open-webui/backend/main.py
2024-02-23 00:30:26 -08:00

155 lines
4.3 KiB
Python

from bs4 import BeautifulSoup
import json
import markdown
import time
from fastapi import FastAPI, Request
from fastapi.staticfiles import StaticFiles
from fastapi import HTTPException
from fastapi.middleware.wsgi import WSGIMiddleware
from fastapi.middleware.cors import CORSMiddleware
from starlette.exceptions import HTTPException as StarletteHTTPException
from apps.ollama.main import app as ollama_app
from apps.openai.main import app as openai_app
from apps.audio.main import app as audio_app
from apps.images.main import app as images_app
from apps.rag.main import app as rag_app
from apps.web.main import app as webui_app
from config import ENV, VERSION, FRONTEND_BUILD_DIR
class SPAStaticFiles(StaticFiles):
async def get_response(self, path: str, scope):
try:
return await super().get_response(path, scope)
except (HTTPException, StarletteHTTPException) as ex:
if ex.status_code == 404:
return await super().get_response("index.html", scope)
else:
raise ex
app = FastAPI(docs_url="/docs" if ENV == "dev" else None, redoc_url=None)
origins = ["*"]
app.add_middleware(
CORSMiddleware,
allow_origins=origins,
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
@app.middleware("http")
async def check_url(request: Request, call_next):
start_time = int(time.time())
response = await call_next(request)
process_time = int(time.time()) - start_time
response.headers["X-Process-Time"] = str(process_time)
return response
app.mount("/api/v1", webui_app)
app.mount("/ollama/api", ollama_app)
app.mount("/openai/api", openai_app)
app.mount("/images/api/v1", images_app)
app.mount("/audio/api/v1", audio_app)
app.mount("/rag/api/v1", rag_app)
@app.get("/api/config")
async def get_app_config():
return {
"status": True,
"version": VERSION,
"images": images_app.state.ENABLED,
"default_models": webui_app.state.DEFAULT_MODELS,
"default_prompt_suggestions": webui_app.state.DEFAULT_PROMPT_SUGGESTIONS,
}
# Function to parse each section
def parse_section(section):
items = []
for li in section.find_all("li"):
# Extract raw HTML string
raw_html = str(li)
# Extract text without HTML tags
text = li.get_text(separator=" ", strip=True)
# Split into title and content
parts = text.split(": ", 1)
title = parts[0].strip() if len(parts) > 1 else ""
content = parts[1].strip() if len(parts) > 1 else text
items.append({"title": title, "content": content, "raw": raw_html})
return items
@app.get("/api/changelog")
async def get_app_changelog():
try:
with open("../CHANGELOG.md", "r") as file:
changelog_content = file.read()
# Convert markdown content to HTML
html_content = markdown.markdown(changelog_content)
# Parse the HTML content
soup = BeautifulSoup(html_content, "html.parser")
print(soup)
# Initialize JSON structure
changelog_json = {}
# Iterate over each version
for version in soup.find_all("h2"):
version_number = (
version.get_text().strip().split(" - ")[0][1:-1]
) # Remove brackets
date = version.get_text().strip().split(" - ")[1]
version_data = {"date": date}
# Find the next sibling that is a h3 tag (section title)
current = version.find_next_sibling()
print(current)
while current and current.name != "h2":
if current.name == "h3":
section_title = current.get_text().lower() # e.g., "added", "fixed"
section_items = parse_section(current.find_next_sibling("ul"))
version_data[section_title] = section_items
# Move to the next element
current = current.find_next_sibling()
changelog_json[version_number] = version_data
# print(changelog_json)
# Return content as JSON string
return changelog_json
except FileNotFoundError:
return {"error": "readme.md not found"}
except Exception as e:
return {"error": f"An error occurred: {e}"}
app.mount(
"/",
SPAStaticFiles(directory=FRONTEND_BUILD_DIR, html=True),
name="spa-static-files",
)