fix: pdf download FONTS_DIR issue

backend/open_webui/apps/webui/routers/utils.py

@@ -4,6 +4,7 @@ from pathlib import Path
 import black
 import markdown
 from open_webui.config import DATA_DIR, ENABLE_ADMIN_EXPORT
+from open_webui.env import FONTS_DIR
 from open_webui.constants import ERROR_MESSAGES
 from fastapi import APIRouter, Depends, HTTPException, Response, status
 from fpdf import FPDF
@@ -57,14 +58,10 @@ class ChatForm(BaseModel):
 async def download_chat_as_pdf(
     form_data: ChatForm,
 ):
+    global FONTS_DIR
     pdf = FPDF()
     pdf.add_page()
 
-    # When running in docker, workdir is /app/backend, so fonts is in /app/backend/static/fonts
-    FONTS_DIR = Path("./static/fonts")
-
-    # Non Docker Installation
-
     # When running using `pip install` the static directory is in the site packages.
     if not FONTS_DIR.exists():
         FONTS_DIR = Path(site.getsitepackages()[0]) / "static/fonts"

backend/open_webui/env.py

@@ -198,6 +198,8 @@ if FROM_INIT_PY:
     DATA_DIR = Path(os.getenv("DATA_DIR", OPEN_WEBUI_DIR / "data"))
 
 
+FONTS_DIR = Path(os.getenv("FONTS_DIR", OPEN_WEBUI_DIR / "static" / "fonts"))
+
 FRONTEND_BUILD_DIR = Path(os.getenv("FRONTEND_BUILD_DIR", BASE_DIR / "build")).resolve()
 
 if FROM_INIT_PY: