DMC-1105: adapt syntax to python3

example/python/gfal2_bring_online.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ##
 # Example : bring online a file with gfal 2.0
@@ -9,7 +9,7 @@
 
 if __name__ == '__main__':
     if len(sys.argv) < 2:
-        print "Usage: %s [surl]" % sys.argv[0]
+        print("Usage: %s [surl]" % sys.argv[0])
         sys.exit(1)
 
     surl = sys.argv[1]
@@ -18,23 +18,23 @@
     try:
         # bring_online(surl, pintime, timeout, async)
         (status, token) = ctx.bring_online(surl, 60, 60, False)
-        print "Got token %s" % token
+        print("Got token %s" % token)
         while status == 0:
             status = ctx.bring_online_poll(surl, token)
-        print "File brought online!"
-    except gfal2.GError, e:
-        print "Could not bring the file online:"
-        print "\t", e.message
-	print "\t Code", e.code
+        print("File brought online!")
+    except gfal2.GError as e:
+        print("Could not bring the file online:")
+        print("\t", e.message)
+        print("\t Code", e.code)
         sys.exit(2)
 
     try:
         ctx.release(surl, token)
-        print "File released!"
-    except gfal2.GError, e:
-        print "Could not release the file:"
-        print "\t", e.message
-	print "\t Code", e.code
+        print("File released!")
+    except gfal2.GError as e:
+        print("Could not release the file:")
+        print("\t", e.message)
+        print("\t Code", e.code)
         sys.exit(3)
 
     sys.exit(0)

example/python/gfal2_bulk_bring_online.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ##
 # Example : bring online a set of files with gfal2

example/python/gfal2_bulk_copy.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ##
 # Example : copy a set of files in one go
@@ -9,11 +9,11 @@
 import sys
 
 def event_callback(event):
-    print "[%s] %s %s %s" % (event.timestamp, event.domain, event.stage, event.description)
+    print("[%s] %s %s %s" % (event.timestamp, event.domain, event.stage, event.description))
 
 
 def monitor_callback(src, dst, average, instant, transferred, elapsed):
-    print "[%4d] %.2fMB (%.2fKB/s)\r" % (elapsed, transferred / 1048576, average / 1024),
+    print("[%4d] %.2fMB (%.2fKB/s)\r" % (elapsed, transferred / 1048576, average / 1024)),
     sys.stdout.flush()
 
 
@@ -38,7 +38,7 @@ def monitor_callback(src, dst, average, instant, transferred, elapsed):
             sources.append(l[0])
             destinations.append(l[1])
 
-    print "Found %d pairs" % len(sources)
+    print("Found %d pairs" % len(sources))
 
     # Instantiate gfal2
     ctx = gfal2.creat_context()
@@ -50,11 +50,11 @@ def monitor_callback(src, dst, average, instant, transferred, elapsed):
 
     if options.overwrite:
         params.overwrite = True
-        print "Enabled overwrite"
+        print("Enabled overwrite")
 
     if options.validate:
         params.checksum_check = True
-        print "Enabled checksum check"
+        print("Enabled checksum check")
 
     # Copy!
     # In this case, an exception will be thrown if the whole process fails
@@ -63,17 +63,17 @@ def monitor_callback(src, dst, average, instant, transferred, elapsed):
     try:
         errors = ctx.filecopy(params, sources, destinations)
         if not errors:
-            print "Copy succeeded!"
+            print("Copy succeeded!")
         else:
             for i in range(len(errors)):
                 e = errors[i]
                 src = sources[i]
                 dst = destinations[i]
                 if e:
-                    print "%s => %s failed [%d] %s" % (src, dst, e.code, e.message)
+                    print("%s => %s failed [%d] %s" % (src, dst, e.code, e.message))
                 else:
-                    print "%s => %s succeeded!" % (src, dst)
-    except Exception, e:
-        print "Copy failed: %s" % str(e)
+                    print("%s => %s succeeded!" % (src, dst))
+    except Exception as e:
+        print("Copy failed: %s" % str(e))
         sys.exit(1)
 

example/python/gfal2_copy_multiple_cred.py

@@ -7,10 +7,10 @@
 
 def event_callback(event):
 	#print event
-	print "[%s] %s %s %s" % (event.timestamp, event.domain, event.stage, event.description)
+	print("[%s] %s %s %s" % (event.timestamp, event.domain, event.stage, event.description))
 
 def monitor_callback(src, dst, average, instant, transferred, elapsed):
-	print "[%4d] %.2fMB (%.2fKB/s)\r" % (elapsed, transferred / 1048576, average / 1024),
+	print("[%4d] %.2fMB (%.2fKB/s)\r" % (elapsed, transferred / 1048576, average / 1024)),
 	sys.stdout.flush()
 
 if __name__ == '__main__':
@@ -27,9 +27,9 @@ def monitor_callback(src, dst, average, instant, transferred, elapsed):
 						help = 'Checksum (i.e. ADLER32:1234)')
 	parser.add_option('-o', '--overwrite', dest = 'overwrite', action = 'store_true',
 						help = 'Overwrite destination')
-        parser.add_option('--source_cred', dest = 'source_cred', help = 'Credentials for the source storage')
+	parser.add_option('--source_cred', dest = 'source_cred', help = 'Credentials for the source storage')
 
-        parser.add_option('--dest_cred', dest = 'dest_cred', help = 'Credentials for the destination storage')
+	parser.add_option('--dest_cred', dest = 'dest_cred', help = 'Credentials for the destination storage')
 
 	(options, args) = parser.parse_args()
 	if len(args) != 2:
@@ -38,45 +38,45 @@ def monitor_callback(src, dst, average, instant, transferred, elapsed):
 	source = args[0]
 	dest   = args[1]
 
-	print "Source:      %s" % source
-	print "Destination: %s" % dest
+	print("Source:      %s" % source)
+	print("Destination: %s" % dest)
 
 	# Instantiate gfal2
 	ctx = gfal2.creat_context()
-        gfal2.set_verbose(gfal2.verbose_level.debug)
+	gfal2.set_verbose(gfal2.verbose_level.debug)
 	# Set transfer parameters
 	params = ctx.transfer_parameters()
 	params.event_callback   = event_callback
 	params.monitor_callback = monitor_callback
 
 	if options.overwrite:
 		params.overwrite = True
-		print "Enabled overwrite"
+		print("Enabled overwrite")
 
 	if options.validate or options.checksum:
 		params.checksum_check = True
-		print "Enabled checksum check"
+		print("Enabled checksum check")
 
 	if options.checksum:
 		(alg, val) = options.checksum.split(':')
 		params.set_user_defined_checksum(alg, val)
-		print "User defined checksum: %s:%s" % params.get_user_defined_checksum()
+		print("User defined checksum: %s:%s" % params.get_user_defined_checksum())
 
 	if options.source_space_token:
 		params.src_spacetoken = options.source_space_token
-		print "Source space token: %s" % params.src_spacetoken
+		print("Source space token: %s" % params.src_spacetoken)
 	if options.dest_space_token:
 		params.dst_spacetoken = options.dest_space_token
-		print "Destination space token: %s" % params.dst_spacetoken
+		print("Destination space token: %s" % params.dst_spacetoken)
 
-        if options.source_cred:
+	if options.source_cred:
                 s_cred = gfal2.cred_new("X509_CERT",options.source_cred)
-		gfal2.cred_set(ctx,source,s_cred)
-                print "Source credentials: %s" % options.source_cred
-        if options.dest_cred:
+                gfal2.cred_set(ctx,source,s_cred)
+                print("Source credentials: %s" % options.source_cred)
+	if options.dest_cred:
                 d_cred = gfal2.cred_new("X509_CERT",options.dest_cred)
                 gfal2.cred_set(ctx,dest,d_cred)
-                print "Destination credentials: %s" % options.dest_cred
+                print("Destination credentials: %s" % options.dest_cred)
 	# Five minutes timeout
 	params.timeout = 300
 
@@ -86,8 +86,8 @@ def monitor_callback(src, dst, average, instant, transferred, elapsed):
 	# (i.e. source can be file:/// and destination gsiftp://)
 	try:
 		r = ctx.filecopy(params, source, dest)
-		print "Copy succeeded!"
-	except Exception, e:
-		print "Copy failed: %s" % str(e)
+		print("Copy succeeded!")
+	except Exception as e:
+		print("Copy failed: %s" % str(e))
 		sys.exit(1)
 

example/python/gfal2_get_turls.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ##
 # Example : get list of turls/replicas with gfal 2.0
@@ -9,19 +9,19 @@
 
 if __name__ == '__main__':
     if len(sys.argv) < 2:
-        print "Usage: %s [surl]" % sys.argv[0]
+        print("Usage: %s [surl]" % sys.argv[0])
         sys.exit(1)
 
     surl = sys.argv[1]
 
     ctx = gfal2.creat_context()
     try:
-	replicas = ctx.getxattr(surl, 'user.replicas')
-	print replicas
-    except gfal2.GError, e:
-        print "Could not get the replicas:"
-        print "\t", e.message
-	print "\t Code", e.code
+        replicas = ctx.getxattr(surl, 'user.replicas') 
+        print(replicas)
+    except gfal2.GError as e:
+        print("Could not get the replicas:")
+        print("\t", e.message)
+        print("\t Code", e.code)
         sys.exit(2)
 
     sys.exit(0)

example/python/gfal2_long_listing.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 import sys
 import gfal2

example/python/gfal2_python_listdir.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ##
 # Example : list the content of a directory with gfal 2.0
@@ -13,14 +13,14 @@
 if __name__ == '__main__':
 	# comment for usage
 	if(len(sys.argv) < 2):
-		print "\nUsage\t %s [gfal_folder] \n"%(sys.argv[0])
-		print "    Example: %s lfn:/grid/dteam/ "%(sys.argv[0])
-		print "             %s srm://myserver.com/myhome/ \n"%(sys.argv[0])
+		print("\nUsage\t %s [gfal_folder] \n"%(sys.argv[0]))
+		print("    Example: %s lfn:/grid/dteam/ "%(sys.argv[0]))
+		print("             %s srm://myserver.com/myhome/ \n"%(sys.argv[0]))
 		os._exit(1)
 
 	ctx = gfal2.creat_context()		
 	my_dir = ctx.listdir(sys.argv[1])
 	for d in my_dir:
-		print d
+		print(d)
 
 	# no closedir needed, done automatically 

example/python/gfal2_python_read.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ##
 # Example : open/read/close a file with gfal 2.0
@@ -13,9 +13,9 @@
 if __name__ == '__main__':
 	# comment for usage
 	if(len(sys.argv) < 2):
-		print "\nUsage\t %s [gfal_url] \n"%(sys.argv[0])
-		print "    Example: %s lfn:/grid/dteam/myfile "%(sys.argv[0])
-		print "             %s srm://myserver.com/myhome/myfile \n"%(sys.argv[0])
+		print("\nUsage\t %s [gfal_url] \n"%(sys.argv[0]))
+		print("    Example: %s lfn:/grid/dteam/myfile "%(sys.argv[0]))
+		print("             %s srm://myserver.com/myhome/myfile \n"%(sys.argv[0]))
 		os._exit(1)
 
 	ctx = gfal2.creat_context()
@@ -26,11 +26,11 @@
 	# Hex dump
 	str = []
 	for byte in content:
-		print "%2X " % ord(byte),
+		print("%2X " % ord(byte)),
 		if byte in printable:
 			str.append(byte)
 		else:
 			str.append('.')
-	print '\t', ' '.join(str)
+	print('\t', ' '.join(str))
 
 	# no close needed, done automatically with the destruction of the file handle

example/python/gfal2_recursive_ls.py

@@ -54,7 +54,7 @@ def _crawl(self, url, out, level=0):
             entries = [f for f in self.context.listdir(url)
                        if f != '.' and f != '..']
         except gfal2.GError:
-            print >>out, tabbing, '!'
+            out.write(tabbing, '!')
             return
 
         for f in entries:
@@ -68,9 +68,9 @@ def _crawl(self, url, out, level=0):
 
             # Print entry
             if self.long:
-                print >>out, tabbing, self._long_format(f, fstat)
+                out.write(tabbing, self._long_format(f, fstat))
             else:
-                print >>out, tabbing, self._short_format(f)
+                out.write(tabbing, self._short_format(f))
 
             # Descend
             if self.recursive and stat.S_ISDIR(fstat.st_mode):

example/python/gfal2_simple_listing.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 import sys
 import gfal2