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-rw-r--r--src/prompt_toolkit/application/dummy.py51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/prompt_toolkit/application/dummy.py b/src/prompt_toolkit/application/dummy.py
new file mode 100644
index 0000000..4e5e4aa
--- /dev/null
+++ b/src/prompt_toolkit/application/dummy.py
@@ -0,0 +1,51 @@
+from typing import Callable, Optional
+
+from prompt_toolkit.formatted_text import AnyFormattedText
+from prompt_toolkit.input import DummyInput
+from prompt_toolkit.output import DummyOutput
+
+from .application import Application
+
+__all__ = [
+ "DummyApplication",
+]
+
+
+class DummyApplication(Application[None]):
+ """
+ When no :class:`.Application` is running,
+ :func:`.get_app` will run an instance of this :class:`.DummyApplication` instead.
+ """
+
+ def __init__(self) -> None:
+ super().__init__(output=DummyOutput(), input=DummyInput())
+
+ def run(
+ self,
+ pre_run: Optional[Callable[[], None]] = None,
+ set_exception_handler: bool = True,
+ handle_sigint: bool = True,
+ in_thread: bool = False,
+ ) -> None:
+ raise NotImplementedError("A DummyApplication is not supposed to run.")
+
+ async def run_async(
+ self,
+ pre_run: Optional[Callable[[], None]] = None,
+ set_exception_handler: bool = True,
+ handle_sigint: bool = True,
+ slow_callback_duration: float = 0.5,
+ ) -> None:
+ raise NotImplementedError("A DummyApplication is not supposed to run.")
+
+ async def run_system_command(
+ self,
+ command: str,
+ wait_for_enter: bool = True,
+ display_before_text: AnyFormattedText = "",
+ wait_text: str = "",
+ ) -> None:
+ raise NotImplementedError
+
+ def suspend_to_background(self, suspend_group: bool = True) -> None:
+ raise NotImplementedError