class Dependabot::Uv::FileFetcher

def constraints_files
  all_requirement_files = requirements_txt_files +
                          child_requirement_txt_files
  constraints_paths = all_requirement_files.map do |req_file|
    current_dir = File.dirname(req_file.name)
    paths = req_file.content.scan(CONSTRAINT_REGEX).flatten
    paths.map do |path|
      path = File.join(current_dir, path) unless current_dir == "."
      cleanpath(path)
    end
  end.flatten.uniq
  constraints_paths.map { |path| fetch_file_from_host(path) }
end