Replaced tabs with whitespaces.

uplink/daemon.py

@@ -19,94 +19,94 @@ import signal
 # TODO: Check why pid files are not being deleted when sending the TERM signal
 class Daemon:
 
-	def __init__(self, pid_file):
+    def __init__(self, pid_file):
-		self.pid_file = pid_file
+        self.pid_file = pid_file
 
-	def daemonize(self):
+    def daemonize(self):
-		try:
+        try:
-			pid = os.fork()
+            pid = os.fork()
-			if pid > 0:
+            if pid > 0:
-				sys.exit(0)
+                sys.exit(0)
-		except OSError as err:
+        except OSError as err:
-			sys.stderr.write('fork #1 failed: {0}\n'.format(err))
+            sys.stderr.write('fork #1 failed: {0}\n'.format(err))
-			sys.exit(1)
+            sys.exit(1)
 
-		os.chdir('/')
+        os.chdir('/')
-		os.setsid()
+        os.setsid()
-		os.umask(0)
+        os.umask(0)
 
-		try:
+        try:
-			pid = os.fork()
+            pid = os.fork()
-			if pid > 0:
+            if pid > 0:
-				sys.exit(0)
+                sys.exit(0)
-		except OSError as err:
+        except OSError as err:
-			sys.stderr.write('fork #2 failed: {0}\n'.format(err))
+            sys.stderr.write('fork #2 failed: {0}\n'.format(err))
-			sys.exit(1)
+            sys.exit(1)
 
-		sys.stdout.flush()
+        sys.stdout.flush()
-		sys.stderr.flush()
+        sys.stderr.flush()
-		si = open(os.devnull, 'r')
+        si = open(os.devnull, 'r')
-		so = open(os.devnull, 'a+')
+        so = open(os.devnull, 'a+')
-		se = open(os.devnull, 'a+')
+        se = open(os.devnull, 'a+')
 
-		os.dup2(si.fileno(), sys.stdin.fileno())
+        os.dup2(si.fileno(), sys.stdin.fileno())
-		os.dup2(so.fileno(), sys.stdout.fileno())
+        os.dup2(so.fileno(), sys.stdout.fileno())
-		os.dup2(se.fileno(), sys.stderr.fileno())
+        os.dup2(se.fileno(), sys.stderr.fileno())
 
-		atexit.register(self.del_pid)
+        atexit.register(self.del_pid)
 
-		pid = str(os.getpid())
+        pid = str(os.getpid())
-		with open(self.pid_file, 'w+') as f:
+        with open(self.pid_file, 'w+') as f:
-			f.write(pid + '\n')
+            f.write(pid + '\n')
 
-	def del_pid(self):
+    def del_pid(self):
-		os.remove(self.pid_file)
+        os.remove(self.pid_file)
 
-	def start(self):
+    def start(self):
-		try:
+        try:
-			with open(self.pid_file, 'r') as pf:
+            with open(self.pid_file, 'r') as pf:
-				pid = int(pf.read().strip())
+                pid = int(pf.read().strip())
-		except IOError:
+        except IOError:
-			pid = None
+            pid = None
 
-		if pid:
+        if pid:
-			message = "pid_file {0} already exist. Daemon already running?\n"
+            message = "pid_file {0} already exist. Daemon already running?\n"
-			sys.stderr.write(message.format(self.pid_file))
+            sys.stderr.write(message.format(self.pid_file))
-			sys.exit(1)
+            sys.exit(1)
 
-		self.daemonize()
+        self.daemonize()
-		self.run()
+        self.run()
 
-	def stop(self):
+    def stop(self):
-		try:
+        try:
-			with open(self.pid_file, 'r') as pf:
+            with open(self.pid_file, 'r') as pf:
-				pid = int(pf.read().strip())
+                pid = int(pf.read().strip())
-		except IOError:
+        except IOError:
-			pid = None
+            pid = None
 
-		if not pid:
+        if not pid:
-			message = "pid_file {0} does not exist. Daemon not running?\n"
+            message = "pid_file {0} does not exist. Daemon not running?\n"
-			sys.stderr.write(message.format(self.pid_file))
+            sys.stderr.write(message.format(self.pid_file))
-			return
+            return
 
-		try:
+        try:
-			while 1:
+            while 1:
-				os.kill(pid, signal.SIGTERM)
+                os.kill(pid, signal.SIGTERM)
-				time.sleep(0.1)
+                time.sleep(0.1)
-		except OSError as err:
+        except OSError as err:
-			e = str(err.args)
+            e = str(err.args)
-			if e.find("No such process") > 0:
+            if e.find("No such process") > 0:
-				if os.path.exists(self.pid_file):
+                if os.path.exists(self.pid_file):
-					os.remove(self.pid_file)
+                    os.remove(self.pid_file)
-			else:
+            else:
-				print(str(err.args))
+                print(str(err.args))
-				sys.exit(1)
+                sys.exit(1)
 
-	def restart(self):
+    def restart(self):
-		self.stop()
+        self.stop()
-		self.start()
+        self.start()
 
-	def run(self):
+    def run(self):
-		"""Override this method when you subclass Daemon.
+        """Override this method when you subclass Daemon.
-		It will be called after the process has been daemonized by
+        It will be called after the process has been daemonized by
-		start() or restart()."""
+        start() or restart()."""