Module expr 

Shared callee-rendering helpers used by both calls and risk detectors.

Functions

leftmost_name

The leftmost Name of an expression chain — the anchor for line resolution.

render_expr

Render a callee expression into a dotted string: Name("open") → "open", Attribute(Name("requests"), "get") → "requests.get". Returns None for shapes we don’t model (calls-of-calls, subscript callees, etc.).