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An object mapper for the neo4j graph database.

Project Description

neomodel

An Object Graph Mapper (OGM) for the neo4j graph database, built on the awesome neo4j_driver

  • Familiar Django model style definitions.
  • Powerful query API.
  • Enforce your schema through cardinality restrictions.
  • Full transaction support.
  • Thread safe.
  • pre/post save/delete hooks.
  • Django integration via django_neomodel
https://secure.travis-ci.org/neo4j-contrib/neomodel.png Documentation Status

Documentation

Available on readthedocs.

Requirements

  • Python 2.7, 3.4+
  • neo4j 3.0, 3.1, 3.2, 3.3

Installation

Install from pypi (recommended):

$ pip install neomodel

To install from github:

$ pip install git+git://github.com/neo4j-contrib/neomodel.git@HEAD#egg=neomodel-dev

Upgrading 2.x to 3.x

  • Now utilises neo4j_driver as the backend which uses bolt so neo4j 3 is required
  • Connection now set through config.DATABASE_URL (see getting started docs)
  • The deprecated category() method on StructuredNode has been removed
  • The deprecated index property on StructuredNode has been removed
  • The streaming=True flag is now irrelevant with bolt and produces a deprecation warning
  • Batch operations must now be wrapped in a transaction in order to be atomic
  • Indexing NodeSets returns a single node now as opposed to a list

Contributing

Ideas, bugs, tests and pull requests always welcome.

Running the test suite

Make sure you have a Neo4j database version 3 or higher to run the tests on. (it will wipe this database for each test run):

$ export NEO4J_BOLT_URL=bolt://neo4j:neo4j@localhost:7687 # (the default)

Setup a virtual environment, install neomodel for development and run the test suite:

$ virtualenv venv
$ source venv/bin/activate
$ python setup.py develop
$ pytest

If your running a neo4j database for the first time the test suite will set the password to ‘test’.

If you have docker-compose installed, you can run the test suite against all supported Python interpreters and neo4j versions:

# in the project's root folder:
$ ./tests-with-docker-compose.sh
Join the chat at https://gitter.im/neo4j-contrib/neomodel

Release history Release notifications

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Filename, size & hash SHA256 hash help File type Python version Upload date
neomodel-3.2.6-py2-none-any.whl (48.8 kB) Copy SHA256 hash SHA256 Wheel py2 Apr 4, 2018
neomodel-3.2.6-py2.py3-none-any.whl (48.8 kB) Copy SHA256 hash SHA256 Wheel py2.py3 Apr 4, 2018
neomodel-3.2.6.tar.gz (42.4 kB) Copy SHA256 hash SHA256 Source None Apr 4, 2018

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