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Code Issues Activity

[Bug #4529] Fix graph partial validation failure (#4588)

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Currently, if a graph partially fails validation (i.e. some outputs are
valid while others have links from missing nodes), the execution loop
could get an exception resulting in server lockup.

This isn't actually possible to reproduce via the default UI, but is a
potential issue for people using the API to construct invalid graphs.
This commit is contained in:
guill
2024-08-24 12:34:58 -07:00
committed by GitHub
parent 07dcbc3a3e
commit 6ab1e6fd4a
2 changed files with 30 additions and 2 deletions
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23
tests/inference/test_execution.py
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@@ -357,6 +357,25 @@ class TestExecution:
assert 'prompt_id' in e.args[0], f"Did not get back a proper error message: {e}"
assert e.args[0]['node_id'] == generator.id, "Error should have been on the generator node"
def test_missing_node_error(self, client: ComfyClient, builder: GraphBuilder):
g = builder
input1 = g.node("StubImage", content="BLACK", height=512, width=512, batch_size=1)
input2 = g.node("StubImage", id="removeme", content="WHITE", height=512, width=512, batch_size=1)
input3 = g.node("StubImage", content="WHITE", height=512, width=512, batch_size=1)
mask = g.node("StubMask", value=0.5, height=512, width=512, batch_size=1)
mix1 = g.node("TestLazyMixImages", image1=input1.out(0), image2=input2.out(0), mask=mask.out(0))
mix2 = g.node("TestLazyMixImages", image1=input1.out(0), image2=input3.out(0), mask=mask.out(0))
# We have multiple outputs. The first is invalid, but the second is valid
g.node("SaveImage", images=mix1.out(0))
g.node("SaveImage", images=mix2.out(0))
g.remove_node("removeme")
client.run(g)
# Add back in the missing node to make sure the error doesn't break the server
input2 = g.node("StubImage", id="removeme", content="WHITE", height=512, width=512, batch_size=1)
client.run(g)
def test_custom_is_changed(self, client: ComfyClient, builder: GraphBuilder):
g = builder
# Creating the nodes in this specific order previously caused a bug
@@ -450,8 +469,8 @@ class TestExecution:
g = builder
input1 = g.node("StubImage", content="BLACK", height=512, width=512, batch_size=1)
output1 = g.node("PreviewImage", images=input1.out(0))
output2 = g.node("PreviewImage", images=input1.out(0))
output1 = g.node("SaveImage", images=input1.out(0))
output2 = g.node("SaveImage", images=input1.out(0))
result = client.run(g)
images1 = result.get_images(output1)