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from comfy_execution.graph_utils import GraphBuilder, is_link
from comfy_execution.graph import ExecutionBlocker
from .tools import VariantSupport
NUM_FLOW_SOCKETS = 5
@VariantSupport()
class TestWhileLoopOpen:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
inputs = {
"required": {
"condition": ("BOOLEAN", {"default": True}),
},
"optional": {
},
}
for i in range(NUM_FLOW_SOCKETS):
inputs["optional"][f"initial_value{i}"] = ("*",)
return inputs
RETURN_TYPES = tuple(["FLOW_CONTROL"] + ["*"] * NUM_FLOW_SOCKETS)
RETURN_NAMES = tuple(["FLOW_CONTROL"] + [f"value{i}" for i in range(NUM_FLOW_SOCKETS)])
FUNCTION = "while_loop_open"
CATEGORY = "Testing/Flow"
def while_loop_open(self, condition, **kwargs):
values = []
for i in range(NUM_FLOW_SOCKETS):
values.append(kwargs.get(f"initial_value{i}", None))
return tuple(["stub"] + values)
@VariantSupport()
class TestWhileLoopClose:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
inputs = {
"required": {
"flow_control": ("FLOW_CONTROL", {"rawLink": True}),
"condition": ("BOOLEAN", {"forceInput": True}),
},
"optional": {
},
"hidden": {
"dynprompt": "DYNPROMPT",
"unique_id": "UNIQUE_ID",
}
}
for i in range(NUM_FLOW_SOCKETS):
inputs["optional"][f"initial_value{i}"] = ("*",)
return inputs
RETURN_TYPES = tuple(["*"] * NUM_FLOW_SOCKETS)
RETURN_NAMES = tuple([f"value{i}" for i in range(NUM_FLOW_SOCKETS)])
FUNCTION = "while_loop_close"
CATEGORY = "Testing/Flow"
def explore_dependencies(self, node_id, dynprompt, upstream):
node_info = dynprompt.get_node(node_id)
if "inputs" not in node_info:
return
for k, v in node_info["inputs"].items():
if is_link(v):
parent_id = v[0]
if parent_id not in upstream:
upstream[parent_id] = []
self.explore_dependencies(parent_id, dynprompt, upstream)
upstream[parent_id].append(node_id)
def collect_contained(self, node_id, upstream, contained):
if node_id not in upstream:
return
for child_id in upstream[node_id]:
if child_id not in contained:
contained[child_id] = True
self.collect_contained(child_id, upstream, contained)
def while_loop_close(self, flow_control, condition, dynprompt=None, unique_id=None, **kwargs):
assert dynprompt is not None
if not condition:
# We're done with the loop
values = []
for i in range(NUM_FLOW_SOCKETS):
values.append(kwargs.get(f"initial_value{i}", None))
return tuple(values)
# We want to loop
upstream = {}
# Get the list of all nodes between the open and close nodes
self.explore_dependencies(unique_id, dynprompt, upstream)
contained = {}
open_node = flow_control[0]
self.collect_contained(open_node, upstream, contained)
contained[unique_id] = True
contained[open_node] = True
# We'll use the default prefix, but to avoid having node names grow exponentially in size,
# we'll use "Recurse" for the name of the recursively-generated copy of this node.
graph = GraphBuilder()
for node_id in contained:
original_node = dynprompt.get_node(node_id)
node = graph.node(original_node["class_type"], "Recurse" if node_id == unique_id else node_id)
node.set_override_display_id(node_id)
for node_id in contained:
original_node = dynprompt.get_node(node_id)
node = graph.lookup_node("Recurse" if node_id == unique_id else node_id)
assert node is not None
for k, v in original_node["inputs"].items():
if is_link(v) and v[0] in contained:
parent = graph.lookup_node(v[0])
assert parent is not None
node.set_input(k, parent.out(v[1]))
else:
node.set_input(k, v)
new_open = graph.lookup_node(open_node)
assert new_open is not None
for i in range(NUM_FLOW_SOCKETS):
key = f"initial_value{i}"
new_open.set_input(key, kwargs.get(key, None))
my_clone = graph.lookup_node("Recurse")
assert my_clone is not None
result = map(lambda x: my_clone.out(x), range(NUM_FLOW_SOCKETS))
return {
"result": tuple(result),
"expand": graph.finalize(),
}
@VariantSupport()
class TestExecutionBlockerNode:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
inputs = {
"required": {
"input": ("*",),
"block": ("BOOLEAN",),
"verbose": ("BOOLEAN", {"default": False}),
},
}
return inputs
RETURN_TYPES = ("*",)
RETURN_NAMES = ("output",)
FUNCTION = "execution_blocker"
CATEGORY = "Testing/Flow"
def execution_blocker(self, input, block, verbose):
if block:
return (ExecutionBlocker("Blocked Execution" if verbose else None),)
return (input,)
FLOW_CONTROL_NODE_CLASS_MAPPINGS = {
"TestWhileLoopOpen": TestWhileLoopOpen,
"TestWhileLoopClose": TestWhileLoopClose,
"TestExecutionBlocker": TestExecutionBlockerNode,
}
FLOW_CONTROL_NODE_DISPLAY_NAME_MAPPINGS = {
"TestWhileLoopOpen": "While Loop Open",
"TestWhileLoopClose": "While Loop Close",
"TestExecutionBlocker": "Execution Blocker",
}
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