Replace backticks with repr() or "%r"

From SF patch #852334.
diff --git a/Demo/sockets/broadcast.py b/Demo/sockets/broadcast.py
index a02b081..010162c 100755
--- a/Demo/sockets/broadcast.py
+++ b/Demo/sockets/broadcast.py
@@ -10,7 +10,7 @@
 s.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)
 
 while 1:
-	data = `time.time()` + '\n'
+	data = repr(time.time()) + '\n'
 	s.sendto(data, ('<broadcast>', MYPORT))
 	time.sleep(2)
 
diff --git a/Demo/sockets/ftp.py b/Demo/sockets/ftp.py
index 8260c52..9e1d5a1 100755
--- a/Demo/sockets/ftp.py
+++ b/Demo/sockets/ftp.py
@@ -91,7 +91,7 @@
 	hostname = gethostname()
 	hostaddr = gethostbyname(hostname)
 	hbytes = string.splitfields(hostaddr, '.')
-	pbytes = [`port/256`, `port%256`]
+	pbytes = [repr(port/256), repr(port%256)]
 	bytes = hbytes + pbytes
 	cmd = 'PORT ' + string.joinfields(bytes, ',')
 	s.send(cmd + '\r\n')
diff --git a/Demo/sockets/gopher.py b/Demo/sockets/gopher.py
index a2ab3a2..4e1cb30 100755
--- a/Demo/sockets/gopher.py
+++ b/Demo/sockets/gopher.py
@@ -75,10 +75,10 @@
 		typechar = line[0]
 		parts = string.splitfields(line[1:], TAB)
 		if len(parts) < 4:
-			print '(Bad line from server:', `line`, ')'
+			print '(Bad line from server: %r)' % (line,)
 			continue
 		if len(parts) > 4:
-			print '(Extra info from server:', parts[4:], ')'
+			print '(Extra info from server: %r)' % (parts[4:],)
 		parts.insert(0, typechar)
 		list.append(parts)
 	f.close()
@@ -154,17 +154,17 @@
 	list = get_menu(selector, host, port)
 	while 1:
 		print '----- MENU -----'
-		print 'Selector:', `selector`
+		print 'Selector:', repr(selector)
 		print 'Host:', host, ' Port:', port
 		print
 		for i in range(len(list)):
 			item = list[i]
 			typechar, description = item[0], item[1]
-			print string.rjust(`i+1`, 3) + ':', description,
+			print string.rjust(repr(i+1), 3) + ':', description,
 			if typename.has_key(typechar):
 				print typename[typechar]
 			else:
-				print '<TYPE=' + `typechar` + '>'
+				print '<TYPE=' + repr(typechar) + '>'
 		print
 		while 1:
 			try:
@@ -221,7 +221,7 @@
 def browse_search(selector, host, port):
 	while 1:
 		print '----- SEARCH -----'
-		print 'Selector:', `selector`
+		print 'Selector:', repr(selector)
 		print 'Host:', host, ' Port:', port
 		print
 		try:
@@ -240,9 +240,9 @@
 # "Browse" telnet-based information, i.e. open a telnet session
 def browse_telnet(selector, host, port):
 	if selector:
-		print 'Log in as', `selector`
+		print 'Log in as', repr(selector)
 	if type(port) <> type(''):
-		port = `port`
+		port = repr(port)
 	sts = os.system('set -x; exec telnet ' + host + ' ' + port)
 	if sts:
 		print 'Exit status:', sts
@@ -307,18 +307,18 @@
 		try:
 			p = os.popen(cmd, 'w')
 		except IOError, msg:
-			print `cmd`, ':', msg
+			print repr(cmd), ':', msg
 			return None
-		print 'Piping through', `cmd`, '...'
+		print 'Piping through', repr(cmd), '...'
 		return p
 	if savefile[0] == '~':
 		savefile = os.path.expanduser(savefile)
 	try:
 		f = open(savefile, 'w')
 	except IOError, msg:
-		print `savefile`, ':', msg
+		print repr(savefile), ':', msg
 		return None
-	print 'Saving to', `savefile`, '...'
+	print 'Saving to', repr(savefile), '...'
 	return f
 
 # Test program
diff --git a/Demo/sockets/mcast.py b/Demo/sockets/mcast.py
index cc7a7e0..71bcc75 100755
--- a/Demo/sockets/mcast.py
+++ b/Demo/sockets/mcast.py
@@ -38,7 +38,7 @@
 		ttl = struct.pack('b', 1)		# Time-to-live
 		s.setsockopt(IPPROTO_IP, IP_MULTICAST_TTL, ttl)
 	while 1:
-		data = `time.time()`
+		data = repr(time.time())
 ##		data = data + (1400 - len(data)) * '\0'
 		s.sendto(data, (mygroup, MYPORT))
 		time.sleep(1)
@@ -53,7 +53,7 @@
 	while 1:
 		data, sender = s.recvfrom(1500)
 		while data[-1:] == '\0': data = data[:-1] # Strip trailing \0's
-		print sender, ':', `data`
+		print sender, ':', repr(data)
 
 
 # Open a UDP socket, bind it to a port and select a multicast group
diff --git a/Demo/sockets/radio.py b/Demo/sockets/radio.py
index 6131d40..b68a4ec 100755
--- a/Demo/sockets/radio.py
+++ b/Demo/sockets/radio.py
@@ -10,5 +10,5 @@
 
 while 1:
 	data, wherefrom = s.recvfrom(1500, 0)
-	sys.stderr.write(`wherefrom` + '\n')
+	sys.stderr.write(repr(wherefrom) + '\n')
 	sys.stdout.write(data)
diff --git a/Demo/sockets/telnet.py b/Demo/sockets/telnet.py
index ee7c43b..d86cbeb 100755
--- a/Demo/sockets/telnet.py
+++ b/Demo/sockets/telnet.py
@@ -53,7 +53,7 @@
 	try:
 		s.connect((host, port))
 	except error, msg:
-		sys.stderr.write('connect failed: ' + `msg` + '\n')
+		sys.stderr.write('connect failed: ' + repr(msg) + '\n')
 		sys.exit(1)
 	#
 	pid = posix.fork()
diff --git a/Demo/sockets/udpecho.py b/Demo/sockets/udpecho.py
index 4410165..720cfe1 100755
--- a/Demo/sockets/udpecho.py
+++ b/Demo/sockets/udpecho.py
@@ -37,7 +37,7 @@
 	print 'udp echo server ready'
 	while 1:
 		data, addr = s.recvfrom(BUFSIZE)
-		print 'server received', `data`, 'from', `addr`
+		print 'server received %r from %r' % (data, addr)
 		s.sendto(data, addr)
 
 def client():
@@ -58,6 +58,6 @@
 			break
 		s.sendto(line, addr)
 		data, fromaddr = s.recvfrom(BUFSIZE)
-		print 'client received', `data`, 'from', `fromaddr`
+		print 'client received %r from %r' % (data, fromaddr)
 
 main()
diff --git a/Demo/sockets/unicast.py b/Demo/sockets/unicast.py
index 1e9caeb..0a30f35 100644
--- a/Demo/sockets/unicast.py
+++ b/Demo/sockets/unicast.py
@@ -9,7 +9,7 @@
 s.bind(('', 0))
 
 while 1:
-	data = `time.time()` + '\n'
+	data = repr(time.time()) + '\n'
 	s.sendto(data, ('', MYPORT))
 	time.sleep(2)
 
diff --git a/Demo/sockets/unixclient.py b/Demo/sockets/unixclient.py
index a0d80f6..cccd617 100644
--- a/Demo/sockets/unixclient.py
+++ b/Demo/sockets/unixclient.py
@@ -7,4 +7,4 @@
 s.send('Hello, world')
 data = s.recv(1024)
 s.close()
-print 'Received', `data`
+print 'Received', repr(data)