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from typing import List, Optional
from threading import Lock
from secrets import compare_digest
from fastapi import FastAPI, APIRouter, Depends, Request
from fastapi.security import HTTPBasic, HTTPBasicCredentials
from fastapi.exceptions import HTTPException
from modules import errors, shared, postprocessing
from modules.api import models, endpoints, script, helpers, server, nvml, generate, process, control
errors.install()
class Api:
def __init__(self, app: FastAPI, queue_lock: Lock):
self.credentials = {}
if shared.cmd_opts.auth:
for auth in shared.cmd_opts.auth.split(","):
user, password = auth.split(":")
self.credentials[user.replace('"', '').strip()] = password.replace('"', '').strip()
if shared.cmd_opts.auth_file:
with open(shared.cmd_opts.auth_file, 'r', encoding="utf8") as file:
for line in file.readlines():
user, password = line.split(":")
self.credentials[user.replace('"', '').strip()] = password.replace('"', '').strip()
self.router = APIRouter()
self.app = app
self.queue_lock = queue_lock
self.generate = generate.APIGenerate(queue_lock)
self.process = process.APIProcess(queue_lock)
self.control = control.APIControl(queue_lock)
# server api
self.add_api_route("/sdapi/v1/motd", server.get_motd, methods=["GET"], response_model=str)
self.add_api_route("/sdapi/v1/log", server.get_log_buffer, methods=["GET"], response_model=List[str])
self.add_api_route("/sdapi/v1/start", self.get_session_start, methods=["GET"])
self.add_api_route("/sdapi/v1/version", server.get_version, methods=["GET"])
self.add_api_route("/sdapi/v1/platform", server.get_platform, methods=["GET"])
self.add_api_route("/sdapi/v1/progress", server.get_progress, methods=["GET"], response_model=models.ResProgress)
self.add_api_route("/sdapi/v1/interrupt", server.post_interrupt, methods=["POST"])
self.add_api_route("/sdapi/v1/skip", server.post_skip, methods=["POST"])
self.add_api_route("/sdapi/v1/shutdown", server.post_shutdown, methods=["POST"])
self.add_api_route("/sdapi/v1/memory", server.get_memory, methods=["GET"], response_model=models.ResMemory)
self.add_api_route("/sdapi/v1/options", server.get_config, methods=["GET"], response_model=models.OptionsModel)
self.add_api_route("/sdapi/v1/options", server.set_config, methods=["POST"])
self.add_api_route("/sdapi/v1/cmd-flags", server.get_cmd_flags, methods=["GET"], response_model=models.FlagsModel)
self.add_api_route("/sdapi/v1/nvml", nvml.get_nvml, methods=["GET"], response_model=List[models.ResNVML])
# core api using locking
self.add_api_route("/sdapi/v1/txt2img", self.generate.post_text2img, methods=["POST"], response_model=models.ResTxt2Img)
self.add_api_route("/sdapi/v1/img2img", self.generate.post_img2img, methods=["POST"], response_model=models.ResImg2Img)
self.add_api_route("/sdapi/v1/control", self.control.post_control, methods=["POST"], response_model=control.ResControl)
self.add_api_route("/sdapi/v1/extra-single-image", self.extras_single_image_api, methods=["POST"], response_model=models.ResProcessImage)
self.add_api_route("/sdapi/v1/extra-batch-images", self.extras_batch_images_api, methods=["POST"], response_model=models.ResProcessBatch)
self.add_api_route("/sdapi/v1/preprocess", self.process.post_preprocess, methods=["POST"])
self.add_api_route("/sdapi/v1/mask", self.process.post_mask, methods=["POST"])
# api dealing with optional scripts
self.add_api_route("/sdapi/v1/scripts", script.get_scripts_list, methods=["GET"], response_model=models.ResScripts)
self.add_api_route("/sdapi/v1/script-info", script.get_script_info, methods=["GET"], response_model=List[models.ItemScript])
# enumerator api
self.add_api_route("/sdapi/v1/preprocessors", self.process.get_preprocess, methods=["GET"], response_model=List[process.ItemPreprocess])
self.add_api_route("/sdapi/v1/masking", self.process.get_mask, methods=["GET"], response_model=process.ItemMask)
self.add_api_route("/sdapi/v1/interrogate", endpoints.get_interrogate, methods=["GET"], response_model=List[str])
self.add_api_route("/sdapi/v1/samplers", endpoints.get_samplers, methods=["GET"], response_model=List[models.ItemSampler])
self.add_api_route("/sdapi/v1/upscalers", endpoints.get_upscalers, methods=["GET"], response_model=List[models.ItemUpscaler])
self.add_api_route("/sdapi/v1/sd-models", endpoints.get_sd_models, methods=["GET"], response_model=List[models.ItemModel])
self.add_api_route("/sdapi/v1/hypernetworks", endpoints.get_hypernetworks, methods=["GET"], response_model=List[models.ItemHypernetwork])
self.add_api_route("/sdapi/v1/face-restorers", endpoints.get_face_restorers, methods=["GET"], response_model=List[models.ItemFaceRestorer])
self.add_api_route("/sdapi/v1/prompt-styles", endpoints.get_prompt_styles, methods=["GET"], response_model=List[models.ItemStyle])
self.add_api_route("/sdapi/v1/embeddings", endpoints.get_embeddings, methods=["GET"], response_model=models.ResEmbeddings)
self.add_api_route("/sdapi/v1/sd-vae", endpoints.get_sd_vaes, methods=["GET"], response_model=List[models.ItemVae])
self.add_api_route("/sdapi/v1/extensions", endpoints.get_extensions_list, methods=["GET"], response_model=List[models.ItemExtension])
self.add_api_route("/sdapi/v1/extra-networks", endpoints.get_extra_networks, methods=["GET"], response_model=List[models.ItemExtraNetwork])
# functional api
self.add_api_route("/sdapi/v1/png-info", endpoints.post_pnginfo, methods=["POST"], response_model=models.ResImageInfo)
self.add_api_route("/sdapi/v1/interrogate", endpoints.post_interrogate, methods=["POST"])
self.add_api_route("/sdapi/v1/refresh-checkpoints", endpoints.post_refresh_checkpoints, methods=["POST"])
self.add_api_route("/sdapi/v1/unload-checkpoint", endpoints.post_unload_checkpoint, methods=["POST"])
self.add_api_route("/sdapi/v1/reload-checkpoint", endpoints.post_reload_checkpoint, methods=["POST"])
self.add_api_route("/sdapi/v1/refresh-vae", endpoints.post_refresh_vae, methods=["POST"])
def add_api_route(self, path: str, endpoint, **kwargs):
if (shared.cmd_opts.auth or shared.cmd_opts.auth_file) and shared.cmd_opts.api_only:
return self.app.add_api_route(path, endpoint, dependencies=[Depends(self.auth)], **kwargs)
return self.app.add_api_route(path, endpoint, **kwargs)
def auth(self, credentials: HTTPBasicCredentials = Depends(HTTPBasic())):
# this is only needed for api-only since otherwise auth is handled in gradio/routes.py
if credentials.username in self.credentials:
if compare_digest(credentials.password, self.credentials[credentials.username]):
return True
raise HTTPException(status_code=401, detail="Unauthorized", headers={"WWW-Authenticate": "Basic"})
def get_session_start(self, req: Request, agent: Optional[str] = None):
token = req.cookies.get("access-token") or req.cookies.get("access-token-unsecure")
user = self.app.tokens.get(token) if hasattr(self.app, 'tokens') else None
shared.log.info(f'Browser session: user={user} client={req.client.host} agent={agent}')
return {}
def prepare_img_gen_request(self, request):
if hasattr(request, "face") and request.face and not request.script_name and (not request.alwayson_scripts or "face" not in request.alwayson_scripts.keys()):
request.script_name = "face"
request.script_args = [
request.face.mode,
request.face.source_images,
request.face.ip_model,
request.face.ip_override_sampler,
request.face.ip_cache_model,
request.face.ip_strength,
request.face.ip_structure,
request.face.id_strength,
request.face.id_conditioning,
request.face.id_cache,
request.face.pm_trigger,
request.face.pm_strength,
request.face.pm_start,
request.face.fs_cache
]
del request.face
if hasattr(request, "ip_adapter") and request.ip_adapter and request.script_name != "IP Adapter" and (not request.alwayson_scripts or "IP Adapter" not in request.alwayson_scripts.keys()):
request.alwayson_scripts = {} if request.alwayson_scripts is None else request.alwayson_scripts
request.alwayson_scripts["IP Adapter"] = {
"args": [request.ip_adapter.adapter, request.ip_adapter.scale, request.ip_adapter.image]
}
del request.ip_adapter
def set_upscalers(self, req: dict):
reqDict = vars(req)
reqDict['extras_upscaler_1'] = reqDict.pop('upscaler_1', None)
reqDict['extras_upscaler_2'] = reqDict.pop('upscaler_2', None)
return reqDict
def extras_single_image_api(self, req: models.ReqProcessImage):
reqDict = self.set_upscalers(req)
reqDict['image'] = helpers.decode_base64_to_image(reqDict['image'])
with self.queue_lock:
result = postprocessing.run_extras(extras_mode=0, image_folder="", input_dir="", output_dir="", save_output=False, **reqDict)
return models.ResProcessImage(image=helpers.encode_pil_to_base64(result[0][0]), html_info=result[1])
def extras_batch_images_api(self, req: models.ReqProcessBatch):
reqDict = self.set_upscalers(req)
image_list = reqDict.pop('imageList', [])
image_folder = [helpers.decode_base64_to_image(x.data) for x in image_list]
with self.queue_lock:
result = postprocessing.run_extras(extras_mode=1, image_folder=image_folder, image="", input_dir="", output_dir="", save_output=False, **reqDict)
return models.ResProcessBatch(images=list(map(helpers.encode_pil_to_base64, result[0])), html_info=result[1])
def launch(self):
config = {
"listen": shared.cmd_opts.listen,
"port": shared.cmd_opts.port,
"keyfile": shared.cmd_opts.tls_keyfile,
"certfile": shared.cmd_opts.tls_certfile,
"loop": "auto", # auto, asyncio, uvloop
"http": "auto", # auto, h11, httptools
}
from modules.server import UvicornServer
http_server = UvicornServer(self.app, **config)
# from modules.server import HypercornServer
# server = HypercornServer(self.app, **config)
http_server.start()
shared.log.info(f'API server: Uvicorn options={config}')
return http_server
# compatibility items
decode_base64_to_image = helpers.decode_base64_to_image
encode_pil_to_base64 = helpers.encode_pil_to_base64
validate_sampler_name = helpers.validate_sampler_name
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