FEAT(net): add skip_evictions flag in configs

Author: ankostis

graphtik/network.py

@@ -83,7 +83,7 @@
 
 execution_configs: ContextVar[dict] = ContextVar(
     "execution_configs",
-    default={"thread_pool": Pool(7), "abort": False},
+    default={"thread_pool": Pool(7), "abort": False, "skip_evictions": False},
 )
 
 
@@ -103,6 +103,10 @@ def is_abort():
     return execution_configs.get()["abort"]
 
 
+def is_skip_evictions():
+    return execution_configs.get()["skip_evictions"]
+
+
 class _DataNode(str):
     """
     Dag node naming a data-value produced or required by an operation.
@@ -642,7 +646,7 @@ def add_step_once(step):
                 steps.append(node)
 
                 # NO EVICTIONS when no specific outputs asked.
-                if not outputs:
+                if not outputs or is_skip_evictions():
                     continue
 
                 # Add EVICT (1) for operation's needs.