Function deep_eval

test/functional/feature_taproot.py:157–163

Recursively replace any callables c in expr (including inside lists) with c(ctx).

(ctx, expr)

g_genesis_hash = None

def deep_eval(ctx, expr):
    """Recursively replace any callables c in expr (including inside lists) with c(ctx)."""
    while callable(expr):
        expr = expr(ctx)
    if isinstance(expr, list):
        expr = [deep_eval(ctx, x) for x in expr]
    return expr

# Data type to represent fully-evaluated expressions in a context dict (so we can avoid reevaluating them).
Final = namedtuple("Final", "value")