Add support for API Nodes in ComfyUI. (#7726)

* Add Ideogram generate node.

* Add staging api.

* COMFY_API_NODE_NAME node property

* switch to boolean flag and use original node name for id

* add optional to type

* Add API_NODE and common error for missing auth token (#5)

* Add Minimax Video Generation + Async Task queue polling example (#6)

* [Minimax] Show video preview and embed workflow in ouput (#7)

* [API Nodes] Send empty request body instead of empty dictionary. (#8)

* Fixed: removed function from rebase.

* Add pydantic.

* Remove uv.lock

* Remove polling operations.

* Update stubs workflow.

* Remove polling comments.

* Update stubs.

* Use pydantic v2.

* Use pydantic v2.

* Add basic OpenAITextToImage node

* Add.

* convert image to tensor.

* Improve types.

* Ruff.

* Push tests.

* Handle multi-form data.

- Don't set content-type for multi-part/form
- Use data field instead of JSON

* Change to api.comfy.org

* Handle error code 409.

* separate out nodes per openai model

* Update error message.

* fix wrong output type

* re-categorize nodes, remove ideogram (for now)

* oops, fix mappings

* fix ruff

* Update frontend  to 1.17.9

* embargo lift rename nodes

* remove unused autogenerated model code

* fix API type error and add b64 support for 4o

* fix ruff

* oops forgot mask scaling code

* Remove unused types.

---------

Co-authored-by: bymyself <cbyrne@comfy.org>
Co-authored-by: Yoland Y <4950057+yoland68@users.noreply.github.com>
Co-authored-by: thot-experiment <thot@thiic.cc>

nodes.py

@@ -2260,11 +2260,20 @@ def init_builtin_extra_nodes():
         "nodes_fresca.py",
     ]
 
+    api_nodes_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "comfy_api_nodes")
+    api_nodes_files = [
+        "nodes_api.py",
+    ]
+
     import_failed = []
     for node_file in extras_files:
         if not load_custom_node(os.path.join(extras_dir, node_file), module_parent="comfy_extras"):
             import_failed.append(node_file)
 
+    for node_file in api_nodes_files:
+        if not load_custom_node(os.path.join(api_nodes_dir, node_file), module_parent="comfy_api_nodes"):
+            import_failed.append(node_file)
+
     return import_failed