mirror of
https://github.com/spalencsar/bearhub.git
synced 2026-07-07 01:14:15 +02:00
292 lines
13 KiB
Python
292 lines
13 KiB
Python
import re
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import time
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from datetime import datetime
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from threading import Thread
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from typing import List, Set, Type
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from bauh.api.abstract.controller import SoftwareManager, SearchResult, ApplicationContext
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from bauh.api.abstract.disk import DiskCacheLoader
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from bauh.api.abstract.handler import ProcessWatcher
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from bauh.api.abstract.model import SoftwarePackage, PackageHistory, PackageUpdate, PackageSuggestion, \
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SuggestionPriority
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from bauh.api.abstract.view import SingleSelectComponent, SelectViewType, InputOption
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from bauh.commons.category import CategoriesDownloader
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from bauh.commons.html import bold
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from bauh.commons.system import SystemProcess, ProcessHandler, new_root_subprocess
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from bauh.gems.snap import snap, suggestions, URL_CATEGORIES_FILE, SNAP_CACHE_PATH, CATEGORIES_FILE_PATH
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from bauh.gems.snap.constants import SNAP_API_URL
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from bauh.gems.snap.model import SnapApplication
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from bauh.gems.snap.worker import SnapAsyncDataLoader
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RE_AVAILABLE_CHANNELS = re.compile(re.compile(r'(\w+)\s+(snap install.+)'))
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class SnapManager(SoftwareManager):
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def __init__(self, context: ApplicationContext):
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super(SnapManager, self).__init__(context=context)
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self.i18n = context.i18n
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self.api_cache = context.cache_factory.new()
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context.disk_loader_factory.map(SnapApplication, self.api_cache)
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self.enabled = True
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self.http_client = context.http_client
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self.logger = context.logger
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self.ubuntu_distro = context.distro == 'ubuntu'
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self.categories = {}
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self.categories_downloader = CategoriesDownloader('snap', self.http_client, self.logger, self, context.disk_cache,
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URL_CATEGORIES_FILE, SNAP_CACHE_PATH, CATEGORIES_FILE_PATH)
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self.suggestions_cache = context.cache_factory.new()
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def map_json(self, app_json: dict, installed: bool, disk_loader: DiskCacheLoader, internet: bool = True) -> SnapApplication:
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app = SnapApplication(publisher=app_json.get('publisher'),
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rev=app_json.get('rev'),
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notes=app_json.get('notes'),
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has_apps_field=app_json.get('apps_field', False),
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id=app_json.get('name'),
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name=app_json.get('name'),
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version=app_json.get('version'),
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latest_version=app_json.get('version'),
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description=app_json.get('description', app_json.get('summary')),
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verified_publisher=app_json.get('developer_validation', '') == 'verified')
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if app.publisher and app.publisher.endswith('*'):
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app.verified_publisher = True
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app.publisher = app.publisher.replace('*', '')
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categories = self.categories.get(app.name.lower())
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if categories:
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app.categories = categories
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app.installed = installed
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if not app.is_application():
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categories = app.categories
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if categories is None:
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categories = []
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app.categories = categories
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if 'runtime' not in categories:
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categories.append('runtime')
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api_data = self.api_cache.get(app_json['name'])
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expired_data = api_data and api_data.get('expires_at') and api_data['expires_at'] <= datetime.utcnow()
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if (not api_data or expired_data) and app.is_application():
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if disk_loader and app.installed:
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disk_loader.fill(app)
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if internet:
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SnapAsyncDataLoader(app=app, api_cache=self.api_cache, manager=self, context=self.context).start()
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else:
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app.fill_cached_data(api_data)
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return app
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def search(self, words: str, disk_loader: DiskCacheLoader, limit: int = -1, is_url: bool = False) -> SearchResult:
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if is_url:
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return SearchResult([], [], 0)
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if snap.is_snapd_running():
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installed = self.read_installed(disk_loader).installed
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res = SearchResult([], [], 0)
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for app_json in snap.search(words):
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already_installed = None
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if installed:
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already_installed = [i for i in installed if i.id == app_json.get('name')]
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already_installed = already_installed[0] if already_installed else None
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if already_installed:
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res.installed.append(already_installed)
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else:
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res.new.append(self.map_json(app_json, installed=False, disk_loader=disk_loader))
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res.total = len(res.installed) + len(res.new)
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return res
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else:
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return SearchResult([], [], 0)
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def read_installed(self, disk_loader: DiskCacheLoader, limit: int = -1, only_apps: bool = False, pkg_types: Set[Type[SoftwarePackage]] = None, internet_available: bool = None) -> SearchResult:
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if snap.is_snapd_running():
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self.categories_downloader.join()
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installed = [self.map_json(app_json, installed=True, disk_loader=disk_loader, internet=internet_available) for app_json in snap.read_installed(self.ubuntu_distro)]
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return SearchResult(installed, None, len(installed))
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else:
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return SearchResult([], None, 0)
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def downgrade(self, pkg: SnapApplication, root_password: str, watcher: ProcessWatcher) -> bool:
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return ProcessHandler(watcher).handle(SystemProcess(subproc=snap.downgrade_and_stream(pkg.name, root_password), wrong_error_phrase=None))
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def update(self, pkg: SnapApplication, root_password: str, watcher: ProcessWatcher) -> SystemProcess:
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raise Exception("'update' is not supported by {}".format(pkg.__class__.__name__))
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def uninstall(self, pkg: SnapApplication, root_password: str, watcher: ProcessWatcher) -> bool:
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return ProcessHandler(watcher).handle(SystemProcess(subproc=snap.uninstall_and_stream(pkg.name, root_password)))
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def get_managed_types(self) -> Set[Type[SoftwarePackage]]:
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return {SnapApplication}
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def clean_cache_for(self, pkg: SnapApplication):
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super(SnapManager, self).clean_cache_for(pkg)
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self.api_cache.delete(pkg.id)
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def get_info(self, pkg: SnapApplication) -> dict:
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info = snap.get_info(pkg.name, attrs=('license', 'contact', 'commands', 'snap-id', 'tracking', 'installed'))
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info['description'] = pkg.description
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info['publisher'] = pkg.publisher
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info['revision'] = pkg.rev
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info['name'] = pkg.name
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if info.get('commands'):
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info['commands'] = ' '.join(info['commands'])
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if info.get('license') and info['license'] == 'unset':
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del info['license']
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return info
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def get_history(self, pkg: SnapApplication) -> PackageHistory:
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raise Exception("'get_history' is not supported by {}".format(pkg.__class__.__name__))
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def install(self, pkg: SnapApplication, root_password: str, watcher: ProcessWatcher) -> bool:
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res, output = ProcessHandler(watcher).handle_simple(snap.install_and_stream(pkg.name, pkg.confinement, root_password))
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if 'error:' in output:
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res = False
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if 'not available on stable' in output:
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channels = RE_AVAILABLE_CHANNELS.findall(output)
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if channels:
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opts = [InputOption(label=c[0], value=c[1]) for c in channels]
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channel_select = SingleSelectComponent(type_=SelectViewType.RADIO, label='', options=opts, default_option=opts[0])
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body = '<p>{}.</p>'.format(self.i18n['snap.install.available_channels.message'].format(bold(self.i18n['stable']), bold(pkg.name)))
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body += '<p>{}:</p>'.format(self.i18n['snap.install.available_channels.help'])
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if watcher.request_confirmation(title=self.i18n['snap.install.available_channels.title'],
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body=body,
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components=[channel_select],
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confirmation_label=self.i18n['continue'],
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deny_label=self.i18n['cancel']):
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self.logger.info("Installing '{}' with the custom command '{}'".format(pkg.name, channel_select.value))
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res = ProcessHandler(watcher).handle(SystemProcess(new_root_subprocess(channel_select.value.value.split(' '), root_password=root_password)))
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if res:
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pkg.has_apps_field = snap.has_apps_field(pkg.name, self.ubuntu_distro)
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return res
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else:
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self.logger.error("Could not find available channels in the installation output: {}".format(output))
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else:
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pkg.has_apps_field = snap.has_apps_field(pkg.name, self.ubuntu_distro)
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return res
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def is_enabled(self) -> bool:
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return self.enabled
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def set_enabled(self, enabled: bool):
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self.enabled = enabled
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def can_work(self) -> bool:
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return snap.is_installed()
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def requires_root(self, action: str, pkg: SnapApplication):
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return action != 'search'
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def refresh(self, pkg: SnapApplication, root_password: str, watcher: ProcessWatcher) -> bool:
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return ProcessHandler(watcher).handle(SystemProcess(subproc=snap.refresh_and_stream(pkg.name, root_password)))
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def prepare(self):
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self.categories_downloader.start()
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def list_updates(self, internet_available: bool) -> List[PackageUpdate]:
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pass
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def list_warnings(self, internet_available: bool) -> List[str]:
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if snap.is_installed():
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if not snap.is_snapd_running():
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snap_bold = bold('Snap')
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return [self.i18n['snap.notification.snapd_unavailable'].format(bold('snapd'), snap_bold),
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self.i18n['snap.notification.snap.disable'].format(snap_bold, bold(self.i18n['manage_window.settings.gems']))]
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elif internet_available:
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available, output = snap.is_api_available()
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if not available:
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self.logger.warning('It seems Snap API is not available. Search output: {}'.format(output))
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return [self.i18n['snap.notifications.api.unavailable'].format(bold('Snaps'), bold('Snap'))]
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def _fill_suggestion(self, pkg_name: str, priority: SuggestionPriority, out: List[PackageSuggestion]):
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res = self.http_client.get_json(SNAP_API_URL + '/search?q=package_name:{}'.format(pkg_name))
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if res and res['_embedded']['clickindex:package']:
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pkg = res['_embedded']['clickindex:package'][0]
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pkg['rev'] = pkg['revision']
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pkg['name'] = pkg_name
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sug = PackageSuggestion(self.map_json(pkg, installed=False, disk_loader=None), priority)
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self.suggestions_cache.add(pkg_name, sug)
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out.append(sug)
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else:
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self.logger.warning("Could not retrieve suggestion '{}'".format(pkg_name))
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def list_suggestions(self, limit: int) -> List[PackageSuggestion]:
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res = []
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if snap.is_snapd_running():
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sugs = [(i, p) for i, p in suggestions.ALL.items()]
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sugs.sort(key=lambda t: t[1].value, reverse=True)
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threads = []
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self.categories_downloader.join()
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for sug in sugs:
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if limit <= 0 or len(res) < limit:
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cached_sug = self.suggestions_cache.get(sug[0])
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if cached_sug:
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res.append(cached_sug)
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else:
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t = Thread(target=self._fill_suggestion, args=(sug[0], sug[1], res))
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t.start()
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threads.append(t)
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time.sleep(0.001) # to avoid being blocked
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else:
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break
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for t in threads:
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t.join()
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res.sort(key=lambda s: s.priority.value, reverse=True)
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return res
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def is_default_enabled(self) -> bool:
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return True
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def launch(self, pkg: SnapApplication):
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snap.run(pkg, self.context.logger)
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def get_screenshots(self, pkg: SoftwarePackage) -> List[str]:
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res = self.http_client.get_json('{}/search?q={}'.format(SNAP_API_URL, pkg.name))
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if res:
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if res.get('_embedded') and res['_embedded'].get('clickindex:package'):
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snap_data = res['_embedded']['clickindex:package'][0]
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if snap_data.get('screenshot_urls'):
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return snap_data['screenshot_urls']
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else:
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self.logger.warning("No 'screenshots_urls' defined for {}".format(pkg))
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else:
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self.logger.error('It seems the API is returning a different response: {}'.format(res))
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else:
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self.logger.warning('Could not retrieve data for {}'.format(pkg))
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return []
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