fix suggestions error | improving warnings presentation | snapd health check when snapd.service is available

CHANGELOG.md

@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [0.6.1]
+### Improvements:
+- Better warning presentation when there are several messages
+
+### Fixes:
+- Error when retrieving suggestions
+- snapd health check when snapd.service is available
+
 
 ## [0.6.0] 2019-09-25
 ### Features
@@ -33,7 +41,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Environment variable / parameter **BAUH_UPDATE_NOTIFICATION** renamed to **BAUH_SYSTEM_NOTIFICATIONS** and now works for any system notification
 - Environment variable / parameter **BAUH_DOWNLOAD_MULTITHREAD**: if source files should be downloaded using multi-threads (not supported by all **gems**).
 - Environment variables / parameter **BAUH_MAX_DISPLAYED**: controls the maximum number of displayed apps ( default to 50 )
-- Environment variables / parameter **BAUH_LOGS**: controls the maximum number of displayed apps ( default to 50 )
+- Environment variables / parameter **BAUH_LOGS**: activates console logging.
 - small UI improvements
 
 ### UI Changes

bauh/gems/snap/controller.py

@@ -9,6 +9,7 @@ from bauh.api.abstract.handler import ProcessWatcher
 from bauh.api.abstract.model import SoftwarePackage, PackageHistory, PackageUpdate, PackageSuggestion, \
     SuggestionPriority
 from bauh.commons import internet
+from bauh.commons.html import bold
 from bauh.commons.system import SystemProcess, ProcessHandler
 from bauh.gems.snap import snap, suggestions
 from bauh.gems.snap.constants import SNAP_API_URL
@@ -83,7 +84,6 @@ class SnapManager(SoftwareManager):
 
     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:
         if snap.is_snapd_running():
-            internet_available = internet.is_available(self.http_client, self.logger)
             installed = [self.map_json(app_json, installed=True, disk_loader=disk_loader, internet=internet_available) for app_json in snap.read_installed()]
             return SearchResult(installed, None, len(installed))
         else:
@@ -146,7 +146,9 @@ class SnapManager(SoftwareManager):
 
     def list_warnings(self) -> List[str]:
         if not snap.is_snapd_running():
-            return [self.i18n['snap.notification.snapd_unavailable']]
+            snap_bold = bold('Snap')
+            return [self.i18n['snap.notification.snapd_unavailable'].format(bold('snapd'), snap_bold),
+                    self.i18n['snap.notification.snap.disable'].format(snap_bold, bold(self.i18n['manage_window.settings.gems']))]
 
     def _fill_suggestion(self, pkg_name: str, priority: SuggestionPriority, out: List[PackageSuggestion]):
         res = self.http_client.get_json(SNAP_API_URL + '/search?q=package_name:{}'.format(pkg_name))
@@ -163,24 +165,25 @@ class SnapManager(SoftwareManager):
     def list_suggestions(self, limit: int) -> List[PackageSuggestion]:
         res = []
 
-        sugs = [(i, p) for i, p in suggestions.ALL.items()]
+        if snap.is_snapd_running():
-        sugs.sort(key=lambda t: t[1].value, reverse=True)
+            sugs = [(i, p) for i, p in suggestions.ALL.items()]
+            sugs.sort(key=lambda t: t[1].value, reverse=True)
 
-        threads = []
+            threads = []
-        for sug in sugs:
+            for sug in sugs:
 
-            if limit <= 0 or len(res) < limit:
+                if limit <= 0 or len(res) < limit:
-                t = Thread(target=self._fill_suggestion, args=(sug[0], sug[1], res))
+                    t = Thread(target=self._fill_suggestion, args=(sug[0], sug[1], res))
-                t.start()
+                    t.start()
-                threads.append(t)
+                    threads.append(t)
-                time.sleep(0.001)  # to avoid being blocked
+                    time.sleep(0.001)  # to avoid being blocked
-            else:
+                else:
-                break
+                    break
 
-        for t in threads:
+            for t in threads:
-            t.join()
+                t.join()
 
-        res.sort(key=lambda s: s.priority.value, reverse=True)
+            res.sort(key=lambda s: s.priority.value, reverse=True)
         return res
 
     def is_default_enabled(self) -> bool:

bauh/gems/snap/resources/locale/en

@@ -1,3 +1,4 @@
-snap.notification.snapd_unavailable=snapd seems not to be installed or enabled. snap packages will not be available.
+snap.notification.snapd_unavailable={} seems not to be installed or enabled. {} packages will not be available.
+snap.notification.snap.disable=If you do not want to use Snap applications, uncheck {} in {}
 snap.action.refresh.status=Refreshing
 snap.action.refresh.label=Refresh

bauh/gems/snap/resources/locale/es

@@ -7,6 +7,7 @@ snap.info.revision=revisión
 snap.info.tracking=tracking
 snap.info.installed=instalado
 snap.info.publisher=publicador
-snap.notification.snapd_unavailable=snapd no parece estar instalado o habilitado. los paquetes snap estarán indisponibles.
+snap.notification.snapd_unavailable={} no parece estar instalado o habilitado. los paquetes {} estarán indisponibles.
+snap.notification.snap.disable=Si no desea usar aplicativos Snap, desmarque {} en {}
 snap.action.refresh.status=Actualizando
 snap.action.refresh.label=Actualizar

bauh/gems/snap/resources/locale/pt

@@ -7,6 +7,7 @@ snap.info.revision=revisão
 snap.info.tracking=tracking
 snap.info.installed=instalado
 snap.info.publisher=publicador
-snap.notification.snapd_unavailable=snapd não parece estar instalado ou habilitado. os pacotes snap estarão indisponíveis.
+snap.notification.snapd_unavailable={} não parece estar instalado ou habilitado. os pacotes {} estarão indisponíveis.
+snap.notification.snap.disable=Se não deseja usar aplicativos Snap, desmarque {} em {}
 snap.action.refresh.status=Atualizando
 snap.action.refresh.label=Atualizar

bauh/gems/snap/snap.py

@@ -7,6 +7,8 @@ from bauh.commons.system import new_root_subprocess, run_cmd, new_subprocess
 from bauh.gems.snap.model import SnapApplication
 
 BASE_CMD = 'snap'
+RE_SNAPD_STATUS = re.compile('\s+')
+SNAPD_RUNNING_STATUS = {'listening', 'running'}
 
 
 def is_installed():
@@ -17,12 +19,24 @@ def is_installed():
 def is_snapd_running() -> bool:
     services = new_subprocess(['systemctl', 'list-units'])
 
-    for o in new_subprocess(['grep', '-oP', 'snapd.socket.+\K(listening|running)'], stdin=services.stdout).stdout:
+    service, service_running = False, False
+    socket, socket_running = False, False
+    for o in new_subprocess(['grep', '-Eo', 'snapd.+'], stdin=services.stdout).stdout:
         if o:
             line = o.decode().strip()
-            return bool(line)
 
-    return False
+            if line:
+                line_split = RE_SNAPD_STATUS.split(line)
+                running = line_split[3] in SNAPD_RUNNING_STATUS
+
+                if line_split[0] == 'snapd.service':
+                    service = True
+                    service_running = running
+                elif line_split[0] == 'snapd.socket':
+                    socket = True
+                    socket_running = running
+
+    return socket and socket_running and (not service or (service and service_running))
 
 
 def app_str_to_json(app: str) -> dict:

bauh/view/qt/thread.py

@@ -389,7 +389,7 @@ class FindSuggestions(AsyncAction):
 
     def run(self):
         sugs = self.man.list_suggestions(limit=-1)
-        self.notify_finished([s.package for s in sugs] if sugs is not None else [])
+        self.notify_finished({'pkgs_found': [s.package for s in sugs] if sugs is not None else [], 'error': None})
 
 
 class ListWarnings(QThread):

bauh/view/qt/window.py

@@ -333,7 +333,7 @@ class ManageWindow(QWidget):
 
     def _show_warnings(self, warnings: List[str]):
         if warnings:
-            dialog.show_message(title=self.i18n['warning'].capitalize(), body='<p>{}</p>'.format('<br/>'.join(warnings)), type_=MessageType.WARNING)
+            dialog.show_message(title=self.i18n['warning'].capitalize(), body='<p>{}</p>'.format('<br/><br/>'.join(warnings)), type_=MessageType.WARNING)
 
     def show(self):
         super(ManageWindow, self).show()