Doc/c-api/lifecycle.dot

digraph "Life Events" {
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     "tp_alloc" [href="typeobj.html#c.PyTypeObject.tp_alloc" target="_top"]
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   "tp_init" [href="typeobj.html#c.PyTypeObject.tp_init" target="_top"]
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   "finalized?" [
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   "uncollectable" [
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   "tp_free" [href="typeobj.html#c.PyTypeObject.tp_free" target="_top"]

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     labeltooltip="tp_traverse to reachable: not in a cyclic isolate"
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   "reachable" -> "tp_traverse" [
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     labeltooltip="reachable to tp_traverse: periodic cyclic isolate detection"
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   "reachable" -> "tp_init" [tooltip="reachable to tp_init"]
   "reachable" -> "tp_finalize" [
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     label=<  resurrected  <br/>  (maybe remove  <br/>  finalized mark)  >
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     tooltip="tp_traverse to finalized?: cyclic isolate"
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   "reachable" -> "finalized?" [
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     tooltip="reachable to finalized?: no refs"
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   "finalized?" -> "tp_finalize" [
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     labeltooltip="finalized? to tp_clear: yes"
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     tooltip="tp_finalize to tp_dealloc: no refs"
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   "tp_clear" -> "tp_dealloc" [
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     labeltooltip="tp_clear to tp_dealloc: no refs"
     tooltip="tp_clear to tp_dealloc: no refs"
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   "tp_clear" -> "uncollectable" [
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     tooltip="tp_clear to uncollectable: cyclic isolate"
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   "uncollectable" -> "tp_dealloc" [
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     tooltip="uncollectable to tp_dealloc"
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   "reachable" -> "uncollectable" [
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     tooltip="reachable to uncollectable: cyclic isolate (no GC support)"
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     label=<    direct call  >
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     tooltip="tp_dealloc to tp_free: direct call"
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}