Added module level getattr to get version

src/textual/__init__.py

@@ -1,22 +1,33 @@
 from __future__ import annotations
 
 import inspect
-from typing import Callable
 
 import rich.repr
 from rich.console import RenderableType
 
-__all__ = ["log", "panic"]
-
-
 from ._context import active_app
 from ._log import LogGroup, LogVerbosity
 from ._typing import TypeAlias
 
+__all__ = ["log", "panic"]
+
 
 LogCallable: TypeAlias = "Callable"
 
 
+def __getattr__(name: str) -> str:
+    if name == "__version__":
+        try:
+            from importlib.metadata import version
+        except ImportError:
+            import pkg_resources
+
+            return pkg_resources.get_distribution("textual").version
+        else:
+            return version("textual")
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
+
+
 class LoggerError(Exception):
     """Raised when the logger failed."""