Merge pull request 'UI: make tasks cancleable' (#3586) from hsjobeki/clan-core:qubasas into main

Reviewed-on: https://git.clan.lol/clan/clan-core/pulls/3586

pkgs/clan-cli/clan_cli/async_run.py

@@ -71,7 +71,9 @@ class AsyncContext:
     prefix: str | None = None  # prefix for logging
     stdout: IO[bytes] | None = None  # stdout of subprocesses
     stderr: IO[bytes] | None = None  # stderr of subprocesses
-    cancel: bool = False  # Used to signal cancellation of task
+    should_cancel: Callable[[], bool] = (
+        lambda: False
+    )  # Used to signal cancellation of task
 
 
 @dataclass
@@ -92,7 +94,14 @@ def is_async_cancelled() -> bool:
     """
     Check if the current task has been cancelled.
     """
-    return get_async_ctx().cancel
+    return get_async_ctx().should_cancel()
+
+
+def set_should_cancel(should_cancel: Callable[[], bool]) -> None:
+    """
+    Set the cancellation function for the current task.
+    """
+    get_async_ctx().should_cancel = should_cancel
 
 
 def get_async_ctx() -> AsyncContext:
@@ -313,7 +322,7 @@ class AsyncRuntime:
         """
         for name, task in self.tasks.items():
             if not task.finished:
-                task.async_opts.async_ctx.cancel = True
+                set_should_cancel(lambda: True)
                 log.debug(f"Canceling task {name}")
 
 

pkgs/clan-cli/clan_lib/api/directory.py

@@ -32,12 +32,28 @@ class FileRequest:
     initial_folder: str | None = field(default=None)
 
 
+@API.register_abstract
+def cancel_task(task_id: str) -> None:
+    """Cancel a task by its op_key."""
+    msg = "cancel_task() is not implemented"
+    raise NotImplementedError(msg)
+
+
+@API.register_abstract
+def list_tasks() -> list[str]:
+    """List all tasks."""
+    msg = "list_tasks() is not implemented"
+    raise NotImplementedError(msg)
+
+
 @API.register_abstract
 def open_file(file_request: FileRequest) -> list[str] | None:
     """
     Abstract api method to open a file dialog window.
     It must return the name of the selected file or None if no file was selected.
     """
+    msg = "open_file() is not implemented"
+    raise NotImplementedError(msg)
 
 
 @dataclass