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Flatland manages the mapping between structured Python application data and the flat key/value namespace of forms. Features include:

  • Declarative form specification
  • Conversion to and from native Python types and Unicode
  • Structured data: lists, dicts, lists of dicts, etc.
  • JavaScript-safe name flattening by default
  • Schema-driven, directed expansion of incoming key/value pairs- only expected request data is examined and parsed
  • Compound fields
  • Validation
  • Strong value defaulting, pre-populating re-populating and roundtripping
  • Namespacing: easily manage multiple forms in a single page
  • Works on form and JSON data


LicenseVerified byVerified onNotes
BSD 3ClauseKelly Hopkins3 February 2010
ExpatKelly Hopkins3 February 2010

Leaders and contributors

Jason Kirtland Maintainer

Resources and communication

Audience Resource type URI
Developer Homepage

Software prerequisites

This entry (in part or in whole) was last reviewed on 3 February 2010.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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