mirror of
https://github.com/open-webui/open-webui
synced 2024-11-26 05:51:12 +00:00
538 lines
17 KiB
Python
538 lines
17 KiB
Python
from fastapi import (
|
|
FastAPI,
|
|
Request,
|
|
Depends,
|
|
HTTPException,
|
|
)
|
|
from fastapi.middleware.cors import CORSMiddleware
|
|
from typing import Optional
|
|
from pydantic import BaseModel
|
|
from pathlib import Path
|
|
import mimetypes
|
|
import uuid
|
|
import base64
|
|
import json
|
|
import logging
|
|
import re
|
|
import requests
|
|
|
|
from utils.utils import (
|
|
get_verified_user,
|
|
get_admin_user,
|
|
)
|
|
|
|
from apps.images.utils.comfyui import (
|
|
ComfyUIWorkflow,
|
|
ComfyUIGenerateImageForm,
|
|
comfyui_generate_image,
|
|
)
|
|
|
|
from constants import ERROR_MESSAGES
|
|
from config import (
|
|
SRC_LOG_LEVELS,
|
|
CACHE_DIR,
|
|
IMAGE_GENERATION_ENGINE,
|
|
ENABLE_IMAGE_GENERATION,
|
|
AUTOMATIC1111_BASE_URL,
|
|
AUTOMATIC1111_API_AUTH,
|
|
COMFYUI_BASE_URL,
|
|
COMFYUI_WORKFLOW,
|
|
COMFYUI_WORKFLOW_NODES,
|
|
IMAGES_OPENAI_API_BASE_URL,
|
|
IMAGES_OPENAI_API_KEY,
|
|
IMAGE_GENERATION_MODEL,
|
|
IMAGE_SIZE,
|
|
IMAGE_STEPS,
|
|
CORS_ALLOW_ORIGIN,
|
|
AppConfig,
|
|
)
|
|
|
|
log = logging.getLogger(__name__)
|
|
log.setLevel(SRC_LOG_LEVELS["IMAGES"])
|
|
|
|
IMAGE_CACHE_DIR = Path(CACHE_DIR).joinpath("./image/generations/")
|
|
IMAGE_CACHE_DIR.mkdir(parents=True, exist_ok=True)
|
|
|
|
app = FastAPI()
|
|
app.add_middleware(
|
|
CORSMiddleware,
|
|
allow_origins=CORS_ALLOW_ORIGIN,
|
|
allow_credentials=True,
|
|
allow_methods=["*"],
|
|
allow_headers=["*"],
|
|
)
|
|
|
|
app.state.config = AppConfig()
|
|
|
|
app.state.config.ENGINE = IMAGE_GENERATION_ENGINE
|
|
app.state.config.ENABLED = ENABLE_IMAGE_GENERATION
|
|
|
|
app.state.config.OPENAI_API_BASE_URL = IMAGES_OPENAI_API_BASE_URL
|
|
app.state.config.OPENAI_API_KEY = IMAGES_OPENAI_API_KEY
|
|
|
|
app.state.config.MODEL = IMAGE_GENERATION_MODEL
|
|
|
|
app.state.config.AUTOMATIC1111_BASE_URL = AUTOMATIC1111_BASE_URL
|
|
app.state.config.AUTOMATIC1111_API_AUTH = AUTOMATIC1111_API_AUTH
|
|
app.state.config.COMFYUI_BASE_URL = COMFYUI_BASE_URL
|
|
app.state.config.COMFYUI_WORKFLOW = COMFYUI_WORKFLOW
|
|
app.state.config.COMFYUI_WORKFLOW_NODES = COMFYUI_WORKFLOW_NODES
|
|
|
|
app.state.config.IMAGE_SIZE = IMAGE_SIZE
|
|
app.state.config.IMAGE_STEPS = IMAGE_STEPS
|
|
|
|
|
|
@app.get("/config")
|
|
async def get_config(request: Request, user=Depends(get_admin_user)):
|
|
return {
|
|
"enabled": app.state.config.ENABLED,
|
|
"engine": app.state.config.ENGINE,
|
|
"openai": {
|
|
"OPENAI_API_BASE_URL": app.state.config.OPENAI_API_BASE_URL,
|
|
"OPENAI_API_KEY": app.state.config.OPENAI_API_KEY,
|
|
},
|
|
"automatic1111": {
|
|
"AUTOMATIC1111_BASE_URL": app.state.config.AUTOMATIC1111_BASE_URL,
|
|
"AUTOMATIC1111_API_AUTH": app.state.config.AUTOMATIC1111_API_AUTH,
|
|
},
|
|
"comfyui": {
|
|
"COMFYUI_BASE_URL": app.state.config.COMFYUI_BASE_URL,
|
|
"COMFYUI_WORKFLOW": app.state.config.COMFYUI_WORKFLOW,
|
|
"COMFYUI_WORKFLOW_NODES": app.state.config.COMFYUI_WORKFLOW_NODES,
|
|
},
|
|
}
|
|
|
|
|
|
class OpenAIConfigForm(BaseModel):
|
|
OPENAI_API_BASE_URL: str
|
|
OPENAI_API_KEY: str
|
|
|
|
|
|
class Automatic1111ConfigForm(BaseModel):
|
|
AUTOMATIC1111_BASE_URL: str
|
|
AUTOMATIC1111_API_AUTH: str
|
|
|
|
|
|
class ComfyUIConfigForm(BaseModel):
|
|
COMFYUI_BASE_URL: str
|
|
COMFYUI_WORKFLOW: str
|
|
COMFYUI_WORKFLOW_NODES: list[dict]
|
|
|
|
|
|
class ConfigForm(BaseModel):
|
|
enabled: bool
|
|
engine: str
|
|
openai: OpenAIConfigForm
|
|
automatic1111: Automatic1111ConfigForm
|
|
comfyui: ComfyUIConfigForm
|
|
|
|
|
|
@app.post("/config/update")
|
|
async def update_config(form_data: ConfigForm, user=Depends(get_admin_user)):
|
|
app.state.config.ENGINE = form_data.engine
|
|
app.state.config.ENABLED = form_data.enabled
|
|
|
|
app.state.config.OPENAI_API_BASE_URL = form_data.openai.OPENAI_API_BASE_URL
|
|
app.state.config.OPENAI_API_KEY = form_data.openai.OPENAI_API_KEY
|
|
|
|
app.state.config.AUTOMATIC1111_BASE_URL = (
|
|
form_data.automatic1111.AUTOMATIC1111_BASE_URL
|
|
)
|
|
app.state.config.AUTOMATIC1111_API_AUTH = (
|
|
form_data.automatic1111.AUTOMATIC1111_API_AUTH
|
|
)
|
|
|
|
app.state.config.COMFYUI_BASE_URL = form_data.comfyui.COMFYUI_BASE_URL
|
|
app.state.config.COMFYUI_WORKFLOW = form_data.comfyui.COMFYUI_WORKFLOW
|
|
app.state.config.COMFYUI_WORKFLOW_NODES = form_data.comfyui.COMFYUI_WORKFLOW_NODES
|
|
|
|
return {
|
|
"enabled": app.state.config.ENABLED,
|
|
"engine": app.state.config.ENGINE,
|
|
"openai": {
|
|
"OPENAI_API_BASE_URL": app.state.config.OPENAI_API_BASE_URL,
|
|
"OPENAI_API_KEY": app.state.config.OPENAI_API_KEY,
|
|
},
|
|
"automatic1111": {
|
|
"AUTOMATIC1111_BASE_URL": app.state.config.AUTOMATIC1111_BASE_URL,
|
|
"AUTOMATIC1111_API_AUTH": app.state.config.AUTOMATIC1111_API_AUTH,
|
|
},
|
|
"comfyui": {
|
|
"COMFYUI_BASE_URL": app.state.config.COMFYUI_BASE_URL,
|
|
"COMFYUI_WORKFLOW": app.state.config.COMFYUI_WORKFLOW,
|
|
"COMFYUI_WORKFLOW_NODES": app.state.config.COMFYUI_WORKFLOW_NODES,
|
|
},
|
|
}
|
|
|
|
|
|
def get_automatic1111_api_auth():
|
|
if app.state.config.AUTOMATIC1111_API_AUTH is None:
|
|
return ""
|
|
else:
|
|
auth1111_byte_string = app.state.config.AUTOMATIC1111_API_AUTH.encode("utf-8")
|
|
auth1111_base64_encoded_bytes = base64.b64encode(auth1111_byte_string)
|
|
auth1111_base64_encoded_string = auth1111_base64_encoded_bytes.decode("utf-8")
|
|
return f"Basic {auth1111_base64_encoded_string}"
|
|
|
|
|
|
def set_image_model(model: str):
|
|
app.state.config.MODEL = model
|
|
if app.state.config.ENGINE in ["", "automatic1111"]:
|
|
api_auth = get_automatic1111_api_auth()
|
|
r = requests.get(
|
|
url=f"{app.state.config.AUTOMATIC1111_BASE_URL}/sdapi/v1/options",
|
|
headers={"authorization": api_auth},
|
|
)
|
|
options = r.json()
|
|
if model != options["sd_model_checkpoint"]:
|
|
options["sd_model_checkpoint"] = model
|
|
r = requests.post(
|
|
url=f"{app.state.config.AUTOMATIC1111_BASE_URL}/sdapi/v1/options",
|
|
json=options,
|
|
headers={"authorization": api_auth},
|
|
)
|
|
return app.state.config.MODEL
|
|
|
|
|
|
def get_image_model():
|
|
if app.state.config.ENGINE == "openai":
|
|
return app.state.config.MODEL if app.state.config.MODEL else "dall-e-2"
|
|
elif app.state.config.ENGINE == "comfyui":
|
|
return app.state.config.MODEL if app.state.config.MODEL else ""
|
|
elif app.state.config.ENGINE == "automatic1111" or app.state.config.ENGINE == "":
|
|
try:
|
|
r = requests.get(
|
|
url=f"{app.state.config.AUTOMATIC1111_BASE_URL}/sdapi/v1/options",
|
|
headers={"authorization": get_automatic1111_api_auth()},
|
|
)
|
|
options = r.json()
|
|
return options["sd_model_checkpoint"]
|
|
except Exception as e:
|
|
app.state.config.ENABLED = False
|
|
raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
|
|
|
|
|
|
class ImageConfigForm(BaseModel):
|
|
MODEL: str
|
|
IMAGE_SIZE: str
|
|
IMAGE_STEPS: int
|
|
|
|
|
|
@app.get("/image/config")
|
|
async def get_image_config(user=Depends(get_admin_user)):
|
|
return {
|
|
"MODEL": app.state.config.MODEL,
|
|
"IMAGE_SIZE": app.state.config.IMAGE_SIZE,
|
|
"IMAGE_STEPS": app.state.config.IMAGE_STEPS,
|
|
}
|
|
|
|
|
|
@app.post("/image/config/update")
|
|
async def update_image_config(form_data: ImageConfigForm, user=Depends(get_admin_user)):
|
|
app.state.config.MODEL = form_data.MODEL
|
|
|
|
pattern = r"^\d+x\d+$"
|
|
if re.match(pattern, form_data.IMAGE_SIZE):
|
|
app.state.config.IMAGE_SIZE = form_data.IMAGE_SIZE
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.INCORRECT_FORMAT(" (e.g., 512x512)."),
|
|
)
|
|
|
|
if form_data.IMAGE_STEPS >= 0:
|
|
app.state.config.IMAGE_STEPS = form_data.IMAGE_STEPS
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.INCORRECT_FORMAT(" (e.g., 50)."),
|
|
)
|
|
|
|
return {
|
|
"MODEL": app.state.config.MODEL,
|
|
"IMAGE_SIZE": app.state.config.IMAGE_SIZE,
|
|
"IMAGE_STEPS": app.state.config.IMAGE_STEPS,
|
|
}
|
|
|
|
|
|
@app.get("/models")
|
|
def get_models(user=Depends(get_verified_user)):
|
|
try:
|
|
if app.state.config.ENGINE == "openai":
|
|
return [
|
|
{"id": "dall-e-2", "name": "DALL·E 2"},
|
|
{"id": "dall-e-3", "name": "DALL·E 3"},
|
|
]
|
|
elif app.state.config.ENGINE == "comfyui":
|
|
# TODO - get models from comfyui
|
|
r = requests.get(url=f"{app.state.config.COMFYUI_BASE_URL}/object_info")
|
|
info = r.json()
|
|
|
|
workflow = json.loads(app.state.config.COMFYUI_WORKFLOW)
|
|
model_node_id = None
|
|
|
|
for node in app.state.config.COMFYUI_WORKFLOW_NODES:
|
|
if node["type"] == "model":
|
|
model_node_id = node["node_ids"][0]
|
|
break
|
|
|
|
if model_node_id:
|
|
model_list_key = None
|
|
|
|
print(workflow[model_node_id]["class_type"])
|
|
for key in info[workflow[model_node_id]["class_type"]]["input"][
|
|
"required"
|
|
]:
|
|
if "_name" in key:
|
|
model_list_key = key
|
|
break
|
|
|
|
if model_list_key:
|
|
return list(
|
|
map(
|
|
lambda model: {"id": model, "name": model},
|
|
info[workflow[model_node_id]["class_type"]]["input"][
|
|
"required"
|
|
][model_list_key][0],
|
|
)
|
|
)
|
|
else:
|
|
return list(
|
|
map(
|
|
lambda model: {"id": model, "name": model},
|
|
info["CheckpointLoaderSimple"]["input"]["required"][
|
|
"ckpt_name"
|
|
][0],
|
|
)
|
|
)
|
|
elif (
|
|
app.state.config.ENGINE == "automatic1111" or app.state.config.ENGINE == ""
|
|
):
|
|
r = requests.get(
|
|
url=f"{app.state.config.AUTOMATIC1111_BASE_URL}/sdapi/v1/sd-models",
|
|
headers={"authorization": get_automatic1111_api_auth()},
|
|
)
|
|
models = r.json()
|
|
return list(
|
|
map(
|
|
lambda model: {"id": model["title"], "name": model["model_name"]},
|
|
models,
|
|
)
|
|
)
|
|
except Exception as e:
|
|
app.state.config.ENABLED = False
|
|
raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
|
|
|
|
|
|
class GenerateImageForm(BaseModel):
|
|
model: Optional[str] = None
|
|
prompt: str
|
|
size: Optional[str] = None
|
|
n: int = 1
|
|
negative_prompt: Optional[str] = None
|
|
|
|
|
|
def save_b64_image(b64_str):
|
|
try:
|
|
image_id = str(uuid.uuid4())
|
|
|
|
if "," in b64_str:
|
|
header, encoded = b64_str.split(",", 1)
|
|
mime_type = header.split(";")[0]
|
|
|
|
img_data = base64.b64decode(encoded)
|
|
image_format = mimetypes.guess_extension(mime_type)
|
|
|
|
image_filename = f"{image_id}{image_format}"
|
|
file_path = IMAGE_CACHE_DIR / f"{image_filename}"
|
|
with open(file_path, "wb") as f:
|
|
f.write(img_data)
|
|
return image_filename
|
|
else:
|
|
image_filename = f"{image_id}.png"
|
|
file_path = IMAGE_CACHE_DIR.joinpath(image_filename)
|
|
|
|
img_data = base64.b64decode(b64_str)
|
|
|
|
# Write the image data to a file
|
|
with open(file_path, "wb") as f:
|
|
f.write(img_data)
|
|
return image_filename
|
|
|
|
except Exception as e:
|
|
log.exception(f"Error saving image: {e}")
|
|
return None
|
|
|
|
|
|
def save_url_image(url):
|
|
image_id = str(uuid.uuid4())
|
|
try:
|
|
r = requests.get(url)
|
|
r.raise_for_status()
|
|
if r.headers["content-type"].split("/")[0] == "image":
|
|
|
|
mime_type = r.headers["content-type"]
|
|
image_format = mimetypes.guess_extension(mime_type)
|
|
|
|
if not image_format:
|
|
raise ValueError("Could not determine image type from MIME type")
|
|
|
|
image_filename = f"{image_id}{image_format}"
|
|
|
|
file_path = IMAGE_CACHE_DIR.joinpath(f"{image_filename}")
|
|
with open(file_path, "wb") as image_file:
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
image_file.write(chunk)
|
|
return image_filename
|
|
else:
|
|
log.error(f"Url does not point to an image.")
|
|
return None
|
|
|
|
except Exception as e:
|
|
log.exception(f"Error saving image: {e}")
|
|
return None
|
|
|
|
|
|
@app.post("/generations")
|
|
async def image_generations(
|
|
form_data: GenerateImageForm,
|
|
user=Depends(get_verified_user),
|
|
):
|
|
width, height = tuple(map(int, app.state.config.IMAGE_SIZE.split("x")))
|
|
|
|
r = None
|
|
try:
|
|
if app.state.config.ENGINE == "openai":
|
|
|
|
headers = {}
|
|
headers["Authorization"] = f"Bearer {app.state.config.OPENAI_API_KEY}"
|
|
headers["Content-Type"] = "application/json"
|
|
|
|
data = {
|
|
"model": (
|
|
app.state.config.MODEL
|
|
if app.state.config.MODEL != ""
|
|
else "dall-e-2"
|
|
),
|
|
"prompt": form_data.prompt,
|
|
"n": form_data.n,
|
|
"size": (
|
|
form_data.size if form_data.size else app.state.config.IMAGE_SIZE
|
|
),
|
|
"response_format": "b64_json",
|
|
}
|
|
|
|
r = requests.post(
|
|
url=f"{app.state.config.OPENAI_API_BASE_URL}/images/generations",
|
|
json=data,
|
|
headers=headers,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
res = r.json()
|
|
|
|
images = []
|
|
|
|
for image in res["data"]:
|
|
image_filename = save_b64_image(image["b64_json"])
|
|
images.append({"url": f"/cache/image/generations/{image_filename}"})
|
|
file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_filename}.json")
|
|
|
|
with open(file_body_path, "w") as f:
|
|
json.dump(data, f)
|
|
|
|
return images
|
|
|
|
elif app.state.config.ENGINE == "comfyui":
|
|
data = {
|
|
"prompt": form_data.prompt,
|
|
"width": width,
|
|
"height": height,
|
|
"n": form_data.n,
|
|
}
|
|
|
|
if app.state.config.IMAGE_STEPS is not None:
|
|
data["steps"] = app.state.config.IMAGE_STEPS
|
|
|
|
if form_data.negative_prompt is not None:
|
|
data["negative_prompt"] = form_data.negative_prompt
|
|
|
|
form_data = ComfyUIGenerateImageForm(
|
|
**{
|
|
"workflow": ComfyUIWorkflow(
|
|
**{
|
|
"workflow": app.state.config.COMFYUI_WORKFLOW,
|
|
"nodes": app.state.config.COMFYUI_WORKFLOW_NODES,
|
|
}
|
|
),
|
|
**data,
|
|
}
|
|
)
|
|
res = await comfyui_generate_image(
|
|
app.state.config.MODEL,
|
|
form_data,
|
|
user.id,
|
|
app.state.config.COMFYUI_BASE_URL,
|
|
)
|
|
log.debug(f"res: {res}")
|
|
|
|
images = []
|
|
|
|
for image in res["data"]:
|
|
image_filename = save_url_image(image["url"])
|
|
images.append({"url": f"/cache/image/generations/{image_filename}"})
|
|
file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_filename}.json")
|
|
|
|
with open(file_body_path, "w") as f:
|
|
json.dump(form_data.model_dump(exclude_none=True), f)
|
|
|
|
log.debug(f"images: {images}")
|
|
return images
|
|
elif (
|
|
app.state.config.ENGINE == "automatic1111" or app.state.config.ENGINE == ""
|
|
):
|
|
if form_data.model:
|
|
set_image_model(form_data.model)
|
|
|
|
data = {
|
|
"prompt": form_data.prompt,
|
|
"batch_size": form_data.n,
|
|
"width": width,
|
|
"height": height,
|
|
}
|
|
|
|
if app.state.config.IMAGE_STEPS is not None:
|
|
data["steps"] = app.state.config.IMAGE_STEPS
|
|
|
|
if form_data.negative_prompt is not None:
|
|
data["negative_prompt"] = form_data.negative_prompt
|
|
|
|
r = requests.post(
|
|
url=f"{app.state.config.AUTOMATIC1111_BASE_URL}/sdapi/v1/txt2img",
|
|
json=data,
|
|
headers={"authorization": get_automatic1111_api_auth()},
|
|
)
|
|
|
|
res = r.json()
|
|
log.debug(f"res: {res}")
|
|
|
|
images = []
|
|
|
|
for image in res["images"]:
|
|
image_filename = save_b64_image(image)
|
|
images.append({"url": f"/cache/image/generations/{image_filename}"})
|
|
file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_filename}.json")
|
|
|
|
with open(file_body_path, "w") as f:
|
|
json.dump({**data, "info": res["info"]}, f)
|
|
|
|
return images
|
|
|
|
except Exception as e:
|
|
error = e
|
|
if r != None:
|
|
data = r.json()
|
|
if "error" in data:
|
|
error = data["error"]["message"]
|
|
raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(error))
|