imports.R

# Imports a namespace under an alias
# (equivalent of Python's `import ... as ...`)
importAs = function(namespace, alias) {
  namespace::registerNamespace(name = alias, env = asNamespace(namespace))
}

# Imports function(s) from a namespace (including unexported functions)
# to the global namespace
# (equivalent of Python's `import ... from ...`)
importFrom = function(namespace, functions) {
  for (fun in functions) {
    assign(
      fun,
      getFromNamespace(fun, ns = asNamespace(namespace)),
      env = parent.frame()
    )
  }
}