Changed code to support older Python versions

venv/lib/python3.11/site-packages/rich_toolkit/progress.py

@@ -0,0 +1,68 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Dict, List, Optional
+
+from rich.console import Console, RenderableType
+from rich.live import Live
+from rich.text import Text
+
+from .element import Element
+
+if TYPE_CHECKING:
+    from .styles.base import BaseStyle
+
+
+class ProgressLine(Element):
+    def __init__(self, text: str | Text, parent: Progress):
+        self.text = text
+        self.parent = parent
+
+
+class Progress(Live, Element):
+    current_message: str | Text
+
+    def __init__(
+        self,
+        title: str,
+        style: Optional[BaseStyle] = None,
+        console: Optional[Console] = None,
+        transient: bool = False,
+        transient_on_error: bool = False,
+        inline_logs: bool = False,
+        lines_to_show: int = -1,
+        **metadata: Dict[Any, Any],
+    ) -> None:
+        self.title = title
+        self.current_message = title
+        self.is_error = False
+        self._transient_on_error = transient_on_error
+        self._inline_logs = inline_logs
+        self.lines_to_show = lines_to_show
+
+        self.logs: List[ProgressLine] = []
+
+        self.metadata = metadata
+        self._cancelled = False
+
+        Element.__init__(self, style=style)
+        super().__init__(console=console, refresh_per_second=8, transient=transient)
+
+    # TODO: remove this once rich uses "Self"
+    def __enter__(self) -> "Progress":
+        self.start(refresh=self._renderable is not None)
+
+        return self
+
+    def get_renderable(self) -> RenderableType:
+        return self.style.render_element(self, done=not self._started)
+
+    def log(self, text: str | Text) -> None:
+        if self._inline_logs:
+            self.logs.append(ProgressLine(text, self))
+        else:
+            self.current_message = text
+
+    def set_error(self, text: str) -> None:
+        self.current_message = text
+        self.is_error = True
+        self.transient = self._transient_on_error