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   1 Overview Diagram of cnfvar package
   2 ==================================
   3
   4 ::
   5
   6   frontend    .    CRUD layer      .    backend drivers  .       backend
   7               |                    |                     |
   8               |                    |                     |      .-,(  ),-.
   9       o       |                    |                     |   .-(          )-.
  10      /|\      | .----------.       |            .---------->(   varlink API  )
  11      / \      |/| CnfStore |       |            |        |   '-(          ).-'
  12               / '----------'       |            |        |       '-.( ).-'
  13              /|       |            |    .-------------.  |     |
  14  .----------' |       |            |    | varlink API |  |     |
  15  | CnfList |  |       '---------------->|  interface  |  |     |    _.-----._
  16  '--.------.  |                    |    '-------------'  |     |  .-         -.
  17     |.-----.\ |                    |                     |     '->|-_       _-|
  18     || Cnf | \| .----------------. |                     |        |  ~-----~  |
  19     |'-----'  \ | BinaryCnfStore | |                     |     .->|   cnfvar  |
  20     |.-----.  |'-----------------' |                     |     |  `._backend_.'
  21     || Cnf |  |         |          |    .------------.   |     |     "-----"
  22     |'-----'  |         |          |    | subprocess |   |     |
  23     |.-----.  |         '-------------->|  wrappers  |   |     _______
  24     '| Cnf |  |                    |    '------------'   |    |get_cnf|
  25      '-----'  |                    |           |         |    |set_cnf|
  26               |                    |           '------------> |_______|
  27               |                    |                     |    /:::::::/
  28               |                    |                     |
  29               '                    '                     '
  30