refactor: validation

src/usecase/_clip_text_encode_usecase.py

@@ -13,15 +13,11 @@ class ClipTextEncodeUsecase:
     def execute(
         self, tokenizer: CLIPTokenizer, text_encoder: CLIPTextModel, path: str, text: str
     ) -> Conditioning:
-        if not text:
-            raise ValueError("Text input is empty.")
-        if path is None:
-            raise ValueError("Clip path is None.")
-        if tokenizer is None or text_encoder is None:
-            raise ValueError("Tokenizer or Text Encoder is None.")
-        if not isinstance(text, str):
-            raise TypeError("Text input must be a string.")
+        if not text.strip():
+            raise ValueError("Text input is empty or whitespace only.")
+
         embeddings = self.text_encoder_repo.encode(tokenizer, text_encoder, text)
         if embeddings is None:
             raise RuntimeError("Failed to generate embeddings.")
+
         return Conditioning(conditioning=embeddings, path=path)

src/usecase/_pipeline_usecase.py

@@ -29,4 +29,5 @@ class PipelineUsecase:
             text_encoder=pipe.text_encoder,  # type: ignore[attr-defined]
             path=checkpoint_path,
         )
+
         return pipeline, clip

src/usecase/_sampler_usecase.py

@@ -22,22 +22,14 @@ class SamplerUsecase:
         cfg: float,
         seed: int,
     ) -> list[Image]:
-        if pipeline is None:
-            raise ValueError("Pipeline is None.")
-        if vae is None:
-            raise ValueError("VAE is None.")
-        if scheduler is None:
-            raise ValueError("Scheduler is None.")
-        if positive_embeds is None or negative_embeds is None:
-            raise ValueError("Conditioning embeddings are None.")
         if width <= 0 or height <= 0:
-            raise ValueError("Width and Height must be positive integers.")
+            raise ValueError(f"Invalid dimensions: {width}x{height}")
         if steps <= 0:
-            raise ValueError("Steps must be a positive integer.")
+            raise ValueError(f"Steps must be positive: {steps}")
         if cfg < 0.0:
-            raise ValueError("CFG must be a non-negative float.")
+            raise ValueError(f"CFG must be non-negative: {cfg}")
         if seed < 0:
-            raise ValueError("Seed must be a non-negative integer.")
+            raise ValueError(f"Seed must be non-negative: {seed}")
 
         images = self.sampler_repo.sample(
             pipeline.pipeline,
@@ -54,4 +46,5 @@ class SamplerUsecase:
         if images is None:
             raise RuntimeError("Sampler repository returned no images.")
         images_domain: list[Image] = [Image(image=img) for img in images]
+
         return images_domain

src/usecase/_scheduler_usecase.py

@@ -15,7 +15,9 @@ class SchedulerUsecase:
             raise ValueError("Pipeline is None.")
         if not pipeline.path:
             raise ValueError("Invalid pipeline to create scheduler.")
+
         scheduler_obj: SchedulerMixin = self.scheduler_repo.create_scheduler(
             pipeline.path, self.dtype, scheduler_type
         )
+
         return Scheduler(scheduler=scheduler_obj, path=pipeline.path)