Building Web Applications with Python and Neo4j by Sumit Gupta

By Sumit Gupta

Boost fascinating real-world Python-based internet purposes with Neo4j utilizing frameworks comparable to Flask, Py2neo, and Django
About This Book

boost a suite of universal purposes and strategies with Neo4j and Python
safe and set up the Neo4j database in production
A step by step advisor on enforcing and deploying interactive Python-based internet purposes on graph info model

Who This e-book Is For

If you're a Python developer and wish to extend your figuring out of Python-based net functions over Neo4j graph facts versions, this can be the booklet for you.
What you'll Learn

comprehend the licensing and set up of the Neo4j database and paintings with its quite a few instruments and utilities
examine the intricacies of Cypher as a graph question language
paintings with Cypher to create and alter graph info models
combine Python and Neo4j utilizing Py2neo
boost REST-based providers over social community information utilizing Flask and item graph versions over Neo4j
combine Django-based net purposes over graph facts versions utilizing Neomodel
discover assorted deployment types and their applicability with latest applications

In Detail

Py2neo is an easy and pragmatic Python library that gives entry to the preferred graph database Neo4j through its RESTful internet provider interface. This brings with it a seriously refactored center, a cleanser API, greater functionality, and a few new idioms.

You will commence with licensing and fitting Neo4j, studying the basics of Cypher as a graph question language, and exploring Cypher optimizations. you'll find how one can combine with a number of Python frameworks similar to Flask and its extensions: Py2neo, Neomodel, and Django. ultimately, the deployment points of your Python-based Neo4j functions in a construction setting can also be coated. by means of sequentially operating in the course of the steps in each one bankruptcy, you'll speedy examine and grasp a few of the implementation info and integrations of Python and Neo4j, aiding you to boost your use situations extra fast.

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Extra info for Building Web Applications with Python and Neo4j

Sample text

The Widget area may contain graphical controls; here, it displays a slider. • The Output area can contain multiple outputs, here: °° Standard output (text in black) °° Error output (text with a red background) °° Rich output (an HTML table and an image here) [ 18 ] Chapter 1 The Notebook modal interface The Notebook implements a modal interface similar to some text editors such as vim. Mastering this interface may represent a small learning curve for some users. • Use the edit mode to write code (the selected cell has a green border, and a pen icon appears at the top right of the interface).

You can change the kernel language of your notebook from the Kernel menu. We will see in Chapter 6, Customizing IPython how to manage different kernel languages. • The Toolbar contains icons for common actions. In particular, the dropdown menu showing Code lets you change the type of a cell. • Following is the main component of the UI: the actual Notebook. It consists of a linear list of cells. We will detail the structure of a cell in the following sections. Structure of a notebook cell There are two main types of cells: Markdown cells and code cells, and they are described as follows: • A Markdown cell contains rich text.

Edu/data/). [ 37 ] Getting Started with IPython IPython provides several magic commands that let you interact with your filesystem. These commands are prefixed with a %. For example here is how to display the current working directory: In [1]: %pwd Out[1]: '/home/cyrille/minibook/chapter1' Like most other magic commands, this magic command works on all operating systems, including Windows. IPython implements several cross-platform Python equivalents of common Unix commands like pwd. For other commands not implemented by IPython, we need to call shell commands directly with the !

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