bpo-34019: Fix wrong arguments for Opera Browser (#8047)

The Opera Browser was using a outdated command line invocation that resulted in an incorrect URL being opened in the browser when requested using the webbrowser module.

* Correct the arguments passed to the Opera Browser when opening a new URL.
diff --git a/Lib/test/test_webbrowser.py b/Lib/test/test_webbrowser.py
index 0820b91..7a396bd 100644
--- a/Lib/test/test_webbrowser.py
+++ b/Lib/test/test_webbrowser.py
@@ -170,23 +170,23 @@
 
     def test_open(self):
         self._test('open',
-                   options=['-remote'],
-                   arguments=['openURL({})'.format(URL)])
+                   options=[],
+                   arguments=[URL])
 
     def test_open_with_autoraise_false(self):
         self._test('open', kw=dict(autoraise=False),
-                   options=['-remote', '-noraise'],
-                   arguments=['openURL({})'.format(URL)])
+                   options=[],
+                   arguments=[URL])
 
     def test_open_new(self):
         self._test('open_new',
-                   options=['-remote'],
-                   arguments=['openURL({},new-window)'.format(URL)])
+                   options=['--new-window'],
+                   arguments=[URL])
 
     def test_open_new_tab(self):
         self._test('open_new_tab',
-                   options=['-remote'],
-                   arguments=['openURL({},new-page)'.format(URL)])
+                   options=[],
+                   arguments=[URL])
 
 
 class ELinksCommandTest(CommandTestMixin, unittest.TestCase):
diff --git a/Lib/webbrowser.py b/Lib/webbrowser.py
index 2a5729b..d717193 100755
--- a/Lib/webbrowser.py
+++ b/Lib/webbrowser.py
@@ -308,11 +308,10 @@
 class Opera(UnixBrowser):
     "Launcher class for Opera browser."
 
-    raise_opts = ["-noraise", ""]
-    remote_args = ['-remote', 'openURL(%s%action)']
+    remote_args = ['%action', '%s']
     remote_action = ""
-    remote_action_newwin = ",new-window"
-    remote_action_newtab = ",new-page"
+    remote_action_newwin = "--new-window"
+    remote_action_newtab = ""
     background = True
 
 
diff --git a/Misc/NEWS.d/next/Library/2018-07-02-05-59-11.bpo-34019.ZXJIife.rst b/Misc/NEWS.d/next/Library/2018-07-02-05-59-11.bpo-34019.ZXJIife.rst
new file mode 100644
index 0000000..8a9fe79
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-07-02-05-59-11.bpo-34019.ZXJIife.rst
@@ -0,0 +1,2 @@
+webbrowser: Correct the arguments passed to Opera Browser when opening a new URL
+using the ``webbrowser`` module. Patch by Bumsik Kim.