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reticulate (version 1.37.0)

py_bool: Python Truthiness

Description

Equivalent to bool(x) in Python, or not not x.

Usage

py_bool(x)

Value

An R scalar logical: TRUE or FALSE. If x is a null pointer or Python is not initialized, FALSE is returned.

Arguments

x,

A python object.

Details

If the Python object defines a __bool__ method, then that is invoked. Otherwise, if the object defines a __len__ method, then TRUE is returned if the length is nonzero. If neither __len__ nor __bool__ are defined, then the Python object is considered TRUE.