| 1 | # Copyright (C) 2025 AIDC-AI |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | # you may not use this file except in compliance with the License. |
| 5 | # You may obtain a copy of the License at |
| 6 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 7 | # Unless required by applicable law or agreed to in writing, software |
| 8 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 9 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 10 | # See the License for the specific language governing permissions and |
| 11 | # limitations under the License. |
| 12 | |
| 13 | """ |
| 14 | Async helper functions for web UI |
| 15 | """ |
| 16 | |
| 17 | import asyncio |
| 18 | import sys |
| 19 | import tomllib |
| 20 | from pathlib import Path |
| 21 | |
| 22 | from loguru import logger |
| 23 | |
| 24 | |
| 25 | def run_async(coro): |
| 26 | """Run async coroutine in sync context""" |
| 27 | if sys.platform == "win32": |
| 28 | # Streamlit/Tornado may switch the global asyncio policy to |
| 29 | # WindowsSelectorEventLoopPolicy, which breaks subprocess-based |
| 30 | # libraries such as Playwright on Windows. Use an explicit |
| 31 | # Proactor loop here so this sync bridge does not depend on the |
| 32 | # ambient global policy. |
| 33 | loop = asyncio.ProactorEventLoop() |
| 34 | try: |
| 35 | return loop.run_until_complete(coro) |
| 36 | finally: |
| 37 | try: |
| 38 | from pixelle_video.services.frame_html import HTMLFrameGenerator |
| 39 | |
| 40 | loop.run_until_complete(HTMLFrameGenerator.close_browser()) |
| 41 | except Exception as e: |
| 42 | logger.debug(f"Failed to cleanup HTML frame browser before loop close: {e}") |
| 43 | loop.close() |
| 44 | return asyncio.run(coro) |
| 45 | |
| 46 | |
| 47 | def get_project_version(): |
| 48 | """Get project version from pyproject.toml""" |
| 49 | try: |
| 50 | # Get project root (web parent directory) |
| 51 | web_dir = Path(__file__).resolve().parent.parent |
| 52 | project_root = web_dir.parent |
| 53 | pyproject_path = project_root / "pyproject.toml" |
| 54 | |
| 55 | if pyproject_path.exists(): |
| 56 | with open(pyproject_path, "rb") as f: |
| 57 | pyproject_data = tomllib.load(f) |
| 58 | return pyproject_data.get("project", {}).get("version", "Unknown") |
| 59 | except Exception as e: |
| 60 | logger.warning(f"Failed to read version from pyproject.toml: {e}") |
| 61 | return "Unknown" |
| 62 | |
| 63 |