mistral.expressions package

Submodules

mistral.expressions.base_expression module

class mistral.expressions.base_expression.Evaluator

Bases: object

Expression evaluator interface.

Having this interface gives the flexibility to change the actual expression language used in Mistral DSL for conditions, output calculation etc.

classmethod evaluate(expression, context)

Evaluates the expression against the given data context.

Parameters:

• expression – Expression string
• context – Data context

Returns:

Expression result

classmethod is_expression(expression)

Check expression string and decide whether it is expression or not.

Parameters:expression – Expression string Returns:True if string is expression

classmethod validate(expression)

Parse and validates the expression.

Parameters:expression – Expression string Returns:True if expression is valid

mistral.expressions.jinja_expression module

class mistral.expressions.jinja_expression.InlineJinjaEvaluator

Bases: mistral.expressions.base_expression.Evaluator

classmethod evaluate(expression, data_context)

classmethod is_expression(s)

classmethod validate(expression)

class mistral.expressions.jinja_expression.JinjaEvaluator

Bases: mistral.expressions.base_expression.Evaluator

classmethod evaluate(expression, data_context)

classmethod is_expression(s)

classmethod validate(expression)

mistral.expressions.yaql_expression module

class mistral.expressions.yaql_expression.InlineYAQLEvaluator

Bases: mistral.expressions.yaql_expression.YAQLEvaluator

classmethod evaluate(expression, data_context)

classmethod find_inline_expressions(s)

classmethod is_expression(s)

classmethod validate(expression)

class mistral.expressions.yaql_expression.YAQLEvaluator

Bases: mistral.expressions.base_expression.Evaluator

classmethod evaluate(expression, data_context)

classmethod is_expression(s)

classmethod validate(expression)

Module contents