1 files changed, 141 insertions, 0 deletions
diff --git a/src/prompt_toolkit/output/plain_text.py b/src/prompt_toolkit/output/plain_text.py
new file mode 100644
index 0000000..4360355
--- /dev/null
+++ b/src/prompt_toolkit/output/plain_text.py
@@ -0,0 +1,141 @@
+from typing import List, TextIO
+
+from prompt_toolkit.cursor_shapes import CursorShape
+from prompt_toolkit.data_structures import Size
+from prompt_toolkit.styles import Attrs
+
+from .base import Output
+from .color_depth import ColorDepth
+from .flush_stdout import flush_stdout
+
+__all__ = ["PlainTextOutput"]
+
+
+class PlainTextOutput(Output):
+    """
+    Output that won't include any ANSI escape sequences.
+
+    Useful when stdout is not a terminal. Maybe stdout is redirected to a file.
+    In this case, if `print_formatted_text` is used, for instance, we don't
+    want to include formatting.
+
+    (The code is mostly identical to `Vt100_Output`, but without the
+    formatting.)
+    """
+
+    def __init__(self, stdout: TextIO) -> None:
+        assert all(hasattr(stdout, a) for a in ("write", "flush"))
+
+        self.stdout: TextIO = stdout
+        self._buffer: List[str] = []
+
+    def fileno(self) -> int:
+        "There is no sensible default for fileno()."
+        return self.stdout.fileno()
+
+    def encoding(self) -> str:
+        return "utf-8"
+
+    def write(self, data: str) -> None:
+        self._buffer.append(data)
+
+    def write_raw(self, data: str) -> None:
+        self._buffer.append(data)
+
+    def set_title(self, title: str) -> None:
+        pass
+
+    def clear_title(self) -> None:
+        pass
+
+    def flush(self) -> None:
+        if not self._buffer:
+            return
+
+        data = "".join(self._buffer)
+        self._buffer = []
+        flush_stdout(self.stdout, data)
+
+    def erase_screen(self) -> None:
+        pass
+
+    def enter_alternate_screen(self) -> None:
+        pass
+
+    def quit_alternate_screen(self) -> None:
+        pass
+
+    def enable_mouse_support(self) -> None:
+        pass
+
+    def disable_mouse_support(self) -> None:
+        pass
+
+    def erase_end_of_line(self) -> None:
+        pass
+
+    def erase_down(self) -> None:
+        pass
+
+    def reset_attributes(self) -> None:
+        pass
+
+    def set_attributes(self, attrs: Attrs, color_depth: ColorDepth) -> None:
+        pass
+
+    def disable_autowrap(self) -> None:
+        pass
+
+    def enable_autowrap(self) -> None:
+        pass
+
+    def cursor_goto(self, row: int = 0, column: int = 0) -> None:
+        pass
+
+    def cursor_up(self, amount: int) -> None:
+        pass
+
+    def cursor_down(self, amount: int) -> None:
+        self._buffer.append("\n")
+
+    def cursor_forward(self, amount: int) -> None:
+        self._buffer.append(" " * amount)
+
+    def cursor_backward(self, amount: int) -> None:
+        pass
+
+    def hide_cursor(self) -> None:
+        pass
+
+    def show_cursor(self) -> None:
+        pass
+
+    def set_cursor_shape(self, cursor_shape: CursorShape) -> None:
+        pass
+
+    def reset_cursor_shape(self) -> None:
+        pass
+
+    def ask_for_cpr(self) -> None:
+        pass
+
+    def bell(self) -> None:
+        pass
+
+    def enable_bracketed_paste(self) -> None:
+        pass
+
+    def disable_bracketed_paste(self) -> None:
+        pass
+
+    def scroll_buffer_to_prompt(self) -> None:
+        pass
+
+    def get_size(self) -> Size:
+        return Size(rows=40, columns=80)
+
+    def get_rows_below_cursor_position(self) -> int:
+        return 8
+
+    def get_default_color_depth(self) -> ColorDepth:
+        return ColorDepth.DEPTH_1_BIT