Merge branch 'main' into fix-datatable-prevent-crash-with-border-link

CHANGELOG.md

@@ -7,10 +7,14 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
-## Fixed
+### Fixed
 
 - Fixed a crash in `DataTable` if you clicked a link in the border https://github.com/Textualize/textual/issues/4410
 
+### Added
+
+- Added `App.copy_to_clipboard` https://github.com/Textualize/textual/pull/4416
+
 ## [0.56.4] - 2024-04-09
 
 ### Fixed

src/textual/_partition.py

@@ -6,13 +6,13 @@
 
 
 def partition(
-    pred: Callable[[T], object], iterable: Iterable[T]
+    predicate: Callable[[T], object], iterable: Iterable[T]
 ) -> tuple[list[T], list[T]]:
     """Partition a sequence in to two list from a given predicate. The first list will contain
     the values where the predicate is False, the second list will contain the remaining values.
 
     Args:
-        pred: A callable that returns True or False for a given value.
+        predicate: A callable that returns True or False for a given value.
         iterable: In Iterable of values.
 
     Returns:
@@ -22,7 +22,6 @@ def partition(
 
     result: tuple[list[T], list[T]] = ([], [])
     appends = (result[0].append, result[1].append)
-
     for value in iterable:
-        appends[1 if pred(value) else 0](value)
+        appends[1 if predicate(value) else 0](value)
     return result

src/textual/app.py

@@ -1128,6 +1128,24 @@ def get_loading_widget(self) -> Widget:
 
         return LoadingIndicator()
 
+    def copy_to_clipboard(self, text: str) -> None:
+        """Copy text to the clipboard.
+
+        !!! note
+
+            This does not work on macOS Terminal, but will work on most other terminals.
+
+        Args:
+            text: Text you wish to copy to the clipboard.
+        """
+        if self._driver is None:
+            return
+
+        import base64
+
+        base64_text = base64.b64encode(text.encode("utf-8")).decode("utf-8")
+        self._driver.write(f"\x1b]52;c;{base64_text}\a")
+
     def call_from_thread(
         self,
         callback: Callable[..., CallThreadReturnType | Awaitable[CallThreadReturnType]],

src/textual/validation.py

@@ -315,7 +315,7 @@ def describe_failure(self, failure: Failure) -> str | None:
             A string description of the failure.
         """
         if isinstance(failure, Number.NotANumber):
-            return f"Must be a valid number."
+            return "Must be a valid number."
         elif isinstance(failure, Number.NotInRange):
             if self.minimum is None and self.maximum is not None:
                 return f"Must be less than or equal to {self.maximum}."
@@ -364,7 +364,7 @@ def describe_failure(self, failure: Failure) -> str | None:
             A string description of the failure.
         """
         if isinstance(failure, Integer.NotAnInteger):
-            return f"Must be a valid integer."
+            return "Must be a valid integer."
         elif isinstance(failure, Integer.NotInRange):
             if self.minimum is None and self.maximum is not None:
                 return f"Must be less than or equal to {self.maximum}."