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lollms/server/endpoints/lollms_tti.py

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+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+from typing import Optional
+from base64 import b64encode
+import io
+from PIL import Image
+from fastapi import APIRouter, Request
+from lollms_webui import LOLLMSWebUI
+from pydantic import BaseModel
+from starlette.responses import StreamingResponse
+from lollms.types import MSG_OPERATION_TYPE
+from lollms.utilities import detect_antiprompt, remove_text_from_string, trace_exception
+from lollms.security import sanitize_path
+from ascii_colors import ASCIIColors
+from lollms.databases.discussions_database import DiscussionsDB, Discussion
+from lollms.security import check_access
+from typing import List
+
+from lollms.utilities import PackageManager, find_first_available_file_index, discussion_path_to_url
+from lollms.client_session import Client
+from lollms.personality import APScript
+if not PackageManager.check_package_installed("pyautogui"):
+    PackageManager.install_package("pyautogui")
+if not PackageManager.check_package_installed("PyQt5"):
+    PackageManager.install_package("PyQt5")
+from ascii_colors import trace_exception
+from functools import partial
+from lollms.functions.prompting.image_gen_prompts import get_image_gen_prompt, get_random_image_gen_prompt
+
+
+router = APIRouter()
+lollmsElfServer = LOLLMSWebUI.get_instance()
+
+class ImageRequest(BaseModel):
+    prompt: str
+    negative_prompt: Optional[str] = ""
+    width: int = 512
+    height: int = 512
+
+class ImageResponse(BaseModel):
+    image: str
+
+@router.post("/generate_image", response_model=ImageResponse)
+async def generate_image(request: ImageRequest):
+    try:
+        import uuid
+
+        filename = f"remote_gen_{uuid.uuid4().hex[:8]}.png"
+        output_path = lollmsElfServer.lollms_paths.personal_outputs_path/filename        
+        # Call the build_image function
+        result = build_image(
+            request.prompt,
+            request.negative_prompt,
+            request.width,
+            request.height,
+            return_format="path",
+            output_path=output_path
+        )
+
+        # Check if image generation was successful
+        if result is None:
+            raise HTTPException(status_code=500, detail="Image generation failed")
+
+        # Open the image file
+        with Image.open(result) as img:
+            # Convert the image to RGB mode (in case it's RGBA)
+            img = img.convert("RGB")
+            
+            # Save the image to a bytes buffer
+            buf = io.BytesIO()
+            img.save(buf, format="JPEG")
+            
+            # Encode the image as base64
+            img_base64 = b64encode(buf.getvalue()).decode()
+
+        # Return the base64 encoded image
+        return ImageResponse(image=img_base64)
+
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+def build_image(prompt, negative_prompt, width, height, return_format="markdown", output_path =None):
+    try:
+        import uuid
+        if output_path is None:
+            filename = f"remote_gen_{uuid.uuid4().hex[:8]}.png"
+            output_path = lollmsElfServer.lollms_paths.personal_outputs_path/filename
+
+        if lollmsElfServer.tti is not None:
+            file, infos = lollmsElfServer.tti.paint(
+                prompt,
+                negative_prompt,
+                width=width,
+                height=height,
+                output_path=output_path
+            )
+
+        file = str(file)
+
+        if return_format == "path":
+            return file
+        else:
+            return None  # Handle other return formats if needed
+    except Exception as ex:
+        # Log the exception
+        print(f"Error in build_image: {str(ex)}")
+        return None