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 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 }