def parse_input(input_parameter):
    """From a syntax like package_name#submodule, build a package name
    and complete module name.
    """
    split_package_name = input_parameter.split('#')
    package_name = split_package_name[0]
    module_name = package_name.replace("-", ".")
    if len(split_package_name) >= 2:
        module_name = ".".join([module_name, split_package_name[1]])
    return package_name, module_name