rewrite process_queue.py for A1111 api

- txt2img
- img2img 
- progress polling

process_queue.py

@@ -12,21 +12,9 @@ from time import time
 from telethon.errors.rpcerrorlist import MessageNotModifiedError, UserIsBlockedError
 
 log = logging.getLogger('process')
-temp_folder = '/home/ed/temp/'
 
 default_vars = {
-	"use_cpu":False,
+	"sampler_name": "DPM++ 2M Karras",
-	"use_full_precision": False,
-	"stream_progress_updates": True,
-	"stream_image_progress": False,
-	"show_only_filtered_image": True,
-	"sampler_name": "dpm_solver_stability",
-	"save_to_disk_path": temp_folder,
-	"output_format": "png",
-	"use_stable_diffusion_model": "fluffyrock-576-704-832-960-1088-lion-low-lr-e61-terminal-snr-e34",
-	"metadata_output_format": "embed",
-	"use_hypernetwork_model": "boring_e621",
-	"hypernetwork_strength": 0.25,
 }
 
 class Worker:
@@ -42,6 +30,25 @@ class Worker:
 		self.log = logging.getLogger(name)
 		self.prompt = None
 			
+	async def update_progress_bar(self, msg):
+		start = time()
+		last_edit = 0
+		while True:
+			async with httpx.AsyncClient() as httpclient:
+				step = await httpclient.get(self.api + '/sdapi/v1/progress')
+				try:
+					data = step.json()
+				except:
+					continue
+				if data['state']['sampling_step']%10 == 0:
+					self.log.info(f"Generation progress of {self.prompt}: {data['state']['job']} | {data['state']['sampling_step']}/{data['state']['sampling_steps']}")
+								
+				if time() - last_edit > 3:
+					await msg.edit(f"Generating prompt #{self.prompt}, {int(data['progress'] * 100)}% done. {time()-start:.1f}s elapsed, {int(data['eta_relative'])}s remaining.")
+					last_edit = time()
+							
+			await asyncio.sleep(2)
+
 	def start(self, future=None):
 	
 		if not self.client.process_queue:
@@ -67,12 +74,13 @@ class Worker:
 			self.task.add_done_callback(self.start)
 
 	async def process_prompt(self, prompt, queue_item):
+		endpoint = 'txt2img'
 	
 		# First of all, check if the user can still be messaged.
 		
 		async with httpx.AsyncClient() as httpclient:
 			try:
-				await httpclient.get(join(self.api, 'ping'), timeout=5)
+				await httpclient.get(self.api + '/internal/ping', timeout=5)
 			except Exception as e:
 				print(str(e))
 				log.error('Server is dead. Waiting 10 seconds for server availability...')
@@ -88,23 +96,23 @@ class Worker:
 		
 		# Prepare the parameters for the request
 		params = default_vars.copy()
-		params['session_id']		 	= str(prompt['id'])
 		params['prompt']			 	= prompt['prompt'] or ''
-		params['negative_prompt']	 	= prompt['negative_prompt'] or 'boring_e621_v4'
+		params['negative_prompt']	 	= str(prompt['negative_prompt']) 
-		params['num_outputs']		 	= int(prompt['number'])
+		params['n_iter']		 	= int(prompt['number'])
-		params['num_inference_steps']	= prompt['inference_steps']
+		#params['batch_size']        = int(prompt['number'])
-		params['guidance_scale']     	= prompt['detail']
+		params['steps']	= prompt['inference_steps']
+		params['cfg_scale']     	= prompt['detail']
 		params['width']					= prompt['resolution'].split('x')[0]
 		params['height']				= prompt['resolution'].split('x')[1]
 		params['seed']					= str(prompt['seed'])
-		params['vram_usage_level'] = 'low' if '-low' in self.name else ('medium' if '1024' in prompt['resolution'] else 'high')
 
 		self.prompt = prompt['id']
 
-		if prompt['hires'] == 'yes':
+		#if prompt['hires'] == 'yes':
-			params['use_upscale'] = 'RealESRGAN_x4plus_anime_6B'
+		#	params['use_upscale'] = 'RealESRGAN_x4plus_anime_6B'
 
 		if prompt['image'] != 'no_image':
+			endpoint = 'img2img'
 			img = Image.open(prompt['image'])
 			img = img.convert('RGB')
 			if prompt['crop'] == 'no':
@@ -115,60 +123,43 @@ class Worker:
 			imgdata = BytesIO()
 			img.save(imgdata, format='JPEG')
 
-			params['init_image'] = ('data:image/jpeg;base64,'+b64encode(imgdata.getvalue()).decode()).strip()
+			params['init_images'] = [('data:image/jpeg;base64,'+b64encode(imgdata.getvalue()).decode()).strip()]
-			params['sampler_name'] = 'ddim'
+			params['sampler_name'] = 'DDIM'
-			params['prompt_strength'] = prompt['blend']
+			params['denoising_strength'] = prompt['blend']
 
 		async with httpx.AsyncClient() as httpclient:
 
 			self.conn.execute('UPDATE prompt SET started_at = ? WHERE id = ?', (time(), prompt['id']))
 
-			start = time()
 			failed = False
 
 			self.log.info('POST to server')
-			res = await httpclient.post(join(self.api, 'render'), data=json.dumps(params))
+			progress_task = asyncio.create_task(self.update_progress_bar(msg))
+			try:
+				res = await httpclient.post(self.api + f'/sdapi/v1/{endpoint}', data=json.dumps(params), timeout=300) 
+			except Exception as e:
+				await self.client.send_message(self.client.admin_id, f"While generating #{prompt['id']}: {e}")
+				await self.client.send_message(prompt['user_id'], f"While trying to generate your prompt we encountered an error.\n\nThis might mean a bad combination of parameters, or issues on our side. We will retry a couple of times just in case.")
+				failed = True
+				self.client.conn.execute('UPDATE prompt SET is_error = 1, is_done = 1, completed_at = ? WHERE id = ?',(time(), prompt['id']))
+				return
 			res = res.json()
 
-			last_edit = 0
+			self.log.info('Success!')
+			images = []
+			for img in res['images']:
+				imgdata = BytesIO(b64decode(img.split(",",1)[0]))
+				imgdata.name = 'image.png'
+				imgdata.seek(0)
+				images.append(imgdata)
 
-			while 1:
-				step = await httpclient.get(join(self.api, res['stream'][1:]))
 
-				try:
-					data = step.json()
-				except:
-					continue
-					
-				if 'step' in data:
-					if int(data['step'])%10 == 0:
-						self.log.info(f"Generation progress of {prompt['id']}: {data['step']}/{data['total_steps']}")
-							
-					if time() - last_edit > 10:
-						await msg.edit(f"Generating prompt #{prompt['id']}, step {data['step']} of {data['total_steps']}. {time()-start:.1f}s elapsed.")
-						last_edit = time()
-						
-				elif 'status' in data and data['status'] == 'failed':
-					await self.client.send_message(184151234, f"While generating #{prompt['id']}: {data['detail']}...")
-					await self.client.send_message(prompt['user_id'], f"While trying to generate your prompt we encountered an error: {data['detail']}\n\nThis might mean a bad combination of parameters, or issues on our sifde. We will retry a couple of times just in case.")
-					failed = True
-					self.client.conn.execute('UPDATE prompt SET is_error = 1, is_done = 1, completed_at = ? WHERE id = ?',(time(), prompt['id']))
-					break
-				elif 'status' in data and data['status'] == 'succeeded':
-					self.log.info('Success!')
-					images = []
-					for img in data['output']:
-						imgdata = BytesIO(b64decode(img['data'].split('base64,',1)[1]))
-						#imgdata.name = img['path_abs'].rsplit('/', 1)[-1]
-						imgdata.name = 'image.png'
-						imgdata.seek(0)
-						images.append(imgdata)
-					break
-				else:
-					print(data)
-				
-				await asyncio.sleep(2)
 				
+			progress_task.cancel()
+			try:
+				await progress_task
+			except asyncio.CancelledError:
+				pass
 			self.conn.execute('UPDATE prompt SET is_done = 1, completed_at = ? WHERE id = ?',(time(), prompt['id']))
 			await msg.delete()