Files
bearhub/fpakman/core/flatpak/controller.py
2019-08-06 15:46:40 -03:00

206 lines
8.0 KiB
Python

import os
import shutil
from argparse import Namespace
from datetime import datetime
from typing import List, Dict
from fpakman.core import disk
from fpakman.core.controller import ApplicationManager
from fpakman.core.disk import DiskCacheLoader
from fpakman.core.flatpak import flatpak
from fpakman.core.flatpak.model import FlatpakApplication
from fpakman.core.flatpak.worker import FlatpakAsyncDataLoader, FlatpakUpdateLoader
from fpakman.core.model import ApplicationData, ApplicationUpdate
from fpakman.core.system import FpakmanProcess
from fpakman.util.cache import Cache
class FlatpakManager(ApplicationManager):
def __init__(self, app_args: Namespace, api_cache: Cache, disk_cache: bool, http_session, locale_keys: dict):
super(FlatpakManager, self).__init__(app_args=app_args, locale_keys=locale_keys)
self.api_cache = api_cache
self.http_session = http_session
self.disk_cache = disk_cache
def get_app_type(self):
return FlatpakApplication
def _map_to_model(self, app_json: dict, installed: bool, disk_loader: DiskCacheLoader) -> FlatpakApplication:
app = FlatpakApplication(arch=app_json.get('arch'),
branch=app_json.get('branch'),
origin=app_json.get('origin'),
runtime=app_json.get('runtime'),
ref=app_json.get('ref'),
commit=app_json.get('commit'),
base_data=ApplicationData(id=app_json.get('id'),
name=app_json.get('name'),
version=app_json.get('version'),
latest_version=app_json.get('latest_version')))
app.installed = installed
api_data = self.api_cache.get(app_json['id'])
expired_data = api_data and api_data.get('expires_at') and api_data['expires_at'] <= datetime.utcnow()
if not api_data or expired_data:
if not app_json['runtime']:
if disk_loader:
disk_loader.add(app) # preloading cached disk data
FlatpakAsyncDataLoader(app=app, api_cache=self.api_cache, manager=self, http_session=self.http_session).start()
else:
app.fill_cached_data(api_data)
return app
def search(self, word: str, disk_loader: DiskCacheLoader) -> Dict[str, List[FlatpakApplication]]:
res = {'installed': [], 'new': []}
apps_found = flatpak.search(word)
if apps_found:
already_read = set()
installed_apps = self.read_installed(disk_loader=disk_loader)
if installed_apps:
for app_found in apps_found:
for installed_app in installed_apps:
if app_found['id'] == installed_app.base_data.id:
res['installed'].append(installed_app)
already_read.add(app_found['id'])
if len(apps_found) > len(already_read):
for app_found in apps_found:
if app_found['id'] not in already_read:
res['new'].append(self._map_to_model(app_found, False, disk_loader))
return res
def read_installed(self, disk_loader: DiskCacheLoader) -> List[FlatpakApplication]:
installed = flatpak.list_installed()
models = []
if installed:
available_updates = flatpak.list_updates_as_str()
for app_json in installed:
model = self._map_to_model(app_json=app_json, installed=True, disk_loader=disk_loader)
model.update = app_json['id'] in available_updates
models.append(model)
return models
def can_downgrade(self):
return True
def downgrade_app(self, app: FlatpakApplication, root_password: str) -> FpakmanProcess:
commits = flatpak.get_app_commits(app.ref, app.origin)
commit_idx = commits.index(app.commit)
# downgrade is not possible if the app current commit in the first one:
if commit_idx == len(commits) - 1:
return None
return FpakmanProcess(subproc=flatpak.downgrade_and_stream(app.ref, commits[commit_idx + 1], root_password),
success_phrase='Updates complete.')
def clean_cache_for(self, app: FlatpakApplication):
self.api_cache.delete(app.base_data.id)
if app.supports_disk_cache() and os.path.exists(app.get_disk_cache_path()):
shutil.rmtree(app.get_disk_cache_path())
def update_and_stream(self, app: FlatpakApplication) -> FpakmanProcess:
return FpakmanProcess(subproc=flatpak.update_and_stream(app.ref))
def uninstall_and_stream(self, app: FlatpakApplication, root_password: str = None) -> FpakmanProcess:
return FpakmanProcess(subproc=flatpak.uninstall_and_stream(app.ref))
def get_info(self, app: FlatpakApplication) -> dict:
app_info = flatpak.get_app_info_fields(app.base_data.id, app.branch)
app_info['name'] = app.base_data.name
app_info['type'] = 'runtime' if app.runtime else 'app'
app_info['description'] = app.base_data.description
return app_info
def get_history(self, app: FlatpakApplication) -> List[dict]:
return flatpak.get_app_commits_data(app.ref, app.origin)
def install_and_stream(self, app: FlatpakApplication, root_password: str) -> FpakmanProcess:
return FpakmanProcess(subproc=flatpak.install_and_stream(app.base_data.id, app.origin))
def is_enabled(self):
return flatpak.is_installed()
def cache_to_disk(self, app: FlatpakApplication, icon_bytes: bytes, only_icon: bool):
if self.disk_cache and app.supports_disk_cache():
disk.save(app, icon_bytes, only_icon)
def requires_root(self, action: str, app: FlatpakApplication):
return action == 'downgrade'
def refresh(self, app: FlatpakApplication, root_password: str) -> FpakmanProcess:
raise Exception("'refresh' is not supported for {}".format(app.__class__.__name__))
def prepare(self):
pass
def list_updates(self) -> List[ApplicationUpdate]:
updates = []
installed = flatpak.list_installed(extra_fields=False)
if installed:
available_updates = flatpak.list_updates_as_str()
if available_updates:
loaders = None
for app_json in installed:
if app_json['id'] in available_updates:
loader = FlatpakUpdateLoader(app=app_json, http_session=self.http_session)
loader.start()
if loaders is None:
loaders = []
loaders.append(loader)
if loaders:
for loader in loaders:
loader.join()
app = loader.app
updates.append(ApplicationUpdate(app_id='{}:{}'.format(app['id'], app['branch']),
app_type='flatpak',
version=app.get('version')))
return updates
def list_warnings(self) -> List[str]:
if flatpak.is_installed():
if not flatpak.has_remotes_set():
return [self.locale_keys['flatpak.notification.no_remotes']]
def list_suggestions(self, limit: int) -> List[FlatpakApplication]:
res = []
if limit != 0:
for app_id in ('com.spotify.Client', 'com.skype.Client', 'com.dropbox.Client', 'us.zoom.Zoom', 'com.visualstudio.code', 'org.telegram.desktop', 'org.inkscape.Inkscape', 'org.libretro.RetroArch', 'org.kde.kdenlive', 'org.videolan.VLC'):
app_json = flatpak.search(app_id, app_id=True)
if app_json:
res.append(self._map_to_model(app_json[0], False, None))
if len(res) == limit:
break
return res