digraph ideal {

rankdir = "LR"

object [

shape = none

label = <<table border="0" cellspacing="0">

<tr><td><b>object</b></td></tr>

<tr><td port="w" border="1">weakrefs</td></tr>

<tr><td port="dv" border="1">dict or values</td></tr>

<tr><td border="1" >GC info 0</td></tr>

<tr><td border="1" >GC info 1</td></tr>

<tr><td port="r" border="1" >refcount</td></tr>

<tr><td port="h" border="1" >__class__</td></tr>

</table>>

]

values [

shape = none

label = <<table border="0" cellspacing="0">

<tr><td><b>values</b></td></tr>

<tr><td border="1">Insertion order</td></tr>

<tr><td port="0" border="1">values[0]</td></tr>

<tr><td border="1">values[1]</td></tr>

<tr><td border="1">...</td></tr>

</table>>

]

class [

shape = none

label = <<table border="0" cellspacing="0">

<tr><td><b>class</b></td></tr>

<tr><td port="head" bgcolor="lightgreen" border="1">...</td></tr>

<tr><td border="1" bgcolor="lightgreen">dict_offset</td></tr>

<tr><td border="1" bgcolor="lightgreen">...</td></tr>

<tr><td port="k" border="1" bgcolor="lightgreen">cached_keys</td></tr>

</table>>

]

keys [label = "dictionary keys"; fillcolor="lightgreen"; style="filled"]

NULL [ label = " NULL"; shape="plain"]

object:w -> NULL

object:h -> class:head

object:dv -> values:0

class:k -> keys

oop [ label = "pointer"; shape="plain"]

oop -> object:r

}