Port usage of clicked[()] as it no longer exists in PyQt5

src/calibre/gui2/convert/debug.py

@@ -25,8 +25,8 @@ class DebugWidget(Widget, Ui_Form):
                 )
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
-        self.button_debug_dir.clicked[()].connect(self.set_debug_dir)
+        self.button_debug_dir.clicked.connect(self.set_debug_dir)
-        self.button_clear.clicked[()].connect(self.clear_debug_dir)
+        self.button_clear.clicked.connect(self.clear_debug_dir)
 
     def clear_debug_dir(self):
         self.opt_debug_pipeline.setText('')

src/calibre/gui2/convert/font_key.py

@@ -19,7 +19,7 @@ class FontKeyChooser(QDialog, Ui_Dialog):
         self.default_font_key       = font_key
         self.default_base_font_size = base_font_size
         self.buttonBox.clicked.connect(self.button_clicked)
-        self.button_use_default.clicked[()].connect(self.use_default)
+        self.button_use_default.clicked.connect(self.use_default)
 
         for x in ('input_base_font_size', 'input_font_size',
                 'output_base_font_size'):

src/calibre/gui2/convert/look_and_feel.py

@@ -52,7 +52,7 @@ class LookAndFeelWidget(Widget, Ui_Form):
         self.initialize_options(get_option, get_help, db, book_id)
         self.opt_disable_font_rescaling.toggle()
         self.opt_disable_font_rescaling.toggle()
-        self.button_font_key.clicked[()].connect(self.font_key_wizard)
+        self.button_font_key.clicked.connect(self.font_key_wizard)
         self.opt_remove_paragraph_spacing.toggle()
         self.opt_remove_paragraph_spacing.toggle()
         self.opt_smarten_punctuation.stateChanged.connect(

src/calibre/gui2/convert/metadata.py

@@ -59,7 +59,7 @@ class MetadataWidget(Widget, Ui_Form):
         if self.db is not None:
             self.initialize_metadata_options()
         self.initialize_options(get_option, get_help, db, book_id)
-        self.cover_button.clicked[()].connect(self.select_cover)
+        self.cover_button.clicked.connect(self.select_cover)
         self.comment.hide_toolbars()
         self.cover.cover_changed.connect(self.change_cover)
 

src/calibre/gui2/convert/single.py

@@ -157,7 +157,7 @@ class Config(ResizableDialog, Ui_Dialog):
         self.groups.entered[(QModelIndex)].connect(self.show_group_help)
         rb = self.buttonBox.button(self.buttonBox.RestoreDefaults)
         rb.setText(_('Restore &Defaults'))
-        rb.clicked[()].connect(self.restore_defaults)
+        rb.clicked.connect(self.restore_defaults)
         self.groups.setMouseTracking(True)
         geom = gprefs.get('convert_single_dialog_geom', None)
         if geom:

src/calibre/gui2/convert/xpath_wizard.py

@@ -63,7 +63,7 @@ class XPathEdit(QWidget, Ui_Edit):
     def __init__(self, parent=None):
         QWidget.__init__(self, parent)
         self.setupUi(self)
-        self.button.clicked[()].connect(self.wizard)
+        self.button.clicked.connect(self.wizard)
 
     def wizard(self):
         wiz = Wizard(self)

src/calibre/gui2/dialogs/saved_search_editor.py

@@ -19,9 +19,9 @@ class SavedSearchEditor(QDialog, Ui_SavedSearchEditor):
         Ui_SavedSearchEditor.__init__(self)
         self.setupUi(self)
 
-        self.add_search_button.clicked[()].connect(self.add_search)
+        self.add_search_button.clicked.connect(self.add_search)
         self.search_name_box.currentIndexChanged[(int)].connect(self.current_index_changed)
-        self.delete_search_button.clicked[()].connect(self.del_search)
+        self.delete_search_button.clicked.connect(self.del_search)
         self.rename_button.clicked.connect(self.rename_search)
 
         self.current_search_name = None

src/calibre/gui2/dialogs/tag_editor.py

@@ -50,10 +50,10 @@ class TagEditor(QDialog, Ui_TagEditor):
             if tag not in tags:
                 self.available_tags.addItem(tag)
 
-        self.apply_button.clicked[()].connect(self.apply_tags)
+        self.apply_button.clicked.connect(lambda: self.apply_tags())
-        self.unapply_button.clicked[()].connect(self.unapply_tags)
+        self.unapply_button.clicked.connect(lambda: self.unapply_tags())
-        self.add_tag_button.clicked[()].connect(self.add_tag)
+        self.add_tag_button.clicked.connect(self.add_tag)
-        self.delete_button.clicked[()].connect(self.delete_tags)
+        self.delete_button.clicked.connect(lambda: self.delete_tags())
         self.add_tag_input.returnPressed[()].connect(self.add_tag)
         # add the handlers for the filter input clear buttons
         for x in ('available', 'applied'):

src/calibre/gui2/dialogs/user_profiles.py

@@ -113,13 +113,13 @@ class UserProfiles(ResizableDialog, Ui_Dialog):
         self.remove_feed_button.clicked[(bool)].connect(self.added_feeds.remove_selected_items)
         self.remove_profile_button.clicked[(bool)].connect(self.remove_selected_items)
         self.add_feed_button.clicked[(bool)].connect(self.add_feed)
-        self.load_button.clicked[()].connect(self.load)
+        self.load_button.clicked.connect(self.load)
-        self.opml_button.clicked[()].connect(self.opml_import)
+        self.opml_button.clicked.connect(self.opml_import)
-        self.builtin_recipe_button.clicked[()].connect(self.add_builtin_recipe)
+        self.builtin_recipe_button.clicked.connect(self.add_builtin_recipe)
-        self.share_button.clicked[()].connect(self.share)
+        self.share_button.clicked.connect(self.share)
         self.show_recipe_files_button.clicked.connect(self.show_recipe_files)
-        self.down_button.clicked[()].connect(self.down)
+        self.down_button.clicked.connect(self.down)
-        self.up_button.clicked[()].connect(self.up)
+        self.up_button.clicked.connect(self.up)
         self.add_profile_button.clicked[(bool)].connect(self.add_profile)
         self.feed_url.returnPressed[()].connect(self.add_feed)
         self.feed_title.returnPressed[()].connect(self.add_feed)

src/calibre/gui2/widgets.py

@@ -65,7 +65,7 @@ class FilenamePattern(QWidget, Ui_Form):  # {{{
         QWidget.__init__(self, parent)
         self.setupUi(self)
 
-        self.test_button.clicked[()].connect(self.do_test)
+        self.test_button.clicked.connect(self.do_test)
         self.re.lineEdit().returnPressed[()].connect(self.do_test)
         self.filename.returnPressed[()].connect(self.do_test)
         self.re.lineEdit().textChanged.connect(lambda x: self.changed_signal.emit())

src/calibre/gui2/wizard/__init__.py

@@ -680,7 +680,7 @@ class LibraryPage(QWizardPage, LibraryUI):
         QWizardPage.__init__(self)
         self.setupUi(self)
         self.registerField('library_location', self.location)
-        self.button_change.clicked[()].connect(self.change)
+        self.button_change.clicked.connect(self.change)
         self.init_languages()
         self.language.currentIndexChanged[int].connect(self.change_language)
         self.location.textChanged.connect(self.location_text_changed)