Final REST API Fixes (#1590)

* fixed outpaint api and added tests

* fixed text2img api

* more elegant generator to subscriptable conversion

* final fixes

apps/stable_diffusion/web/index.py

@@ -44,6 +44,7 @@ def launch_app(address):
             img2img_api,
             upscaler_api,
             inpaint_api,
+            outpaint_api,
         )
         from fastapi import FastAPI, APIRouter
         import uvicorn
@@ -55,9 +56,7 @@ def launch_app(address):
         app.add_api_route("/sdapi/v1/txt2img", txt2img_api, methods=["post"])
         app.add_api_route("/sdapi/v1/img2img", img2img_api, methods=["post"])
         app.add_api_route("/sdapi/v1/inpaint", inpaint_api, methods=["post"])
-        #  app.add_api_route(
-        #      "/sdapi/v1/outpaint", outpaint_api, methods=["post"]
-        #  )
+        app.add_api_route("/sdapi/v1/outpaint", outpaint_api, methods=["post"])
         app.add_api_route("/sdapi/v1/upscaler", upscaler_api, methods=["post"])
         app.include_router(APIRouter())
         uvicorn.run(app, host="127.0.0.1", port=args.server_port)

apps/stable_diffusion/web/ui/img2img_ui.py

@@ -342,7 +342,7 @@ def img2img_api(
     )
 
     # Converts generator type to subscriptable
-    res = list(res)[0]
+    res = next(res)
 
     return {
         "images": encode_pil_to_base64(res[0]),

apps/stable_diffusion/web/ui/outpaint_ui.py

@@ -287,7 +287,7 @@ def outpaint_api(
         custom_model="None",
         hf_model_id=InputData["hf_model_id"]
         if "hf_model_id" in InputData.keys()
-        else "stabilityai/stable-diffusion-2-1-base",
+        else "stabilityai/stable-diffusion-2-inpainting",
         custom_vae="None",
         precision="fp16",
         device=available_devices[0],
@@ -298,6 +298,10 @@ def outpaint_api(
         lora_hf_id="",
         ondemand=False,
     )
+
+    # Convert Generator to Subscriptable
+    res = next(res)
+
     return {
         "images": encode_pil_to_base64(res[0]),
         "parameters": {},

apps/stable_diffusion/web/ui/txt2img_ui.py

@@ -265,6 +265,10 @@ def txt2img_api(
         lora_hf_id="",
         ondemand=False,
     )
+
+    # Convert Generator to Subscriptable
+    res = next(res)
+
     return {
         "images": encode_pil_to_base64(res[0]),
         "parameters": {},

apps/stable_diffusion/web/ui/upscaler_ui.py

@@ -300,7 +300,7 @@ def upscaler_api(
         ondemand=False,
     )
     # Converts generator type to subscriptable
-    res = list(res)[0]
+    res = next(res)
 
     return {
         "images": encode_pil_to_base64(res[0]),

rest_api_tests/api_test.py

@@ -89,10 +89,9 @@ def img2img_test():
 
     print(f"response from server was : {res.status_code}")
 
-    print("Extracting response object")
-
     # NOTE Uncomment below to save the picture
 
+    # print("Extracting response object")
     # response_obj = res.json()
     # img_b64 = response_obj.get("images", [False])[0] or response_obj.get(
     #     "image"
@@ -154,7 +153,91 @@ def inpainting_test():
     print(f"[Inpainting] response from server was : {res.status_code}")
 
 
+def outpainting_test():
+    prompt = "Paint a rabbit riding on the dog"
+    negative_prompt = "ugly, bad art, poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, deformed, body out of frame, blurry, bad anatomy, blurred, watermark, grainy, tiling, signature, cut off, draft"
+    seed = 2121991605
+    height = 512
+    width = 512
+    steps = 50
+    cfg_scale = 7
+    color_variation = 0.2
+    noise_q = 0.2
+    directions = ["up", "down", "right", "left"]
+    pixels = 32
+    mask_blur = 64
+    image_path = r"./rest_api_tests/dog.png"
+
+    # Converting Image to Base64
+    img_file = open(image_path, "rb")
+    init_images = [
+        "data:image/png;base64," + base64.b64encode(img_file.read()).decode()
+    ]
+
+    url = "http://127.0.0.1:8080/sdapi/v1/outpaint"
+
+    headers = {
+        "User-Agent": "PythonTest",
+        "Accept": "*/*",
+        "Accept-Encoding": "gzip, deflate, br",
+    }
+
+    data = {
+        "prompt": prompt,
+        "negative_prompt": negative_prompt,
+        "seed": seed,
+        "height": height,
+        "width": width,
+        "steps": steps,
+        "cfg_scale": cfg_scale,
+        "color_variation": color_variation,
+        "noise_q": noise_q,
+        "directions": directions,
+        "pixels": pixels,
+        "mask_blur": mask_blur,
+        "init_images": init_images,
+    }
+
+    res = requests.post(url=url, json=data, headers=headers, timeout=1000)
+
+    print(f"[Outpaint] response from server was : {res.status_code}")
+
+
+def txt2img_test():
+    prompt = "Paint a rabbit in a top hate"
+    negative_prompt = "ugly, bad art, poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, deformed, body out of frame, blurry, bad anatomy, blurred, watermark, grainy, tiling, signature, cut off, draft"
+    seed = 2121991605
+    height = 512
+    width = 512
+    steps = 50
+    cfg_scale = 7
+
+    url = "http://127.0.0.1:8080/sdapi/v1/txt2img"
+
+    headers = {
+        "User-Agent": "PythonTest",
+        "Accept": "*/*",
+        "Accept-Encoding": "gzip, deflate, br",
+    }
+
+    data = {
+        "prompt": prompt,
+        "negative_prompt": negative_prompt,
+        "seed": seed,
+        "height": height,
+        "width": width,
+        "steps": steps,
+        "cfg_scale": cfg_scale,
+    }
+
+    res = requests.post(url=url, json=data, headers=headers, timeout=1000)
+
+    print(f"[txt2img] response from server was : {res.status_code}")
+
+
 if __name__ == "__main__":
+    txt2img_test()
     img2img_test()
     upscaler_test()
     inpainting_test()
+    outpainting_test()