Add codespell configuration.

.pre-commit-config.yaml

@@ -27,3 +27,9 @@ repos:
     rev: 6.1.0
     hooks:
       - id: flake8
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.2.5
+    hooks:
+    - id: codespell
+      additional_dependencies:
+        - tomli

changes/1956.removal.rst

@@ -1 +1 @@
-Images and ImageViews no longer support loading images from URLs. If you need to display an image from a URL, use a background task to obtain the image data asynchronously, then create the Image and/or set the ImageView ``image`` property on the completion of the asychronous load.
+Images and ImageViews no longer support loading images from URLs. If you need to display an image from a URL, use a background task to obtain the image data asynchronously, then create the Image and/or set the ImageView ``image`` property on the completion of the asynchronous load.

changes/2057.misc.rst

@@ -0,0 +1 @@
+Codespell was added to the pre-commit configuration.

cocoa/src/toga_cocoa/constraints.py

@@ -26,7 +26,7 @@ def __init__(self, widget):
         self.left_constraint = None
         self.top_constraint = None
 
-    # Deletion isn't an event we can programatically invoke; deletion
+    # Deletion isn't an event we can programmatically invoke; deletion
     # of constraints can take several iterations before it occurs.
     def __del__(self):  # pragma: nocover
         self._remove_constraints()

cocoa/src/toga_cocoa/container.py

@@ -60,7 +60,7 @@ def refreshed(self):
 
 class MinimumContainer(BaseContainer):
     def __init__(self):
-        """A container for evaluating the minumum possible size for a layout"""
+        """A container for evaluating the minimum possible size for a layout"""
         super().__init__()
         self.width = 0
         self.height = 0

core/src/toga/widgets/canvas.py

@@ -399,7 +399,7 @@ def fill_rule(self, fill_rule):
                 fill_rule = FillRule[fill_rule.upper()]
             except KeyError:
                 raise ValueError(
-                    "fill rule should be one of the followings: {}".format(
+                    "fill rule should be one of the following: {}".format(
                         ", ".join([value.name.lower() for value in FillRule])
                     )
                 )

core/src/toga/widgets/numberinput.py

@@ -190,7 +190,7 @@ def min(self, new_min):
         try:
             new_min = _clean_decimal(new_min, self.step)
 
-            # Clip widget's value to the new minumum
+            # Clip widget's value to the new minimum
             if self.value is not None and self.value < new_min:
                 self.value = new_min
         except (TypeError, ValueError, InvalidOperation):

core/src/toga/widgets/slider.py

@@ -53,7 +53,7 @@ def __init__(
         if range is not None:
             if min is not None or max is not None:
                 raise ValueError(
-                    "range cannot be specifed if min and max are specified"
+                    "range cannot be specified if min and max are specified"
                 )
             else:
                 warnings.warn(

core/tests/sources/test_list_source.py

@@ -101,7 +101,7 @@ def test_tuples():
     # Set element 1
     source[1] = ("new element", 999)
 
-    # source is the same size, but has differen data
+    # source is the same size, but has different data
     assert len(source) == 3
     assert source[1].val1 == "new element"
     assert source[1].val2 == 999
@@ -134,7 +134,7 @@ def test_list():
     # Set element 1
     source[1] = ["new element", 999]
 
-    # source is the same size, but has differen data
+    # source is the same size, but has different data
     assert len(source) == 3
     assert source[1].val1 == "new element"
     assert source[1].val2 == 999
@@ -167,7 +167,7 @@ def test_dict():
     # Set element 1
     source[1] = ["new element", 999]
 
-    # source is the same size, but has differen data
+    # source is the same size, but has different data
     assert len(source) == 3
     assert source[1].val1 == "new element"
     assert source[1].val2 == 999

core/tests/style/pack/layout/test_fixed.py

@@ -30,7 +30,7 @@ def test_row_expanding_intrinsic():
             ),
             ExampleNode(
                 "third",
-                style=Pack(width=0, height=0),  # Explictly 0 sized
+                style=Pack(width=0, height=0),  # Explicitly 0 sized
                 size=(at_least(0), at_least(0)),
             ),
         ],
@@ -143,7 +143,7 @@ def test_row_fixed_intrinsic():
                     ),
                 ],
             ),
-            ExampleNode(  # Explictly 0 sized
+            ExampleNode(  # Explicitly 0 sized
                 "third",
                 style=Pack(),
                 size=(0, 0),
@@ -261,7 +261,7 @@ def test_column_expanding_intrinsic():
                     ),
                 ],
             ),
-            ExampleNode(  # Explictly 0 sized
+            ExampleNode(  # Explicitly 0 sized
                 "third",
                 style=Pack(width=0, height=0),
                 size=(at_least(0), at_least(0)),
@@ -370,7 +370,7 @@ def test_column_fixed_intrinsic():
                     ),
                 ],
             ),
-            ExampleNode(  # Explictly 0 sized
+            ExampleNode(  # Explicitly 0 sized
                 "third",
                 style=Pack(),
                 size=(0, 0),

core/tests/style/pack/layout/test_flex.py

@@ -615,7 +615,7 @@ def test_column_flex():
 
 def test_column_flex_insufficient_space():
     """Children in a column layout with flexible containers, but insufficient space to
-    accomodate them, and an explicit intrinsic width, doesn't collapse column width.
+    accommodate them, and an explicit intrinsic width, doesn't collapse column width.
     """
 
     root = ExampleNode(

core/tests/test_paths.py

@@ -27,7 +27,7 @@ def run_app(args, cwd):
         text=True,
     )
     # When called as a subprocess, coverage drops it's coverage report in CWD.
-    # Move it to the projet root for combination with the main test report.
+    # Move it to the project root for combination with the main test report.
     for file in cwd.glob(".coverage*"):
         os.rename(file, Path(__file__).parent.parent / file.name)
     return output

core/tests/widgets/test_canvas.py

@@ -132,7 +132,7 @@ def fill_context():
 
         self.assertRaisesRegex(
             ValueError,
-            "^fill rule should be one of the followings: evenodd, nonzero$",
+            "^fill rule should be one of the following: evenodd, nonzero$",
             fill_context,
         )
         self.assertActionNotPerformed(self.testing_canvas, "fill")

core/tests/widgets/test_multilinetextinput.py

@@ -130,7 +130,7 @@ def test_placeholder(widget, value, expected):
 
 
 def test_scroll(widget):
-    """The widget can be scrolled programatically."""
+    """The widget can be scrolled programmatically."""
     # Clear the event log
     EventLog.reset()
 

core/tests/widgets/test_slider.py

@@ -509,21 +509,21 @@ def test_deprecated():
     # Can't specify min and range
     with pytest.raises(
         ValueError,
-        match=r"range cannot be specifed if min and max are specified",
+        match=r"range cannot be specified if min and max are specified",
     ):
         toga.Slider(min=2, range=(2, 4))
 
     # Can't specify max and range
     with pytest.raises(
         ValueError,
-        match=r"range cannot be specifed if min and max are specified",
+        match=r"range cannot be specified if min and max are specified",
     ):
         toga.Slider(max=4, range=(2, 4))
 
     # Can't specify min and max and range
     with pytest.raises(
         ValueError,
-        match=r"range cannot be specifed if min and max are specified",
+        match=r"range cannot be specified if min and max are specified",
     ):
         toga.Slider(min=2, max=4, range=(2, 4))
 

core/tests/widgets/test_webview.py

@@ -174,9 +174,9 @@ def test_evaluate_javascript(widget):
 
 
 async def test_evaluate_javascript_async(widget):
-    "Javascript can be evaluated asyncronously, and an asynchronous result returned"
+    "Javascript can be evaluated asynchronously, and an asynchronous result returned"
 
-    # An async task that simulates evaluation of javasript after a delay
+    # An async task that simulates evaluation of Javascript after a delay
     async def delayed_page_load():
         await asyncio.sleep(0.1)
 

examples/beeliza/beeliza/bot.py

@@ -373,7 +373,7 @@ class Eliza:
 
     ###########################################################################
     # reflect: take an input string, and reflect the direction of any
-    # statments (i.e., "I think I'm happy" - > "you think you're happy")
+    # statements (i.e., "I think I'm happy" - > "you think you're happy")
     ###########################################################################
     def reflect(self, input):
         return " ".join(

examples/dialogs/dialogs/app.py

@@ -35,7 +35,7 @@ async def action_error_dialog(self, widget):
         await self.main_window.error_dialog(
             "Toga", "Well that didn't work... or did it?"
         )
-        self.label.text = "Oh noes..."
+        self.label.text = "Oh no..."
 
     async def action_stack_trace(self, widget):
         await self.main_window.stack_trace_dialog(

gtk/src/toga_gtk/container.py

@@ -92,7 +92,7 @@ def recompute(self):
         if self._content and self.needs_redraw:
             # If any of the widgets have been marked as dirty,
             # recompute their bounds, and re-evaluate the minimum
-            # allowed size fo the layout.
+            # allowed size for the layout.
             while self._dirty_widgets:
                 widget = self._dirty_widgets.pop()
                 widget.rehint()

gtk/src/toga_gtk/widgets/multilinetextinput.py

@@ -22,10 +22,10 @@ def create(self):
 
         # The GTK TextView doesn't have an implementation of placeholder. We
         # fake it by using a different buffer that contains placeholder text.
-        # This bufer is installed by default, until the value for the widget
+        # This buffer is installed by default, until the value for the widget
         # becomes something non-empty. The placeholder buffer is also swapped
         # out when focus is gained, or a key press event occurs. The latter
-        # is needed because the value can be changed programatically when
+        # is needed because the value can be changed programmatically when
         # the widget already has focus.
         self.placeholder = Gtk.TextBuffer()
         self.tag_placeholder = self.placeholder.create_tag(

gtk/src/toga_gtk/widgets/table.py

@@ -13,7 +13,7 @@ def gtk_on_select(self, selection):
             else:
                 tree_model, tree_iter = selection.get_selected()
 
-            # Covert the tree iter into the actual row.
+            # Convert the tree iter into the actual row.
             if tree_iter:
                 row = tree_model.get(tree_iter, 0)[0]
             else:

gtk/src/toga_gtk/widgets/tree.py

@@ -50,7 +50,7 @@ def gtk_on_select(self, selection):
             else:
                 tree_model, tree_iter = selection.get_selected()
 
-            # Covert the tree iter into the actual node.
+            # Convert the tree iter into the actual node.
             if tree_iter:
                 node = tree_model.get(tree_iter, 0)[0]
             else:

iOS/src/toga_iOS/constraints.py

@@ -26,7 +26,7 @@ def __init__(self, widget):
         self.left_constraint = None
         self.top_constraint = None
 
-    # Deletion isn't an event we can programatically invoke; deletion
+    # Deletion isn't an event we can programmatically invoke; deletion
     # of constraints can take several iterations before it occurs.
     def __del__(self):  # pragma: nocover
         self._remove_constraints()

iOS/src/toga_iOS/container.py

@@ -102,7 +102,7 @@ def __init__(
         )
 
         # Construct a NavigationController that provides a navigation bar, and
-        # is able to maintain a stack of navigable content. This is intialized
+        # is able to maintain a stack of navigable content. This is initialized
         # with a root UIViewController that is the actual content
         self.content_controller = UIViewController.alloc().init()
         self.controller = UINavigationController.alloc().initWithRootViewController(

pyproject.toml

@@ -1,3 +1,9 @@
+[tool.codespell]
+skip = ".git,*.pdf,*.svg"
+# the way to make case sensitive skips of words etc
+ignore-regex = "\bNd\b"
+ignore-words-list = "te,crate"
+
 # The coverage settings in this file only control `coverage report`. `coverage run` and
 # `coverage combine` are controlled by the pyproject.toml files in each package's
 # subdirectory.

testbed/tests/widgets/test_label.py

@@ -34,7 +34,7 @@ def make_lines(n):
     await probe.redraw("Label should be resized vertically")
     line_height = probe.height
 
-    # Label should have a signficant width.
+    # Label should have a significant width.
     assert probe.width > 50
 
     # Empty text should not cause the widget to collapse.
@@ -57,5 +57,5 @@ def make_lines(n):
             (line_height * n) + (line_spacing * (n - 1)),
             rel=0.1,
         )
-        # Label should have a signficant width.
+        # Label should have a significant width.
         assert probe.width > 50

testbed/tests/widgets/test_selection.py

@@ -131,7 +131,7 @@ async def test_selection_change(widget, probe):
     on_change_handler = Mock()
     widget.on_change = on_change_handler
 
-    # Change the selection programatically
+    # Change the selection programmatically
     assert widget.value == "first"
     widget.value = "third"
 

testbed/tests/widgets/test_webview.py

@@ -93,7 +93,7 @@ async def widget(on_load):
             assert ua.startswith("Mozilla/5.0 (")
             break
         except AssertionError:
-            # On Windows, user_agent will return an empty string during intialization.
+            # On Windows, user_agent will return an empty string during initialization.
             if (
                 toga.platform.current_platform == "windows"
                 and ua == ""

toga/README.rst

@@ -16,7 +16,7 @@ Backends are also available for `Android <https://pypi.org/project/toga-android>
 <https://pypi.org/project/toga-dummy>`__; however, these must be installed manually.
 
 Toga requires **Python 3.8** or newer. It does not support Python 2. Some platforms have
-additional prerequisites; see the `Toga plaform guide
+additional prerequisites; see the `Toga platform guide
 <https://toga.readthedocs.io/en/stable/reference/platforms/index.html>`__ for details.
 
 For more details, see the `Toga project on Github`_.

web/src/toga_web/app.py

@@ -169,7 +169,7 @@ def dialog_close(event):
         # If this is the first time a dialog is being shown, the Shoelace
         # autoloader needs to construct the Dialog custom element. We can't
         # display the dialog until that element has been fully loaded and
-        # cosntructed. Only show the dialog when the promise of <sl-dialog>
+        # constructed. Only show the dialog when the promise of <sl-dialog>
         # element construction has been fulfilled.
         def show_dialog(promise):
             about_dialog.show()