From 9dacd2d3c9c9c6840767b0526001009ec82a0a50 Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <blacklight86@gmail.com>
Date: Sat, 21 Nov 2020 01:36:37 +0100
Subject: [PATCH 1/2] Fixed croniter timezone offset logic mismatch

---
 platypush/backend/alarm.py | 12 +++++++-----
 setup.py                   |  7 ++++---
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/platypush/backend/alarm.py b/platypush/backend/alarm.py
index 8e50a140..385b3dbe 100644
--- a/platypush/backend/alarm.py
+++ b/platypush/backend/alarm.py
@@ -1,4 +1,5 @@
 import datetime
+import enum
 import os
 import time
 import threading
@@ -6,7 +7,7 @@ import threading
 from typing import Optional, Union, Dict, Any, List
 
 import croniter
-import enum
+from dateutil.tz import gettz
 
 from platypush.backend import Backend
 from platypush.context import get_bus, get_plugin
@@ -54,18 +55,19 @@ class Alarm:
         self._runtime_snooze_interval = snooze_interval
 
     def get_next(self) -> float:
-        now = time.time()
+        now = datetime.datetime.now().replace(tzinfo=gettz())
 
         try:
             cron = croniter.croniter(self.when, now)
             return cron.get_next()
         except (AttributeError, croniter.CroniterBadCronError):
             try:
-                timestamp = datetime.datetime.fromisoformat(self.when).timestamp()
+                timestamp = datetime.datetime.fromisoformat(self.when).replace(tzinfo=gettz())
             except (TypeError, ValueError):
-                timestamp = (datetime.datetime.now() + datetime.timedelta(seconds=int(self.when))).timestamp()
+                timestamp = (datetime.datetime.now().replace(tzinfo=gettz()) +
+                             datetime.timedelta(seconds=int(self.when)))
 
-            return timestamp if timestamp >= now else None
+            return timestamp.timestamp() if timestamp >= now else None
 
     def is_enabled(self):
         return self._enabled
diff --git a/setup.py b/setup.py
index 1aecaa46..35305e9b 100755
--- a/setup.py
+++ b/setup.py
@@ -163,6 +163,7 @@ setup(
         'wheel',
         'zeroconf>=0.27.0',
         'tz',
+        'python-dateutil',
     ],
 
     extras_require={
@@ -173,9 +174,9 @@ setup(
         # Support for Pushbullet backend and plugin
         'pushbullet': ['pushbullet.py @ https://github.com/rbrcsk/pushbullet.py/tarball/master'],
         # Support for HTTP backend
-        'http': ['flask', 'python-dateutil', 'frozendict', 'bcrypt'],
+        'http': ['flask', 'frozendict', 'bcrypt'],
         # Support for uWSGI HTTP backend
-        'uwsgi': ['flask', 'python-dateutil', 'frozendict', 'uwsgi', 'bcrypt'],
+        'uwsgi': ['flask', 'frozendict', 'uwsgi', 'bcrypt'],
         # Support for MQTT backends
         'mqtt': ['paho-mqtt'],
         # Support for RSS feeds parser
@@ -220,7 +221,7 @@ setup(
         # Support for serial port plugin
         'serial': ['pyserial'],
         # Support for ICal calendars
-        'ical': ['icalendar', 'python-dateutil'],
+        'ical': ['icalendar'],
         # Support for joystick backend
         'joystick': ['inputs'],
         # Support for Kodi plugin

From 1777ebb0516118cdef20046a92caab496fa7c6cb Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <blacklight86@gmail.com>
Date: Wed, 30 Dec 2020 19:44:30 +0100
Subject: [PATCH 2/2] Retry logic in case of Pushbullet listener error

---
 platypush/backend/pushbullet/__init__.py | 25 ++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/platypush/backend/pushbullet/__init__.py b/platypush/backend/pushbullet/__init__.py
index c3e905b2..e1fc67e0 100644
--- a/platypush/backend/pushbullet/__init__.py
+++ b/platypush/backend/pushbullet/__init__.py
@@ -124,14 +124,29 @@ class PushbulletBackend(Backend):
     def close(self):
         if self.listener:
             self.listener.close()
+            self.listener = None
 
     def on_stop(self):
         super().on_stop()
         return self.close()
 
+    def on_error(self, e):
+        self.logger.exception(e)
+        self.close()
+        self.run_listener()
+
+    def run_listener(self):
+        from pushbullet import Listener
+
+        self.logger.info('Initializing Pushbullet backend - device_id: {}'.format(self.device_name))
+        self.listener = Listener(account=self.pb, on_push=self.on_push(), on_error=self.on_error,
+                                 http_proxy_host=self.proxy_host,
+                                 http_proxy_port=self.proxy_port)
+
+        self.listener.run_forever()
+
     def run(self):
         # noinspection PyPackageRequirements
-        from pushbullet import Listener
         super().run()
         initialized = False
 
@@ -144,13 +159,7 @@ class PushbulletBackend(Backend):
                 self.logger.error('Pushbullet initialization error: {}'.format(str(e)))
                 time.sleep(30)
 
-        self.logger.info('Initialized Pushbullet backend - device_id: {}'
-                         .format(self.device_name))
+        self.run_listener()
 
-        self.listener = Listener(account=self.pb, on_push=self.on_push(),
-                                 http_proxy_host=self.proxy_host,
-                                 http_proxy_port=self.proxy_port)
-
-        self.listener.run_forever()
 
 # vim:sw=4:ts=4:et: