit from this book.