small code review (normalization and duplicated codes removal)

fail2ban/server/failmanager.py

@@ -159,7 +159,7 @@ class FailManager:
 	
 	def toBan(self, fid=None):
 		with self.__lock:
-			for fid in ([fid] if fid != None and fid in self.__failList else self.__failList):
+			for fid in ([fid] if fid is not None and fid in self.__failList else self.__failList):
 				data = self.__failList[fid]
 				if data.getRetry() >= self.__maxRetry:
 					del self.__failList[fid]

fail2ban/server/filtergamin.py

@@ -79,12 +79,7 @@ class FilterGamin(FileFilter):
 		this is a common logic and must be shared/provided by FileFilter
 		"""
 		self.getFailures(path)
-		try:
-			while True:
-				ticket = self.failManager.toBan()
-				self.jail.putFailTicket(ticket)
-		except FailManagerEmpty:
-			self.failManager.cleanup(MyTime.time())
+		self.performBan()
 		self.__modified = False
 
 	##

fail2ban/server/filterpoll.py

@@ -117,12 +117,7 @@ class FilterPoll(FileFilter):
 
 				self.ticks += 1
 				if self.__modified:
-					try:
-						while True:
-							ticket = self.failManager.toBan()
-							self.jail.putFailTicket(ticket)
-					except FailManagerEmpty:
-						self.failManager.cleanup(MyTime.time())
+					self.performBan()
 					self.__modified = False
 			except Exception as e: # pragma: no cover
 				if not self.active: # if not active - error by stop...

fail2ban/server/filterpyinotify.py

@@ -140,12 +140,7 @@ class FilterPyinotify(FileFilter):
 		"""
 		if not self.idle:
 			self.getFailures(path)
-			try:
-				while True:
-					ticket = self.failManager.toBan()
-					self.jail.putFailTicket(ticket)
-			except FailManagerEmpty:
-				self.failManager.cleanup(MyTime.time())
+			self.performBan()
 			self.__modified = False
 
 	def _addPending(self, path, reason, isDir=False):

fail2ban/server/filtersystemd.py

@@ -300,12 +300,8 @@ class FilterSystemd(JournalFilter): # pragma: systemd no cover
 					else:
 						break
 				if self.__modified:
-					try:
-						while True:
-							ticket = self.failManager.toBan()
-							self.jail.putFailTicket(ticket)
-					except FailManagerEmpty:
-						self.failManager.cleanup(MyTime.time())
+					self.performBan()
+					self.__modified = 0
 			except Exception as e: # pragma: no cover
 				if not self.active: # if not active - error by stop...
 					break