version, build details

nb/prod_home.py

@@ -6,15 +6,20 @@ app = marimo.App(width="full", app_title="🏰 Home")
 
 @app.cell
 def _():
+    from pathlib import Path
     import marimo as mo
-    from src.marimo_apps import UI
+    import sys
+
+    ROOT = Path(__file__).parent.parent
+    sys.path.append(ROOT.as_posix())
 
+    from src.marimo_apps import UI
     return UI, mo
 
 
 @app.cell
 def _(UI, mo):
-    md = mo.md("""
+    md = mo.md(f"""
     # Yes, Notebooks In Production | PyCon 2026
 
     ### Description
@@ -22,7 +27,7 @@ def _(UI, mo):
     The attendees will learn about marimo notebooks, a new interactive compute environment for python that is gaining traction as an alternative to Jupyter.
     Being plain python files, marimo notebooks are testable and mountable on top of apps built with existing python web frameworks.
     The attendees will build a self-documenting FastAPI app for accessing and visualizing local or cloud data, featuring multiple web paths with notebook-based navigation and UI.
-    
+
     This is a code-along tutorial that runs locally on any laptop and any OS, with trivial initial setup and minimal use of AI tools.  
 
     ### Audience
@@ -46,6 +51,9 @@ def _(UI, mo):
     [02:00 - 02:15] What about AI?  
     [02:15 - 02:30] Deployment and monitoring  
     [02:30 - 03:00] Q&A + optional Task 5: build your own  
+
+    /// details | Build details
+    {UI.VERSION}
     """)
 
     mo.hstack([UI.NAV, md], widths=[1, 5])

src/marimo_apps.py

@@ -11,6 +11,21 @@ NB_FOLDER = Path(__file__).parent.parent / "nb"
 logger.info(f"NB_FOLDER: {NB_FOLDER}")
 
 
+def get_versions() -> str:
+    from duckdb import __version__ as duckdb_version
+    from fastapi import __version__ as fastapi_version
+    from marimo import __version__ as marimo_version
+    from sys import version as python_version
+
+    versions = f"""
+    marimo: {marimo_version}  
+    FastAPI: {fastapi_version}  
+    DuckDB: {duckdb_version}  
+    python: {python_version}
+    """
+    return versions
+
+
 class MarimoApps:
     def __init__(self, folder: Path = NB_FOLDER):
         self.folder = folder
@@ -43,3 +58,4 @@ marimo_apps = MarimoApps()
 class UI:
     TITLE = "Marimo on FastAPI"
     NAV = nav_menu(marimo_apps.pages, orientation="vertical").style(font_size="20px")
+    VERSION = get_versions()