Conditional error/warning

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Raise an error if a predicate is True.

Documentation

Raise an error if the supplied predicate function returns True.

See https://docs.python.org/3/tutorial/controlflow.html#lambda-expressions for a description of lambda functions. Have a look at the Data type APIs to see what methods and attributes are available on the data type that you are working with.

Definition

Input ports

in

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Input

Output ports

out

<a>

Output

Configuration:
Predicate function: (predicate)

Error message is printed if this function returns True.

Error message: (error_msg)

Error message to display to the user.

Severity: (error_type)

The level “Error” stops flow execution.

class node_conditional_error.ConditionalError[source]

Example flows