Merge branch 'AUTOMATIC1111:master' into kr-localization

1 files changed, 124 insertions, 0 deletions

diff --git a/modules/api/api.py b/modules/api/api.py
new file mode 100644
index 00000000..3caa83a4
--- /dev/null
+++ b/modules/api/api.py
@@ -0,0 +1,124 @@
+from modules.api.processing import StableDiffusionTxt2ImgProcessingAPI, StableDiffusionImg2ImgProcessingAPI
+from modules.processing import StableDiffusionProcessingTxt2Img, StableDiffusionProcessingImg2Img, process_images
+from modules.sd_samplers import all_samplers
+from modules.extras import run_pnginfo
+import modules.shared as shared
+import uvicorn
+from fastapi import Body, APIRouter, HTTPException
+from fastapi.responses import JSONResponse
+from pydantic import BaseModel, Field, Json
+import json
+import io
+import base64
+from PIL import Image
+
+sampler_to_index = lambda name: next(filter(lambda row: name.lower() == row[1].name.lower(), enumerate(all_samplers)), None)
+
+class TextToImageResponse(BaseModel):
+    images: list[str] = Field(default=None, title="Image", description="The generated image in base64 format.")
+    parameters: Json
+    info: Json
+
+class ImageToImageResponse(BaseModel):
+    images: list[str] = Field(default=None, title="Image", description="The generated image in base64 format.")
+    parameters: Json
+    info: Json
+
+
+class Api:
+    def __init__(self, app, queue_lock):
+        self.router = APIRouter()
+        self.app = app
+        self.queue_lock = queue_lock
+        self.app.add_api_route("/sdapi/v1/txt2img", self.text2imgapi, methods=["POST"])
+        self.app.add_api_route("/sdapi/v1/img2img", self.img2imgapi, methods=["POST"])
+
+    def __base64_to_image(self, base64_string):
+        # if has a comma, deal with prefix
+        if "," in base64_string:
+            base64_string = base64_string.split(",")[1]
+        imgdata = base64.b64decode(base64_string)
+        # convert base64 to PIL image
+        return Image.open(io.BytesIO(imgdata))
+
+    def text2imgapi(self, txt2imgreq: StableDiffusionTxt2ImgProcessingAPI):
+        sampler_index = sampler_to_index(txt2imgreq.sampler_index)
+        
+        if sampler_index is None:
+            raise HTTPException(status_code=404, detail="Sampler not found") 
+        
+        populate = txt2imgreq.copy(update={ # Override __init__ params
+            "sd_model": shared.sd_model, 
+            "sampler_index": sampler_index[0],
+            "do_not_save_samples": True,
+            "do_not_save_grid": True
+            }
+        )
+        p = StableDiffusionProcessingTxt2Img(**vars(populate))
+        # Override object param
+        with self.queue_lock:
+            processed = process_images(p)
+        
+        b64images = []
+        for i in processed.images:
+            buffer = io.BytesIO()
+            i.save(buffer, format="png")
+            b64images.append(base64.b64encode(buffer.getvalue()))
+
+        return TextToImageResponse(images=b64images, parameters=json.dumps(vars(txt2imgreq)), info=json.dumps(processed.info))
+        
+        
+
+    def img2imgapi(self, img2imgreq: StableDiffusionImg2ImgProcessingAPI):
+        sampler_index = sampler_to_index(img2imgreq.sampler_index)
+        
+        if sampler_index is None:
+            raise HTTPException(status_code=404, detail="Sampler not found") 
+
+
+        init_images = img2imgreq.init_images
+        if init_images is None:
+            raise HTTPException(status_code=404, detail="Init image not found") 
+
+        mask = img2imgreq.mask
+        if mask:
+            mask = self.__base64_to_image(mask)
+
+        
+        populate = img2imgreq.copy(update={ # Override __init__ params
+            "sd_model": shared.sd_model, 
+            "sampler_index": sampler_index[0],
+            "do_not_save_samples": True,
+            "do_not_save_grid": True, 
+            "mask": mask
+            }
+        )
+        p = StableDiffusionProcessingImg2Img(**vars(populate))
+
+        imgs = []
+        for img in init_images:
+            img = self.__base64_to_image(img)
+            imgs = [img] * p.batch_size
+
+        p.init_images = imgs
+        # Override object param
+        with self.queue_lock:
+            processed = process_images(p)
+        
+        b64images = []
+        for i in processed.images:
+            buffer = io.BytesIO()
+            i.save(buffer, format="png")
+            b64images.append(base64.b64encode(buffer.getvalue()))
+
+        return ImageToImageResponse(images=b64images, parameters=json.dumps(vars(img2imgreq)), info=json.dumps(processed.info))
+
+    def extrasapi(self):
+        raise NotImplementedError
+
+    def pnginfoapi(self):
+        raise NotImplementedError
+
+    def launch(self, server_name, port):
+        self.app.include_router(self.router)
+        uvicorn.run(self.app, host=server_name, port=port)