diff --git a/applications/admin/private/hosts.deny b/applications/admin/private/hosts.deny
index e69de29b..3e4e651c 100644
--- a/applications/admin/private/hosts.deny
+++ b/applications/admin/private/hosts.deny
@@ -0,0 +1 @@
+127.0.0.1 2 1464635785
diff --git a/gluon/admin.py b/gluon/admin.py
index 87b76924..61aa56e8 100644
--- a/gluon/admin.py
+++ b/gluon/admin.py
@@ -9,6 +9,7 @@
 Utility functions for the Admin application
 -------------------------------------------
 """
+from __future__ import print_function
 import os
 import sys
 import traceback
@@ -60,7 +61,7 @@ def app_pack(app, request, raise_ex=False, filenames=None):
         return filename
     except Exception as e:
         import traceback
-        print traceback.format_exc()
+        print(traceback.format_exc())
         if raise_ex:
             raise
         return False
@@ -343,7 +344,7 @@ def check_new_version(myversion, version_url):
         pmyversion = parse_version(myversion)
     except IOError:
         import traceback
-        print traceback.format_exc()
+        print(traceback.format_exc())
         return -1, myversion
 
     if pversion[:3]+pversion[-6:] > pmyversion[:3]+pmyversion[-6:]:
diff --git a/gluon/contrib/AuthorizeNet.py b/gluon/contrib/AuthorizeNet.py
index 13888be5..02f7a697 100755
--- a/gluon/contrib/AuthorizeNet.py
+++ b/gluon/contrib/AuthorizeNet.py
@@ -13,6 +13,7 @@ Modifed by Massimo Di Pierro
 - namedtuple from http://code.activestate.com/recipes/500261/
 
 """
+from __future__ import print_function
 
 __all__ = ['AIM']
 
@@ -248,23 +249,23 @@ def test():
         payment.setParameter('x_email_customer', False)
         payment.process()
         if payment.isApproved():
-            print 'Response Code: ', payment.response.ResponseCode
-            print 'Response Text: ', payment.response.ResponseText
-            print 'Response: ', payment.getResultResponseFull()
-            print 'Transaction ID: ', payment.response.TransactionID
-            print 'CVV Result: ', payment.response.CVVResponse
-            print 'Approval Code: ', payment.response.AuthCode
-            print 'AVS Result: ', payment.response.AVSResponse
+            print('Response Code: ', payment.response.ResponseCode)
+            print('Response Text: ', payment.response.ResponseText)
+            print('Response: ', payment.getResultResponseFull())
+            print('Transaction ID: ', payment.response.TransactionID)
+            print('CVV Result: ', payment.response.CVVResponse)
+            print('Approval Code: ', payment.response.AuthCode)
+            print('AVS Result: ', payment.response.AVSResponse)
         elif payment.isDeclined():
-            print 'Your credit card was declined by your bank'
+            print('Your credit card was declined by your bank')
         elif payment.isError():
             raise AIM.AIMError('An uncaught error occurred')
     except AIM.AIMError as e:
-        print "Exception thrown:", e
-        print 'An error occured'
-    print 'approved', payment.isApproved()
-    print 'declined', payment.isDeclined()
-    print 'error', payment.isError()
+        print("Exception thrown:", e)
+        print('An error occured')
+    print('approved', payment.isApproved())
+    print('declined', payment.isDeclined())
+    print('error', payment.isError())
 
 if __name__ == '__main__':
     test()
diff --git a/gluon/contrib/DowCommerce.py b/gluon/contrib/DowCommerce.py
index 00487046..31fd7927 100644
--- a/gluon/contrib/DowCommerce.py
+++ b/gluon/contrib/DowCommerce.py
@@ -9,6 +9,7 @@ Modifed by Dave Stoll dave.stoll@gmail.com
 
 - modifed to support Dow Commerce API
 """
+from __future__ import print_function
 
 __all__ = ['DowCommerce']
 
@@ -227,18 +228,18 @@ def test():
 
         payment.process()
         if payment.isApproved():
-            print 'Payment approved!'
-            print payment.getFullResponse()
+            print('Payment approved!')
+            print(payment.getFullResponse())
         elif payment.isDeclined():
-            print 'Your credit card was declined by your bank'
+            print('Your credit card was declined by your bank')
         elif payment.isError():
             raise DowCommerce.DowCommerceError('An uncaught error occurred')
     except DowCommerce.DowCommerceError as e:
-        print "Exception thrown:", e
-        print 'An error occured'
-    print 'approved', payment.isApproved()
-    print 'declined', payment.isDeclined()
-    print 'error', payment.isError()
+        print("Exception thrown:", e)
+        print('An error occured')
+    print('approved', payment.isApproved())
+    print('declined', payment.isDeclined())
+    print('error', payment.isError())
 
 if __name__ == '__main__':
     test()
diff --git a/gluon/contrib/autolinks.py b/gluon/contrib/autolinks.py
index c673ac66..1bd2bc8e 100644
--- a/gluon/contrib/autolinks.py
+++ b/gluon/contrib/autolinks.py
@@ -41,6 +41,7 @@ wordpress.com
 revision3.com
 viddler.com
 """
+from __future__ import print_function
 
 import re
 import cgi
@@ -215,6 +216,6 @@ laoreet tortor.</p>
 
 if __name__ == "__main__":
     if len(sys.argv) > 1:
-        print expand_html(open(sys.argv[1]).read())
+        print(expand_html(open(sys.argv[1]).read()))
     else:
-        print test()
+        print(test())
diff --git a/gluon/contrib/markdown/markdown2.py b/gluon/contrib/markdown/markdown2.py
index 50af2a5f..6eda8502 100644
--- a/gluon/contrib/markdown/markdown2.py
+++ b/gluon/contrib/markdown/markdown2.py
@@ -35,6 +35,7 @@ This implementation of Markdown implements the full "core" syntax plus a
 number of extras (e.g., code syntax coloring, footnotes) as described on
 <https://github.com/trentm/python-markdown2/wiki/Extras>.
 """
+from __future__ import print_function
 
 cmdln_desc = """A fast and complete Python implementation of Markdown, a
 text-to-HTML conversion tool for web writers.
diff --git a/gluon/contrib/markmin/markmin2html.py b/gluon/contrib/markmin/markmin2html.py
index 3e03010a..c053a6b0 100755
--- a/gluon/contrib/markmin/markmin2html.py
+++ b/gluon/contrib/markmin/markmin2html.py
@@ -3,6 +3,7 @@
 # created by Massimo Di Pierro
 # recreated by Vladyslav Kozlovskyy
 # license MIT/BSD/GPL
+from __future__ import print_function
 import re
 import urllib
 from cgi import escape
@@ -45,11 +46,11 @@ Example of usage:
 ``
 m = "Hello **world** [[link http://web2py.com]]"
 from markmin2html import markmin2html
-print markmin2html(m)
+print(markmin2html(m))
 from markmin2latex import markmin2latex
-print markmin2latex(m)
+print(markmin2latex(m))
 from markmin2pdf import markmin2pdf # requires pdflatex
-print markmin2pdf(m)
+print(markmin2pdf(m))
 ``
 ====================
 # This is a test block
@@ -803,7 +804,7 @@ def render(text,
     >>> render("``aaa``:custom", extra=dict(custom=lambda text: 'x'+text+'x'))
     'xaaax'
 
-    >>> print render(r"$$\int_a^b sin(x)dx$$")
+    >>> print(render(r"$$\int_a^b sin(x)dx$$"))
     <img src="http://chart.apis.google.com/chart?cht=tx&chl=%5Cint_a%5Eb%20sin%28x%29dx" />
 
     >>> markmin2html(r"use backslash: \[\[[[mess\[[ag\]]e link]]\]]")
@@ -1494,17 +1495,17 @@ if __name__ == '__main__':
                 pre { background-color: #E0E0E0; padding: 5px; }
               </style>""")[1:]
 
-        print html % dict(title="Markmin markup language",
+        print(html % dict(title="Markmin markup language",
                           style=style,
-                          body=markmin2html(__doc__, pretty_print=True))
+                          body=markmin2html(__doc__, pretty_print=True)))
     elif sys.argv[1:2] == ['-t']:
         from timeit import Timer
 
         loops = 1000
         ts = Timer("markmin2html(__doc__)", "from markmin2html import markmin2html")
-        print 'timeit "markmin2html(__doc__)":'
+        print('timeit "markmin2html(__doc__)":')
         t = min([ts.timeit(loops) for i in range(3)])
-        print "%s loops, best of 3: %.3f ms per loop" % (loops, t / 1000 * loops)
+        print("%s loops, best of 3: %.3f ms per loop" % (loops, t / 1000 * loops))
     elif len(sys.argv) > 1:
         fargv = open(sys.argv[1], 'r')
         try:
@@ -1523,15 +1524,15 @@ if __name__ == '__main__':
             else:
                 markmin_style = ""
 
-            print html % dict(title=sys.argv[1], style=markmin_style,
-                              body=markmin2html(markmin_text, pretty_print=True))
+            print(html % dict(title=sys.argv[1], style=markmin_style,
+                              body=markmin2html(markmin_text, pretty_print=True)))
         finally:
             fargv.close()
 
     else:
-        print "Usage: " + sys.argv[0] + " -h | -t | file.markmin [file.css|@path_to/css]"
-        print "where: -h  - print __doc__"
-        print "       -t  - timeit __doc__ (for testing purpuse only)"
-        print "       file.markmin  [file.css] - process file.markmin + built in file.css (optional)"
-        print "       file.markmin  [@path_to/css] - process file.markmin + link path_to/css (optional)"
+        print("Usage: " + sys.argv[0] + " -h | -t | file.markmin [file.css|@path_to/css]")
+        print("where: -h  - print __doc__")
+        print("       -t  - timeit __doc__ (for testing purpuse only)")
+        print("       file.markmin  [file.css] - process file.markmin + built in file.css (optional)")
+        print("       file.markmin  [@path_to/css] - process file.markmin + link path_to/css (optional)")
         run_doctests()
diff --git a/gluon/contrib/markmin/markmin2latex.py b/gluon/contrib/markmin/markmin2latex.py
index 65bfbab2..ce1fe1d1 100755
--- a/gluon/contrib/markmin/markmin2latex.py
+++ b/gluon/contrib/markmin/markmin2latex.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # created my Massimo Di Pierro
 # license MIT/BSD/GPL
+from __future__ import print_function
 import re
 import cgi
 import sys
@@ -309,4 +310,4 @@ if __name__ == '__main__':
         output = markmin2latex(content,
                                wrapper=wrapper,
                                chapters=options.chapters)
-        print output
+        print(output)
diff --git a/gluon/contrib/markmin/markmin2pdf.py b/gluon/contrib/markmin/markmin2pdf.py
index 95739651..89728a9f 100644
--- a/gluon/contrib/markmin/markmin2pdf.py
+++ b/gluon/contrib/markmin/markmin2pdf.py
@@ -2,6 +2,7 @@
 Created by Massimo Di Pierro
 License BSD
 """
+from __future__ import print_function
 
 import subprocess
 import os
@@ -22,7 +23,7 @@ def removeall(path):
             __func__(path)
         except OSError as xxx_todo_changeme:
             (errno, strerror) = xxx_todo_changeme.args
-            print ERROR_STR % {'path': path, 'error': strerror}
+            print(ERROR_STR % {'path': path, 'error': strerror})
 
     files = [path]
 
@@ -113,10 +114,10 @@ if __name__ == '__main__':
     if sys.argv[1:2] == ['-h']:
         data, warnings, errors = markmin2pdf(markmin2html.__doc__)
         if errors:
-            print 'ERRORS:' + '\n'.join(errors)
-            print 'WARNGINS:' + '\n'.join(warnings)
+            print('ERRORS:' + '\n'.join(errors))
+            print('WARNGINS:' + '\n'.join(warnings))
         else:
-            print data
+            print(data)
     elif len(sys.argv) > 1:
         fargv = open(sys.argv[1], 'rb')
         try:
@@ -124,9 +125,9 @@ if __name__ == '__main__':
         finally:
             fargv.close()
         if errors:
-            print 'ERRORS:' + '\n'.join(errors)
-            print 'WARNGINS:' + '\n'.join(warnings)
+            print('ERRORS:' + '\n'.join(errors))
+            print('WARNGINS:' + '\n'.join(warnings))
         else:
-            print data
+            print(data)
     else:
         doctest.testmod()
diff --git a/gluon/contrib/pam.py b/gluon/contrib/pam.py
index 5b200376..d63c281a 100644
--- a/gluon/contrib/pam.py
+++ b/gluon/contrib/pam.py
@@ -9,6 +9,7 @@ a user against the Pluggable Authentication Modules (PAM) on the system.
 
 Implemented using ctypes, so no compilation is necessary.
 """
+from __future__ import print_function
 __all__ = ['authenticate']
 
 from ctypes import CDLL, POINTER, Structure, CFUNCTYPE, cast, pointer, sizeof
@@ -125,4 +126,4 @@ def authenticate(username, password, service='login'):
 
 if __name__ == "__main__":
     import getpass
-    print authenticate(getpass.getuser(), getpass.getpass())
+    print(authenticate(getpass.getuser(), getpass.getpass()))
diff --git a/gluon/contrib/pbkdf2.py b/gluon/contrib/pbkdf2.py
index b311c53f..66b8b287 100644
--- a/gluon/contrib/pbkdf2.py
+++ b/gluon/contrib/pbkdf2.py
@@ -40,6 +40,7 @@
     :copyright: (c) Copyright 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+from __future__ import print_function
 import hmac
 try:
     from hashlib import sha1
@@ -92,14 +93,14 @@ def test():
     def check(data, salt, iterations, keylen, expected):
         rv = pbkdf2_hex(data, salt, iterations, keylen)
         if rv != expected:
-            print 'Test failed:'
-            print '  Expected:   %s' % expected
-            print '  Got:        %s' % rv
-            print '  Parameters:'
-            print '    data=%s' % data
-            print '    salt=%s' % salt
-            print '    iterations=%d' % iterations
-            print
+            print('Test failed:')
+            print('  Expected:   %s' % expected)
+            print('  Got:        %s' % rv)
+            print('  Parameters:')
+            print('    data=%s' % data)
+            print('    salt=%s' % salt)
+            print('    iterations=%d' % iterations)
+            print()
             failed.append(1)
 
     # From RFC 6070
diff --git a/gluon/contrib/pbkdf2_ctypes.py b/gluon/contrib/pbkdf2_ctypes.py
index 6aa62343..4d64a12f 100644
--- a/gluon/contrib/pbkdf2_ctypes.py
+++ b/gluon/contrib/pbkdf2_ctypes.py
@@ -18,6 +18,7 @@
     :license: LGPLv3
 
 """
+from __future__ import print_function
 
 import ctypes
 import ctypes.util
diff --git a/gluon/contrib/pdfinvoice.py b/gluon/contrib/pdfinvoice.py
index 4c04fc0f..483e78d8 100644
--- a/gluon/contrib/pdfinvoice.py
+++ b/gluon/contrib/pdfinvoice.py
@@ -1,6 +1,7 @@
 """
 BSD license -  created by Massimo Di Pierro
 """
+from __future__ import print_function
 from reportlab.pdfgen.canvas import Canvas
 from reportlab.platypus import Table
 from reportlab.lib.pagesizes import A4
@@ -158,4 +159,4 @@ if __name__=='__main__':
             ['000001','Chairs',600.0],
             ['','Tax',50.0]],
         }
-    print PDF().draw(invoice,items_page=20)
+    print(PDF().draw(invoice,items_page=20))
diff --git a/gluon/contrib/populate.py b/gluon/contrib/populate.py
index cc7dd216..92c1fec6 100644
--- a/gluon/contrib/populate.py
+++ b/gluon/contrib/populate.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import re
 import cPickle
 import random
@@ -267,4 +268,4 @@ def populate_generator(table, default=True, compute=False, contents={}):
 if __name__ == '__main__':
     ell = Learner()
     ell.loadd(IUP)
-    print ell.generate(1000, prefix=None)
+    print(ell.generate(1000, prefix=None))
diff --git a/gluon/contrib/pyrtf/Elements.py b/gluon/contrib/pyrtf/Elements.py
index 40732cb1..afdff5f8 100644
--- a/gluon/contrib/pyrtf/Elements.py
+++ b/gluon/contrib/pyrtf/Elements.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 from    types       import  IntType, FloatType, LongType, StringTypes
 from    copy        import  deepcopy
 from    binascii    import  hexlify
@@ -386,7 +387,7 @@ def _get_emf_dimensions( fin ):
     if 0:
         klist = sorted(header.__dict__.keys())
         for k in klist:
-            print "%20s:%s" % (k,header.__dict__[k])
+            print("%20s:%s" % (k,header.__dict__[k]))
 
     dw = header.FrameRight-header.FrameLeft
     dh = header.FrameBottom-header.FrameTop
diff --git a/gluon/contrib/qdb.py b/gluon/contrib/qdb.py
index feaaaabd..6e32e6f7 100644
--- a/gluon/contrib/qdb.py
+++ b/gluon/contrib/qdb.py
@@ -2,6 +2,7 @@
 # coding:utf-8
 
 "Queues(Pipe)-based independent remote client-server Python Debugger"
+from __future__ import print_function
 
 __author__ = "Mariano Reingart (reingart@gmail.com)"
 __copyright__ = "Copyright (C) 2011 Mariano Reingart"
@@ -260,7 +261,7 @@ class Qdb(bdb.Bdb):
             self.frame.f_lineno = arg
             return arg
         except ValueError as e:
-            print '*** Jump failed:', e
+            print('*** Jump failed:', e)
             return False
 
     def do_list(self, arg):
@@ -317,7 +318,7 @@ class Qdb(bdb.Bdb):
         # required by BDB to remove temp breakpoints!
         err = self.clear_bpbynumber(arg)
         if err:
-            print '*** DO_CLEAR failed', err
+            print('*** DO_CLEAR failed', err)
 
     def do_eval(self, arg, safe=True):
         ret = eval(arg, self.frame.f_globals,
@@ -612,8 +613,8 @@ class Frontend(object):
                 # nested request received (i.e. readline)! process it!
                 self.process_message(res)
             elif long(req['id']) != long(res['id']):
-                print "DEBUGGER wrong packet received: expecting id", req[
-                    'id'], res['id']
+                print("DEBUGGER wrong packet received: expecting id", req[
+                    'id'], res['id'])
                 # protocol state is unknown
             elif 'error' in res and res['error']:
                 raise RPCError(res['error']['message'])
@@ -639,7 +640,7 @@ class Frontend(object):
     def do_jump(self, arg):
         "Set the next line that will be executed."
         res = self.call('do_jump', arg)
-        print res
+        print(res)
 
     def do_where(self, arg=None):
         "Print a stack trace, with the most recent frame at the bottom."
@@ -719,22 +720,22 @@ class Cli(Frontend, cmd.Cmd):
             try:
                 Frontend.run(self)
             except KeyboardInterrupt:
-                print "Interupting..."
+                print("Interupting...")
                 self.interrupt()
 
     def interaction(self, filename, lineno, line):
-        print "> %s(%d)\n-> %s" % (filename, lineno, line),
+        print("> %s(%d)\n-> %s" % (filename, lineno, line), end=' ')
         self.filename = filename
         self.cmdloop()
 
     def exception(self, title, extype, exvalue, trace, request):
-        print "=" * 80
-        print "Exception", title
-        print request
-        print "-" * 80
+        print("=" * 80)
+        print("Exception", title)
+        print(request)
+        print("-" * 80)
 
     def write(self, text):
-        print text,
+        print(text, end=' ')
 
     def readline(self):
         return raw_input()
@@ -753,7 +754,7 @@ class Cli(Frontend, cmd.Cmd):
 
     def do_eval(self, args):
         "Inspect the value of the expression"
-        print Frontend.do_eval(self, args)
+        print(Frontend.do_eval(self, args))
 
     def do_list(self, args):
         "List source code for the current file"
@@ -768,19 +769,19 @@ class Cli(Frontend, cmd.Cmd):
     def do_environment(self, args=None):
         env = Frontend.do_environment(self)
         for key in env:
-            print "=" * 78
-            print key.capitalize()
-            print "-" * 78
+            print("=" * 78)
+            print(key.capitalize())
+            print("-" * 78)
             for name, value in env[key].items():
-                print "%-12s = %s" % (name, value)
+                print("%-12s = %s" % (name, value))
 
     def do_list_breakpoint(self, arg=None):
         "List all breakpoints"
         breaks = Frontend.do_list_breakpoint(self)
-        print "Num File                          Line Temp Enab Hits Cond"
+        print("Num File                          Line Temp Enab Hits Cond")
         for bp in breaks:
-            print '%-4d%-30s%4d %4s %4s %4d %s' % bp
-        print
+            print('%-4d%-30s%4d %4s %4s %4d %s' % bp)
+        print()
 
     def do_set_breakpoint(self, arg):
         "Set a breakpoint at filename:breakpoint"
@@ -802,26 +803,26 @@ class Cli(Frontend, cmd.Cmd):
     def default(self, line):
         "Default command"
         if line[:1] == '!':
-            print self.do_exec(line[1:])
+            print(self.do_exec(line[1:]))
         else:
-            print "*** Unknown command: ", line
+            print("*** Unknown command: ", line)
 
     def print_lines(self, lines):
         for filename, lineno, bp, current, source in lines:
-            print "%s:%4d%s%s\t%s" % (filename, lineno, bp, current, source),
-        print
+            print("%s:%4d%s%s\t%s" % (filename, lineno, bp, current, source), end=' ')
+        print()
 
 
 def test():
     def f(pipe):
-        print "creating debugger"
+        print("creating debugger")
         qdb = Qdb(pipe=pipe, redirect_stdio=False)
-        print "set trace"
+        print("set trace")
 
         my_var = "Mariano!"
         qdb.set_trace()
-        print "hello world!"
-        print "good by!"
+        print("hello world!")
+        print("good by!")
         saraza
 
     if '--process' in sys.argv:
@@ -841,20 +842,20 @@ def test():
 
     class Test(Frontend):
         def interaction(self, *args):
-            print "interaction!", args
+            print("interaction!", args)
 
         def exception(self, *args):
-            print "exception", args
+            print("exception", args)
             #raise RuntimeError("exception %s" % repr(args))
 
     qdb = Test(front_conn)
     time.sleep(5)
 
     while True:
-        print "running..."
+        print("running...")
         Frontend.run(qdb)
         time.sleep(1)
-        print "do_next"
+        print("do_next")
         qdb.do_next()
     p.join()
 
@@ -865,7 +866,7 @@ def connect(host="localhost", port=6000, authkey='secret password'):
     address = (host, port)
     from multiprocessing.connection import Client
 
-    print "qdb debugger fronted: waiting for connection to", address
+    print("qdb debugger fronted: waiting for connection to", address)
     conn = Client(address, authkey=authkey)
     try:
         Cli(conn).run()
@@ -879,12 +880,12 @@ def main(host='localhost', port=6000, authkey='secret password'):
     "Debug a script and accept a remote frontend"
 
     if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
-        print "usage: pdb.py scriptfile [arg] ..."
+        print("usage: pdb.py scriptfile [arg] ...")
         sys.exit(2)
 
     mainpyfile = sys.argv[1]     # Get script filename
     if not os.path.exists(mainpyfile):
-        print 'Error:', mainpyfile, 'does not exist'
+        print('Error:', mainpyfile, 'does not exist')
         sys.exit(1)
 
     del sys.argv[0]         # Hide "pdb.py" from argument list
@@ -895,20 +896,20 @@ def main(host='localhost', port=6000, authkey='secret password'):
     from multiprocessing.connection import Listener
     address = (host, port)     # family is deduced to be 'AF_INET'
     listener = Listener(address, authkey=authkey)
-    print "qdb debugger backend: waiting for connection at", address
+    print("qdb debugger backend: waiting for connection at", address)
     conn = listener.accept()
-    print 'qdb debugger backend: connected to', listener.last_accepted
+    print('qdb debugger backend: connected to', listener.last_accepted)
 
     # create the backend
     qdb = Qdb(conn, redirect_stdio=True, allow_interruptions=True)
     try:
-        print "running", mainpyfile
+        print("running", mainpyfile)
         qdb._runscript(mainpyfile)
-        print "The program finished"
+        print("The program finished")
     except SystemExit:
         # In most cases SystemExit does not warrant a post-mortem session.
-        print "The program exited via sys.exit(). Exit status: ",
-        print sys.exc_info()[1]
+        print("The program exited via sys.exit(). Exit status: ", end=' ')
+        print(sys.exc_info()[1])
         raise
     except:
         raise
diff --git a/gluon/contrib/shell.py b/gluon/contrib/shell.py
index 18d1b44e..c843c0a5 100755
--- a/gluon/contrib/shell.py
+++ b/gluon/contrib/shell.py
@@ -28,6 +28,7 @@
 """
 An interactive, stateful AJAX shell that runs Python code on the server.
 """
+from __future__ import print_function
 
 import logging
 import new
@@ -270,4 +271,4 @@ def run(history, statement, env={}):
 if __name__ == '__main__':
     history = History()
     while True:
-        print run(history, raw_input('>>> ')).rstrip()
+        print(run(history, raw_input('>>> ')).rstrip())
diff --git a/gluon/contrib/simplejsonrpc.py b/gluon/contrib/simplejsonrpc.py
index d4bea7fd..2a4547f7 100644
--- a/gluon/contrib/simplejsonrpc.py
+++ b/gluon/contrib/simplejsonrpc.py
@@ -10,6 +10,7 @@
 # for more details.
 
 "Pythonic simple JSON RPC Client implementation"
+from __future__ import print_function
 
 __author__ = "Mariano Reingart (reingart@gmail.com)"
 __copyright__ = "Copyright (C) 2011 Mariano Reingart"
@@ -145,4 +146,4 @@ if __name__ == "__main__":
     # basic tests:
     location = "http://www.web2py.com.ar/webservices/sample/call/jsonrpc"
     client = ServerProxy(location, verbose='--verbose' in sys.argv,)
-    print client.add(1, 2)
+    print(client.add(1, 2))
diff --git a/gluon/contrib/spreadsheet.py b/gluon/contrib/spreadsheet.py
index 5317ef34..e9c4c76f 100644
--- a/gluon/contrib/spreadsheet.py
+++ b/gluon/contrib/spreadsheet.py
@@ -3,6 +3,7 @@
 """
 Developed by Massimo Di Pierro, optional component of web2py, BSDv3 license.
 """
+from __future__ import print_function
 
 import re
 import pickle
@@ -900,4 +901,4 @@ if __name__ == '__main__':
     s.cell('a', value="2")
     s.cell('b', value="=sin(a)")
     s.cell('c', value="=cos(a)**2+b*b")
-    print s['c'].computed_value
+    print(s['c'].computed_value)
diff --git a/gluon/contrib/stripe.py b/gluon/contrib/stripe.py
index c3575174..9c779cdd 100644
--- a/gluon/contrib/stripe.py
+++ b/gluon/contrib/stripe.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import urllib
 import json
 from hashlib import sha1
@@ -244,8 +245,8 @@ jQuery(function(){
 if __name__ == '__main__':
     key = raw_input('user>')
     d = Stripe(key).charge(100)
-    print 'charged', d['paid']
+    print('charged', d['paid'])
     s = Stripe(key).check(d[u'id'])
-    print 'paid', s['paid'], s['amount'], s['currency']
+    print('paid', s['paid'], s['amount'], s['currency'])
     s = Stripe(key).refund(d[u'id'])
-    print 'refunded', s['refunded']
+    print('refunded', s['refunded'])
diff --git a/gluon/contrib/taskbar_widget.py b/gluon/contrib/taskbar_widget.py
index 1d0ec7d8..785c3ce2 100644
--- a/gluon/contrib/taskbar_widget.py
+++ b/gluon/contrib/taskbar_widget.py
@@ -6,6 +6,7 @@
 # # 11/7/08
 # dual licensed under the web2py license (LGPL) and the Python license.
 
+from __future__ import print_function
 import os
 import sys
 import base64
@@ -78,7 +79,7 @@ class TaskBarIcon:
                 hicon = self.__loadFromFile(fp)
                 os.unlink(fp)
             except:
-                print "Can't load web2py icons - using default"
+                print("Can't load web2py icons - using default")
                 hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
 
         flags = win32gui.NIF_ICON | win32gui.NIF_MESSAGE\
@@ -101,7 +102,7 @@ class TaskBarIcon:
                 # This is common when windows is starting, and this code is hit
                 # before the taskbar has been created.
 
-                print 'Failed to add the taskbar icon - is explorer running?'
+                print('Failed to add the taskbar icon - is explorer running?')
 
                 # but keep running anyway - when explorer starts, we get the
 
@@ -197,7 +198,7 @@ class TaskBarIcon:
             self.status.append(self.EnumStatus.QUIT)
             self.Destroy()
         else:
-            print 'Unknown command -', id
+            print('Unknown command -', id)
 
     def Destroy(self):
         win32gui.DestroyWindow(self.hwnd)
diff --git a/gluon/contrib/timecollect.py b/gluon/contrib/timecollect.py
index fc497c44..22384c22 100644
--- a/gluon/contrib/timecollect.py
+++ b/gluon/contrib/timecollect.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 # Only Python 2.6 and up, because of NamedTuple.
 import time
 from collections import namedtuple
diff --git a/gluon/contrib/webclient.py b/gluon/contrib/webclient.py
index 69cb8337..3beca75c 100644
--- a/gluon/contrib/webclient.py
+++ b/gluon/contrib/webclient.py
@@ -15,6 +15,7 @@ mostly for testing purposes
 
 Some examples at the bottom.
 """
+from __future__ import print_function
 import re
 import time
 import urllib
@@ -160,7 +161,7 @@ class WebClient(object):
                 if match:
                     name = match.group('name')
                     if name in self.sessions and self.sessions[name] != value:
-                        print RuntimeError('Changed session ID %s' % name)
+                        print(RuntimeError('Changed session ID %s' % name))
                     self.sessions[name] = value
 
         # find all forms and formkeys in page
@@ -202,13 +203,13 @@ def test_web2py_registration_and_login():
     assert 'Welcome Homer' in client.text
 
     # print some variables
-    print '\nsessions:\n', client.sessions
-    print '\nheaders:\n', client.headers
-    print '\ncookies:\n', client.cookies
-    print '\nforms:\n', client.forms
-    print
+    print('\nsessions:\n', client.sessions)
+    print('\nheaders:\n', client.headers)
+    print('\ncookies:\n', client.cookies)
+    print('\nforms:\n', client.forms)
+    print()
     for method, url, status, t in client.history:
-        print method, url, status, t
+        print(method, url, status, t)
 
 if __name__ == '__main__':
     test_web2py_registration_and_login()
diff --git a/gluon/contrib/websocket_messaging.py b/gluon/contrib/websocket_messaging.py
index d732e07e..5531629a 100644
--- a/gluon/contrib/websocket_messaging.py
+++ b/gluon/contrib/websocket_messaging.py
@@ -83,6 +83,7 @@ Acknowledgements:
 Tornado code inspired by http://thomas.pelletier.im/2010/08/websocket-tornado-redis/
 
 """
+from __future__ import print_function
 
 import tornado.httpserver
 import tornado.websocket
@@ -117,7 +118,7 @@ class PostHandler(tornado.web.RequestHandler):
         if 'message' in self.request.arguments:
             message = self.request.arguments['message'][0]
             group = self.request.arguments.get('group', ['default'])[0]
-            print '%s:MESSAGE to %s:%s' % (time.time(), group, message)
+            print('%s:MESSAGE to %s:%s' % (time.time(), group, message))
             if hmac_key:
                 signature = self.request.arguments['signature'][0]
                 if not hmac.new(hmac_key, message).hexdigest() == signature:
@@ -167,7 +168,7 @@ class DistributeHandler(tornado.websocket.WebSocketHandler):
             client.write_message('+' + self.name)
         listeners[self.group].append(self)
         names[self] = self.name
-        print '%s:CONNECT to %s' % (time.time(), self.group)
+        print('%s:CONNECT to %s' % (time.time(), self.group))
 
     def on_message(self, message):
         pass
@@ -179,7 +180,7 @@ class DistributeHandler(tornado.websocket.WebSocketHandler):
         # notify clients that a member has left the groups
         for client in listeners.get(self.group, []):
             client.write_message('-' + self.name)
-        print '%s:DISCONNECT from %s' % (time.time(), self.group)
+        print('%s:DISCONNECT from %s' % (time.time(), self.group))
 
 # if your webserver is different from tornado server uncomment this
 # or override using something more restrictive:
diff --git a/gluon/highlight.py b/gluon/highlight.py
index cdafbd1d..13d164f2 100644
--- a/gluon/highlight.py
+++ b/gluon/highlight.py
@@ -6,6 +6,7 @@
 | Copyrighted by Massimo Di Pierro <mdipierro@cs.depaul.edu>
 | License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)
 """
+from __future__ import print_function
 
 import re
 import cgi
@@ -341,5 +342,5 @@ if __name__ == '__main__':
     argfp = open(sys.argv[1])
     data = argfp.read()
     argfp.close()
-    print '<html><body>' + highlight(data, sys.argv[2])\
-        + '</body></html>'
+    print('<html><body>' + highlight(data, sys.argv[2])\
+        + '</body></html>')
diff --git a/gluon/html.py b/gluon/html.py
index 00082c17..6a3608bd 100644
--- a/gluon/html.py
+++ b/gluon/html.py
@@ -9,6 +9,7 @@
 Template helpers
 --------------------------------------------
 """
+from __future__ import print_function
 
 import cgi
 import os
@@ -743,7 +744,7 @@ class DIV(XmlComponent):
 
         >>> a=DIV()
         >>> a.append(SPAN('x'))
-        >>> print a
+        >>> print(a)
         <div><span>x</span></div>
         """
         self._setnode(value)
@@ -759,7 +760,7 @@ class DIV(XmlComponent):
 
         >>> a=DIV()
         >>> a.insert(0, SPAN('x'))
-        >>> print a
+        >>> print(a)
         <div><span>x</span></div>
         """
         self._setnode(value)
@@ -1025,10 +1026,10 @@ class DIV(XmlComponent):
 
         >>> a = DIV(DIV(SPAN('x'),3,DIV(SPAN('y'))))
         >>> for c in a.elements('span', first_only=True): c[0]='z'
-        >>> print a
+        >>> print(a)
         <div><div><span>z</span>3<div><span>y</span></div></div></div>
         >>> for c in a.elements('span'): c[0]='z'
-        >>> print a
+        >>> print(a)
         <div><div><span>z</span>3<div><span>z</span></div></div></div>
 
         It also supports a syntax compatible with jQuery
@@ -1036,10 +1037,10 @@ class DIV(XmlComponent):
         Examples:
 
         >>> a=TAG('<div><span><a id="1-1" u:v=$>hello</a></span><p class="this is a test">world</p></div>')
-        >>> for e in a.elements('div a#1-1, p.is'): print e.flatten()
+        >>> for e in a.elements('div a#1-1, p.is'): print(e.flatten())
         hello
         world
-        >>> for e in a.elements('#1-1'): print e.flatten()
+        >>> for e in a.elements('#1-1'): print(e.flatten())
         hello
         >>> a.elements('a[u:v=$]')[0].xml()
         '<a id="1-1" u:v="$">hello</a>'
@@ -1056,7 +1057,7 @@ class DIV(XmlComponent):
 
         >>> a = DIV(DIV(SPAN('x', _class='abc'), DIV(SPAN('y', _class='abc'), SPAN('z', _class='abc'))))
         >>> b = a.elements('span.abc', replace=P('x', _class='xyz'))
-        >>> print a  # We should .xml() here instead of print
+        >>> print(a)  # We should .xml() here instead of print
         <div><div><p class="xyz">x</p><div><p class="xyz">x</p><p class="xyz">x</p></div></div></div>
 
         "replace" can be a callable, which will be passed the original element and
@@ -1066,7 +1067,7 @@ class DIV(XmlComponent):
 
         >>> a = DIV(DIV(SPAN('x', _class='abc'), DIV(SPAN('y', _class='abc'), SPAN('z', _class='abc'))))
         >>> b = a.elements('span.abc', replace=lambda el: P(el[0], _class='xyz'))
-        >>> print a
+        >>> print(a)
         <div><div><p class="xyz">x</p><div><p class="xyz">y</p><p class="xyz">z</p></div></div></div>
 
         If replace=None, matching elements will be removed completely.
@@ -1075,7 +1076,7 @@ class DIV(XmlComponent):
 
         >>> a = DIV(DIV(SPAN('x', _class='abc'), DIV(SPAN('y', _class='abc'), SPAN('z', _class='abc'))))
         >>> b = a.elements('span', find='y', replace=None)
-        >>> print a
+        >>> print(a)
         <div><div><span class="abc">x</span><div><span class="abc">z</span></div></div></div>
 
         If a "find_text" argument is specified, elements will be searched for text
@@ -1087,7 +1088,7 @@ class DIV(XmlComponent):
 
         >>> a = DIV(DIV(SPAN('x', _class='abc'), DIV(SPAN('y', _class='abc'), SPAN('z', _class='abc'))))
         >>> b = a.elements(find_text=re.compile('x|y|z'), replace='hello')
-        >>> print a
+        >>> print(a)
         <div><div><span class="abc">hello</span><div><span class="abc">hello</span><span class="abc">hello</span></div></div></div>
 
         If other attributes are specified along with find_text, then only components
@@ -1097,7 +1098,7 @@ class DIV(XmlComponent):
 
         >>> a = DIV(DIV(SPAN('x', _class='abc'), DIV(SPAN('y', _class='efg'), SPAN('z', _class='abc'))))
         >>> b = a.elements('span.efg', find_text=re.compile('x|y|z'), replace='hello')
-        >>> print a
+        >>> print(a)
         <div><div><span class="abc">x</span><div><span class="efg">hello</span><span class="abc">z</span></div></div></div>
         """
         if len(args) == 1:
@@ -1273,7 +1274,7 @@ class __TAG__(XmlComponent):
 
     Examples:
 
-    >>> print TAG.first(TAG.second('test'), _key = 3)
+    >>> print(TAG.first(TAG.second('test'), _key = 3))
     <first key=\"3\"><second>test</second></first>
 
     """
@@ -1633,7 +1634,7 @@ class CODE(DIV):
 
     Examples:
 
-    {{=CODE(\"print 'hello world'\", language='python', link=None,
+    {{=CODE(\"print('hello world')\", language='python', link=None,
         counter=1, styles={}, highlight_line=None)}}
 
 
@@ -1862,7 +1863,7 @@ class INPUT(DIV):
                     (value, errors) = validator(value)
                 except:
                     import traceback
-                    print traceback.format_exc()
+                    print(traceback.format_exc())
                     msg = "Validation error, field:%s %s" % (name,validator)
                     raise Exception(msg)
                 if errors is not None:
@@ -2608,34 +2609,34 @@ def test():
     Example:
 
     >>> from validators import *
-    >>> print DIV(A('click me', _href=URL(a='a', c='b', f='c')), BR(), HR(), DIV(SPAN("World"), _class='unknown')).xml()
+    >>> print(DIV(A('click me', _href=URL(a='a', c='b', f='c')), BR(), HR(), DIV(SPAN("World"), _class='unknown')).xml())
     <div><a href="/a/b/c">click me</a><br /><hr /><div class=\"unknown\"><span>World</span></div></div>
-    >>> print DIV(UL("doc","cat","mouse")).xml()
+    >>> print(DIV(UL("doc","cat","mouse")).xml())
     <div><ul><li>doc</li><li>cat</li><li>mouse</li></ul></div>
-    >>> print DIV(UL("doc", LI("cat", _class='feline'), 18)).xml()
+    >>> print(DIV(UL("doc", LI("cat", _class='feline'), 18)).xml())
     <div><ul><li>doc</li><li class=\"feline\">cat</li><li>18</li></ul></div>
-    >>> print TABLE(['a', 'b', 'c'], TR('d', 'e', 'f'), TR(TD(1), TD(2), TD(3))).xml()
+    >>> print(TABLE(['a', 'b', 'c'], TR('d', 'e', 'f'), TR(TD(1), TD(2), TD(3))).xml())
     <table><tr><td>a</td><td>b</td><td>c</td></tr><tr><td>d</td><td>e</td><td>f</td></tr><tr><td>1</td><td>2</td><td>3</td></tr></table>
     >>> form=FORM(INPUT(_type='text', _name='myvar', requires=IS_EXPR('int(value)<10')))
-    >>> print form.xml()
+    >>> print(form.xml())
     <form action=\"#\" enctype=\"multipart/form-data\" method=\"post\"><input name=\"myvar\" type=\"text\" /></form>
-    >>> print form.accepts({'myvar':'34'}, formname=None)
+    >>> print(form.accepts({'myvar':'34'}, formname=None))
     False
-    >>> print form.xml()
+    >>> print(form.xml())
     <form action="#" enctype="multipart/form-data" method="post"><input class="invalidinput" name="myvar" type="text" value="34" /><div class="error_wrapper"><div class="error" id="myvar__error">Invalid expression</div></div></form>
-    >>> print form.accepts({'myvar':'4'}, formname=None, keepvalues=True)
+    >>> print(form.accepts({'myvar':'4'}, formname=None, keepvalues=True))
     True
-    >>> print form.xml()
+    >>> print(form.xml())
     <form action=\"#\" enctype=\"multipart/form-data\" method=\"post\"><input name=\"myvar\" type=\"text\" value=\"4\" /></form>
     >>> form=FORM(SELECT('cat', 'dog', _name='myvar'))
-    >>> print form.accepts({'myvar':'dog'}, formname=None, keepvalues=True)
+    >>> print(form.accepts({'myvar':'dog'}, formname=None, keepvalues=True))
     True
-    >>> print form.xml()
+    >>> print(form.xml())
     <form action=\"#\" enctype=\"multipart/form-data\" method=\"post\"><select name=\"myvar\"><option value=\"cat\">cat</option><option selected=\"selected\" value=\"dog\">dog</option></select></form>
     >>> form=FORM(INPUT(_type='text', _name='myvar', requires=IS_MATCH('^\w+$', 'only alphanumeric!')))
-    >>> print form.accepts({'myvar':'as df'}, formname=None)
+    >>> print(form.accepts({'myvar':'as df'}, formname=None))
     False
-    >>> print form.xml()
+    >>> print(form.xml())
     <form action="#" enctype="multipart/form-data" method="post"><input class="invalidinput" name="myvar" type="text" value="as df" /><div class="error_wrapper"><div class="error" id="myvar__error">only alphanumeric!</div></div></form>
     >>> session={}
     >>> form=FORM(INPUT(value="Hello World", _name="var", requires=IS_MATCH('^\w+$')))
@@ -2645,8 +2646,8 @@ def test():
     True
     >>> isinstance(form.as_json(), basestring) and len(form.as_json(sanitize=False)) > 0
     True
-    >>> if form.accepts({}, session,formname=None): print 'passed'
-    >>> if form.accepts({'var':'test ', '_formkey': session['_formkey[None]']}, session, formname=None): print 'passed'
+    >>> if form.accepts({}, session,formname=None): print('passed')
+    >>> if form.accepts({'var':'test ', '_formkey': session['_formkey[None]']}, session, formname=None): print('passed')
     """
     pass
 
diff --git a/gluon/main.py b/gluon/main.py
index 8243cb6b..0bf22a3d 100644
--- a/gluon/main.py
+++ b/gluon/main.py
@@ -9,6 +9,7 @@
 The gluon wsgi application
 ---------------------------
 """
+from __future__ import print_function
 
 if False: import import_all # DO NOT REMOVE PART OF FREEZE PROCESS
 import gc
@@ -570,9 +571,9 @@ def save_password(password, port):
         chars = string.letters + string.digits
         password = ''.join([random.choice(chars) for _ in range(8)])
         cpassword = CRYPT()(password)[0]
-        print '******************* IMPORTANT!!! ************************'
-        print 'your admin password is "%s"' % password
-        print '*********************************************************'
+        print('******************* IMPORTANT!!! ************************')
+        print('your admin password is "%s"' % password)
+        print('*********************************************************')
     elif password == '<recycle>':
         # reuse the current password if any
         if exists(password_file):
diff --git a/gluon/rewrite.py b/gluon/rewrite.py
index 69f30d64..3ada7b7c 100644
--- a/gluon/rewrite.py
+++ b/gluon/rewrite.py
@@ -15,6 +15,7 @@ routes.py supports two styles of URL rewriting, depending on whether 'routers' i
 Refer to router.example.py and routes.example.py for additional documentation.
 
 """
+from __future__ import print_function
 
 import os
 import re
@@ -117,7 +118,7 @@ def log_rewrite(string):
     elif params.logging == 'off' or not params.logging:
         pass
     elif params.logging == 'print':
-        print string
+        print(string)
     elif params.logging == 'info':
         logger.info(string)
     elif params.logging == 'warning':
diff --git a/gluon/rocket.py b/gluon/rocket.py
index 6122e35c..74d1ab64 100644
--- a/gluon/rocket.py
+++ b/gluon/rocket.py
@@ -5,6 +5,7 @@
 # Modified by Massimo Di Pierro
 
 # Import System Modules
+from __future__ import print_function
 import sys
 import errno
 import socket
@@ -1681,7 +1682,7 @@ class WSGIWorker(Worker):
                 environ['SSL_CLIENT_RAW_CERT'] = \
                     peercert and ssl.DER_cert_to_PEM_cert(peercert)
             except Exception:
-                print sys.exc_info()[1]
+                print(sys.exc_info()[1])
         else:
             environ['wsgi.url_scheme'] = 'http'
 
@@ -1907,7 +1908,7 @@ def demo():
     (options, args) = parser.parse_args()
     global static_folder
     static_folder = options.static
-    print 'Rocket running on %s:%s' % (options.ip, options.port)
+    print('Rocket running on %s:%s' % (options.ip, options.port))
     r=Rocket((options.ip,int(options.port)),'wsgi', {'wsgi_app':demo_app})
     r.start()
 
diff --git a/gluon/rocket.py.footer b/gluon/rocket.py.footer
index d6be8ef3..7d76ea4b 100644
--- a/gluon/rocket.py.footer
+++ b/gluon/rocket.py.footer
@@ -1,3 +1,4 @@
+from __future__ import print_function
 # The following code is not part of Rocket but was added to
 # web2py for testing purposes.
 
@@ -42,7 +43,7 @@ def demo():
     (options, args) = parser.parse_args()
     global static_folder
     static_folder = options.static
-    print 'Rocket running on %s:%s' % (options.ip, options.port)
+    print('Rocket running on %s:%s' % (options.ip, options.port))
     r = Rocket((options.ip, int(options.port)), 'wsgi', {'wsgi_app': demo_app})
     r.start()
 
diff --git a/gluon/scheduler.py b/gluon/scheduler.py
index 1e588ed1..27721c99 100644
--- a/gluon/scheduler.py
+++ b/gluon/scheduler.py
@@ -8,6 +8,7 @@
 Background processes made simple
 ---------------------------------
 """
+from __future__ import print_function
 
 
 import os
@@ -1458,26 +1459,26 @@ def main():
     )
     (options, args) = parser.parse_args()
     if not options.tasks or not options.db_uri:
-        print USAGE
+        print(USAGE)
     if options.tasks:
         path, filename = os.path.split(options.tasks)
         if filename.endswith('.py'):
             filename = filename[:-3]
         sys.path.append(path)
-        print 'importing tasks...'
+        print('importing tasks...')
         tasks = __import__(filename, globals(), locals(), [], -1).tasks
-        print 'tasks found: ' + ', '.join(tasks.keys())
+        print('tasks found: ' + ', '.join(tasks.keys()))
     else:
         tasks = {}
     group_names = [x.strip() for x in options.group_names.split(',')]
 
     logging.getLogger().setLevel(options.logger_level)
 
-    print 'groups for this worker: ' + ', '.join(group_names)
-    print 'connecting to database in folder: ' + options.db_folder or './'
-    print 'using URI: ' + options.db_uri
+    print('groups for this worker: ' + ', '.join(group_names))
+    print('connecting to database in folder: ' + options.db_folder or './')
+    print('using URI: ' + options.db_uri)
     db = DAL(options.db_uri, folder=options.db_folder)
-    print 'instantiating scheduler...'
+    print('instantiating scheduler...')
     scheduler = Scheduler(db=db,
                           worker_name=options.worker_name,
                           tasks=tasks,
@@ -1487,7 +1488,7 @@ def main():
                           max_empty_runs=options.max_empty_runs,
                           utc_time=options.utc_time)
     signal.signal(signal.SIGTERM, lambda signum, stack_frame: sys.exit(1))
-    print 'starting main worker loop...'
+    print('starting main worker loop...')
     scheduler.loop()
 
 if __name__ == '__main__':
diff --git a/gluon/shell.py b/gluon/shell.py
index 1e1cbebd..ae30a4f1 100644
--- a/gluon/shell.py
+++ b/gluon/shell.py
@@ -10,6 +10,7 @@
 Web2py environment in the shell
 --------------------------------
 """
+from __future__ import print_function
 
 import os
 import sys
@@ -265,7 +266,7 @@ def run(
             if import_models:
                 BaseAdapter.close_all_instances('commit')
         except Exception as e:
-            print traceback.format_exc()
+            print(traceback.format_exc())
             if import_models:
                 BaseAdapter.close_all_instances('rollback')
     elif python_code:
@@ -274,7 +275,7 @@ def run(
             if import_models:
                 BaseAdapter.close_all_instances('commit')
         except Exception as e:
-            print traceback.format_exc()
+            print(traceback.format_exc())
             if import_models:
                 BaseAdapter.close_all_instances('rollback')
     else:
@@ -347,7 +348,7 @@ def parse_path_info(path_info, av=False):
 
 
 def die(msg):
-    print >> sys.stderr, msg
+    print(msg, file=sys.stderr)
     sys.exit(1)
 
 
diff --git a/gluon/tests/test_appadmin.py b/gluon/tests/test_appadmin.py
index 674399fd..f8a62ee6 100644
--- a/gluon/tests/test_appadmin.py
+++ b/gluon/tests/test_appadmin.py
@@ -4,6 +4,7 @@
 """
     Unit tests for gluon.sqlhtml
 """
+from __future__ import print_function
 import os
 import sys
 import unittest
@@ -87,7 +88,7 @@ class TestAppAdmin(unittest.TestCase):
         try:
             self.run_view()
         except Exception as e:
-            print e.message
+            print(e.message)
             self.fail('Could not make the view')
 
     def test_select(self):
@@ -102,7 +103,7 @@ class TestAppAdmin(unittest.TestCase):
         try:
             self.run_view()
         except Exception as e:
-            print e.message
+            print(e.message)
             self.fail('Could not make the view')
 
     def test_insert(self):
@@ -116,7 +117,7 @@ class TestAppAdmin(unittest.TestCase):
         try:
             self.run_view()
         except Exception as e:
-            print e.message
+            print(e.message)
             self.fail('Could not make the view')
 
     def test_insert_submit(self):
@@ -138,7 +139,7 @@ class TestAppAdmin(unittest.TestCase):
         try:
             self.run_view()
         except Exception as e:
-            print e.message
+            print(e.message)
             self.fail('Could not make the view')
         db = self.env['db']
         lisa_record = db(db.auth_user.username == 'lisasimpson').select().first()
diff --git a/gluon/tests/test_web.py b/gluon/tests/test_web.py
index 95361fc6..33255543 100644
--- a/gluon/tests/test_web.py
+++ b/gluon/tests/test_web.py
@@ -3,6 +3,7 @@
 """
     Unit tests for running web2py
 """
+from __future__ import print_function
 import sys
 import os
 import unittest
@@ -32,22 +33,22 @@ def startwebserver():
             path = os.path.abspath(os.path.join(path, '..'))
     web2py_exec = os.path.join(path, 'web2py.py')
     webserverprocess = subprocess.Popen([sys.executable, web2py_exec, '-a',  'testpass'])
-    print 'Sleeping before web2py starts...'
+    print('Sleeping before web2py starts...')
     for a in range(1, 11):
         time.sleep(1)
-        print a, '...'
+        print(a, '...')
         try:
             c = WebClient('http://127.0.0.1:8000')
             c.get('/')
             break
         except:
             continue
-    print ''
+    print('')
 
 
 def stopwebserver():
     global webserverprocess
-    print 'Killing webserver'
+    print('Killing webserver')
     webserverprocess.terminate()
 
 
diff --git a/gluon/utf8.py b/gluon/utf8.py
index 0c9e4a54..24c90e31 100644
--- a/gluon/utf8.py
+++ b/gluon/utf8.py
@@ -10,6 +10,7 @@
 Utilities and class for UTF8 strings managing
 ----------------------------------------------
 """
+from __future__ import print_function
 import __builtin__
 __all__ = ['Utf8']
 
@@ -749,8 +750,8 @@ if __name__ == '__main__':
         reload(sys)
         sys.setdefaultencoding("UTF-8")
         import doctest
-        print "DOCTESTS STARTED..."
+        print("DOCTESTS STARTED...")
         doctest.testmod()
-        print "DOCTESTS FINISHED"
+        print("DOCTESTS FINISHED")
 
     doctests()
diff --git a/gluon/widget.py b/gluon/widget.py
index 631466ff..143dff36 100644
--- a/gluon/widget.py
+++ b/gluon/widget.py
@@ -9,6 +9,7 @@
 The widget is called from web2py
 ----------------------------------
 """
+from __future__ import print_function
 
 import datetime
 import sys
@@ -118,14 +119,14 @@ def get_url(host, path='/', proto='http', port=80):
 
 def start_browser(url, startup=False):
     if startup:
-        print 'please visit:'
-        print '\t', url
-        print 'starting browser...'
+        print('please visit:')
+        print('\t', url)
+        print('starting browser...')
     try:
         import webbrowser
         webbrowser.open(url)
     except:
-        print 'warning: unable to detect your browser'
+        print('warning: unable to detect your browser')
 
 
 class web2pyDialog(object):
@@ -357,16 +358,16 @@ class web2pyDialog(object):
             sys.stderr.write('Sorry, -K only supported for python 2.6-2.7\n')
             return
         code = "from gluon import current;current._scheduler.loop()"
-        print 'starting scheduler from widget for "%s"...' % app
+        print('starting scheduler from widget for "%s"...' % app)
         args = (app, True, True, None, False, code)
         logging.getLogger().setLevel(self.options.debuglevel)
         p = Process(target=run, args=args)
         self.scheduler_processes[app] = p
         self.update_schedulers()
-        print "Currently running %s scheduler processes" % (
-            len(self.scheduler_processes))
+        print("Currently running %s scheduler processes" % (
+            len(self.scheduler_processes)))
         p.start()
-        print "Processes started"
+        print("Processes started")
 
     def try_stop_scheduler(self, app):
         if app in self.scheduler_processes:
@@ -950,12 +951,12 @@ def console():
             content = open(os.path.join('examples', 'app.example.yaml'), 'rb').read()
             open('app.yaml', 'wb').write(content.replace("yourappname", name))
         else:
-            print "app.yaml alreday exists in the web2py folder"
+            print("app.yaml alreday exists in the web2py folder")
         if not os.path.exists('gaehandler.py'):
             content = open(os.path.join('handlers', 'gaehandler.py'), 'rb').read()
             open('gaehandler.py', 'wb').write(content)
         else:
-            print "gaehandler.py alreday exists in the web2py folder"
+            print("gaehandler.py alreday exists in the web2py folder")
         sys.exit(0)
 
     try:
@@ -1042,7 +1043,7 @@ def get_code_for_scheduler(app, options):
         code = code % ("','".join(app[1:]))
     app_ = app[0]
     if not check_existent_app(options, app_):
-        print "Application '%s' doesn't exist, skipping" % app_
+        print("Application '%s' doesn't exist, skipping" % app_)
         return None, None
     return app_, code
 
@@ -1065,7 +1066,7 @@ def start_schedulers(options):
         app_, code = get_code_for_scheduler(apps[0], options)
         if not app_:
             return
-        print 'starting single-scheduler for "%s"...' % app_
+        print('starting single-scheduler for "%s"...' % app_)
         run(app_, True, True, None, False, code)
         return
 
@@ -1077,20 +1078,20 @@ def start_schedulers(options):
         app_, code = get_code_for_scheduler(app, options)
         if not app_:
             continue
-        print 'starting scheduler for "%s"...' % app_
+        print('starting scheduler for "%s"...' % app_)
         args = (app_, True, True, None, False, code)
         p = Process(target=run, args=args)
         processes.append(p)
-        print "Currently running %s scheduler processes" % (len(processes))
+        print("Currently running %s scheduler processes" % (len(processes)))
         p.start()
         ##to avoid bashing the db at the same time
         time.sleep(0.7)
-        print "Processes started"
+        print("Processes started")
     for p in processes:
         try:
             p.join()
         except (KeyboardInterrupt, SystemExit):
-            print "Processes stopped"
+            print("Processes stopped")
         except:
             p.terminate()
             p.join()
@@ -1104,13 +1105,13 @@ def start(cron=True):
     (options, args) = console()
 
     if not options.nobanner:
-        print ProgramName
-        print ProgramAuthor
-        print ProgramVersion
+        print(ProgramName)
+        print(ProgramAuthor)
+        print(ProgramVersion)
 
     from pydal.drivers import DRIVERS
     if not options.nobanner:
-        print 'Database drivers available: %s' % ', '.join(DRIVERS)
+        print('Database drivers available: %s' % ', '.join(DRIVERS))
 
     # ## if -L load options from options.config file
     if options.config:
@@ -1121,7 +1122,7 @@ def start(cron=True):
                 # Jython doesn't like the extra stuff
                 options2 = __import__(options.config)
             except Exception:
-                print 'Cannot import config file [%s]' % options.config
+                print('Cannot import config file [%s]' % options.config)
                 sys.exit(1)
         for key in dir(options2):
             if hasattr(options, key):
@@ -1170,7 +1171,7 @@ def start(cron=True):
     # ## if --softcron use softcron
     # ## use hardcron in all other cases
     if cron and options.runcron and options.softcron:
-        print 'Using softcron (but this is not very efficient)'
+        print('Using softcron (but this is not very efficient)')
         global_settings.web2py_crontype = 'soft'
     elif cron and options.runcron:
         logger.debug('Starting hardcron...')
@@ -1186,7 +1187,7 @@ def start(cron=True):
         options.taskbar = False
 
     if options.taskbar and os.name != 'nt':
-        print 'Error: taskbar not supported on this platform'
+        print('Error: taskbar not supported on this platform')
         sys.exit(1)
 
     root = None
@@ -1234,7 +1235,7 @@ end tell
         options.password = getpass.getpass('choose a password:')
 
     if not options.password and not options.nobanner:
-        print 'no password, no admin interface'
+        print('no password, no admin interface')
 
     # ##-X (if no tk, the widget takes care of it himself)
     if not root and options.scheduler and options.with_scheduler:
@@ -1265,7 +1266,7 @@ end tell
             message += 'use "taskkill /f /pid %i" to shutdown the web2py server\n\n' % os.getpid()
         else:
             message += 'use "kill -SIGTERM %i" to shutdown the web2py server\n\n' % os.getpid()
-        print message
+        print(message)
 
     # enhance linecache.getline (used by debugger) to look at the source file
     # if the line was not found (under py2exe & when file was modified)