You can search for identifiers within the package.
in-package search v0.2.0
py
Py.PyModule
val import : string -> Object.t
val add_int : Object.t -> string -> int -> unit
val add_string : Object.t -> string -> string -> unit
val add_object : Object.t -> string -> Object.t -> unit
val set : string -> Object.t -> unit
val get : string -> Object.t
val get_dict : string -> Object.t
val reload : Object.t -> Object.t
val main : unit -> Object.t