Expressions

Expressions are objects encapsulating code for situations such as filtering or calculations.

An expression has the following properties:

• language: The name of the environment where the expression will be executed, as specified in settings.LANGUAGES. See LANGUAGES).
• content: The actual code to run, or
• path: path to a file containing the code to run

The expression will be evaluated inside a function and run against every row in the datasheet. The following context variables will be avalaible:

* ``row``: A dictionary representing the currently selected row.