pajoma / python-oparl

OParl client

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Python OParl client library

This package provides tools for easily retrieving information from an OParl server. OParl is a standard interface for publishing information about parliaments and their work.

Installation

We recommend to install the library in a virtualenv:

virtualenv venv
source venv/bin/activate

Then:

pip install -e git+https://github.com/stadt-karlsruhe/python-oparl#egg=oparl

Currently, Python 2.7, 3.3, 3.4 and 3.5 are supported.

Usage

The main tool of the library is the Object class and its subclasses. They provide wrappers for the various OParl classes (Body, Person, ...) and support lazy loading and automatic conversion of OParl data types (e.g. date-time) to Python types (datetime.datetime).

You will typically start by loading a single object from an OParl server using the from_id function:

import oparl
system = oparl.from_id('https://politik-bei-uns.de/oparl')

If you've already got OParl JSON data you can also use from_json.

Instances of Object and its subclasses support a read-only dict-interface:

for body in system['body']:
    print(body['name'])

This library tries to be as compatible with OParl 1.0 as possible but does not enforce strict compliance. In some cases non-compliant server behavior that has been seen "in the wild" is supported. These cases trigger a SpecificationWarning. If invalid values are encountered during auto-conversion (e.g. illegal date strings) then a ContentWarning is issued and conversion is skipped.

By default, HTTPS certificates are verified. You can disable that verification by setting VERIFY_HTTPS to False.

The library's logger (log) doesn't have a handler attached to it by default, but may come in handy during development.

Development

First make sure that you have the necessary tools installed:

pip install -r dev-requirements.txt

To run the tests, execute

tox

License

Copyright (c) 2016, Stadt Karlsruhe (www.karlsruhe.de)

Distributed under the MIT license, see the file LICENSE for details.

Changelog

0.1.1

  • Fixed a bug in the handling of unknown types
  • Made parsing more robust and warning messages more informative

0.1.0

  • First public release

About

OParl client

License:MIT License


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