text: """Misc utilities."""
  
  def produce_paths_module(name, version):
    """Produce content of Paths_* module usually generated by Cabal. We do not
    replicate the whole thing yet, only version definition which is the most
    often used thing.
  
    Args:
      name:    String, package name.
      version: String, version string with dot-separated components, e.g. "1.2.3".
  
    Returns:
      String, String:
        * Filename for the module file.
        * Textual contents of the file.
    """
  
    adjusted_pkgname = name.replace("-", "_")
  
    contents = """
    {-# OPTIONS_GHC -fno-warn-implicit-prelude #-}
    module Paths_"""
    contents += adjusted_pkgname
    contents += """ (
      version
    ) where
  
    import Data.Version (Version (..))
    import Prelude
  
    version :: Version
    version = Version ["""
    contents += version.replace(".", ",")
    contents += """] []
    """
  
    filename = "Paths_" + adjusted_pkgname + ".hs"
    return filename, contents
  