sqlalchemy_mptt

Library for implementing Modified Preorder Tree Traversal with your SQLAlchemy Models and working with trees of Model instances, like django-mptt. The nested set model is a particular technique for representing nested sets (also known as trees or hierarchies) in relational databases.

API:

• sqlalchemy_mptt package
  • Events
    • Base events
    • Hidden method
  • Mixins
  • Tests
    • Base tests

Where used

• ps_tree
• pyramid_pages
• your project …

Manual

• Initalize
  • Session factory wrapper
  • Using session factory wrapper with flask_sqlalchemy
  • Events
  • Data structure
  • Initializing a tree with data
• CRUD
  • INSERT
  • UPDATE
  • DELETE

Tutorial

• Flask
  • Represent data of tree in table
  • Drilldown
  • Path to root
  • Full code

A lot of examples and logic in sqlalchemy_mptt.tests.tree_testing_base

Support and Development

To report bugs, use the issue tracker.

We welcome any contribution: suggestions, ideas, commits with new futures, bug fixes, refactoring, docs, tests, translations, etc…

If you have question, contact me sacrud@uralbash.ru or #sacrud IRC channel

Indices and tables

• Index
• Module Index
• Search Page