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from flask import Flask, render_template,request,jsonify,Response  
import sys
import os
import warnings
import logging
import urllib3
import json
import requests
from flask_cors import CORS
import time
from flask_limiter import Limiter
from flask_limiter.util import get_remote_address

from hf import *



app = Flask(__name__)

CORS(app)
import logging





total = 0
pending = 0


limiter = Limiter(
    key_func=get_remote_address,
    default_limits=["8 per minute"]
)
limiter.init_app(app)




@app.route("/")
def index():
  message = {'Total Requests: ': total, 'Pending Requests: ': pending}
  return jsonify(message)






@limiter.limit("6 per minute")
@app.route('/gen', methods=['POST'])
def Hf():
    
    global total, pending
    total += 1
    pending += 1
    prompt = request.json.get('prompt', '')
    negative = request.json.get('negative', '')
    steps = request.json.get('steps', 20)
    width = request.json.get('width',1024)
    height = request.json.get('height',1024)
    scale = request.json.get('scale',7)
    model = request.json.get('model','sd3')
    style = request.json.get('style', 'Cinematic')
    shash = request.json.get('hash')
    if model == 'rvs4':
        def generator():
            global pending
            while True:  
                try:
                    for info in rvx(prompt=prompt, negative=negative, width=width, height=height, scale=scale, steps=steps, style=style, shash=shash):
                        if "error" in json.dumps(info):
                            
                            raise ValueError("Error in response, retrying...")
                        else:
                            yield f'data: {json.dumps(info)}\n\n'
                    pending -= 1
                    break 
                except ValueError as e:
                    continue  
        return Response(generator(), mimetype="text/event-stream")

    

    elif model == 'mobius':
        def generator():
            global pending
            while True:  
                try:
                    for info in mobius(prompt=prompt, negative=negative, width=width, height=height, scale=scale, steps=steps, style=style, shash=shash):
                        if "error" in json.dumps(info):
                            raise ValueError("Error in response, retrying...")
                        else:
                            yield f'data: {json.dumps(info)}\n\n'
                    pending -= 1
                    break 
                except ValueError as e:
                    continue  
        return Response(generator(), mimetype="text/event-stream")
    
    elif model == 'sd3':
        def generator():
            global pending
            while True:  
                try:
                    for info in sd3(prompt=prompt, negative=negative, width=width, height=height, scale=scale, steps=steps, style=style, shash=shash):
                        if "error" in json.dumps(info):
                            raise ValueError("Error in response, retrying...")
                        else:
                            yield f'data: {json.dumps(info)}\n\n'
                    pending -= 1
                    break 
                except ValueError as e:
                    continue  
        return Response(generator(), mimetype="text/event-stream")
        
    
    elif model == 'sdflash':
        def generator():
            global pending
            while True:  
                try:
                    for info in sdflash(prompt=prompt, negative=negative, width=width, height=height, scale=scale, steps=steps, style=style, shash=shash):
                        if "error" in json.dumps(info):
                            raise ValueError("Error in response, retrying...")
                        else:
                            yield f'data: {json.dumps(info)}\n\n'
                    pending -= 1
                    break 
                except ValueError as e:
                    continue  
        return Response(generator(), mimetype="text/event-stream")

  
    elif model == 'kivotos':
        def generator():
            global pending
            while True:  
                try:
                    for info in kivotos(prompt=prompt, negative=negative, width=width, height=height, scale=scale, steps=steps, style=style, shash=shash):
                        if "error" in json.dumps(info):
                            raise ValueError("Error in response, retrying...")
                        else:
                            yield f'data: {json.dumps(info)}\n\n'
                    pending -= 1
                    break 
                except ValueError as e:
                    continue  
        return Response(generator(), mimetype="text/event-stream")
        
    elif model == 'OpenDalle':
        def generator():
            global pending
            while True:  
                try:
                    for info in OpenDalle(prompt=prompt, negative=negative, width=width, height=height, scale=scale, steps=steps, style=style, shash=shash):
                        if "error" in json.dumps(info):
                            raise ValueError("Error in response, retrying...")
                        else:
                            yield f'data: {json.dumps(info)}\n\n'
                    pending -= 1
                    break 
                except ValueError as e:
                    continue  
        return Response(generator(), mimetype="text/event-stream")
        
    else:
        pending-=1
        return jsonify('model not found'), 404





if __name__ == '__main__':
    #socketio.start_background_task(background_task)
    app.run(debug=False, host='0.0.0.0', port=7860)