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from pathlib import Path
import site
from fastapi import APIRouter, UploadFile, File, Response
from fastapi import Depends, HTTPException, status
from starlette.responses import StreamingResponse, FileResponse
from pydantic import BaseModel
from fpdf import FPDF
import markdown
import black
from utils.utils import get_admin_user
from utils.misc import calculate_sha256, get_gravatar_url
from config import OLLAMA_BASE_URLS, DATA_DIR, UPLOAD_DIR, ENABLE_ADMIN_EXPORT
from constants import ERROR_MESSAGES
router = APIRouter()
@router.get("/gravatar")
async def get_gravatar(
email: str,
):
return get_gravatar_url(email)
class CodeFormatRequest(BaseModel):
code: str
@router.post("/code/format")
async def format_code(request: CodeFormatRequest):
try:
formatted_code = black.format_str(request.code, mode=black.Mode())
return {"code": formatted_code}
except black.NothingChanged:
return {"code": request.code}
except Exception as e:
raise HTTPException(status_code=400, detail=str(e))
class MarkdownForm(BaseModel):
md: str
@router.post("/markdown")
async def get_html_from_markdown(
form_data: MarkdownForm,
):
return {"html": markdown.markdown(form_data.md)}
class ChatForm(BaseModel):
title: str
messages: list[dict]
@router.post("/pdf")
async def download_chat_as_pdf(
form_data: ChatForm,
):
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"
# When running using `pip install -e .` the static directory is in the site packages.
# This path only works if `open-webui serve` is run from the root of this project.
if not FONTS_DIR.exists():
FONTS_DIR = Path("./backend/static/fonts")
pdf.add_font("NotoSans", "", f"{FONTS_DIR}/NotoSans-Regular.ttf")
pdf.add_font("NotoSans", "b", f"{FONTS_DIR}/NotoSans-Bold.ttf")
pdf.add_font("NotoSans", "i", f"{FONTS_DIR}/NotoSans-Italic.ttf")
pdf.add_font("NotoSansKR", "", f"{FONTS_DIR}/NotoSansKR-Regular.ttf")
pdf.add_font("NotoSansJP", "", f"{FONTS_DIR}/NotoSansJP-Regular.ttf")
pdf.set_font("NotoSans", size=12)
pdf.set_fallback_fonts(["NotoSansKR", "NotoSansJP"])
pdf.set_auto_page_break(auto=True, margin=15)
# Adjust the effective page width for multi_cell
effective_page_width = (
pdf.w - 2 * pdf.l_margin - 10
) # Subtracted an additional 10 for extra padding
# Add chat messages
for message in form_data.messages:
role = message["role"]
content = message["content"]
pdf.set_font("NotoSans", "B", size=14) # Bold for the role
pdf.multi_cell(effective_page_width, 10, f"{role.upper()}", 0, "L")
pdf.ln(1) # Extra space between messages
pdf.set_font("NotoSans", size=10) # Regular for content
pdf.multi_cell(effective_page_width, 6, content, 0, "L")
pdf.ln(1.5) # Extra space between messages
# Save the pdf with name .pdf
pdf_bytes = pdf.output()
return Response(
content=bytes(pdf_bytes),
media_type="application/pdf",
headers={"Content-Disposition": f"attachment;filename=chat.pdf"},
)
@router.get("/db/download")
async def download_db(user=Depends(get_admin_user)):
if not ENABLE_ADMIN_EXPORT:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
)
from apps.webui.internal.db import engine
if engine.name != "sqlite":
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DB_NOT_SQLITE,
)
return FileResponse(
engine.url.database,
media_type="application/octet-stream",
filename="webui.db",
)
@router.get("/litellm/config")
async def download_litellm_config_yaml(user=Depends(get_admin_user)):
return FileResponse(
f"{DATA_DIR}/litellm/config.yaml",
media_type="application/octet-stream",
filename="config.yaml",
)
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