apply lint, add missing file

api/onnx_web/chain/__init__.py

@@ -1,2 +1,2 @@
 from .pipeline import ChainPipeline, PipelineStage, StageParams
-from .stages import *
+from .stages import *  # NOQA

api/onnx_web/chain/base.py

@@ -1,11 +1,11 @@
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 
-from .result import StageResult
 from ..params import ImageParams, Size, SizeChart, StageParams
 from ..server.context import ServerContext
 from ..worker.context import WorkerContext
+from .result import StageResult
 
 
 class BaseStage:

api/onnx_web/chain/blend_denoise.py

@@ -1,8 +1,7 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 import cv2
-import numpy as np
 from PIL import Image
 
 from ..params import ImageParams, SizeChart, StageParams

api/onnx_web/chain/blend_grid.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 

api/onnx_web/chain/blend_img2img.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 import numpy as np
 import torch

api/onnx_web/chain/blend_linear.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 
@@ -28,4 +28,6 @@ class BlendLinearStage(BaseStage):
     ) -> StageResult:
         logger.info("blending source images using linear interpolation")
 
-        return StageResult(images=[Image.blend(source, stage_source, alpha) for source in sources])
+        return StageResult(
+            images=[Image.blend(source, stage_source, alpha) for source in sources]
+        )

api/onnx_web/chain/blend_mask.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 
@@ -38,4 +38,8 @@ class BlendMaskStage(BaseStage):
             save_image(server, "last-mask.png", stage_mask)
             save_image(server, "last-mult-mask.png", mult_mask)
 
-        return StageResult(images=[Image.composite(stage_source, source, mult_mask) for source in sources])
+        return StageResult(
+            images=[
+                Image.composite(stage_source, source, mult_mask) for source in sources
+            ]
+        )

api/onnx_web/chain/correct_codeformer.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 

api/onnx_web/chain/correct_gfpgan.py

@@ -1,8 +1,7 @@
 from logging import getLogger
 from os import path
-from typing import List, Optional
+from typing import Optional
 
-import numpy as np
 from PIL import Image
 
 from ..params import DeviceParams, ImageParams, StageParams, UpscaleParams
@@ -74,12 +73,15 @@ class CorrectGFPGANStage(BaseStage):
         device = worker.get_device()
         gfpgan = self.load(server, stage, upscale, device)
 
-        outputs = [gfpgan.enhance(
+        outputs = [
+            gfpgan.enhance(
                 source,
                 has_aligned=False,
                 only_center_face=False,
                 paste_back=True,
                 weight=upscale.face_strength,
-            ) for source in sources.as_numpy()]
+            )
+            for source in sources.as_numpy()
+        ]
 
         return StageResult(images=outputs)

api/onnx_web/chain/highres.py

@@ -1,11 +1,11 @@
 from logging import getLogger
 from typing import Optional
 
-from .pipeline import ChainPipeline
 from ..chain.blend_img2img import BlendImg2ImgStage
 from ..chain.upscale import stage_upscale_correction
 from ..chain.upscale_simple import UpscaleSimpleStage
 from ..params import HighresParams, ImageParams, StageParams, UpscaleParams
+from .pipeline import ChainPipeline
 
 logger = getLogger(__name__)
 

api/onnx_web/chain/persist_s3.py

@@ -1,6 +1,6 @@
 from io import BytesIO
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from boto3 import Session
 from PIL import Image

api/onnx_web/chain/pipeline.py

@@ -12,8 +12,8 @@ from ..server import ServerContext
 from ..utils import is_debug, run_gc
 from ..worker import ProgressCallback, WorkerContext
 from .base import BaseStage
-from .tile import needs_tile, process_tile_order
 from .result import StageResult
+from .tile import needs_tile, process_tile_order
 
 logger = getLogger(__name__)
 
@@ -76,7 +76,7 @@ class ChainPipeline:
         params: ImageParams,
         sources: StageResult,
         callback: Optional[ProgressCallback],
-        **kwargs
+        **kwargs,
     ) -> StageResult:
         result = self(
             worker, server, params, sources=sources, callback=callback, **kwargs
@@ -108,10 +108,10 @@ class ChainPipeline:
         params: ImageParams,
         sources: StageResult,
         callback: Optional[ProgressCallback] = None,
-        **pipeline_kwargs
+        **pipeline_kwargs,
     ) -> StageResult:
         """
-        DEPRECATED: use `run` instead
+        DEPRECATED: use `.run()` instead
         """
         if callback is None:
             callback = worker.get_progress_callback()

api/onnx_web/chain/reduce_crop.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 

api/onnx_web/chain/reduce_thumbnail.py

@@ -1,5 +1,4 @@
 from logging import getLogger
-from typing import List
 
 from PIL import Image
 

api/onnx_web/chain/result.py

@@ -1,7 +1,8 @@
-from PIL import Image
 from typing import List, Optional
 
 import numpy as np
+from PIL import Image
+
 
 class StageResult:
     """
@@ -10,6 +11,7 @@ class StageResult:
     This class intentionally does not provide `__iter__`, to ensure clients get results in the format
     they are expected.
     """
+
     arrays: Optional[List[np.ndarray]]
     images: Optional[List[Image.Image]]
 
@@ -38,4 +40,4 @@ class StageResult:
         if self.images is not None:
             return self.images
 
-    return [Image.fromarray(i, "RGB") for i in self.arrays]
+        return [Image.fromarray(np.uint8(i), "RGB") for i in self.arrays]

api/onnx_web/chain/source_noise.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import Callable, List, Optional
+from typing import Callable, Optional
 
 from PIL import Image
 

api/onnx_web/chain/source_txt2img.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional, Tuple
+from typing import Optional, Tuple
 
 import numpy as np
 import torch
@@ -132,7 +132,9 @@ class SourceTxt2ImgStage(BaseStage):
         else:
             # encode and record alternative prompts outside of LPW
             if params.is_panorama() or params.is_xl():
-                logger.debug("prompt alternatives are not supported for panorama or SDXL")
+                logger.debug(
+                    "prompt alternatives are not supported for panorama or SDXL"
+                )
             else:
                 prompt_embeds = encode_prompt(
                     pipe, prompt_pairs, params.batch, params.do_cfg()

api/onnx_web/chain/stages.py

@@ -2,8 +2,8 @@ from logging import getLogger
 
 from .base import BaseStage
 from .blend_denoise import BlendDenoiseStage
-from .blend_img2img import BlendImg2ImgStage
 from .blend_grid import BlendGridStage
+from .blend_img2img import BlendImg2ImgStage
 from .blend_linear import BlendLinearStage
 from .blend_mask import BlendMaskStage
 from .correct_codeformer import CorrectCodeformerStage

api/onnx_web/chain/upscale_bsrgan.py

@@ -1,6 +1,6 @@
 from logging import getLogger
 from os import path
-from typing import List, Optional
+from typing import Optional
 
 import numpy as np
 from PIL import Image

api/onnx_web/chain/upscale_highres.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 

api/onnx_web/chain/upscale_outpaint.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import Callable, List, Optional, Tuple
+from typing import Callable, Optional, Tuple
 
 import numpy as np
 import torch

api/onnx_web/chain/upscale_resrgan.py

@@ -1,8 +1,7 @@
 from logging import getLogger
 from os import path
-from typing import List, Optional
+from typing import Optional
 
-import numpy as np
 from PIL import Image
 
 from ..onnx import OnnxRRDBNet

api/onnx_web/chain/upscale_simple.py

@@ -1,5 +1,5 @@
 from logging import getLogger
-from typing import List, Optional
+from typing import Optional
 
 from PIL import Image
 

api/onnx_web/chain/upscale_stable_diffusion.py

@@ -1,6 +1,6 @@
 from logging import getLogger
 from os import path
-from typing import List, Optional
+from typing import Optional
 
 import torch
 from PIL import Image

api/onnx_web/chain/upscale_swinir.py

@@ -1,6 +1,6 @@
 from logging import getLogger
 from os import path
-from typing import List, Optional
+from typing import Optional
 
 import numpy as np
 from PIL import Image
@@ -80,12 +80,15 @@ class UpscaleSwinIRStage(BaseStage):
             logger.trace("SwinIR input shape: %s", image.shape)
 
             scale = upscale.outscale
-            logger.trace("SwinIR output shape: %s", (
+            logger.trace(
+                "SwinIR output shape: %s",
+                (
                     image.shape[0],
                     image.shape[1],
                     image.shape[2] * scale,
                     image.shape[3] * scale,
-                ))
+                ),
+            )
 
             output = swinir(image)
             output = np.clip(np.squeeze(output, axis=0), 0, 1)

api/onnx_web/convert/diffusion/diffusion_xl.py

@@ -81,7 +81,9 @@ def convert_diffusion_diffusers_xl(
         output=dest_path,
         task="stable-diffusion-xl",
         device=device,
-        fp16=conversion.has_optimization("torch-fp16"), # optimum's fp16 mode only works on CUDA or ROCm
+        fp16=conversion.has_optimization(
+            "torch-fp16"
+        ),  # optimum's fp16 mode only works on CUDA or ROCm
         framework="pt",
     )
 

api/onnx_web/diffusers/load.py

@@ -574,10 +574,9 @@ def optimize_pipeline(
     server: ServerContext,
     pipe: StableDiffusionPipeline,
 ) -> None:
-    if (
+    if server.has_optimization(
-        server.has_optimization("diffusers-attention-slicing")
+        "diffusers-attention-slicing"
-        or server.has_optimization("diffusers-attention-slicing-auto")
+    ) or server.has_optimization("diffusers-attention-slicing-auto"):
-    ):
         logger.debug("enabling auto attention slicing on SD pipeline")
         try:
             pipe.enable_attention_slicing(slice_size="auto")

api/onnx_web/diffusers/run.py

@@ -13,6 +13,7 @@ from ..chain import (
     UpscaleOutpaintStage,
 )
 from ..chain.highres import stage_highres
+from ..chain.result import StageResult
 from ..chain.upscale import split_upscale, stage_upscale_correction
 from ..image import expand_image
 from ..output import save_image

api/onnx_web/params.py

@@ -208,6 +208,7 @@ class ImageParams:
     unet_overlap: float
     vae_tile: int
     vae_overlap: float
+    denoise: int
 
     def __init__(
         self,
@@ -230,6 +231,7 @@ class ImageParams:
         unet_tile: int = 512,
         vae_overlap: float = 0.25,
         vae_tile: int = 512,
+        denoise: int = 3,
     ) -> None:
         self.model = model
         self.pipeline = pipeline
@@ -250,6 +252,7 @@ class ImageParams:
         self.unet_tile = unet_tile
         self.vae_overlap = vae_overlap
         self.vae_tile = vae_tile
+        self.denoise = denoise
 
     def do_cfg(self):
         return self.cfg > 1.0
@@ -320,6 +323,7 @@ class ImageParams:
             "unet_tile": self.unet_tile,
             "vae_overlap": self.vae_overlap,
             "vae_tile": self.vae_tile,
+            "denoise": self.denoise,
         }
 
     def with_args(self, **kwargs):
@@ -343,6 +347,7 @@ class ImageParams:
             kwargs.get("unet_tile", self.unet_tile),
             kwargs.get("vae_overlap", self.vae_overlap),
             kwargs.get("vae_tile", self.vae_tile),
+            kwargs.get("denoise", self.denoise),
         )
 
 

api/onnx_web/server/hacks.py

@@ -138,7 +138,9 @@ def apply_patch_basicsr(server: ServerContext):
         import basicsr.utils.download_util
 
         basicsr.utils.download_util.download_file_from_google_drive = patch_not_impl
-        basicsr.utils.download_util.load_file_from_url = partial(patch_cache_path, server)
+        basicsr.utils.download_util.load_file_from_url = partial(
+            patch_cache_path, server
+        )
     except ImportError:
         logger.info("unable to import basicsr utils for patching")
     except AttributeError:
@@ -151,7 +153,9 @@ def apply_patch_codeformer(server: ServerContext):
         import codeformer.facelib.utils.misc
 
         codeformer.facelib.utils.misc.download_pretrained_models = patch_not_impl
-        codeformer.facelib.utils.misc.load_file_from_url = partial(patch_cache_path, server)
+        codeformer.facelib.utils.misc.load_file_from_url = partial(
+            patch_cache_path, server
+        )
     except ImportError:
         logger.info("unable to import codeformer utils for patching")
     except AttributeError:

api/onnx_web/server/plugin.py

@@ -0,0 +1,61 @@
+from importlib import import_module
+from logging import getLogger
+from typing import Any, Callable, Dict
+
+from onnx_web.chain.stages import add_stage
+from onnx_web.diffusers.load import add_pipeline
+from onnx_web.server.context import ServerContext
+
+logger = getLogger(__name__)
+
+
+class PluginExports:
+    pipelines: Dict[str, Any]
+    stages: Dict[str, Any]
+
+    def __init__(self, pipelines=None, stages=None) -> None:
+        self.pipelines = pipelines or {}
+        self.stages = stages or {}
+
+
+PluginModule = Callable[[ServerContext], PluginExports]
+
+
+def load_plugins(server: ServerContext) -> PluginExports:
+    combined_exports = PluginExports()
+
+    for plugin in server.plugins:
+        logger.info("loading plugin module: %s", plugin)
+        try:
+            module: PluginModule = import_module(plugin)
+            exports = module(server)
+
+            for name, pipeline in exports.pipelines.items():
+                if name in combined_exports.pipelines:
+                    logger.warning(
+                        "multiple plugins exported a pipeline named %s", name
+                    )
+                else:
+                    combined_exports.pipelines[name] = pipeline
+
+            for name, stage in exports.stages.items():
+                if name in combined_exports.stages:
+                    logger.warning("multiple plugins exported a stage named %s", name)
+                else:
+                    combined_exports.stages[name] = stage
+        except Exception:
+            logger.exception("error importing plugin")
+
+    return combined_exports
+
+
+def register_plugins(exports: PluginExports) -> bool:
+    success = True
+
+    for name, pipeline in exports.pipelines.items():
+        success = success and add_pipeline(name, pipeline)
+
+    for name, stage in exports.stages.items():
+        success = success and add_stage(name, stage)
+
+    return success

api/tests/worker/test_worker.py

@@ -1,14 +1,22 @@
 import unittest
 from multiprocessing import Queue, Value
 from os import getpid
-from onnx_web.errors import RetryException
 
+from onnx_web.errors import RetryException
 from onnx_web.server.context import ServerContext
 from onnx_web.worker.command import JobCommand
 from onnx_web.worker.context import WorkerContext
-from onnx_web.worker.worker import EXIT_ERROR, EXIT_INTERRUPT, EXIT_MEMORY, EXIT_REPLACED, MEMORY_ERRORS, worker_main
+from onnx_web.worker.worker import (
+    EXIT_ERROR,
+    EXIT_INTERRUPT,
+    EXIT_MEMORY,
+    EXIT_REPLACED,
+    MEMORY_ERRORS,
+    worker_main,
+)
 from tests.helpers import test_device
 
+
 def main_memory(_worker):
   raise Exception(MEMORY_ERRORS[0])