refactor: image generation

.full-env.example

@@ -17,4 +17,6 @@ SYSTEM_PROMPT="You are ChatGPT,  a large language model trained by OpenAI. Respo
 TEMPERATURE=0.8
 FLOWISE_API_URL="http://flowise:3000/api/v1/prediction/6deb3c89-45bf-4ac4-a0b0-b2d5ef249d21"
 FLOWISE_API_KEY="U3pe0bbVDWOyoJtsDzFJjRvHKTP3FRjODwuM78exC3A="
+IMAGE_GENERATION_ENDPOINT="http://localai:8080/v1/images/generations"
+IMAGE_GENERATION_BACKEND="sdwui" # openai or sdwui
 TIMEOUT=120.0

README.md

@@ -5,10 +5,11 @@ This is a simple Matrix bot that support using OpenAI API, Langchain to generate
 
 ## Feature
 
-1. Support official openai api and self host models([LocalAI](https://github.com/go-skynet/LocalAI))
+1. Support official openai api and self host models([LocalAI](https://localai.io/model-compatibility/))
 2. Support E2E Encrypted Room
 3. Colorful code blocks
 4. Langchain([Flowise](https://github.com/FlowiseAI/Flowise))
+5. Image Generation with [DALL·E](https://platform.openai.com/docs/api-reference/images/create) or [LocalAI](https://localai.io/features/image-generation/) or [stable-diffusion-webui](https://github.com/AUTOMATIC1111/stable-diffusion-webui/wiki/API)
 
 
 ## Installation and Setup
@@ -67,7 +68,7 @@ python src/main.py
 
 ## Usage
 
-To interact with the bot, simply send a message to the bot in the Matrix room with one of the two prompts:<br>
+To interact with the bot, simply send a message to the bot in the Matrix room with one of the following prompts:<br>
 - `!help` help message
 
 - `!gpt` To generate a one time response:
@@ -95,8 +96,8 @@ To interact with the bot, simply send a message to the bot in the Matrix room wi
 
 
 ## Image Generation
-
-
+![demo1](https://i.imgur.com/voeomsF.jpg)
+![demo2](https://i.imgur.com/BKZktWd.jpg)
 https://github.com/hibobmaster/matrix_chatgpt_bot/wiki/ <br>
 
 

full-config.json.sample

@@ -18,5 +18,7 @@
     "system_prompt": "You are ChatGPT,  a large language model trained by OpenAI. Respond conversationally",
     "flowise_api_url": "http://flowise:3000/api/v1/prediction/6deb3c89-45bf-4ac4-a0b0-b2d5ef249d21",
     "flowise_api_key": "U3pe0bbVDWOyoJtsDzFJjRvHKTP3FRjODwuM78exC3A=",
+    "image_generation_endpoint": "http://localai:8080/v1/images/generations",
+    "image_generation_backend": "openai",
     "timeout": 120.0
 }

src/bot.py

@@ -5,6 +5,7 @@ import re
 import sys
 import traceback
 from typing import Union, Optional
+import aiofiles.os
 
 import httpx
 
@@ -33,6 +34,7 @@ from send_image import send_room_image
 from send_message import send_room_message
 from flowise import flowise_query
 from gptbot import Chatbot
+import imagegen
 
 logger = getlogger()
 DEVICE_NAME = "MatrixChatGPTBot"
@@ -61,6 +63,8 @@ class Bot:
         temperature: Union[float, None] = None,
         flowise_api_url: Optional[str] = None,
         flowise_api_key: Optional[str] = None,
+        image_generation_endpoint: Optional[str] = None,
+        image_generation_backend: Optional[str] = None,
         timeout: Union[float, None] = None,
     ):
         if homeserver is None or user_id is None or device_id is None:
@@ -71,6 +75,14 @@ class Bot:
             logger.warning("password is required")
             sys.exit(1)
 
+        if image_generation_endpoint and image_generation_backend not in [
+            "openai",
+            "sdwui",
+            None,
+        ]:
+            logger.warning("image_generation_backend must be openai or sdwui")
+            sys.exit(1)
+
         self.homeserver: str = homeserver
         self.user_id: str = user_id
         self.password: str = password
@@ -98,11 +110,16 @@ class Bot:
         self.import_keys_password: str = import_keys_password
         self.flowise_api_url: str = flowise_api_url
         self.flowise_api_key: str = flowise_api_key
+        self.image_generation_endpoint: str = image_generation_endpoint
+        self.image_generation_backend: str = image_generation_backend
 
         self.timeout: float = timeout or 120.0
 
         self.base_path = Path(os.path.dirname(__file__)).parent
 
+        if not os.path.exists(self.base_path / "images"):
+            os.mkdir(self.base_path / "images")
+
         self.httpx_client = httpx.AsyncClient(
             follow_redirects=True,
             timeout=self.timeout,
@@ -270,6 +287,23 @@ class Bot:
                 except Exception as e:
                     logger.error(e, exc_info=True)
 
+            # !pic command
+            p = self.pic_prog.match(content_body)
+            if p:
+                prompt = p.group(1)
+                try:
+                    asyncio.create_task(
+                        self.pic(
+                            room_id,
+                            prompt,
+                            reply_to_event_id,
+                            sender_id,
+                            raw_user_message,
+                        )
+                    )
+                except Exception as e:
+                    logger.error(e, exc_info=True)
+
             # help command
             h = self.help_prog.match(content_body)
             if h:
@@ -523,9 +557,7 @@ class Bot:
             logger.info(estr)
 
     # !chat command
-    async def chat(
-        self, room_id, reply_to_event_id, prompt, sender_id, raw_user_message
-    ):
+    async def chat(self, room_id, reply_to_event_id, prompt, sender_id, user_message):
         try:
             await self.client.room_typing(room_id, timeout=int(self.timeout) * 1000)
             content = await self.chatbot.ask_async(
@@ -538,16 +570,17 @@ class Bot:
                 reply_message=content,
                 reply_to_event_id=reply_to_event_id,
                 sender_id=sender_id,
-                user_message=raw_user_message,
+                user_message=user_message,
             )
-        except Exception:
+        except Exception as e:
+            logger.error(e, exc_info=True)
             await self.send_general_error_message(
-                room_id, reply_to_event_id, sender_id, raw_user_message
+                room_id, reply_to_event_id, sender_id, user_message
             )
 
     # !gpt command
     async def gpt(
-        self, room_id, reply_to_event_id, prompt, sender_id, raw_user_message
+        self, room_id, reply_to_event_id, prompt, sender_id, user_message
     ) -> None:
         try:
             # sending typing state, seconds to milliseconds
@@ -562,17 +595,17 @@ class Bot:
                 reply_message=responseMessage.strip(),
                 reply_to_event_id=reply_to_event_id,
                 sender_id=sender_id,
-                user_message=raw_user_message,
+                user_message=user_message,
             )
         except Exception as e:
+            logger.error(e, exc_info=True)
             await self.send_general_error_message(
-                room_id, reply_to_event_id, sender_id, raw_user_message
+                room_id, reply_to_event_id, sender_id, user_message
             )
-            logger.error(e)
 
     # !lc command
     async def lc(
-        self, room_id, reply_to_event_id, prompt, sender_id, raw_user_message
+        self, room_id, reply_to_event_id, prompt, sender_id, user_message
     ) -> None:
         try:
             # sending typing state
@@ -592,11 +625,12 @@ class Bot:
                 reply_message=responseMessage.strip(),
                 reply_to_event_id=reply_to_event_id,
                 sender_id=sender_id,
-                user_message=raw_user_message,
+                user_message=user_message,
             )
-        except Exception:
+        except Exception as e:
+            logger.error(e, exc_info=True)
             await self.send_general_error_message(
-                room_id, reply_to_event_id, sender_id, raw_user_message
+                room_id, reply_to_event_id, sender_id, user_message
             )
 
     # !new command
@@ -605,7 +639,7 @@ class Bot:
         room_id,
         reply_to_event_id,
         sender_id,
-        raw_user_message,
+        user_message,
         new_command,
     ) -> None:
         try:
@@ -623,32 +657,58 @@ class Bot:
                 reply_message=content,
                 reply_to_event_id=reply_to_event_id,
                 sender_id=sender_id,
-                user_message=raw_user_message,
+                user_message=user_message,
             )
-        except Exception:
+        except Exception as e:
+            logger.error(e, exc_info=True)
             await self.send_general_error_message(
-                room_id, reply_to_event_id, sender_id, raw_user_message
+                room_id, reply_to_event_id, sender_id, user_message
             )
 
     # !pic command
-    async def pic(self, room_id, prompt, replay_to_event_id):
+    async def pic(self, room_id, prompt, replay_to_event_id, sender_id, user_message):
         try:
-            await self.client.room_typing(room_id, timeout=int(self.timeout) * 1000)
-            # generate image
-            links = await self.imageGen.get_images(prompt)
-            image_path_list = await self.imageGen.save_images(
-                links, self.base_path / "images", self.output_four_images
-            )
-            # send image
-            for image_path in image_path_list:
-                await send_room_image(self.client, room_id, image_path)
-            await self.client.room_typing(room_id, typing_state=False)
+            if self.image_generation_endpoint is not None:
+                await self.client.room_typing(room_id, timeout=int(self.timeout) * 1000)
+                # generate image
+                b64_datas = await imagegen.get_images(
+                    self.httpx_client,
+                    self.image_generation_endpoint,
+                    prompt,
+                    self.image_generation_backend,
+                    timeount=self.timeout,
+                    api_key=self.openai_api_key,
+                    n=1,
+                    size="256x256",
+                )
+                image_path_list = await asyncio.to_thread(
+                    imagegen.save_images,
+                    b64_datas,
+                    self.base_path / "images",
+                )
+                # send image
+                for image_path in image_path_list:
+                    await send_room_image(self.client, room_id, image_path)
+                    await aiofiles.os.remove(image_path)
+                await self.client.room_typing(room_id, typing_state=False)
+            else:
+                await send_room_message(
+                    self.client,
+                    room_id,
+                    reply_message="Image generation endpoint not provided",
+                    reply_to_event_id=replay_to_event_id,
+                    sender_id=sender_id,
+                    user_message=user_message,
+                )
         except Exception as e:
+            logger.error(e, exc_info=True)
             await send_room_message(
                 self.client,
                 room_id,
-                reply_message=str(e),
+                reply_message="Image generation failed",
                 reply_to_event_id=replay_to_event_id,
+                user_message=user_message,
+                sender_id=sender_id,
             )
 
     # !help command

src/imagegen.py

@@ -0,0 +1,69 @@
+import httpx
+from pathlib import Path
+import uuid
+import base64
+import io
+from PIL import Image
+
+
+async def get_images(
+    aclient: httpx.AsyncClient, url: str, prompt: str, backend_type: str, **kwargs
+) -> list[str]:
+    timeout = kwargs.get("timeout", 120.0)
+    if backend_type == "openai":
+        resp = await aclient.post(
+            url,
+            headers={
+                "Content-Type": "application/json",
+                "Authorization": "Bearer " + kwargs.get("api_key"),
+            },
+            json={
+                "prompt": prompt,
+                "n": kwargs.get("n", 1),
+                "size": kwargs.get("size", "256x256"),
+                "response_format": "b64_json",
+            },
+            timeout=timeout,
+        )
+        if resp.status_code == 200:
+            b64_datas = []
+            for data in resp.json()["data"]:
+                b64_datas.append(data["b64_json"])
+            return b64_datas
+        else:
+            raise Exception(
+                f"{resp.status_code} {resp.reason_phrase} {resp.text}",
+            )
+    elif backend_type == "sdwui":
+        resp = await aclient.post(
+            url,
+            headers={
+                "Content-Type": "application/json",
+            },
+            json={
+                "prompt": prompt,
+                "sampler_name": kwargs.get("sampler_name", "Euler a"),
+                "batch_size": kwargs.get("n", 1),
+                "steps": kwargs.get("steps", 20),
+                "width": 256 if "256" in kwargs.get("size") else 512,
+                "height": 256 if "256" in kwargs.get("size") else 512,
+            },
+            timeout=timeout,
+        )
+        if resp.status_code == 200:
+            b64_datas = resp.json()["images"]
+            return b64_datas
+        else:
+            raise Exception(
+                f"{resp.status_code} {resp.reason_phrase} {resp.text}",
+            )
+
+
+def save_images(b64_datas: list[str], path: Path, **kwargs) -> list[str]:
+    images = []
+    for b64_data in b64_datas:
+        image_path = path / (str(uuid.uuid4()) + ".jpeg")
+        img = Image.open(io.BytesIO(base64.decodebytes(bytes(b64_data, "utf-8"))))
+        img.save(image_path)
+        images.append(image_path)
+    return images

src/main.py

@@ -42,6 +42,8 @@ async def main():
             temperature=float(config.get("temperature")),
             flowise_api_url=config.get("flowise_api_url"),
             flowise_api_key=config.get("flowise_api_key"),
+            image_generation_endpoint=config.get("image_generation_endpoint"),
+            image_generation_backend=config.get("image_generation_backend"),
             timeout=float(config.get("timeout")),
         )
         if (
@@ -71,6 +73,8 @@ async def main():
             temperature=float(os.environ.get("TEMPERATURE")),
             flowise_api_url=os.environ.get("FLOWISE_API_URL"),
             flowise_api_key=os.environ.get("FLOWISE_API_KEY"),
+            image_generation_endpoint=os.environ.get("IMAGE_GENERATION_ENDPOINT"),
+            image_generation_backend=os.environ.get("IMAGE_GENERATION_BACKEND"),
             timeout=float(os.environ.get("TIMEOUT")),
         )
         if (