Spaces:
Running
on
Zero
Running
on
Zero
File size: 2,452 Bytes
5b29993 |
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def inject(assembler, chain_definition, chain_items):
if not chain_items:
return
ksampler_name = chain_definition.get('ksampler_node', 'ksampler')
if ksampler_name not in assembler.node_map:
print(f"Warning: Target node '{ksampler_name}' for ControlNet chain not found. Skipping chain injection.")
return
ksampler_id = assembler.node_map[ksampler_name]
if 'positive' not in assembler.workflow[ksampler_id]['inputs'] or \
'negative' not in assembler.workflow[ksampler_id]['inputs']:
print(f"Warning: KSampler node '{ksampler_name}' is missing 'positive' or 'negative' inputs. Skipping ControlNet chain.")
return
current_positive_connection = assembler.workflow[ksampler_id]['inputs']['positive']
current_negative_connection = assembler.workflow[ksampler_id]['inputs']['negative']
for item_data in chain_items:
cn_loader_id = assembler._get_unique_id()
cn_loader_node = assembler._get_node_template("ControlNetLoader")
cn_loader_node['inputs']['control_net_name'] = item_data['control_net_name']
assembler.workflow[cn_loader_id] = cn_loader_node
image_loader_id = assembler._get_unique_id()
image_loader_node = assembler._get_node_template("LoadImage")
image_loader_node['inputs']['image'] = item_data['image']
assembler.workflow[image_loader_id] = image_loader_node
apply_cn_id = assembler._get_unique_id()
apply_cn_node = assembler._get_node_template(chain_definition['template'])
apply_cn_node['inputs']['strength'] = item_data['strength']
apply_cn_node['inputs']['positive'] = current_positive_connection
apply_cn_node['inputs']['negative'] = current_negative_connection
apply_cn_node['inputs']['control_net'] = [cn_loader_id, 0]
apply_cn_node['inputs']['image'] = [image_loader_id, 0]
assembler.workflow[apply_cn_id] = apply_cn_node
current_positive_connection = [apply_cn_id, 0]
current_negative_connection = [apply_cn_id, 1]
assembler.workflow[ksampler_id]['inputs']['positive'] = current_positive_connection
assembler.workflow[ksampler_id]['inputs']['negative'] = current_negative_connection
print(f"ControlNet injector applied. KSampler inputs redirected through {len(chain_items)} ControlNet nodes.") |