[web] improvement -> environment settings being cached for 24 hours

bauh/gems/web/__init__.py

@@ -1,8 +1,8 @@
 import os
 from pathlib import Path
 
-from bauh.api.constants import DESKTOP_ENTRIES_DIR, CONFIG_PATH, TEMP_DIR
-from bauh.commons import user, resource
+from bauh.api.constants import DESKTOP_ENTRIES_DIR, CONFIG_PATH, TEMP_DIR, CACHE_PATH
+from bauh.commons import resource
 
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
 WEB_PATH = '{}/.local/share/bauh/web'.format(Path.home())
@@ -30,6 +30,8 @@ SEARCH_INDEX_FILE = '{}/index.yml'.format(TEMP_PATH)
 SUGGESTIONS_CACHE_FILE = '{}/suggestions.txt'.format(TEMP_PATH)
 CONFIG_FILE = '{}/web.yml'.format(CONFIG_PATH)
 URL_NATIVEFIER = 'https://github.com/jiahaog/nativefier/archive/v{version}.tar.gz'
+ENVIRONMENT_SETTINGS_CACHED_FILE = '{}/web/environment.yml'.format(CACHE_PATH)
+ENVIRONMENT_SETTINGS_TS_FILE = '{}/web/environment.ts'.format(CACHE_PATH)
 
 
 def get_icon_path() -> str:

bauh/gems/web/config.py

@@ -6,7 +6,8 @@ def read_config(update_file: bool = False) -> dict:
     default_config = {
         'environment': {
             'system': False,
-            'electron': {'version': None}
+            'electron': {'version': None},
+            'cache_exp': 1440
         }
     }
 

bauh/gems/web/controller.py

@@ -65,7 +65,6 @@ class WebApplicationManager(SoftwareManager):
                                               file_downloader=context.file_downloader, i18n=context.i18n)
         self.enabled = True
         self.i18n = context.i18n
-        self.env_settings = {}
         self.logger = context.logger
         self.env_thread = None
         self.suggestions_downloader = suggestions_downloader
@@ -207,8 +206,8 @@ class WebApplicationManager(SoftwareManager):
             return BeautifulSoup(url_res.text, 'lxml', parse_only=SoupStrainer('head')), url_res
 
     def search(self, words: str, disk_loader: DiskCacheLoader, limit: int = -1, is_url: bool = False) -> SearchResult:
-        local_config = {}
-        thread_config = Thread(target=self._fill_config_async, args=(local_config,))
+        web_config = {}
+        thread_config = Thread(target=self._fill_config_async, args=(web_config,))
         thread_config.start()
 
         res = SearchResult([], [], 0)
@@ -241,8 +240,11 @@ class WebApplicationManager(SoftwareManager):
 
                     app = WebApplication(url=final_url, source_url=url, name=name, description=desc, icon_url=icon_url)
 
-                    if self.env_settings.get('electron') and self.env_settings['electron'].get('version'):
-                        app.version = self.env_settings['electron']['version']
+                    thread_config.join()
+                    env_settings = self.env_updater.read_settings(web_config=web_config, cache=True)
+
+                    if env_settings.get('electron') and env_settings['electron'].get('version'):
+                        app.version = env_settings['electron']['version']
                         app.latest_version = app.version
 
                     res.new = [app]
@@ -295,6 +297,9 @@ class WebApplicationManager(SoftwareManager):
                             else:
                                 matched_suggestions.sort(key=lambda s: s.get('priority', 0), reverse=True)
 
+                                thread_config.join()
+                                env_settings = self.env_updater.read_settings(web_config=web_config, cache=True)
+
                                 if installed_matches:
                                     # checking if any of the installed matches is one of the matched suggestions
 
@@ -306,11 +311,11 @@ class WebApplicationManager(SoftwareManager):
                                         if found:
                                             res.installed.extend(found)
                                         else:
-                                            res.new.append(self._map_suggestion(sug).package)
+                                            res.new.append(self._map_suggestion(sug, env_settings).package)
 
                                 else:
                                     for sug in matched_suggestions:
-                                        res.new.append(self._map_suggestion(sug).package)
+                                        res.new.append(self._map_suggestion(sug, env_settings).package)
 
         res.total += len(res.installed)
         res.total += len(res.new)
@@ -318,9 +323,9 @@ class WebApplicationManager(SoftwareManager):
         if res.new:
             thread_config.join()
 
-            if local_config['environment']['electron']['version']:
+            if web_config['environment']['electron']['version']:
                 for app in res.new:
-                    app.version = str(local_config['environment']['electron']['version'])
+                    app.version = str(web_config['environment']['electron']['version'])
                     app.latest_version = app.version
 
         return res
@@ -332,7 +337,7 @@ class WebApplicationManager(SoftwareManager):
         else:
             self.logger.warning("No search index found at {}".format(SEARCH_INDEX_FILE))
 
-    def read_installed(self, disk_loader: DiskCacheLoader, limit: int = -1, only_apps: bool = False, pkg_types: Set[Type[SoftwarePackage]] = None, internet_available: bool = True) -> SearchResult:
+    def read_installed(self, disk_loader: Optional[DiskCacheLoader], limit: int = -1, only_apps: bool = False, pkg_types: Set[Type[SoftwarePackage]] = None, internet_available: bool = True) -> SearchResult:
         res = SearchResult([], [], 0)
 
         if os.path.exists(INSTALLED_PATH):
@@ -620,7 +625,6 @@ class WebApplicationManager(SoftwareManager):
             traceback.print_exc()
 
     def install(self, pkg: WebApplication, root_password: str, disk_loader: DiskCacheLoader, watcher: ProcessWatcher) -> TransactionResult:
-
         continue_install, install_options = self._ask_install_options(pkg, watcher)
         widevine_support = '--widevine' in install_options
 
@@ -630,16 +634,16 @@ class WebApplicationManager(SoftwareManager):
         watcher.change_substatus(self.i18n['web.env.checking'])
         handler = ProcessHandler(watcher)
 
-        env_settings = self.env_updater.read_settings()
-        local_config = read_config()
+        web_config = read_config()
+        env_settings = self.env_updater.read_settings(web_config=web_config)
 
-        if local_config['environment']['system'] and not nativefier.is_available():
+        if web_config['environment']['system'] and not nativefier.is_available():
             watcher.show_message(title=self.i18n['error'].capitalize(),
                                  body=self.i18n['web.install.global_nativefier.unavailable'].format(n=bold('Nativefier'), app=bold(pkg.name)) + '.',
                                  type_=MessageType.ERROR)
             return TransactionResult(success=False, installed=[], removed=[])
 
-        env_components = self.env_updater.check_environment(app=pkg, local_config=local_config, env=env_settings,
+        env_components = self.env_updater.check_environment(app=pkg, local_config=web_config, env=env_settings,
                                                             is_x86_x64_arch=self.context.is_system_x86_64(),
                                                             widevine=widevine_support)
 
@@ -695,7 +699,7 @@ class WebApplicationManager(SoftwareManager):
         electron_version = str(next((c for c in env_components if c.id == 'electron')).version)
         installed = handler.handle_simple(nativefier.install(url=pkg.url, name=app_id, output_dir=app_dir,
                                                              electron_version=electron_version if not widevine_support else None,
-                                                             system=bool(local_config['environment']['system']),
+                                                             system=bool(web_config['environment']['system']),
                                                              cwd=INSTALLED_PATH,
                                                              extra_options=install_options))
 
@@ -805,11 +809,7 @@ class WebApplicationManager(SoftwareManager):
     def requires_root(self, action: SoftwareAction, pkg: SoftwarePackage) -> bool:
         return False
 
-    def _update_env_settings(self, task_manager: TaskManager = None):
-        self.env_settings = self.env_updater.read_settings(task_manager)
-
-    def _download_suggestions(self, taskman: TaskManager = None):
-        downloader = SuggestionsDownloader(logger=self.logger, http_client=self.http_client, i18n=self.i18n, taskman=taskman)
+    def _download_suggestions(self, downloader: SuggestionsDownloader):
         self.suggestions = downloader.download()
 
         if self.suggestions:
@@ -818,12 +818,20 @@ class WebApplicationManager(SoftwareManager):
 
     def prepare(self, task_manager: TaskManager, root_password: str, internet_available: bool):
         if internet_available:
-            self.env_thread = Thread(target=self._update_env_settings, args=(task_manager,), daemon=True)
-            self.env_thread.start()
+            downloader = SuggestionsDownloader(logger=self.logger, http_client=self.http_client,
+                                               i18n=self.i18n, taskman=task_manager)
+            downloader.register_task()
 
-            self.suggestions_downloader = Thread(target=self._download_suggestions, args=(task_manager,), daemon=True)
+            self.suggestions_downloader = Thread(target=self._download_suggestions, args=(downloader,), daemon=True)
             self.suggestions_downloader.start()
 
+            web_config = read_config()
+
+            if self.env_updater.should_download_settings(web_config):
+                self.env_updater.register_task_read_settings(taskman=task_manager)
+                self.env_thread = Thread(target=self.env_updater.read_settings, args=(web_config, False, task_manager), daemon=True)
+                self.env_thread.start()
+
     def list_updates(self, internet_available: bool) -> List[PackageUpdate]:
         pass
 
@@ -857,7 +865,7 @@ class WebApplicationManager(SoftwareManager):
 
         app.status = PackageStatus.READY
 
-    def _map_suggestion(self, suggestion: dict) -> PackageSuggestion:
+    def _map_suggestion(self, suggestion: dict, env_settings: Optional[dict]) -> PackageSuggestion:
         app = WebApplication(name=suggestion.get('name'),
                              url=suggestion.get('url'),
                              icon_url=suggestion.get('icon_url'),
@@ -874,8 +882,8 @@ class WebApplicationManager(SoftwareManager):
         elif isinstance(description, str):
             app.description = description
 
-        if not app.version and self.env_settings and self.env_settings.get('electron'):
-            app.version = self.env_settings['electron']['version']
+        if not app.version and env_settings and env_settings.get('electron'):
+            app.version = env_settings['electron']['version']
             app.latest_version = app.version
 
         app.status = PackageStatus.LOADING_DATA
@@ -888,9 +896,9 @@ class WebApplicationManager(SoftwareManager):
         output.update(read_config())
 
     def list_suggestions(self, limit: int, filter_installed: bool) -> List[PackageSuggestion]:
-        local_config = {}
+        web_config = {}
 
-        thread_config = Thread(target=self._fill_config_async, args=(local_config,))
+        thread_config = Thread(target=self._fill_config_async, args=(web_config,))
         thread_config.start()
 
         if self.suggestions:
@@ -914,7 +922,7 @@ class WebApplicationManager(SoftwareManager):
             else:
                 installed = None
 
-            res = []
+            env_settings, res = None, []
 
             for s in suggestion_list:
                 if limit <= 0 or len(res) < limit:
@@ -924,24 +932,24 @@ class WebApplicationManager(SoftwareManager):
                         if surl in installed:
                             continue
 
-                    res.append(self._map_suggestion(s))
+                    if env_settings is None:  # reading settings if not already loaded
+                        thread_config.join()
+                        env_settings = self.env_updater.read_settings(web_config=web_config)
+
+                    res.append(self._map_suggestion(s, env_settings))
                 else:
                     break
 
             if res:
-                if not self.env_settings and self.env_thread:
-                    self.env_thread.join()
-                    self.env_thread = None  # cleaning memory
-
-                if self.env_settings:
+                if env_settings:
                     for s in res:
-                        s.package.version = self.env_settings['electron']['version']
+                        s.package.version = env_settings['electron']['version']
                         s.package.latest_version = s.package.version
 
                 thread_config.join()
-                if local_config and local_config['environment']['electron']['version']:
+                if web_config and web_config['environment']['electron']['version']:
                     for s in res:
-                        s.package.version = str(local_config['environment']['electron']['version'])
+                        s.package.version = str(web_config['environment']['electron']['version'])
                         s.package.latest_version = s.package.version
 
             return res
@@ -973,11 +981,11 @@ class WebApplicationManager(SoftwareManager):
                     traceback.print_exc()
 
     def get_settings(self, screen_width: int, screen_height: int) -> ViewComponent:
-        config = read_config()
+        web_config = read_config()
         max_width = floor(screen_width * 0.15)
 
         input_electron = TextInputComponent(label=self.i18n['web.settings.electron.version.label'],
-                                            value=config['environment']['electron']['version'],
+                                            value=web_config['environment']['electron']['version'],
                                             tooltip=self.i18n['web.settings.electron.version.tooltip'],
                                             placeholder='{}: 7.1.0'.format(self.i18n['example.short']),
                                             max_width=max_width,
@@ -990,35 +998,45 @@ class WebApplicationManager(SoftwareManager):
 
         select_nativefier = SingleSelectComponent(label="Nativefier",
                                                   options=native_opts,
-                                                  default_option=[o for o in native_opts if o.value == config['environment']['system']][0],
+                                                  default_option=[o for o in native_opts if o.value == web_config['environment']['system']][0],
                                                   type_=SelectViewType.COMBO,
                                                   tooltip=self.i18n['web.settings.nativefier.tip'],
                                                   max_width=max_width,
                                                   id_='nativefier')
 
-        form_env = FormComponent(label=self.i18n['web.settings.nativefier.env'].capitalize(), components=[input_electron, select_nativefier])
+        env_settings_exp = TextInputComponent(label=self.i18n['web.settings.cache_exp'],
+                                              tooltip=self.i18n['web.settings.cache_exp.tip'],
+                                              capitalize_label=False,
+                                              value=int(web_config['environment']['cache_exp']) if isinstance(web_config['environment']['cache_exp'], int) else '',
+                                              only_int=True,
+                                              max_width=max_width,
+                                              id_='web_cache_exp')
+
+        form_env = FormComponent(label=self.i18n['web.settings.nativefier.env'].capitalize(),
+                                 components=[input_electron, select_nativefier, env_settings_exp])
 
         return PanelComponent([form_env])
 
     def save_settings(self, component: PanelComponent) -> Tuple[bool, Optional[List[str]]]:
-        config = read_config()
+        web_config = read_config()
 
         form_env = component.components[0]
 
-        config['environment']['electron']['version'] = str(form_env.get_component('electron_version').get_value()).strip()
+        web_config['environment']['electron']['version'] = str(form_env.get_component('electron_version').get_value()).strip()
 
-        if len(config['environment']['electron']['version']) == 0:
-            config['environment']['electron']['version'] = None
+        if len(web_config['environment']['electron']['version']) == 0:
+            web_config['environment']['electron']['version'] = None
 
         system_nativefier = form_env.get_component('nativefier').get_selected()
 
         if system_nativefier and not nativefier.is_available():
             return False, [self.i18n['web.settings.env.nativefier.system.not_installed'].format('Nativefier')]
 
-        config['environment']['system'] = system_nativefier
+        web_config['environment']['system'] = system_nativefier
+        web_config['environment']['cache_exp'] = form_env.get_component('web_cache_exp').get_int_value()
 
         try:
-            save_config(config, CONFIG_FILE)
+            save_config(web_config, CONFIG_FILE)
             return True, None
         except:
             return False, [traceback.format_exc()]

bauh/gems/web/environment.py

@@ -4,6 +4,7 @@ import os
 import shutil
 import tarfile
 import traceback
+from datetime import datetime, timedelta
 from pathlib import Path
 from threading import Thread
 from typing import Dict, List, Optional
@@ -20,7 +21,8 @@ from bauh.commons.html import bold
 from bauh.commons.system import SimpleProcess, ProcessHandler
 from bauh.gems.web import ENV_PATH, NODE_DIR_PATH, NODE_BIN_PATH, NODE_MODULES_PATH, NATIVEFIER_BIN_PATH, \
     ELECTRON_PATH, ELECTRON_DOWNLOAD_URL, ELECTRON_SHA256_URL, URL_ENVIRONMENT_SETTINGS, NPM_BIN_PATH, NODE_PATHS, \
-    nativefier, URL_NATIVEFIER, get_icon_path, ELECTRON_WIDEVINE_URL, ELECTRON_WIDEVINE_SHA256_URL
+    nativefier, URL_NATIVEFIER, ELECTRON_WIDEVINE_URL, ELECTRON_WIDEVINE_SHA256_URL, \
+    ENVIRONMENT_SETTINGS_CACHED_FILE, ENVIRONMENT_SETTINGS_TS_FILE, get_icon_path
 from bauh.gems.web.model import WebApplication
 from bauh.view.util.translation import I18n
 
@@ -44,6 +46,7 @@ class EnvironmentUpdater:
         self.file_downloader = file_downloader
         self.i18n = i18n
         self.http_client = http_client
+        self.task_read_settings_id = 'web_read_settings'
 
     def _download_and_install(self, version: str, version_url: str, watcher: ProcessWatcher) -> bool:
         self.logger.info("Downloading NodeJS {}: {}".format(version, version_url))
@@ -266,31 +269,103 @@ class EnvironmentUpdater:
 
     def _finish_task_download_settings(self, task_man: TaskManager):
         if task_man:
-            task_man.update_progress('web_down_sets', 100, None)
-            task_man.finish_task('web_down_sets')
+            task_man.update_progress(self.task_read_settings_id, 100, None)
+            task_man.finish_task(self.task_read_settings_id)
 
-    def read_settings(self, task_man: TaskManager = None) -> Optional[dict]:
+    def should_download_settings(self, web_config: dict) -> bool:
         try:
-            if task_man:
-                task_man.register_task('web_down_sets', self.i18n['web.task.download_settings'], get_icon_path())
-                task_man.update_progress('web_down_sets', 10, None)
+            settings_exp = int(web_config['environment']['cache_exp'])
+        except ValueError:
+            self.logger.error("Could not parse settings property 'environment.cache_exp': {}".format(web_config['environment']['cache_exp']))
+            return True
 
+        if settings_exp <= 0:
+            self.logger.info("No expiration time configured for the environment settings cache file.")
+            return True
+
+        self.logger.info("Checking cached environment settings file")
+
+        if not os.path.exists(ENVIRONMENT_SETTINGS_CACHED_FILE):
+            self.logger.warning("Environment settings file not cached.")
+            return True
+
+        if not os.path.exists(ENVIRONMENT_SETTINGS_TS_FILE):
+            self.logger.warning("Environment settings file has no timestamp associated with it.")
+            return True
+
+        with open(ENVIRONMENT_SETTINGS_TS_FILE) as f:
+            env_ts_str = f.read()
+
+        try:
+            env_timestamp = datetime.fromtimestamp(float(env_ts_str))
+        except:
+            self.logger.error("Could not parse environment settings file timestamp: {}".format(env_ts_str))
+            return True
+
+        return env_timestamp + timedelta(minutes=settings_exp) <= datetime.utcnow()
+
+    def read_cached_settings(self, web_config: dict) -> Optional[dict]:
+        if not self.should_download_settings(web_config):
+            with open(ENVIRONMENT_SETTINGS_CACHED_FILE) as f:
+                cached_settings_str = f.read()
+
+            try:
+                return yaml.safe_load(cached_settings_str)
+            except yaml.YAMLError:
+                self.logger.error('Could not parse the cache environment settings file: {}'.format(cached_settings_str))
+
+    def register_task_read_settings(self, taskman: TaskManager):
+        taskman.register_task(self.task_read_settings_id, self.i18n['web.task.download_settings'], get_icon_path())
+
+    def read_settings(self, web_config: dict, cache: bool = True, taskman: Optional[TaskManager] = None) -> Optional[dict]:
+        cached_settings = self.read_cached_settings(web_config) if cache else None
+
+        if cached_settings:
+            return cached_settings
+
+        try:
+            if taskman:
+                taskman.update_progress(self.task_read_settings_id, 10, None)
+
+            self.logger.info("Downloading environment settings")
             res = self.http_client.get(URL_ENVIRONMENT_SETTINGS)
 
             if not res:
                 self.logger.warning('Could not retrieve the environments settings from the cloud')
-                self._finish_task_download_settings(task_man)
+                self._finish_task_download_settings(taskman)
                 return
 
             try:
-                self._finish_task_download_settings(task_man)
-                return yaml.safe_load(res.content)
+                settings = yaml.safe_load(res.content)
             except yaml.YAMLError:
                 self.logger.error('Could not parse environment settings: {}'.format(res.text))
-                self._finish_task_download_settings(task_man)
+                self._finish_task_download_settings(taskman)
                 return
+
+            self.logger.info("Caching environment settings to disk")
+            cache_dir = os.path.dirname(ENVIRONMENT_SETTINGS_CACHED_FILE)
+
+            try:
+                Path(cache_dir).mkdir(parents=True, exist_ok=True)
+            except OSError:
+                self.logger.error("Could not create Web cache directory: {}".format(cache_dir))
+                self.logger.info('Finished')
+                self._finish_task_download_settings(taskman)
+                return
+
+            cache_timestamp = datetime.utcnow().timestamp()
+            with open(ENVIRONMENT_SETTINGS_CACHED_FILE, 'w+') as f:
+                f.write(yaml.safe_dump(settings))
+
+            with open(ENVIRONMENT_SETTINGS_TS_FILE, 'w+') as f:
+                f.write(str(cache_timestamp))
+
+            self._finish_task_download_settings(taskman)
+            self.logger.info("Finished")
+            return settings
+
         except requests.exceptions.ConnectionError:
-            self._finish_task_download_settings(task_man)
+            self._finish_task_download_settings(taskman)
             return
 
     def _check_and_fill_electron(self, pkg: WebApplication, env: dict, local_config: dict, x86_x64: bool, widevine: bool, output: List[EnvironmentComponent]):

bauh/gems/web/resources/locale/ca

@@ -62,6 +62,8 @@ web.install.substatus.call_nativefier=Running {}
 web.install.substatus.checking_fixes=Checking if there are published fixes
 web.install.substatus.options=Waiting for the installation options
 web.install.substatus.shortcut=Generating a menu shortcut
+web.settings.cache_exp=Environment settings expiration
+web.settings.cache_exp.tip=It defines the period (in minutes) in which the stored environment settings are considered valid. Use 0 so that they are always updated.
 web.settings.electron.version.label=Electron version
 web.settings.electron.version.tooltip=Defines an alternative Electron version to render the new installed apps
 web.settings.env.nativefier.system.not_installed={} seems not to be installed on your system

bauh/gems/web/resources/locale/en

@@ -62,6 +62,8 @@ web.install.substatus.call_nativefier=Running {}
 web.install.substatus.checking_fixes=Checking if there are published fixes
 web.install.substatus.options=Waiting for the installation options
 web.install.substatus.shortcut=Generating a menu shortcut
+web.settings.cache_exp=Environment settings expiration
+web.settings.cache_exp.tip=It defines the period (in minutes) in which the stored environment settings are considered valid. Use 0 so that they are always updated.
 web.settings.electron.version.label=Electron version
 web.settings.electron.version.tooltip=Defines an alternative Electron version to render the new installed apps
 web.settings.env.nativefier.system.not_installed={} seems not to be installed on your system

bauh/gems/web/resources/locale/es

@@ -62,6 +62,8 @@ web.install.substatus.call_nativefier=Ejecutando {}
 web.install.substatus.checking_fixes=Verificando si hay correcciones publicadas
 web.install.substatus.options=Esperando las opciones de instalación
 web.install.substatus.shortcut=Generando un atajo de menú
+web.settings.cache_exp=Expiración de configuraciones de ambiente
+web.settings.cache_exp.tip=Define el período (en minutos) en el que las configuraciones del ambiente almacenadas se consideran válidas. Utilice 0 para que estén siempre actualizadas.
 web.settings.electron.version.label=Versión del Electron
 web.settings.electron.version.tooltip=Define una versión alternativa del Electron para renderizar las nuevas aplicaciones instaladas
 web.settings.env.nativefier.system.not_installed={} parece no estar instalado en su sistema

bauh/gems/web/resources/locale/fr

@@ -62,6 +62,8 @@ web.install.substatus.call_nativefier=Lancement {}
 web.install.substatus.checking_fixes=Verification de nouveaux correctifs disponibles
 web.install.substatus.options=En attente des options d'installation
 web.install.substatus.shortcut=Génération d'un raccourci menu
+web.settings.cache_exp=Environment settings expiration
+web.settings.cache_exp.tip=It defines the period (in minutes) in which the stored environment settings are considered valid. Use 0 so that they are always updated.
 web.settings.electron.version.label=Version d'Electron
 web.settings.electron.version.tooltip=Definit une version alternativde d'Electron pour le rendu des dernières apps installées
 web.settings.env.nativefier.system.not_installed={} n'a pas l'air d'être installé sur votre système

bauh/gems/web/resources/locale/it

@@ -62,6 +62,8 @@ web.install.substatus.call_nativefier=Running {}
 web.install.substatus.checking_fixes=Checking if there are published fixes
 web.install.substatus.options=Waiting for the installation options
 web.install.substatus.shortcut=Generating a menu shortcut
+web.settings.cache_exp=Environment settings expiration
+web.settings.cache_exp.tip=It defines the period (in minutes) in which the stored environment settings are considered valid. Use 0 so that they are always updated.
 web.settings.electron.version.label=Electron version
 web.settings.electron.version.tooltip=Defines an alternative Electron version to render the new installed apps
 web.settings.env.nativefier.system.not_installed={} seems not to be installed on your system

bauh/gems/web/resources/locale/pt

@@ -61,6 +61,8 @@ web.install.substatus.call_nativefier=Executando {}
 web.install.substatus.checking_fixes=Verificando se há correções publicadas
 web.install.substatus.options=Aguardando as opções de instalação
 web.install.substatus.shortcut=Criando um atalho no menu
+web.settings.cache_exp=Expiração das configurações de ambiente
+web.settings.cache_exp.tip=Define o período (em minutos) em que as configurações do ambiente de instalação armazenadas são consideradas válidas. Utilize 0 para que elas sejam sempre atualizadas.
 web.settings.electron.version.label=Versão do Electron
 web.settings.electron.version.tooltip=Define uma versão alternativa do Electron para renderizar os novos aplicativos instalados
 web.settings.env.nativefier.system.not_installed={} não parece estar instalado no seu sistema

bauh/gems/web/resources/locale/ru

@@ -62,6 +62,8 @@ web.install.substatus.call_nativefier=Работает {}
 web.install.substatus.checking_fixes=Проверка опубликованных исправлений
 web.install.substatus.options=Ожидание опций установки
 web.install.substatus.shortcut=Создается ярлык в меню
+web.settings.cache_exp=Environment settings expiration
+web.settings.cache_exp.tip=It defines the period (in minutes) in which the stored environment settings are considered valid. Use 0 so that they are always updated.
 web.settings.electron.version.label=версия Electron
 web.settings.electron.version.tooltip=Указывает альтернативный вариант Electron для визуализации устанавливаемых приложений
 web.settings.env.nativefier.system.not_installed={} не установлен в Вашей системе

bauh/gems/web/resources/locale/tr

@@ -62,6 +62,8 @@ web.install.substatus.call_nativefier={} çalışıyor
 web.install.substatus.checking_fixes=Yayınlanmış düzeltmeler olup olmadığını kontrol et
 web.install.substatus.options=Kurulum seçenekleri bekleniyor
 web.install.substatus.shortcut=Bir menü kısayolu oluşturuluyor
+web.settings.cache_exp=Environment settings expiration
+web.settings.cache_exp.tip=It defines the period (in minutes) in which the stored environment settings are considered valid. Use 0 so that they are always updated.
 web.settings.electron.version.label=Electron sürümü
 web.settings.electron.version.tooltip=Yeni yüklenen uygulamaları oluşturmak için alternatif bir Elektron sürümü tanımlar
 web.settings.env.nativefier.system.not_installed={} sisteminize kurulu değil gibi görünüyor

bauh/gems/web/worker.py

@@ -19,16 +19,25 @@ class SuggestionsDownloader:
         self.logger = logger
         self.taskman = taskman
         self.i18n = i18n
+        self.task_id = 'web_sugs'
+        self._task_registered = False
+        self._task_finished = False
 
     def _finish_task(self):
         if self.taskman:
-            self.taskman.update_progress('web_sugs', 100, None)
-            self.taskman.finish_task('web_sugs')
+            self.taskman.update_progress(self.task_id, 100, None)
+            self.taskman.finish_task(self.task_id)
+            self._task_finished = True
+            self.logger.info("Finished")
+
+    def register_task(self):
+        if self.taskman and not self._task_registered and not self._task_finished:
+            self.taskman.register_task(self.task_id, self.i18n['web.task.suggestions'], get_icon_path())
+            self._task_registered = True
 
     def download(self) -> dict:
         if self.taskman:
-            self.taskman.register_task('web_sugs', self.i18n['web.task.suggestions'], get_icon_path())
-            self.taskman.update_progress('web_sugs', 10, None)
+            self.taskman.update_progress(self.task_id, 10, None)
 
         self.logger.info("Reading suggestions from {}".format(URL_SUGGESTIONS))
         try: