roslaunch.core: Core roslaunch model and lower-level utility routines.
roslaunch.depends: Utility module of roslaunch that extracts dependency information
from roslaunch files, including calculating missing package
dependencies.
roslaunch.launch: Top-level implementation of launching processes.
roslaunch.loader: General routines and representations for loading roslaunch model.
roslaunch.netapi: Convience methods for manipulating XML-RPC APIs
roslaunch.node_args: Utility module of roslaunch that computes the command-line
arguments for a node.
roslaunch.nodeprocess: Local process implementation for running and monitoring nodes.