altlinux-autorepacked/autorepacked/main.py
2024-01-21 12:41:50 +03:00

124 lines
3.3 KiB
Python

import datetime
import json
import os
import importlib
from contextlib import asynccontextmanager
from fastapi import BackgroundTasks, FastAPI
import uvicorn
from fastapi_utils.tasks import repeat_every
from autorepacked import utils
from autorepacked.common_providers.base_provider import BaseProvider
from autorepacked.config import Config
def create_repo(config: Config):
utils.epm([
'repo',
'create',
config.get('repo_path')
])
def update_cache():
utils.epm(['update'])
def update_epm():
utils.epm(['ei'])
@asynccontextmanager
async def lifespan(app: FastAPI):
await update_repeat()
yield
config = Config()
app = FastAPI(lifespan=lifespan, root_path=config.get('root_path'))
update_task_started = False
def update():
json_file_path = os.path.join(config.get('repo_path'), 'data.json')
if not os.path.exists(json_file_path):
with open(json_file_path, 'w') as data_file:
json.dump({'versions': {}}, data_file, indent=4)
with open(json_file_path, 'r') as data_file:
repo_data = json.load(data_file)
global update_task_started
if 'last_version_check' in repo_data:
last_version_check = datetime.datetime.fromisoformat(repo_data['last_version_check'])
if datetime.datetime.now() - datetime.timedelta(minutes=5) < last_version_check:
update_task_started = False
return
update_cache()
update_epm()
providers_path = os.path.join(os.getcwd(), 'autorepacked/providers')
modules = os.listdir(providers_path)
versions = repo_data['versions']
need_update_index = False
for module_name in modules:
module = importlib.import_module(f'providers.{module_name}')
if hasattr(module, 'get_provider'):
provider = module.get_provider(config) # type: BaseProvider
if not provider.disabled:
name = provider.get_name()
print(f"request version of {name}")
version = provider.get_version()
if name not in versions or versions[name] != version:
print(f'{name} has new version {version}')
versions[name] = version
provider.download()
need_update_index = True
repo_data['versions'] = versions
current_date = datetime.datetime.utcnow()
if need_update_index:
utils.epm(
args=[
'repo',
'index',
config.get('repo_path'),
]
)
repo_data['last_index_update'] = current_date.isoformat()
repo_data['last_version_check'] = current_date.isoformat()
with open(json_file_path, 'w') as data_file:
json.dump(repo_data, data_file, indent=4)
update_task_started = False
@app.post("/update")
def update_method(background_tasks: BackgroundTasks):
global update_task_started
if not update_task_started:
update_task_started = True
background_tasks.add_task(update)
return {'status': 'OK'}
@repeat_every(seconds=60 * 60 * 4)
def update_repeat():
global update_task_started
if not update_task_started:
update_task_started = True
update()
if __name__ == "__main__":
create_repo(config)
uvicorn.run(app, host="0.0.0.0", port=8000)