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Pyramid Concepts

Request Response Cycle

                                                 Traversal
                                                     |
-----------------------     -----------------------  |  -----------------------
|   (HTTP) Request    |---->|  (Pyramid) Request  |---->| (Pyramid) Ressource |
-----------------------     -----------------------     -----------------------
                                                                  |
                                                                  |--- View Lookup
                                                                  v
-----------------------     -----------------------     =======================
|   (HTTP) Response   |<----|  (Pyramid) Response |<----#   (Pyramid) View    #
-----------------------     -----------------------     =======================

Forms

        Application                    Data Structure             Data (De-)Serialization               Rendering
---------------------------     ---------------------------     ---------------------------     ---------------------------

===========================                                                                     ---------------------------
#     (Pyramid) View      #---------------------------------------------------------------------|  (Chameleon) Template   |
===========================                                                                     ---------------------------
            |
------------^--------------
| (Portal) FormController |
---------------------------
            |
---------------------------     ---------------------------     ---------------------------     ---------------------------
|     (Deform) Form       |-----|    (Colander) Schema    |-----|     (Deform) Widget     |-----|  (Chameleon) Template   |
---------------------------     ---------------------------     ---------------------------     ---------------------------
                                             |
---------------------------     -------------^-------------     ---------------------------     ---------------------------
|     (Deform) Field      |-----|    (Colander) Schema    |-----|     (Deform) Widget     |-----|  (Chameleon) Template   |
---------------------------     ---------------------------     ---------------------------     ---------------------------
                                             |
---------------------------     -------------^-------------     ---------------------------     ---------------------------
|     (Deform) Field      |-----|  (Colander) SchemaNode  |-----|     (Deform) Widget     |-----|  (Chameleon) Template   |
---------------------------     ---------------------------     ---------------------------     ---------------------------
                                                                  /                     \
                                                                 /                       \
                                                                /                         \

                                                     Serialization      Application     Deserialization 
                                                    ---------------   ---------------   ---------------
                                                    ...............   ...............   ...............
                                                    :   cstruct   :<--:  appstruct  :<--:   cstruct   :   (Colander)
                                                    ´´´´´´´´´´´´´´´   ´´´´´´´´´´´´´´´   ´´´´´´´^´´´´´´´
                                                           |                            .......|.......
                                                           |                            :   pstruct   :   (Peppercorn)
                                                           v                            ´´´´´´´^´´´´´´
                                                    ...............                     .......|.......
                                                    :     HTML    :                     :     HTML    :
                                                    ´´´´´´´´´´´´´´´                     ´´´´´´´´´´´´´´´

API

        Application                    Data Structure      
---------------------------     ---------------------------

===========================     ---------------------------
#    (Cornice) Service    #-----|    (Colander) Schema    |
===========================     ---------------------------
                                            |
                                ------------^--------------
                                |    (Colander) Schema    |
                                ---------------------------
                                            |
                                ------------^--------------
                                |  (Colander) SchemaNode  |
                                ---------------------------