From 26620b229a9b02751a2239175dfb15ac512f5313 Mon Sep 17 00:00:00 2001
From: liamhuber <liamhuber@greyhavensolutions.com>
Date: Tue, 30 Jan 2024 12:16:59 -0800
Subject: [PATCH 1/3] Purge and restore starting nodes from the state

To minimize the number of complex instance objects stored in the state
---
 pyiron_workflow/composite.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pyiron_workflow/composite.py b/pyiron_workflow/composite.py
index 6a08bbee..ee36ca2f 100644
--- a/pyiron_workflow/composite.py
+++ b/pyiron_workflow/composite.py
@@ -657,6 +657,11 @@ def __getstate__(self):
         state["node_labels"] = list(self.nodes.keys())
         for node in self:
             state[node.label] = node
+
+        # Also remove the starting node instances
+        del state["starting_nodes"]
+        state["starting_node_labels"] = [n.label for n in self.starting_nodes]
+
         return state
 
     def __setstate__(self, state):
@@ -677,6 +682,11 @@ def __setstate__(self, state):
             {label: state[label] for label in state.pop("node_labels")}
         )
 
+        # Restore starting nodes
+        state["starting_nodes"] = [
+            state[label] for label in state.pop("starting_node_labels")
+        ]
+
         super().__setstate__(state)
 
         # Nodes purge their _parent information in their __getstate__

From eb862b1741a6c5e9896d1b295644dcc3df3e9970 Mon Sep 17 00:00:00 2001
From: liamhuber <liamhuber@greyhavensolutions.com>
Date: Wed, 31 Jan 2024 09:25:19 -0800
Subject: [PATCH 2/3] Guarantee storage key availability

---
 pyiron_workflow/composite.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pyiron_workflow/composite.py b/pyiron_workflow/composite.py
index 6bbb732b..e21b8bed 100644
--- a/pyiron_workflow/composite.py
+++ b/pyiron_workflow/composite.py
@@ -641,6 +641,12 @@ def _child_signal_connections(
     def node_labels(self) -> tuple[str]:
         return (n.label for n in self)
 
+    @property
+    def _starting_node_labels(self):
+        # As a property so it appears in `__dir__` and thus is guaranteed to not
+        # conflict with a child node name in the state
+        return tuple(n.label for n in self.starting_nodes)
+
     def __getstate__(self):
         state = super().__getstate__()
         # Store connections as strings
@@ -668,7 +674,7 @@ def __getstate__(self):
 
         # Also remove the starting node instances
         del state["starting_nodes"]
-        state["starting_node_labels"] = [n.label for n in self.starting_nodes]
+        state["_starting_node_labels"] = self._starting_node_labels
 
         return state
 
@@ -692,7 +698,7 @@ def __setstate__(self, state):
 
         # Restore starting nodes
         state["starting_nodes"] = [
-            state[label] for label in state.pop("starting_node_labels")
+            state[label] for label in state.pop("_starting_node_labels")
         ]
 
         super().__setstate__(state)

From 48141ac76cfe90f30e39289785821098f1d866e0 Mon Sep 17 00:00:00 2001
From: liamhuber <liamhuber@greyhavensolutions.com>
Date: Wed, 31 Jan 2024 09:25:44 -0800
Subject: [PATCH 3/3] :bug: hotfix generator to tuple conversion

---
 pyiron_workflow/composite.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyiron_workflow/composite.py b/pyiron_workflow/composite.py
index e21b8bed..e63bc00b 100644
--- a/pyiron_workflow/composite.py
+++ b/pyiron_workflow/composite.py
@@ -639,7 +639,7 @@ def _child_signal_connections(
 
     @property
     def node_labels(self) -> tuple[str]:
-        return (n.label for n in self)
+        return tuple(n.label for n in self)
 
     @property
     def _starting_node_labels(self):