mirror of
https://github.com/storytold/storyteller-ml.git
synced 2026-10-09 00:09:55 +00:00
Kasisnu
424 lines
16 KiB
Python
424 lines
16 KiB
Python
import signal
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import subprocess
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import time
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import shutil
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from pathlib import Path
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import asyncio
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import uuid
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import os
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import json
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import random
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from typing import Dict, Any, Optional
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import mimetypes
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from fastapi import FastAPI, File, UploadFile, HTTPException, Form, Request, Response
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import requests
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from jsonpath_ng import jsonpath, parse
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from moviepy.editor import ImageClip
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from fastapi.middleware.cors import CORSMiddleware
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import urllib
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import websockets
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# CORS header for which websites can import this content in a frame.
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# This *technically* shouldn't be required, but the XHR requests are
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# being made from a controlled frame.
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#
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# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/frame-ancestors
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#
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# NB(bt,2024-03-30): The *.netlify.app is dangerous.
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CORS_WHITELIST_ORIGINS = [
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"https://storyteller.ai",
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"https://studio.storyteller.ai",
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"https://studio-testing.studio.storyteller.ai",
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"https://studio-staging.studio.storyteller.ai",
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"https://storytellerstudio.netlify.app",
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"https://branch-name--storytellerstudio.netlify.app",
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"https://deploy-preview-123--storytellerstudio.netlify.app",
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"https://pipeline-gottagofast.netlify.app",
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"https://branch-whatever--pipeline-gottagofast.netlify.app",
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"https://fakeyou.com",
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"https://*.fakeyou.com",
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"https://*.storyteller.ai",
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"https://*.netlify.app",
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"http://*.fakeyou.com:7000",
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"http://*.fakeyou.com:7001",
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"http://*.fakeyou.com:7002",
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"http://*.storyteller.ai:7000",
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"http://*.storyteller.ai:7001",
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"http://*.storyteller.ai:7002",
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]
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# TODO(kasisnu): Remove ugly globals
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=CORS_WHITELIST_ORIGINS,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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SERVER_IP = os.environ.get("SERVER_IP", "127.0.0.1:8188")
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TIMEOUT_SECONDS = os.environ.get("TIMEOUT_SECONDS", 1000)
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PROMPT_ENDPOINT = f"http://{SERVER_IP}/prompt"
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V2V_WORKFLOWS_DIRECTORY = os.environ.get("V2V_WORKFLOWS_DIRECTORY",
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"/home/kasisnu/go/src/github.com/storytold/V2V-StylesList/V2VWorkflows/")
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COMFY_ROOT_DIRECTORY = os.environ.get("COMFY_ROOT_DIRECTORY",
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"/home/kasisnu/go/src/github.com/comfyanonymous/ComfyUI")
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SERVER_START_TIMEOUT = int(os.environ.get("SERVER_START_TIMEOUT", 60))
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STYLE_LOCK = os.environ.get("STYLE_LOCK", None)
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PREVIEW_WORKFLOW_NAME = os.environ.get("PREVIEW_WORKFLOW_NAME", 'workflow_api_instantpreview.json')
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MAPPING_NAME = os.environ.get("MAPPING_NAME", "mapping_two.json")
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AUTH_URL = os.environ.get("AUTH_URL", "https://api.fakeyou.com/v1/session")
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# websocket.enableTrace(True)
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client_id = str(uuid.uuid4())
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style_to_filename = {
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"anime_2_5d": "1_2.5d_anime_model.json",
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"anime_2d_flat": "2_2d_flat_anime_model.json",
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"cartoon_3d": "3_3d_cartoon_style.json",
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"comic_book": "4_comic_book_model.json",
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"anime_ghibli": "5_ghibli_anime_model.json",
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"ink_punk": "6_ink_punk.json",
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"ink_splash": "7_ink_splash.json",
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"ink_bw_style": "8_ink_w_and_b_style.json",
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"jojo_style": "9_jojo_style.json",
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"paper_origami": "10_paper_origami.json",
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"pixel_art": "11_pixel_art.json",
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"pop_art": "12_pop_art.json",
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"realistic_1": "13_realistic_1.json",
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"realistic_2": "14_realistic_2.json",
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"anime_retro_neon": "15_retro_neon_anime_90.json",
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"anime_standard": "16_standard_anime_model.json",
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"hr_giger": "17_hr_giger.json",
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"simpsons": "18_simpsons.json",
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"carnage": "19_carnage.json",
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"pastel_cute_anime": "20_pastel_cute_anime.json",
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"bloom_lighting": "21_bloom_lighting.json",
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"25d_horror": "22_25D_Horror.json",
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"creepy": "23_creepy.json",
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"creepy_vhs": "24_creepy_vhs.json",
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"trail_cam_footage": "25_trail_cam_footage.json",
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"old_black_white_movie": "26_old_black_white_movie.json",
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"horror_noir_black_white": "27_horror_noir_black_white.json",
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"techno_noir_black_white": "28_techno_noir_black_white.json",
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"black_white_20s": "29_black_white_20s.json",
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"cyberpunk_anime": "30_cyberpunk_anime.json",
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"dragonball": "31_dragonball.json",
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"realistic_matrix": "32_realistic_matrix.json",
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"realistic_cyberpunk": "33_realistic_cyberpunk.json"
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}
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allowed_keys = ["style", "positive_prompt", "negative_prompt"]
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def can_use_vst(cookies):
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#todo(kasisnu): this didn't seem to work right away, might need digging into
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return True # FOR NOW
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"""Check if the user is authenticated and if the 'video_style_transfer' feature flag is enabled."""
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try:
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response = requests.get(AUTH_URL, cookies=cookies)
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except requests.exceptions.RequestException as e:
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print(f"Error during request: {e}")
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return False
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if response.status_code == 200:
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try:
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response_json = response.json()
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except ValueError:
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print("Invalid JSON response")
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return False
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if response_json.get("success") and response_json.get("logged_in"):
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username = response_json["user"]["core_info"]["username"]
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print(f"User is logged in: {username}")
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feature_flags = response_json["user"].get("maybe_feature_flags", {})
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if "video_style_transfer" in feature_flags:
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print("VST feature flag is found")
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return True
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else:
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print("VST feature flag not found")
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else:
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print("User is not logged in or session is invalid")
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else:
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print(f"Failed to authenticate ({response.status_code}): {response.text}")
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return False
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def validate_request(request):
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try:
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request = json.loads(request)
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except json.JSONDecodeError:
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raise HTTPException(status_code=400, detail="Invalid JSON for 'request'")
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# check for style key
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if "style" not in request:
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raise HTTPException(status_code=400, detail="Missing 'style' key in 'request'")
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style = request["style"]
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if style not in style_to_filename:
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raise HTTPException(status_code=400,
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detail=f"Invalid 'style' key in 'request'. Valid styles: {', '.join(style_to_filename.keys())}")
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# check for other keys
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for key in request:
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if key not in allowed_keys:
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raise HTTPException(status_code=400,
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detail=f"Invalid key '{key}' in 'request'. Valid keys: {', '.join(allowed_keys)}")
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return request
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def terminate_process(proc):
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proc.terminate()
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try:
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proc.wait(timeout=10)
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except subprocess.TimeoutExpired:
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proc.kill()
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def signal_handler(signum, frame):
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print("Signal received, shutting down.")
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terminate_process(comfyui_process)
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print("ComfyUI server terminated")
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exit(0)
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@app.get('/health')
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def health():
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return "All good"
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@app.post("/preview/")
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async def preview_request(request_obj: Request, request: str = Form(...), input_file: UploadFile = File(...)):
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cookies = request_obj.cookies
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if not can_use_vst(cookies):
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raise HTTPException(status_code=401, detail="No Video Style Transfer feature flag found")
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request = validate_request(request)
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if STYLE_LOCK:
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if request["style"] != STYLE_LOCK:
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raise HTTPException(status_code=400, detail=f"This endpoint is for '{STYLE_LOCK}' style only")
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try:
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request_style = request["style"]
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style_filename = style_to_filename[request["style"]]
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positive_prompt = request.get("positive_prompt", None)
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negative_prompt = request.get("negative_prompt", None)
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mime_type = input_file.content_type
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if not mime_type:
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mime_type, _ = mimetypes.guess_type(input_file.filename)
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input_filename_ext = ''
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if 'video' in mime_type:
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input_filename_ext = ".mp4"
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elif 'image' in mime_type:
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input_filename_ext = mimetypes.guess_extension(mime_type)
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else:
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raise HTTPException(status_code=400, detail="Unsupported file type")
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temp_filename = f"temp_files/{uuid.uuid4()}{input_filename_ext}"
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Path(temp_filename).parent.mkdir(parents=True, exist_ok=True)
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with open(temp_filename, "wb") as buffer:
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shutil.copyfileobj(input_file.file, buffer)
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if 'image' in mime_type:
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clip = ImageClip(temp_filename)
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fps = 24
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clip_duration = 1 / fps
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clip = clip.set_duration(clip_duration)
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input_filename = f"temp_files/{uuid.uuid4()}.mp4"
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clip.write_videofile(input_filename, fps=fps)
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else:
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input_filename = temp_filename
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Failed to save file: {str(e)}")
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# Process video (or image converted to video) and generate preview
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preview_image_path = await process_video(request_style, input_filename, style_filename, positive_prompt, negative_prompt)
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return Response(preview_image_path, media_type='image/jpeg')
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async def process_video(request_style: str, video_path: str, style_filename, positive_prompt=None, negative_prompt=None) -> Path:
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# generate random seed (otherwise video will cache completely and not generate a new output)
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styles_directory = Path(V2V_WORKFLOWS_DIRECTORY) / "styles"
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workflow_directory = Path(V2V_WORKFLOWS_DIRECTORY) / "workflows"
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mappings_directory = Path(V2V_WORKFLOWS_DIRECTORY) / "mappings"
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style_json = json.load(open(styles_directory / style_filename))
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workflow_json = json.load(open(workflow_directory / PREVIEW_WORKFLOW_NAME))
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mapping_json = json.load(open(mappings_directory / MAPPING_NAME))
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json_mods = style_json["modifications"]
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json_mods['cn_soft_edge_strength'] = 1.0
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jsonpath_mods = get_jsonpath_mods(json_mods, mapping_json, pos_in=positive_prompt, neg_in=negative_prompt)
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print(*jsonpath_mods.items(), sep="\n")
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json_prompt = apply_jsonpath_mods(jsonpath_mods, workflow_json)
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# generate random seed (otherwise video will cache completely and not generate a new output)
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try:
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json_prompt["173"]["inputs"]["seed"] = random.randint(0, 1000000)
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except KeyError:
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pass
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input_video_path = Path(COMFY_ROOT_DIRECTORY) / "input/input.mp4"
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shutil.move(video_path, input_video_path)
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p = {"prompt": json_prompt, "client_id": client_id, "extra_data": {"style": request_style}}
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data = json.dumps(p).encode('utf-8')
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execution_start_time = time.perf_counter()
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response = requests.post(PROMPT_ENDPOINT, data=data)
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if response.status_code == 200:
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print("Job enqueued successfully")
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else:
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raise HTTPException(status_code=500, detail=f"Failed to queue job")
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prompt_id = response.json()["prompt_id"]
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async with websockets.connect("ws://{}/ws?clientId={}".format(SERVER_IP, client_id)) as ws:
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images = await get_images(ws, prompt_id, '1517')
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current_time = time.perf_counter()
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execution_time = current_time - execution_start_time
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print('request executed in {:.2f} seconds'.format(execution_time))
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return images['1517'][0]
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def get_jsonpath_mods(style_mods: Dict[str, Any], mapping_json: Dict[str, Any], pos_in: Optional[str] = None,
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neg_in: Optional[str] = None) -> Dict[str, Any]:
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modifications = {}
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new_mod_json = style_mods.copy()
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# Process "loras" differently
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loras = new_mod_json.get("loras", [])
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if len(loras) > 8:
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raise ValueError("Too many loras, max is 8")
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for index, lora in enumerate(loras):
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if "name" in lora and "strength" in lora:
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new_mod_json[f"lora_{index + 1}_strength"] = lora["strength"]
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new_mod_json[f"lora_{index + 1}_name"] = lora["name"]
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# Exclude "loras" from further processing
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new_mod_json.pop("loras", None)
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# Handling positive and negative prompts
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if pos_in:
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new_mod_json["positive_prompt"] = f"{pos_in}, {new_mod_json.get('positive_prompt', '')},"
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if neg_in:
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new_mod_json["negative_prompt"] = f"{neg_in}, {new_mod_json.get('negative_prompt', '')},"
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for key, value in new_mod_json.items():
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mapping_key = f"$.{key}"
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jsonpath_expr = parse(mapping_key)
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# Finding matches using jsonpath_ng
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matches = [match.value for match in jsonpath_expr.find(mapping_json)]
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if matches:
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mapping_value = matches[0]
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modifications[mapping_value] = value
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else:
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print(f"No mapping found for key '{key}'")
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return modifications
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def apply_jsonpath_mods(jsonpath_mods: Dict[str, Any], workflow_json: Dict[str, Any]) -> Dict[str, Any]:
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for key, value in jsonpath_mods.items():
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# jsonpath-ng expects numbers to be wrapped in quotes
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parts = key.split(".")
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new_parts = [f"'{part}'" if part.isdigit() else part for part in parts]
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key = ".".join(new_parts)
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jsonpath_expr = parse(key)
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matches = jsonpath_expr.find(workflow_json)
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if matches:
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parent = matches[0].context.value
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if isinstance(parent, dict):
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last_part = new_parts[-1].strip("'")
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parent[last_part] = value
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elif isinstance(parent, list):
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index = int(new_parts[-1].strip("'"))
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if 0 <= index < len(parent):
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parent[index] = value
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else:
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print(f"Index {index} is out of bounds for key '{key}'")
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else:
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print(f"No mapping found for key '{key}'")
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return workflow_json
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def get_image(filename, subfolder, folder_type):
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data = {"filename": filename, "subfolder": subfolder, "type": folder_type}
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url_values = urllib.parse.urlencode(data)
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with urllib.request.urlopen("http://{}/view?{}".format(SERVER_IP, url_values)) as response:
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return response.read()
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def get_history(prompt_id):
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with urllib.request.urlopen("http://{}/history/{}".format(SERVER_IP, prompt_id)) as response:
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return json.loads(response.read())
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async def get_images(ws, prompt_id, filter_node_id=None):
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output_images = {}
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while True:
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out = await ws.recv()
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if isinstance(out, str):
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message = json.loads(out)
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if message['type'] == 'executing':
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data = message['data']
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if data['node'] is None and data['prompt_id'] == prompt_id:
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break #Execution is done
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else:
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continue #previews are binary data
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history = get_history(prompt_id)[prompt_id]
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for o in history['outputs']:
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for node_id in history['outputs']:
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if filter_node_id is not None and node_id != filter_node_id:
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continue
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node_output = history['outputs'][node_id]
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images_output = []
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if 'images' in node_output:
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for image in node_output['images']:
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image_data = get_image(image['filename'], image['subfolder'], image['type'])
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images_output.append(image_data)
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output_images[node_id] = images_output
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return output_images
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if __name__ == "__main__":
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import uvicorn
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# install ComfyUI
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# os.system("python3 install.py")
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signal.signal(signal.SIGINT, signal_handler)
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signal.signal(signal.SIGTERM, signal_handler)
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comfyui_process = subprocess.Popen(["venv/bin/python", "main.py", "--highvram", "--disable-metadata"], cwd=COMFY_ROOT_DIRECTORY)
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# block until comfyUI server is up
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start_time = time.time()
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started = False
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while time.time() - start_time < SERVER_START_TIMEOUT:
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try:
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response = requests.get(PROMPT_ENDPOINT, timeout=5)
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if response.status_code == 200:
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print("Server is healthy")
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started = True
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break
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except requests.exceptions.ConnectionError:
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print(f"Server is not up yet. Time elapsed: {time.time() - start_time:.2f}")
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time.sleep(1)
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if not started:
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print(f"Server failed to start in {SERVER_START_TIMEOUT} seconds")
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exit(1)
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print("ComfyUI server running, starting FastAPI server")
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uvicorn.run(app, host="0.0.0.0", port=8000)
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# cleanup
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terminate_process(comfyui_process)
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