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jcheng5/app.py

Last active February 2, 2024 16:24
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Revisions

  1. jcheng5 revised this gist Feb 2, 2024. 2 changed files with 30 additions and 27 deletions.
    30 changes: 30 additions & 0 deletions app.py
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,30 @@
    from shiny import App, reactive, render, ui, module
    from shiny.session import Session
    from contextlib import redirect_stdout, redirect_stderr
    import asyncio
    from shiny_console import Console, console_ui, console_server


    # == Example usage =======================================

    app_ui = ui.page_fluid(
    ui.input_task_button("go", "Go"),
    console_ui("one"),
    class_="p-3"
    )

    def server(input, output, session):
    console = console_server("one")

    @reactive.effect
    @reactive.event(input.go)
    async def _():
    console.clear()
    with redirect_stdout(console):
    with redirect_stderr(console):
    await asyncio.sleep(1)
    print("one")
    await asyncio.sleep(1)
    print("two")

    app = App(app_ui, server)
    27 changes: 0 additions & 27 deletions app-live-console.py → shiny_console.py
    View file
    Original file line number Diff line number Diff line change
    @@ -1,7 +1,5 @@
    from shiny import App, reactive, render, ui, module
    from shiny.session import Session
    from contextlib import redirect_stdout, redirect_stderr
    import asyncio

    class Console:
    def __init__(self, selector: str, session: Session):
    @@ -46,28 +44,3 @@ def console_ui():
    @module.server
    def console_server(input, output, session):
    return Console(f"#{session.ns('console')}", session)


    # == Example usage =======================================

    app_ui = ui.page_fluid(
    ui.input_task_button("go", "Go"),
    console_ui("one"),
    class_="p-3"
    )

    def server(input, output, session):
    console = console_server("one")

    @reactive.effect
    @reactive.event(input.go)
    async def _():
    console.clear()
    with redirect_stdout(console):
    with redirect_stderr(console):
    await asyncio.sleep(1)
    print("one")
    await asyncio.sleep(1)
    print("two")

    app = App(app_ui, server)
  2. jcheng5 created this gist Feb 2, 2024.
    73 changes: 73 additions & 0 deletions app-live-console.py
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,73 @@
    from shiny import App, reactive, render, ui, module
    from shiny.session import Session
    from contextlib import redirect_stdout, redirect_stderr
    import asyncio

    class Console:
    def __init__(self, selector: str, session: Session):
    self._selector = selector
    self._session = session

    def write(self, s: str):
    ui.insert_ui(
    s,
    f"{self._selector} > .out",
    "beforeEnd",
    immediate=True,
    session=self._session,
    )

    def clear(self):
    ui.remove_ui(
    f"{self._selector} > .out",
    immediate=True,
    session=self._session,
    )
    ui.insert_ui(
    ui.pre(class_="out"),
    self._selector,
    "beforeEnd",
    immediate=True,
    session=self._session,
    )

    def flush(self):
    pass


    @module.ui
    def console_ui():
    return ui.div(
    ui.pre(class_="out"),
    id=module.resolve_id("console"),
    )


    @module.server
    def console_server(input, output, session):
    return Console(f"#{session.ns('console')}", session)


    # == Example usage =======================================

    app_ui = ui.page_fluid(
    ui.input_task_button("go", "Go"),
    console_ui("one"),
    class_="p-3"
    )

    def server(input, output, session):
    console = console_server("one")

    @reactive.effect
    @reactive.event(input.go)
    async def _():
    console.clear()
    with redirect_stdout(console):
    with redirect_stderr(console):
    await asyncio.sleep(1)
    print("one")
    await asyncio.sleep(1)
    print("two")

    app = App(app_ui, server)