class TablePrint::Fingerprinter

def populate_row(prefix, hash, target)
  row = TablePrint::Row.new()
  # populate a row with the columns we handle
  cells = {}
  handleable_columns(hash).each do |method|
    display_method = (prefix == "" ? method : "#{prefix}.#{method}")
    if method.is_a? Proc
      cell_value = method.call(target)
    elsif target.is_a? Hash and target.keys.include? method.to_sym
      cell_value = target[method.to_sym]
    elsif target.is_a? Hash and target.keys.include? method
      cell_value = target[method]
    elsif target.respond_to? method
      cell_value ||= target.send(method)
    else
      cell_value = "Method Missing"
    end
    cells[@column_names_by_display_method[display_method]] = cell_value
  end
  row.set_cell_values(cells)
end