nb/prod_data.py

import marimo

__generated_with = "0.18.4"
app = marimo.App(width="full", app_title="🤩 Data")


@app.cell
def _():
    from pathlib import Path
    import altair as alt
    import duckdb
    import marimo as mo
    import sys

    ROOT = Path(__file__).parent.parent
    sys.path.append(ROOT.as_posix())
    return ROOT, alt, duckdb, mo


@app.cell
def _():
    # internal imports
    from src.marimo_apps import UI

    return (UI,)


@app.cell
def _(ROOT, mo):
    df = mo.sql(
        f"""
        FROM '{ROOT / "data/isotopes.csv"}'
        """,
        output=False,
    )
    return (df,)


@app.cell
def _(alt, mo):
    df2 = mo.sql(
        """
        SELECT *,
            CASE
                WHEN Number BETWEEN 58 AND 71 THEN 9
                WHEN Number BETWEEN 90 AND 103 THEN 10
                WHEN Number <= 2 THEN 1
                WHEN Number <= 10 THEN 2
                WHEN Number <= 18 THEN 3
                WHEN Number <= 36 THEN 4
                WHEN Number <= 54 THEN 5
                WHEN Number <= 86 THEN 6
                ELSE 7
            END AS period,
            CASE
                WHEN Number BETWEEN 58 AND 71 THEN (Number - 58) % 14 + 3
                WHEN Number BETWEEN 90 AND 103 THEN (Number - 90) % 14 + 3
                WHEN Number <= 4 THEN 2 - Number % 2
                WHEN Number <= 10 THEN Number + 8
                WHEN Number <= 12 THEN Number - 10
                WHEN Number <= 18 THEN Number
                WHEN Number <= 20 THEN Number % 2 + 1
                WHEN Number <= 57 THEN (Number - 1) % 18 + 1
                WHEN Number <= 86 THEN (Number - 33) % 18 + 1
                WHEN Number <= 89 THEN Number - 86
                ELSE Number - 100
            END AS group,
        FROM df
        """,
        output=False,
    )
    ptable = (
        alt.Chart(df2)
        .mark_text(
            align="left",
            baseline="middle",
            font="DejaVu",
            fontSize=13,
            fontWeight=600,
            opacity=1,
        )
        .encode(
            x=alt.X("group:N").axis(None),
            y=alt.Y(
                "period:Q",  # sort="-period"
            )
            .scale(domain=(10.5, 0.5), nice=False)
            .axis(None),
            text="Symbol",
            tooltip=["count()"],
        )
    )  # .configure_view(continuousHeight=480)
    return (df2, ptable)


@app.cell
def _(UI, df2, mo, ptable):
    md = mo.md(f"""
    # Yes, Notebooks In Production | PyCon 2026

    This app illustrates database queries, various ways to look at tabular data, and interactive Altair plots.

    ## Sample Data: Isotopes of Chemical Elements

    {mo.ui.table(df2)}
    """)

    dashboard = mo.vstack([md, ptable])

    mo.hstack([UI.NAV, dashboard], widths=[1, 5])
    return


@app.cell
def _(UI):
    UI.BUILD_DETAILS
    return


if __name__ == "__main__":
    app.run()