This package provides a library for implementing query languages for Python. The syntax is based on Python's generator expression. A query in this language looks like this:

>>> from xotl.ql.core import this, get_query_object

>>> query = get_query_object(
...    child
...    for parent in this
...    if parent.children and parent.age > 32
...    for child in parent.children
...    if child.age < 6
... )

The resultant query is an object that "describes" at the syntactical level the query expression above.

Full documentation kept at Read the doc.

You may contribute as much as you like, and by any means you feel the project may be helped. If is code what you may apport; just fork this project make changes and place a pull request.

All development is first integrated in the develop branch . The master branch holds the last stable version. Topic branches are suggested and merged to the develop.

When a develop cycle ends we tag the develop branch with a simple 'x.y.z' version for the release of the cycle. The tag in the master has prefix 'v'.

The word "xotl" is a Nahuatl word that means foundation, base. The xotl package comprises the foundation for building reliable systems: both frameworks, libraries and an object model that allows to build complex systems.