marimo_sandbox.py

# /// script
# requires-python = ">=3.10"
# dependencies = ["marimo"]
# ///

import marimo

__generated_with = "0.17.6"
app = marimo.App()


@app.cell
def _():
    import marimo as mo
    import os

    WORKSPACE = os.environ.get("WORKSPACE", "/app/workspace")
    return WORKSPACE, mo, os


@app.cell
def _(mo):
    mo.md("# 🦀 Marimo Sandbox")
    mo.md("Toggle this panel from Agent Zero chat UI")
    mo.md("---")
    return


@app.cell
def _(mo):
    """Code Editor Cell"""
    mo.md("### 💻 Code Editor")

    code_editor = mo.ui.code_editor(
        language="python",
        value="# Write your code here\nprint('Hello from Marimo Zero!')",
        label=""
    )

    def run_code(code):
        import sys
        from io import StringIO
        old_stdout = sys.stdout
        sys.stdout = buf = StringIO()
        try:
            exec(code, {}, {})
            output = buf.getvalue()
            if output:
                return mo.md(f"**Output:**\n```\n{output}\n```")
            else:
                return mo.md("✅ Code executed (no output)")
        except Exception as e:
            return mo.md(f"❌ Error:\n```\n{str(e)}\n```")
        finally:
            sys.stdout = old_stdout

    result = run_code(code_editor.value)

    mo.vstack([
        code_editor,
        mo.ui.run_button(label="▶️ Run"),
        result
    ])
    return


@app.cell
def _(mo, WORKSPACE, os):
    """File Browser Cell"""
    mo.md("### 📁 Workspace Files")

    def list_files():
        if not os.path.exists(WORKSPACE):
            return mo.md("⚠️ Workspace not found")

        files = os.listdir(WORKSPACE)
        if not files:
            return mo.md("📭 Empty workspace")

        file_list = "\n".join([f"- 📄 `{f}`" for f in sorted(files)])
        return mo.md(file_list)

    list_files()
    return


@app.cell
def _(mo, WORKSPACE, os):
    """File Editor Cell"""
    mo.md("### ✏️ File Editor")

    filename = mo.ui.text(
        label="Filename:",
        value="example.md",
        full_width=False
    )

    filepath = os.path.join(WORKSPACE, filename.value)

    def read_file(name):
        path = os.path.join(WORKSPACE, name)
        if os.path.exists(path):
            with open(path, 'r') as f:
                return f.read()
        return "# New file\n\nStart writing..."

    content = mo.ui.text_area(
        label="Content:",
        value=read_file(filename.value),
        full_width=True,
        height=300
    )

    def save_file(name, text):
        path = os.path.join(WORKSPACE, name)
        with open(path, 'w') as f:
            f.write(text)
        return mo.md(f"✅ Saved to `{path}`")

    mo.vstack([
        filename,
        content,
        mo.ui.run_button(label="💾 Save"),
        save_file(filename.value, content.value)
    ])
    return


@app.cell
def _(mo):
    """Terminal Output Cell"""
    mo.md("### 📊 Output")

    mo.md("""
    View execution results, plots, and outputs here.

    **Tip:** Use `print()` in code cells to see output here.
    """)
    return


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