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serve workflow templates from custom_nodes #6193

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serve workflow templates from custom_nodes #6193

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b6e3bc2
add GET /workflow_templates
bezo97 Dec 23, 2024
547eb21
serve workflow templates from custom_nodes
bezo97 Dec 23, 2024
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9 changes: 5 additions & 4 deletions folder_paths.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,10 +39,11 @@

folder_names_and_paths["classifiers"] = ([os.path.join(models_dir, "classifiers")], {""})

output_directory = os.path.join(os.path.dirname(os.path.realpath(__file__)), "output")
temp_directory = os.path.join(os.path.dirname(os.path.realpath(__file__)), "temp")
input_directory = os.path.join(os.path.dirname(os.path.realpath(__file__)), "input")
user_directory = os.path.join(os.path.dirname(os.path.realpath(__file__)), "user")
output_directory = os.path.join(base_path, "output")
temp_directory = os.path.join(base_path, "temp")
input_directory = os.path.join(base_path, "input")
user_directory = os.path.join(base_path, "user")
custom_nodes_directory = os.path.join(base_path, "custom_nodes")

filename_list_cache: dict[str, tuple[list[str], dict[str, float], float]] = {}

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5 changes: 5 additions & 0 deletions nodes.py
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Expand Up @@ -2033,6 +2033,9 @@ def expand_image(self, image, left, top, right, bottom, feathering):

EXTENSION_WEB_DIRS = {}

# Dictionary of successfully loaded module names and associated directories.
LOADED_MODULE_DIRS = {}


def get_module_name(module_path: str) -> str:
"""
Expand Down Expand Up @@ -2074,6 +2077,8 @@ def load_custom_node(module_path: str, ignore=set(), module_parent="custom_nodes
sys.modules[module_name] = module
module_spec.loader.exec_module(module)

LOADED_MODULE_DIRS[module_name] = os.path.abspath(module_dir)

if hasattr(module, "WEB_DIRECTORY") and getattr(module, "WEB_DIRECTORY") is not None:
web_dir = os.path.abspath(os.path.join(module_dir, getattr(module, "WEB_DIRECTORY")))
if os.path.isdir(web_dir):
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17 changes: 17 additions & 0 deletions server.py
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Expand Up @@ -250,6 +250,16 @@ async def get_extensions(request):
name) + "/" + os.path.relpath(f, dir).replace("\\", "/"), files)))

return web.json_response(extensions)

@routes.get("/workflow_templates")
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We do have a plan to eventually move ComfyUI-Manager's custom node management features to core. Can we move this endpoint to a separate file app/custom_node_manager.py?

async def get_workflow_templates(request):
files = glob.glob(os.path.join(folder_paths.custom_nodes_directory, '*/example_workflows/*.json'))
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I think you can just call folder_paths.get_folder_paths("custom_nodes") here instead of adding a new global variable in folder_paths.

workflow_templates_dict = {} # custom_nodes folder name -> example workflow names
for file in files:
custom_nodes_name = os.path.basename(os.path.dirname(os.path.dirname(file)))
workflow_name = os.path.splitext(os.path.basename(file))[0]
workflow_templates_dict.setdefault(custom_nodes_name, []).append(workflow_name)
return web.json_response(workflow_templates_dict)

def get_dir_by_type(dir_type):
if dir_type is None:
Expand Down Expand Up @@ -713,6 +723,13 @@ def add_routes(self):
self.app.add_routes(api_routes)
self.app.add_routes(self.routes)

# Add routes for workflow templates in custom nodes.
for module_name, module_dir in nodes.LOADED_MODULE_DIRS.items():
workflows_dir = os.path.join(module_dir, 'example_workflows')
if os.path.exists(workflows_dir):
self.app.add_routes([web.static('/workflow_templates/' + module_name, workflows_dir)])

# Add routes from web extensions.
for name, dir in nodes.EXTENSION_WEB_DIRS.items():
self.app.add_routes([web.static('/extensions/' + name, dir)])

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