datacatalogtordf 1.2.0

A library for mapping a data catalog to rdf

datacatalogtordf

A small Python library for mapping a data catalog to rdf

The library contains helper classes for the following dcat classes:

• Catalog
• Dataset
• Distribution
• Data Service

Other relevant classes are also supported, such as:

• Contact vcard:Kind

The library will map to the Norwegian Application Profile of the DCAT standard.

Usage

Install

% pip install datacatalogtordf

Getting started

from datacatalogtordf import Catalog, Dataset

# Create catalog object
catalog = Catalog()
catalog.identifier = "http://example.com/catalogs/1"
catalog.title = {"en": "A dataset catalog"}
catalog.publisher = "https://example.com/publishers/1"

# Create a dataset:
dataset = Dataset()
dataset.identifier = "http://example.com/datasets/1"
dataset.title = {"nb": "inntektsAPI", "en": "incomeAPI"}
#
# Add dataset to catalog:
catalog.datasets.append(dataset)

# get rdf representation in turtle (default)
rdf = catalog.to_rdf()
print(rdf.decode())

Development

Requirements

• pyenv (recommended)
• python3
• [pipx] (https://github.com/pipxproject/pipx) (recommended)
• poetry
• nox

% pipx install poetry==1.0.5
% pipx install nox==2019.11.9

Install

% git clone https://github.com/Informasjonsforvaltning/datacatalogtordf.git
% cd datacatalogtordf
% pyenv install 3.8.2
% pyenv install 3.7.6
% pyenv local 3.8.2 3.7.6
% poetry install

Run all sessions

% nox

Run all tests with coverage reporting

% nox -rs tests

Debugging

You can enter into Pdb by passing --pdb to pytest:

nox -rs tests -- --pdb

You can set breakpoints directly in code by using the function breakpoint().