Evaluate an expression within a context.

The with method for objects of type python.builtin.object implements the context manager protocol used by the Python with statement. The passed object must implement the context manager (__enter__ and __exit__ methods.

# S3 method for python.builtin.object
with(data, expr, as = NULL, ...)

Arguments

data	Context to enter and exit
expr	Expression to evaluate within the context
as	Name of variable to assign context to for the duration of the expression's evaluation (optional).
...	Unused