use "print (xxx)" instead of print xxx for compatibility with py3k. Patch by Damien Churchill.

gevent/backdoor.py

@@ -100,6 +100,6 @@ class _fileobject(socket._fileobject):
 
 if __name__ == '__main__':
     if not sys.argv[1:]:
-        print 'USAGE: %s PORT' % sys.argv[0]
+        print ('USAGE: %s PORT' % sys.argv[0])
     else:
         BackdoorServer(('127.0.0.1', int(sys.argv[1]))).serve_forever()

gevent/httplib.py

@@ -105,7 +105,7 @@ class HTTPResponse(object):
 
         if self.debuglevel > 0:
             for (k, v) in self.getheaders():
-                print 'header:', k, v
+                print ('header: %s %s' % (k, v))
 
     def read(self, amt=-1):
         return self._request.input_buffer.read(amt)
@@ -199,7 +199,7 @@ class HTTPConnection(object):
         if self.conn: return
 
         if self.debuglevel > 0:
-            print 'connect: (%s, %u)' % (self.host, self.port)
+            print ('connect: (%s, %u)' % (self.host, self.port))
 
         self.conn = core.http_connection.new(self.host, self.port, get_hub().reactor)
 
@@ -234,6 +234,6 @@ class HTTPConnection(object):
 
     def send(self, data):
         if self.debuglevel > 0:
-            print 'send:', repr(data)
+            print ('send: %r' % data)
 
         self.req.output_buffer.write(data)

gevent/monkey.py

@@ -230,11 +230,11 @@ MONKEY OPTIONS: --verbose %s""" % ', '.join('--[no-]%s' % m for m in modules)
     if verbose:
         import pprint
         import os
-        print 'gevent.monkey.patch_all(%s)' % ', '.join('%s=%s' % item for item in args.items())
-        print 'sys.version=%s' % (sys.version.strip().replace('\n', ' '), )
-        print 'sys.path=%s' % pprint.pformat(sys.path)
-        print 'sys.modules=%s' % pprint.pformat(sorted(sys.modules.keys()))
-        print 'cwd=%s' % os.getcwd()
+        print ('gevent.monkey.patch_all(%s)' % ', '.join('%s=%s' % item for item in args.items()))
+        print ('sys.version=%s' % (sys.version.strip().replace('\n', ' '), ))
+        print ('sys.path=%s' % pprint.pformat(sys.path))
+        print ('sys.modules=%s' % pprint.pformat(sorted(sys.modules.keys())))
+        print ('cwd=%s' % os.getcwd())
 
     patch_all(**args)
     if argv:
@@ -242,4 +242,4 @@ MONKEY OPTIONS: --verbose %s""" % ', '.join('--[no-]%s' % m for m in modules)
         __package__ = None
         execfile(sys.argv[0])
     else:
-        print script_help
+        print (script_help)

gevent/wsgi.py

@@ -230,7 +230,7 @@ Where /path/to/myapp.wsgi is a Python script that defines "application" callable
         except AttributeError:
             sys.exit("Could not find application in %s" % filename)
         server = WSGIServer((options.interface, options.port), application, spawn=options.spawn)
-        print 'Serving %s on %s:%s' % (filename, options.interface, options.port)
+        print ('Serving %s on %s:%s' % (filename, options.interface, options.port))
         server.serve_forever()
     else:
         sys.stderr.write(parser.format_help())