Apply black formatting to Python demos

Author: theCapypara

src/Library/demos/About Window/main.py

@@ -15,7 +15,7 @@ def open_about_window(_widget):
         developer_name="Angela Avery",
         version="1.2.3",
         comments=_(
-          "Typeset is an app that doesn’t exist and is used as an example content for About Window.",
+            "Typeset is an app that doesn’t exist and is used as an example content for About Window.",
         ),
         website="https://example.org",
         issue_url="https://example.org",
@@ -24,21 +24,21 @@ def open_about_window(_widget):
         license_type=Gtk.License.GPL_3_0_ONLY,
         developers=["Angela Avery <[email protected]>"],
         artists=["GNOME Design Team"],
-        translator_credits=_("translator-credits")
+        translator_credits=_("translator-credits"),
     )
 
     dialog.add_link(
         _("Documentation"),
-        "https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1.4/class.AboutWindow.html"
+        "https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1.4/class.AboutWindow.html",
     )
 
     dialog.add_legal_section(
         _("Fonts"),
         None,
         Gtk.License.CUSTOM,
         _(
-          "This application uses font data from <a href='https://example.org'>somewhere</a>."
-        )
+            "This application uses font data from <a href='https://example.org'>somewhere</a>."
+        ),
     )
 
     dialog.add_acknowledgement_section(_("Special thanks to"), [_("My cat")])

src/Library/demos/Avatar/main.py

@@ -20,10 +20,12 @@
 
 button.connect("clicked", lambda *_: on_clicked())
 
+
 def on_selected(_dialog, result):
     file = _dialog.open_finish(result)
     texture = Gdk.Texture.new_from_file(file)
     avatar_image.set_custom_image(texture)
 
+
 def on_clicked():
     file = dialog.open(workbench.window, None, on_selected)

src/Library/demos/Button/main.py

@@ -18,6 +18,7 @@
 def on_clicked(button):
     print(f"{button.get_name()} clicked")
 
+
 for id in button_ids:
     button = workbench.builder.get_object(id)
     button.connect("clicked", on_clicked)

src/Library/demos/Calendar/main.py

@@ -5,20 +5,12 @@
 # calendar.get_date() returns a GLib.DateTime object
 # https://docs.gtk.org/glib/struct.DateTime.html
 
-calendar.connect("notify::day",
-    lambda *_: print(calendar.get_date().format("%e"))
-)
+calendar.connect("notify::day", lambda *_: print(calendar.get_date().format("%e")))
 
-calendar.connect("notify::month",
-    lambda *_:print(calendar.get_date().format("%B"))
-)
+calendar.connect("notify::month", lambda *_: print(calendar.get_date().format("%B")))
 
-calendar.connect("notify::year",
-    lambda *_: print(calendar.get_date().format("%Y"))
-)
+calendar.connect("notify::year", lambda *_: print(calendar.get_date().format("%Y")))
 
-calendar.connect("day-selected",
-    lambda *_: print(calendar.get_date().format_iso8601())
-)
+calendar.connect("day-selected", lambda *_: print(calendar.get_date().format_iso8601()))
 
 calendar.mark_day(15)

src/Library/demos/Checkboxes/main.py

@@ -3,14 +3,18 @@
 checkbox_1 = workbench.builder.get_object("checkbox_1")
 checkbox_2 = workbench.builder.get_object("checkbox_2")
 
-checkbox_1.connect("toggled", lambda *_:
-    print("Notifications Enabled"
-    if checkbox_1.get_active()
-    else "Notifications Disabled")
+checkbox_1.connect(
+    "toggled",
+    lambda *_: print(
+        "Notifications Enabled" if checkbox_1.get_active() else "Notifications Disabled"
+    ),
 )
 
-checkbox_2.connect("toggled", lambda *_:
-    print("Changes will be auto-saved"
-    if checkbox_2.get_active()
-    else "Changes will not be auto-saved")
+checkbox_2.connect(
+    "toggled",
+    lambda *_: print(
+        "Changes will be auto-saved"
+        if checkbox_2.get_active()
+        else "Changes will not be auto-saved"
+    ),
 )