mirror of
https://github.com/spalencsar/bearhub.git
synced 2026-07-07 12:54:15 +02:00
143 lines
5.1 KiB
Python
143 lines
5.1 KiB
Python
import traceback
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from io import StringIO
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from threading import Thread
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from typing import List
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import requests
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from colorama import Fore
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from fpakman.core.constants import FLATHUB_API_URL, FLATHUB_URL
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from fpakman.core.controller import ApplicationManager
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from fpakman.core.model import FlatpakApplication, ApplicationStatus
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from fpakman.util.cache import Cache
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class FlatpakAsyncDataLoader(Thread):
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def __init__(self, manager: ApplicationManager, http_session, api_cache: Cache, attempts: int = 3, apps: List[FlatpakApplication] = []):
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super(FlatpakAsyncDataLoader, self).__init__(daemon=True)
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self.apps = apps
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self.http_session = http_session
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self.attempts = attempts
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self.api_cache = api_cache
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self.id_ = '{}#{}'.format(self.__class__.__name__, id(self))
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self.stop = False
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self.to_persist = {} # stores all data loaded by the instance
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self.manager = manager
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def log_msg(self, msg: str, color: int = None):
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final_msg = StringIO()
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if color:
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final_msg.write(str(color))
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final_msg.write('[{}] '.format(self.id_))
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final_msg.write(msg)
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if color:
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final_msg.write(Fore.RESET)
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final_msg.seek(0)
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print(final_msg.read())
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def run(self):
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while True:
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if self.apps:
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app = self.apps[0]
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app.status = ApplicationStatus.LOADING_DATA
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for _ in range(0, self.attempts):
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try:
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res = self.http_session.get('{}/apps/{}'.format(FLATHUB_API_URL, app.base_data.id), timeout=30)
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if res.status_code == 200 and res.text:
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data = res.json()
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if not app.base_data.version:
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app.base_data.version = data.get('version')
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if not app.base_data.name:
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app.base_data.name = data.get('name')
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app.base_data.description = data.get('description', data.get('summary', None))
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app.base_data.icon_url = data.get('iconMobileUrl', None)
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app.base_data.latest_version = data.get('currentReleaseVersion', app.base_data.version)
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if not app.base_data.version and app.base_data.latest_version:
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app.base_data.version = app.base_data.latest_version
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if app.base_data.icon_url and app.base_data.icon_url.startswith('/'):
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app.base_data.icon_url = FLATHUB_URL + app.base_data.icon_url
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loaded_data = app.get_data_to_cache()
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self.api_cache.add(app.base_data.id, loaded_data)
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app.status = ApplicationStatus.READY
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if app.supports_disk_cache():
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self.to_persist[app.base_data.id] = app
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break
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else:
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self.log_msg(
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"Could not retrieve app data for id '{}'. Server response: {}. Body: {}".format(
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app.base_data.id, res.status_code, res.content.decode()), Fore.RED)
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except:
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self.log_msg("Could not retrieve app data for id '{}'".format(app.base_data.id), Fore.YELLOW)
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traceback.print_exc()
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if self.apps:
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del self.apps[0]
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elif self.stop:
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self.cache_to_disk()
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break # stop working
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def add(self, app: FlatpakApplication):
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self.apps.append(app)
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def current_load(self):
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return len(self.apps)
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def cache_to_disk(self):
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if self.to_persist:
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for app in self.to_persist.values():
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self.manager.cache_to_disk(app=app, icon_bytes=None, only_icon=False)
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self.to_persist = {}
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class FlatpakAsyncDataLoaderManager:
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def __init__(self, manager: ApplicationManager, api_cache: Cache, worker_load: int = 1, workers: List[FlatpakAsyncDataLoader] = []):
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self.worker_load = worker_load
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self.current_workers = workers
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self.http_session = requests.Session()
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self.api_cache = api_cache
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self.manager = manager
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def load(self, app: FlatpakApplication):
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available_workers = [w for w in self.current_workers if w.current_load() < self.worker_load]
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if available_workers:
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worker = available_workers[0]
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else: # new worker
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worker = FlatpakAsyncDataLoader(http_session=self.http_session,
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api_cache=self.api_cache,
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manager=self.manager)
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worker.start()
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self.current_workers.append(worker)
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worker.add(app)
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def stop_current_workers(self):
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for w in self.current_workers:
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w.stop = True
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self.current_workers = []
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