Poio API - a linguistic annotation library for Python

Poio API is a free and open source Python library to access and analyse data from language documentation in your linguistic analysis workflow. It converts file formats like Elan’s EAF, Toolbox files, Typecraft XML and others into annotation graphs as defined in ISO 24612. Those graphs, for which we use an implementation called “Graph Annotation Framework” (GrAF), allow unified access to linguistic data from a wide range of sources.

Think of GrAF as an assembly language for linguistic annotation, then Poio API is a library to map from and to higher-level languages.

Poio API is developed as a part of the curation project of the F-AG 3 within CLARIN-D.

Example

This block of code loads a Elan EAF file as annotation graph and writes the data as html table into a file:

# imports
import poioapi.annotationgraph

# Load the data from EAF file
ag = poioapi.annotationgraph.AnnotationGraph.from_elan("elan-example3.eaf")

# Output as html
import codecs
f = codecs.open("example.html", "w", "utf-8")
f.write(ag.as_html_table(False, True))
f.close()

License

The Poio API source code is distributed under the Apache 2.0 License.

Requirements

You need to install the following Python packages:

Download

Installation

It is recommended to install Poio API from PyPI, you can install via easy_install:

$ easy_install poio-api

To install Poio API from the downloaded package you need to unpack the file and start "setup.py" on the command line. Change to the directory into which you downloaded the package and unpack it:

$ unzip poio-api-x.y.z.zip
$ cd poio-api-x.y.z

Then, to install the package locally into your python repository (you may need to have root privileges):

$ python setup.py install

Documentation

Visit our documentation website.

Support and bug reports

You can post comments and questions about graf-python in the Poio User Group. For bug reports please create an issue on Github.

Repository

The graf-python source code is hosted on Github.

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