feat(api-nodes): add price extractor feature; small fixes to Kling & Pika nodes (#10284)

comfy_api_nodes/apis/client.py

@@ -782,9 +782,11 @@ class PollingOperation(Generic[T, R]):
         poll_endpoint: ApiEndpoint[EmptyRequest, R],
         completed_statuses: list[str],
         failed_statuses: list[str],
+        *,
         status_extractor: Callable[[R], Optional[str]],
         progress_extractor: Callable[[R], Optional[float]] | None = None,
         result_url_extractor: Callable[[R], Optional[str]] | None = None,
+        price_extractor: Callable[[R], Optional[float]] | None = None,
         request: Optional[T] = None,
         api_base: str | None = None,
         auth_token: Optional[str] = None,
@@ -815,10 +817,12 @@ class PollingOperation(Generic[T, R]):
         self.status_extractor = status_extractor or (lambda x: getattr(x, "status", None))
         self.progress_extractor = progress_extractor
         self.result_url_extractor = result_url_extractor
+        self.price_extractor = price_extractor
         self.node_id = node_id
         self.completed_statuses = completed_statuses
         self.failed_statuses = failed_statuses
         self.final_response: Optional[R] = None
+        self.extracted_price: Optional[float] = None
 
     async def execute(self, client: Optional[ApiClient] = None) -> R:
         owns_client = client is None
@@ -840,6 +844,8 @@ class PollingOperation(Generic[T, R]):
     def _display_text_on_node(self, text: str):
         if not self.node_id:
             return
+        if self.extracted_price is not None:
+            text = f"Price: {self.extracted_price}$\n{text}"
         PromptServer.instance.send_progress_text(text, self.node_id)
 
     def _display_time_progress_on_node(self, time_completed: int | float):
@@ -877,9 +883,7 @@ class PollingOperation(Generic[T, R]):
             try:
                 logging.debug("[DEBUG] Polling attempt #%s", poll_count)
 
-                request_dict = (
-                    None if self.request is None else self.request.model_dump(exclude_none=True)
-                )
+                request_dict = None if self.request is None else self.request.model_dump(exclude_none=True)
 
                 if poll_count == 1:
                     logging.debug(
@@ -912,6 +916,11 @@ class PollingOperation(Generic[T, R]):
                     if new_progress is not None:
                         progress.update_absolute(new_progress, total=PROGRESS_BAR_MAX)
 
+                if self.price_extractor:
+                    price = self.price_extractor(response_obj)
+                    if price is not None:
+                        self.extracted_price = price
+
                 if status == TaskStatus.COMPLETED:
                     message = "Task completed successfully"
                     if self.result_url_extractor:

comfy_api_nodes/nodes_kling.py

@@ -73,6 +73,7 @@ from comfy_api_nodes.util.validation_utils import (
     validate_video_dimensions,
     validate_video_duration,
 )
+from comfy_api.input_impl import VideoFromFile
 from comfy_api.input.basic_types import AudioInput
 from comfy_api.input.video_types import VideoInput
 from comfy_api.latest import ComfyExtension, io as comfy_io
@@ -511,7 +512,7 @@ async def execute_video_effect(
     image_1: torch.Tensor,
     image_2: Optional[torch.Tensor] = None,
     model_mode: Optional[KlingVideoGenMode] = None,
-) -> comfy_io.NodeOutput:
+) -> tuple[VideoFromFile, str, str]:
     if dual_character:
         request_input_field = KlingDualCharacterEffectInput(
             model_name=model_name,
@@ -562,7 +563,7 @@ async def execute_video_effect(
     validate_video_result_response(final_response)
 
     video = get_video_from_response(final_response)
-    return comfy_io.NodeOutput(await download_url_to_video_output(str(video.url)), str(video.id), str(video.duration))
+    return await download_url_to_video_output(str(video.url)), str(video.id), str(video.duration)
 
 
 async def execute_lipsync(
@@ -1271,7 +1272,7 @@ class KlingDualCharacterVideoEffectNode(comfy_io.ComfyNode):
             image_1=image_left,
             image_2=image_right,
         )
-        return video, duration
+        return comfy_io.NodeOutput(video, duration)
 
 
 class KlingSingleImageVideoEffectNode(comfy_io.ComfyNode):
@@ -1320,7 +1321,9 @@ class KlingSingleImageVideoEffectNode(comfy_io.ComfyNode):
         model_name: KlingSingleImageEffectModelName,
         duration: KlingVideoGenDuration,
     ) -> comfy_io.NodeOutput:
-        return await execute_video_effect(
+        return comfy_io.NodeOutput(
+            *(
+                await execute_video_effect(
                     auth_kwargs={
                         "auth_token": cls.hidden.auth_token_comfy_org,
                         "comfy_api_key": cls.hidden.api_key_comfy_org,
@@ -1332,6 +1335,8 @@ class KlingSingleImageVideoEffectNode(comfy_io.ComfyNode):
                     duration=duration,
                     image_1=image,
                 )
+            )
+        )
 
 
 class KlingLipSyncAudioToVideoNode(comfy_io.ComfyNode):

comfy_api_nodes/nodes_pika.py

@@ -17,6 +17,7 @@ from comfy_api.input_impl.video_types import VideoCodec, VideoContainer, VideoIn
 from comfy_api_nodes.apinode_utils import (
     download_url_to_video_output,
     tensor_to_bytesio,
+    validate_string,
 )
 from comfy_api_nodes.apis import pika_defs
 from comfy_api_nodes.apis.client import (
@@ -590,6 +591,7 @@ class PikaStartEndFrameNode(comfy_io.ComfyNode):
         resolution: str,
         duration: int,
     ) -> comfy_io.NodeOutput:
+        validate_string(prompt_text, field_name="prompt_text", min_length=1)
         pika_files = [
             ("keyFrames", ("image_start.png", tensor_to_bytesio(image_start), "image/png")),
             ("keyFrames", ("image_end.png", tensor_to_bytesio(image_end), "image/png")),