From 786dbbc3345b9a69b3cb11aa7841b8a077bde84a Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 09:13:58 -0400
Subject: [PATCH 1/9] calc

---
 shiny/api-examples/calc/app-express.py | 32 ++++++++++++++++++++++++++
 shiny/api-examples/calc/app.py         | 18 ++++++++-------
 2 files changed, 42 insertions(+), 8 deletions(-)
 create mode 100644 shiny/api-examples/calc/app-express.py

diff --git a/shiny/api-examples/calc/app-express.py b/shiny/api-examples/calc/app-express.py
new file mode 100644
index 000000000..2361cea80
--- /dev/null
+++ b/shiny/api-examples/calc/app-express.py
@@ -0,0 +1,32 @@
+import random
+import time
+
+from shiny import reactive
+from shiny.express import input, render, ui
+
+
+@reactive.calc
+def first():
+    input.first()
+    p = ui.Progress()
+    for i in range(30):
+        p.set(i / 30, message="Computing, please wait...")
+        time.sleep(0.1)
+    p.close()
+    return random.randint(1, 1000)
+
+
+@reactive.calc
+def second():
+    input.second()
+    return random.randint(1, 1000)
+
+
+with ui.card():
+    with ui.layout_columns():
+        ui.input_action_button("first", "Invalidate first (slow) computation")
+        ui.input_action_button("second", "Invalidate second (fast) computation")
+
+    @render.text
+    def result():
+        return first() + second()
diff --git a/shiny/api-examples/calc/app.py b/shiny/api-examples/calc/app.py
index 603313593..fe2620253 100644
--- a/shiny/api-examples/calc/app.py
+++ b/shiny/api-examples/calc/app.py
@@ -4,16 +4,18 @@
 from shiny import App, Inputs, Outputs, Session, reactive, render, ui
 
 app_ui = ui.page_fluid(
-    ui.input_action_button("first", "Invalidate first (slow) computation"),
-    " ",
-    ui.input_action_button("second", "Invalidate second (fast) computation"),
-    ui.br(),
-    ui.output_ui("result"),
+    ui.card(
+        ui.layout_columns(
+            ui.input_action_button("first", "Invalidate first (slow) computation"),
+            ui.input_action_button("second", "Invalidate second (fast) computation"),
+        ),
+        ui.output_text_verbatim("result"),
+    )
 )
 
 
 def server(input: Inputs, output: Outputs, session: Session):
-    @reactive.Calc
+    @reactive.calc
     def first():
         input.first()
         p = ui.Progress()
@@ -23,12 +25,12 @@ def first():
         p.close()
         return random.randint(1, 1000)
 
-    @reactive.Calc
+    @reactive.calc
     def second():
         input.second()
         return random.randint(1, 1000)
 
-    @render.ui
+    @render.text
     def result():
         return first() + second()
 

From d6b7cafeb92807efeb85968ed2d0d3b7250ce204 Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 09:18:38 -0400
Subject: [PATCH 2/9] reactive.effect

---
 shiny/api-examples/effect/app-express.py | 15 +++++++++++++++
 shiny/api-examples/effect/app.py         | 21 ++++++++++++---------
 2 files changed, 27 insertions(+), 9 deletions(-)
 create mode 100644 shiny/api-examples/effect/app-express.py

diff --git a/shiny/api-examples/effect/app-express.py b/shiny/api-examples/effect/app-express.py
new file mode 100644
index 000000000..363ed50cd
--- /dev/null
+++ b/shiny/api-examples/effect/app-express.py
@@ -0,0 +1,15 @@
+from shiny import reactive
+from shiny.express import input, ui
+
+ui.input_action_button("show", "Show modal dialog")
+
+
+@reactive.effect
+@reactive.event(input.show)
+def show_important_message():
+    m = ui.modal(
+        "This is a somewhat important message.",
+        easy_close=True,
+        footer=None,
+    )
+    ui.modal_show(m)
diff --git a/shiny/api-examples/effect/app.py b/shiny/api-examples/effect/app.py
index 8b9c2c599..8672a4b8b 100644
--- a/shiny/api-examples/effect/app.py
+++ b/shiny/api-examples/effect/app.py
@@ -1,17 +1,20 @@
-from shiny import App, Inputs, Outputs, Session, reactive, ui
+from shiny import App, reactive, ui
 
-app_ui = ui.page_fluid(ui.input_action_button("btn", "Press me!"))
+app_ui = ui.page_fixed(
+    ui.input_action_button("show", "Show modal dialog"),
+)
 
 
-def server(input: Inputs, output: Outputs, session: Session):
-    @reactive.Effect
-    @reactive.event(input.btn)
+def server(input, output, session):
+    @reactive.effect
+    @reactive.event(input.show)
     def _():
-        ui.insert_ui(
-            ui.p("Number of clicks: ", input.btn()),
-            selector="#btn",
-            where="afterEnd",
+        m = ui.modal(
+            "This is a somewhat important message.",
+            title="Somewhat important message",
+            easy_close=True,
         )
+        ui.modal_show(m)
 
 
 app = App(app_ui, server)

From 1f2dd1e43ff024a831076099ba710db7553c059d Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 09:20:19 -0400
Subject: [PATCH 3/9] progress

---
 shiny/api-examples/Progress/app-express.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 shiny/api-examples/Progress/app-express.py

diff --git a/shiny/api-examples/Progress/app-express.py b/shiny/api-examples/Progress/app-express.py
new file mode 100644
index 000000000..465d7c740
--- /dev/null
+++ b/shiny/api-examples/Progress/app-express.py
@@ -0,0 +1,21 @@
+import asyncio
+
+from shiny import reactive
+from shiny.express import input, render, ui
+
+ui.input_action_button("button", "Compute"),
+
+
+@render.text
+@reactive.event(input.button)
+async def compute():
+    with ui.Progress(min=1, max=15) as p:
+        p.set(message="Calculation in progress", detail="This may take a while...")
+
+        for i in range(1, 15):
+            p.set(i, message="Computing")
+            await asyncio.sleep(0.1)
+            # Normally use time.sleep() instead, but it doesn't yet work in Pyodide.
+            # https://github.com/pyodide/pyodide/issues/2354
+
+    return "Done computing!"

From e30ca7a242d176f4e7274b29bf6e7800b01c631e Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 09:24:18 -0400
Subject: [PATCH 4/9] reactive.value

---
 shiny/api-examples/Value/app-express.py | 28 +++++++++++++++++++++++++
 shiny/api-examples/Value/app.py         | 14 ++++++-------
 2 files changed, 35 insertions(+), 7 deletions(-)
 create mode 100644 shiny/api-examples/Value/app-express.py

diff --git a/shiny/api-examples/Value/app-express.py b/shiny/api-examples/Value/app-express.py
new file mode 100644
index 000000000..80a55e165
--- /dev/null
+++ b/shiny/api-examples/Value/app-express.py
@@ -0,0 +1,28 @@
+from shiny import reactive
+from shiny.express import input, render, ui
+
+val = reactive.Value(0)
+
+
+@reactive.effect
+@reactive.event(input.minus)
+def _():
+    newVal = val.get() - 1
+    val.set(newVal)
+
+
+@reactive.effect
+@reactive.event(input.plus)
+def _():
+    newVal = val.get() + 1
+    val.set(newVal)
+
+
+with ui.sidebar():
+    ui.input_action_button("minus", "-1")
+    ui.input_action_button("plus", "+1")
+
+
+@render.text
+def value():
+    return str(val.get())
diff --git a/shiny/api-examples/Value/app.py b/shiny/api-examples/Value/app.py
index fe0112954..04479492a 100644
--- a/shiny/api-examples/Value/app.py
+++ b/shiny/api-examples/Value/app.py
@@ -1,10 +1,10 @@
 from shiny import App, Inputs, Outputs, Session, reactive, render, ui
 
-app_ui = ui.page_fluid(
-    ui.input_action_button("minus", "-1"),
-    " ",
-    ui.input_action_button("plus", "+1"),
-    ui.br(),
+app_ui = ui.page_sidebar(
+    ui.sidebar(
+        ui.input_action_button("minus", "-1"),
+        ui.input_action_button("plus", "+1"),
+    ),
     ui.output_text("value"),
 )
 
@@ -12,13 +12,13 @@
 def server(input: Inputs, output: Outputs, session: Session):
     val = reactive.Value(0)
 
-    @reactive.Effect
+    @reactive.effect
     @reactive.event(input.minus)
     def _():
         newVal = val.get() - 1
         val.set(newVal)
 
-    @reactive.Effect
+    @reactive.effect
     @reactive.event(input.plus)
     def _():
         newVal = val.get() + 1

From f3cfd43e492af84805f62faf3234d20dfaeee106 Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 09:26:56 -0400
Subject: [PATCH 5/9] invalidate_later

---
 shiny/api-examples/invalidate_later/app-express.py | 10 ++++++++++
 shiny/api-examples/invalidate_later/app.py         |  9 ++-------
 2 files changed, 12 insertions(+), 7 deletions(-)
 create mode 100644 shiny/api-examples/invalidate_later/app-express.py

diff --git a/shiny/api-examples/invalidate_later/app-express.py b/shiny/api-examples/invalidate_later/app-express.py
new file mode 100644
index 000000000..270c5e889
--- /dev/null
+++ b/shiny/api-examples/invalidate_later/app-express.py
@@ -0,0 +1,10 @@
+import random
+
+from shiny import reactive
+from shiny.express import render
+
+
+@render.text
+def value():
+    reactive.invalidate_later(0.5)
+    return "Random int: " + str(random.randint(0, 10000))
diff --git a/shiny/api-examples/invalidate_later/app.py b/shiny/api-examples/invalidate_later/app.py
index 7966d01f0..66de8233d 100644
--- a/shiny/api-examples/invalidate_later/app.py
+++ b/shiny/api-examples/invalidate_later/app.py
@@ -2,16 +2,11 @@
 
 from shiny import App, Inputs, Outputs, Session, reactive, render, ui
 
-app_ui = ui.page_fluid(ui.output_ui("value"))
+app_ui = ui.page_fluid(ui.output_text("value"))
 
 
 def server(input: Inputs, output: Outputs, session: Session):
-    @reactive.Effect
-    def _():
-        reactive.invalidate_later(0.5)
-        print("Random int: ", random.randint(0, 10000))
-
-    @render.ui
+    @render.text
     def value():
         reactive.invalidate_later(0.5)
         return "Random int: " + str(random.randint(0, 10000))

From 0693f995fc7c2c015d9a7a5b76502d55870f3abe Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 09:28:40 -0400
Subject: [PATCH 6/9] reactive.isolate

---
 shiny/api-examples/isolate/app-express.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 shiny/api-examples/isolate/app-express.py

diff --git a/shiny/api-examples/isolate/app-express.py b/shiny/api-examples/isolate/app-express.py
new file mode 100644
index 000000000..52f8b9c38
--- /dev/null
+++ b/shiny/api-examples/isolate/app-express.py
@@ -0,0 +1,23 @@
+import matplotlib.pyplot as plt
+import numpy as np
+
+from shiny import reactive
+from shiny.express import input, render, ui
+
+ui.input_slider("n", "Number of observations", min=0, max=1000, value=500)
+ui.input_action_button("go", "Go!", class_="btn-success")
+
+
+@render.plot(alt="A histogram")
+def plot():
+    # Take a reactive dependency on the action button...
+    input.go()
+
+    # ...but don't take a reactive dependency on the slider
+    with reactive.isolate():
+        np.random.seed(19680801)
+        x = 100 + 15 * np.random.randn(input.n())
+
+    fig, ax = plt.subplots()
+    ax.hist(x, bins=30, density=True)
+    return fig

From dcb8dee8f63f7e3c957f7e0eb7f8f86d72722519 Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 11:00:29 -0400
Subject: [PATCH 7/9] Rename app.py examples to app-core.py

---
 shiny/api-examples/Module/{app.py => app-core.py}                 | 0
 shiny/api-examples/Progress/{app.py => app-core.py}               | 0
 shiny/api-examples/Renderer/{app.py => app-core.py}               | 0
 shiny/api-examples/SafeException/{app.py => app-core.py}          | 0
 .../SilentCancelOutputException/{app.py => app-core.py}           | 0
 shiny/api-examples/SilentException/{app.py => app-core.py}        | 0
 shiny/api-examples/Value/{app.py => app-core.py}                  | 0
 shiny/api-examples/accordion/{app.py => app-core.py}              | 0
 shiny/api-examples/accordion_panel/{app.py => app-core.py}        | 0
 shiny/api-examples/as_fill_item/{app.py => app-core.py}           | 0
 shiny/api-examples/as_fillable_container/{app.py => app-core.py}  | 0
 shiny/api-examples/calc/{app.py => app-core.py}                   | 0
 shiny/api-examples/card/{app.py => app-core.py}                   | 0
 shiny/api-examples/card_body/{app.py => app-core.py}              | 0
 shiny/api-examples/card_footer/{app.py => app-core.py}            | 0
 shiny/api-examples/card_header/{app.py => app-core.py}            | 0
 shiny/api-examples/close/{app.py => app-core.py}                  | 0
 shiny/api-examples/data_frame/{app.py => app-core.py}             | 0
 shiny/api-examples/download/{app.py => app-core.py}               | 0
 shiny/api-examples/download_button/{app.py => app-core.py}        | 0
 shiny/api-examples/download_link/{app.py => app-core.py}          | 0
 shiny/api-examples/dynamic_route/{app.py => app-core.py}          | 0
 shiny/api-examples/effect/{app.py => app-core.py}                 | 0
 shiny/api-examples/event/{app.py => app-core.py}                  | 0
 shiny/api-examples/extended_task/{app.py => app-core.py}          | 0
 shiny/api-examples/file_reader/{app.py => app-core.py}            | 0
 shiny/api-examples/include_css/{app.py => app-core.py}            | 0
 shiny/api-examples/include_js/{app.py => app-core.py}             | 0
 shiny/api-examples/input_action_button/{app.py => app-core.py}    | 0
 shiny/api-examples/input_action_link/{app.py => app-core.py}      | 0
 shiny/api-examples/input_checkbox/{app.py => app-core.py}         | 0
 shiny/api-examples/input_checkbox_group/{app.py => app-core.py}   | 0
 shiny/api-examples/input_date/{app.py => app-core.py}             | 0
 shiny/api-examples/input_date_range/{app.py => app-core.py}       | 0
 shiny/api-examples/input_file/{app.py => app-core.py}             | 0
 shiny/api-examples/input_numeric/{app.py => app-core.py}          | 0
 shiny/api-examples/input_password/{app.py => app-core.py}         | 0
 shiny/api-examples/input_radio_buttons/{app.py => app-core.py}    | 0
 shiny/api-examples/input_select/{app.py => app-core.py}           | 0
 shiny/api-examples/input_selectize/{app.py => app-core.py}        | 0
 shiny/api-examples/input_slider/{app.py => app-core.py}           | 0
 shiny/api-examples/input_switch/{app.py => app-core.py}           | 0
 shiny/api-examples/input_text/{app.py => app-core.py}             | 0
 shiny/api-examples/input_text_area/{app.py => app-core.py}        | 0
 shiny/api-examples/insert_accordion_panel/{app.py => app-core.py} | 0
 shiny/api-examples/insert_ui/{app.py => app-core.py}              | 0
 shiny/api-examples/invalidate_later/{app.py => app-core.py}       | 0
 shiny/api-examples/isolate/{app.py => app-core.py}                | 0
 shiny/api-examples/layout_column_wrap/{app.py => app-core.py}     | 0
 shiny/api-examples/layout_columns/{app.py => app-core.py}         | 0
 shiny/api-examples/layout_sidebar/{app.py => app-core.py}         | 0
 shiny/api-examples/markdown/{app.py => app-core.py}               | 0
 shiny/api-examples/modal/{app.py => app-core.py}                  | 0
 shiny/api-examples/nav_panel/{app.py => app-core.py}              | 0
 shiny/api-examples/navset_hidden/{app.py => app-core.py}          | 0
 shiny/api-examples/notification_show/{app.py => app-core.py}      | 0
 shiny/api-examples/on_ended/{app.py => app-core.py}               | 0
 shiny/api-examples/on_flush/{app.py => app-core.py}               | 0
 shiny/api-examples/on_flushed/{app.py => app-core.py}             | 0
 shiny/api-examples/output_image/{app.py => app-core.py}           | 0
 shiny/api-examples/output_plot/{app.py => app-core.py}            | 0
 shiny/api-examples/output_table/{app.py => app-core.py}           | 0
 shiny/api-examples/output_text/{app.py => app-core.py}            | 0
 shiny/api-examples/output_transformer/{app.py => app-core.py}     | 0
 shiny/api-examples/output_ui/{app.py => app-core.py}              | 0
 shiny/api-examples/page_fixed/{app.py => app-core.py}             | 0
 shiny/api-examples/page_fluid/{app.py => app-core.py}             | 0
 shiny/api-examples/page_sidebar/{app.py => app-core.py}           | 0
 shiny/api-examples/panel_absolute/{app.py => app-core.py}         | 0
 shiny/api-examples/panel_conditional/{app.py => app-core.py}      | 0
 shiny/api-examples/panel_title/{app.py => app-core.py}            | 0
 shiny/api-examples/poll/{app.py => app-core.py}                   | 0
 shiny/api-examples/popover/{app.py => app-core.py}                | 0
 shiny/api-examples/remove_accordion_panel/{app.py => app-core.py} | 0
 shiny/api-examples/remove_ui/{app.py => app-core.py}              | 0
 shiny/api-examples/render_express/{app.py => app-core.py}         | 0
 shiny/api-examples/render_image/{app.py => app-core.py}           | 0
 shiny/api-examples/req/{app.py => app-core.py}                    | 0
 shiny/api-examples/row/{app.py => app-core.py}                    | 0
 shiny/api-examples/send_custom_message/{app.py => app-core.py}    | 0
 shiny/api-examples/showcase_bottom/{app.py => app-core.py}        | 0
 shiny/api-examples/showcase_left_center/{app.py => app-core.py}   | 0
 shiny/api-examples/showcase_top_right/{app.py => app-core.py}     | 0
 shiny/api-examples/sidebar/{app.py => app-core.py}                | 0
 shiny/api-examples/template/{app.py => app-core.py}               | 0
 shiny/api-examples/todo_list/{app.py => app-core.py}              | 0
 shiny/api-examples/tooltip/{app.py => app-core.py}                | 0
 shiny/api-examples/update_accordion/{app.py => app-core.py}       | 0
 shiny/api-examples/update_accordion_panel/{app.py => app-core.py} | 0
 shiny/api-examples/update_action_button/{app.py => app-core.py}   | 0
 shiny/api-examples/update_checkbox/{app.py => app-core.py}        | 0
 shiny/api-examples/update_checkbox_group/{app.py => app-core.py}  | 0
 shiny/api-examples/update_date/{app.py => app-core.py}            | 0
 shiny/api-examples/update_date_range/{app.py => app-core.py}      | 0
 shiny/api-examples/update_navs/{app.py => app-core.py}            | 0
 shiny/api-examples/update_numeric/{app.py => app-core.py}         | 0
 shiny/api-examples/update_popover/{app.py => app-core.py}         | 0
 shiny/api-examples/update_radio_buttons/{app.py => app-core.py}   | 0
 shiny/api-examples/update_select/{app.py => app-core.py}          | 0
 shiny/api-examples/update_selectize/{app.py => app-core.py}       | 0
 shiny/api-examples/update_sidebar/{app.py => app-core.py}         | 0
 shiny/api-examples/update_slider/{app.py => app-core.py}          | 0
 shiny/api-examples/update_text/{app.py => app-core.py}            | 0
 shiny/api-examples/update_tooltip/{app.py => app-core.py}         | 0
 shiny/api-examples/value_box/{app.py => app-core.py}              | 0
 shiny/api-examples/www_dir/{app.py => app-core.py}                | 0
 106 files changed, 0 insertions(+), 0 deletions(-)
 rename shiny/api-examples/Module/{app.py => app-core.py} (100%)
 rename shiny/api-examples/Progress/{app.py => app-core.py} (100%)
 rename shiny/api-examples/Renderer/{app.py => app-core.py} (100%)
 rename shiny/api-examples/SafeException/{app.py => app-core.py} (100%)
 rename shiny/api-examples/SilentCancelOutputException/{app.py => app-core.py} (100%)
 rename shiny/api-examples/SilentException/{app.py => app-core.py} (100%)
 rename shiny/api-examples/Value/{app.py => app-core.py} (100%)
 rename shiny/api-examples/accordion/{app.py => app-core.py} (100%)
 rename shiny/api-examples/accordion_panel/{app.py => app-core.py} (100%)
 rename shiny/api-examples/as_fill_item/{app.py => app-core.py} (100%)
 rename shiny/api-examples/as_fillable_container/{app.py => app-core.py} (100%)
 rename shiny/api-examples/calc/{app.py => app-core.py} (100%)
 rename shiny/api-examples/card/{app.py => app-core.py} (100%)
 rename shiny/api-examples/card_body/{app.py => app-core.py} (100%)
 rename shiny/api-examples/card_footer/{app.py => app-core.py} (100%)
 rename shiny/api-examples/card_header/{app.py => app-core.py} (100%)
 rename shiny/api-examples/close/{app.py => app-core.py} (100%)
 rename shiny/api-examples/data_frame/{app.py => app-core.py} (100%)
 rename shiny/api-examples/download/{app.py => app-core.py} (100%)
 rename shiny/api-examples/download_button/{app.py => app-core.py} (100%)
 rename shiny/api-examples/download_link/{app.py => app-core.py} (100%)
 rename shiny/api-examples/dynamic_route/{app.py => app-core.py} (100%)
 rename shiny/api-examples/effect/{app.py => app-core.py} (100%)
 rename shiny/api-examples/event/{app.py => app-core.py} (100%)
 rename shiny/api-examples/extended_task/{app.py => app-core.py} (100%)
 rename shiny/api-examples/file_reader/{app.py => app-core.py} (100%)
 rename shiny/api-examples/include_css/{app.py => app-core.py} (100%)
 rename shiny/api-examples/include_js/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_action_button/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_action_link/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_checkbox/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_checkbox_group/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_date/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_date_range/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_file/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_numeric/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_password/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_radio_buttons/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_select/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_selectize/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_slider/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_switch/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_text/{app.py => app-core.py} (100%)
 rename shiny/api-examples/input_text_area/{app.py => app-core.py} (100%)
 rename shiny/api-examples/insert_accordion_panel/{app.py => app-core.py} (100%)
 rename shiny/api-examples/insert_ui/{app.py => app-core.py} (100%)
 rename shiny/api-examples/invalidate_later/{app.py => app-core.py} (100%)
 rename shiny/api-examples/isolate/{app.py => app-core.py} (100%)
 rename shiny/api-examples/layout_column_wrap/{app.py => app-core.py} (100%)
 rename shiny/api-examples/layout_columns/{app.py => app-core.py} (100%)
 rename shiny/api-examples/layout_sidebar/{app.py => app-core.py} (100%)
 rename shiny/api-examples/markdown/{app.py => app-core.py} (100%)
 rename shiny/api-examples/modal/{app.py => app-core.py} (100%)
 rename shiny/api-examples/nav_panel/{app.py => app-core.py} (100%)
 rename shiny/api-examples/navset_hidden/{app.py => app-core.py} (100%)
 rename shiny/api-examples/notification_show/{app.py => app-core.py} (100%)
 rename shiny/api-examples/on_ended/{app.py => app-core.py} (100%)
 rename shiny/api-examples/on_flush/{app.py => app-core.py} (100%)
 rename shiny/api-examples/on_flushed/{app.py => app-core.py} (100%)
 rename shiny/api-examples/output_image/{app.py => app-core.py} (100%)
 rename shiny/api-examples/output_plot/{app.py => app-core.py} (100%)
 rename shiny/api-examples/output_table/{app.py => app-core.py} (100%)
 rename shiny/api-examples/output_text/{app.py => app-core.py} (100%)
 rename shiny/api-examples/output_transformer/{app.py => app-core.py} (100%)
 rename shiny/api-examples/output_ui/{app.py => app-core.py} (100%)
 rename shiny/api-examples/page_fixed/{app.py => app-core.py} (100%)
 rename shiny/api-examples/page_fluid/{app.py => app-core.py} (100%)
 rename shiny/api-examples/page_sidebar/{app.py => app-core.py} (100%)
 rename shiny/api-examples/panel_absolute/{app.py => app-core.py} (100%)
 rename shiny/api-examples/panel_conditional/{app.py => app-core.py} (100%)
 rename shiny/api-examples/panel_title/{app.py => app-core.py} (100%)
 rename shiny/api-examples/poll/{app.py => app-core.py} (100%)
 rename shiny/api-examples/popover/{app.py => app-core.py} (100%)
 rename shiny/api-examples/remove_accordion_panel/{app.py => app-core.py} (100%)
 rename shiny/api-examples/remove_ui/{app.py => app-core.py} (100%)
 rename shiny/api-examples/render_express/{app.py => app-core.py} (100%)
 rename shiny/api-examples/render_image/{app.py => app-core.py} (100%)
 rename shiny/api-examples/req/{app.py => app-core.py} (100%)
 rename shiny/api-examples/row/{app.py => app-core.py} (100%)
 rename shiny/api-examples/send_custom_message/{app.py => app-core.py} (100%)
 rename shiny/api-examples/showcase_bottom/{app.py => app-core.py} (100%)
 rename shiny/api-examples/showcase_left_center/{app.py => app-core.py} (100%)
 rename shiny/api-examples/showcase_top_right/{app.py => app-core.py} (100%)
 rename shiny/api-examples/sidebar/{app.py => app-core.py} (100%)
 rename shiny/api-examples/template/{app.py => app-core.py} (100%)
 rename shiny/api-examples/todo_list/{app.py => app-core.py} (100%)
 rename shiny/api-examples/tooltip/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_accordion/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_accordion_panel/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_action_button/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_checkbox/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_checkbox_group/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_date/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_date_range/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_navs/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_numeric/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_popover/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_radio_buttons/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_select/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_selectize/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_sidebar/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_slider/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_text/{app.py => app-core.py} (100%)
 rename shiny/api-examples/update_tooltip/{app.py => app-core.py} (100%)
 rename shiny/api-examples/value_box/{app.py => app-core.py} (100%)
 rename shiny/api-examples/www_dir/{app.py => app-core.py} (100%)

diff --git a/shiny/api-examples/Module/app.py b/shiny/api-examples/Module/app-core.py
similarity index 100%
rename from shiny/api-examples/Module/app.py
rename to shiny/api-examples/Module/app-core.py
diff --git a/shiny/api-examples/Progress/app.py b/shiny/api-examples/Progress/app-core.py
similarity index 100%
rename from shiny/api-examples/Progress/app.py
rename to shiny/api-examples/Progress/app-core.py
diff --git a/shiny/api-examples/Renderer/app.py b/shiny/api-examples/Renderer/app-core.py
similarity index 100%
rename from shiny/api-examples/Renderer/app.py
rename to shiny/api-examples/Renderer/app-core.py
diff --git a/shiny/api-examples/SafeException/app.py b/shiny/api-examples/SafeException/app-core.py
similarity index 100%
rename from shiny/api-examples/SafeException/app.py
rename to shiny/api-examples/SafeException/app-core.py
diff --git a/shiny/api-examples/SilentCancelOutputException/app.py b/shiny/api-examples/SilentCancelOutputException/app-core.py
similarity index 100%
rename from shiny/api-examples/SilentCancelOutputException/app.py
rename to shiny/api-examples/SilentCancelOutputException/app-core.py
diff --git a/shiny/api-examples/SilentException/app.py b/shiny/api-examples/SilentException/app-core.py
similarity index 100%
rename from shiny/api-examples/SilentException/app.py
rename to shiny/api-examples/SilentException/app-core.py
diff --git a/shiny/api-examples/Value/app.py b/shiny/api-examples/Value/app-core.py
similarity index 100%
rename from shiny/api-examples/Value/app.py
rename to shiny/api-examples/Value/app-core.py
diff --git a/shiny/api-examples/accordion/app.py b/shiny/api-examples/accordion/app-core.py
similarity index 100%
rename from shiny/api-examples/accordion/app.py
rename to shiny/api-examples/accordion/app-core.py
diff --git a/shiny/api-examples/accordion_panel/app.py b/shiny/api-examples/accordion_panel/app-core.py
similarity index 100%
rename from shiny/api-examples/accordion_panel/app.py
rename to shiny/api-examples/accordion_panel/app-core.py
diff --git a/shiny/api-examples/as_fill_item/app.py b/shiny/api-examples/as_fill_item/app-core.py
similarity index 100%
rename from shiny/api-examples/as_fill_item/app.py
rename to shiny/api-examples/as_fill_item/app-core.py
diff --git a/shiny/api-examples/as_fillable_container/app.py b/shiny/api-examples/as_fillable_container/app-core.py
similarity index 100%
rename from shiny/api-examples/as_fillable_container/app.py
rename to shiny/api-examples/as_fillable_container/app-core.py
diff --git a/shiny/api-examples/calc/app.py b/shiny/api-examples/calc/app-core.py
similarity index 100%
rename from shiny/api-examples/calc/app.py
rename to shiny/api-examples/calc/app-core.py
diff --git a/shiny/api-examples/card/app.py b/shiny/api-examples/card/app-core.py
similarity index 100%
rename from shiny/api-examples/card/app.py
rename to shiny/api-examples/card/app-core.py
diff --git a/shiny/api-examples/card_body/app.py b/shiny/api-examples/card_body/app-core.py
similarity index 100%
rename from shiny/api-examples/card_body/app.py
rename to shiny/api-examples/card_body/app-core.py
diff --git a/shiny/api-examples/card_footer/app.py b/shiny/api-examples/card_footer/app-core.py
similarity index 100%
rename from shiny/api-examples/card_footer/app.py
rename to shiny/api-examples/card_footer/app-core.py
diff --git a/shiny/api-examples/card_header/app.py b/shiny/api-examples/card_header/app-core.py
similarity index 100%
rename from shiny/api-examples/card_header/app.py
rename to shiny/api-examples/card_header/app-core.py
diff --git a/shiny/api-examples/close/app.py b/shiny/api-examples/close/app-core.py
similarity index 100%
rename from shiny/api-examples/close/app.py
rename to shiny/api-examples/close/app-core.py
diff --git a/shiny/api-examples/data_frame/app.py b/shiny/api-examples/data_frame/app-core.py
similarity index 100%
rename from shiny/api-examples/data_frame/app.py
rename to shiny/api-examples/data_frame/app-core.py
diff --git a/shiny/api-examples/download/app.py b/shiny/api-examples/download/app-core.py
similarity index 100%
rename from shiny/api-examples/download/app.py
rename to shiny/api-examples/download/app-core.py
diff --git a/shiny/api-examples/download_button/app.py b/shiny/api-examples/download_button/app-core.py
similarity index 100%
rename from shiny/api-examples/download_button/app.py
rename to shiny/api-examples/download_button/app-core.py
diff --git a/shiny/api-examples/download_link/app.py b/shiny/api-examples/download_link/app-core.py
similarity index 100%
rename from shiny/api-examples/download_link/app.py
rename to shiny/api-examples/download_link/app-core.py
diff --git a/shiny/api-examples/dynamic_route/app.py b/shiny/api-examples/dynamic_route/app-core.py
similarity index 100%
rename from shiny/api-examples/dynamic_route/app.py
rename to shiny/api-examples/dynamic_route/app-core.py
diff --git a/shiny/api-examples/effect/app.py b/shiny/api-examples/effect/app-core.py
similarity index 100%
rename from shiny/api-examples/effect/app.py
rename to shiny/api-examples/effect/app-core.py
diff --git a/shiny/api-examples/event/app.py b/shiny/api-examples/event/app-core.py
similarity index 100%
rename from shiny/api-examples/event/app.py
rename to shiny/api-examples/event/app-core.py
diff --git a/shiny/api-examples/extended_task/app.py b/shiny/api-examples/extended_task/app-core.py
similarity index 100%
rename from shiny/api-examples/extended_task/app.py
rename to shiny/api-examples/extended_task/app-core.py
diff --git a/shiny/api-examples/file_reader/app.py b/shiny/api-examples/file_reader/app-core.py
similarity index 100%
rename from shiny/api-examples/file_reader/app.py
rename to shiny/api-examples/file_reader/app-core.py
diff --git a/shiny/api-examples/include_css/app.py b/shiny/api-examples/include_css/app-core.py
similarity index 100%
rename from shiny/api-examples/include_css/app.py
rename to shiny/api-examples/include_css/app-core.py
diff --git a/shiny/api-examples/include_js/app.py b/shiny/api-examples/include_js/app-core.py
similarity index 100%
rename from shiny/api-examples/include_js/app.py
rename to shiny/api-examples/include_js/app-core.py
diff --git a/shiny/api-examples/input_action_button/app.py b/shiny/api-examples/input_action_button/app-core.py
similarity index 100%
rename from shiny/api-examples/input_action_button/app.py
rename to shiny/api-examples/input_action_button/app-core.py
diff --git a/shiny/api-examples/input_action_link/app.py b/shiny/api-examples/input_action_link/app-core.py
similarity index 100%
rename from shiny/api-examples/input_action_link/app.py
rename to shiny/api-examples/input_action_link/app-core.py
diff --git a/shiny/api-examples/input_checkbox/app.py b/shiny/api-examples/input_checkbox/app-core.py
similarity index 100%
rename from shiny/api-examples/input_checkbox/app.py
rename to shiny/api-examples/input_checkbox/app-core.py
diff --git a/shiny/api-examples/input_checkbox_group/app.py b/shiny/api-examples/input_checkbox_group/app-core.py
similarity index 100%
rename from shiny/api-examples/input_checkbox_group/app.py
rename to shiny/api-examples/input_checkbox_group/app-core.py
diff --git a/shiny/api-examples/input_date/app.py b/shiny/api-examples/input_date/app-core.py
similarity index 100%
rename from shiny/api-examples/input_date/app.py
rename to shiny/api-examples/input_date/app-core.py
diff --git a/shiny/api-examples/input_date_range/app.py b/shiny/api-examples/input_date_range/app-core.py
similarity index 100%
rename from shiny/api-examples/input_date_range/app.py
rename to shiny/api-examples/input_date_range/app-core.py
diff --git a/shiny/api-examples/input_file/app.py b/shiny/api-examples/input_file/app-core.py
similarity index 100%
rename from shiny/api-examples/input_file/app.py
rename to shiny/api-examples/input_file/app-core.py
diff --git a/shiny/api-examples/input_numeric/app.py b/shiny/api-examples/input_numeric/app-core.py
similarity index 100%
rename from shiny/api-examples/input_numeric/app.py
rename to shiny/api-examples/input_numeric/app-core.py
diff --git a/shiny/api-examples/input_password/app.py b/shiny/api-examples/input_password/app-core.py
similarity index 100%
rename from shiny/api-examples/input_password/app.py
rename to shiny/api-examples/input_password/app-core.py
diff --git a/shiny/api-examples/input_radio_buttons/app.py b/shiny/api-examples/input_radio_buttons/app-core.py
similarity index 100%
rename from shiny/api-examples/input_radio_buttons/app.py
rename to shiny/api-examples/input_radio_buttons/app-core.py
diff --git a/shiny/api-examples/input_select/app.py b/shiny/api-examples/input_select/app-core.py
similarity index 100%
rename from shiny/api-examples/input_select/app.py
rename to shiny/api-examples/input_select/app-core.py
diff --git a/shiny/api-examples/input_selectize/app.py b/shiny/api-examples/input_selectize/app-core.py
similarity index 100%
rename from shiny/api-examples/input_selectize/app.py
rename to shiny/api-examples/input_selectize/app-core.py
diff --git a/shiny/api-examples/input_slider/app.py b/shiny/api-examples/input_slider/app-core.py
similarity index 100%
rename from shiny/api-examples/input_slider/app.py
rename to shiny/api-examples/input_slider/app-core.py
diff --git a/shiny/api-examples/input_switch/app.py b/shiny/api-examples/input_switch/app-core.py
similarity index 100%
rename from shiny/api-examples/input_switch/app.py
rename to shiny/api-examples/input_switch/app-core.py
diff --git a/shiny/api-examples/input_text/app.py b/shiny/api-examples/input_text/app-core.py
similarity index 100%
rename from shiny/api-examples/input_text/app.py
rename to shiny/api-examples/input_text/app-core.py
diff --git a/shiny/api-examples/input_text_area/app.py b/shiny/api-examples/input_text_area/app-core.py
similarity index 100%
rename from shiny/api-examples/input_text_area/app.py
rename to shiny/api-examples/input_text_area/app-core.py
diff --git a/shiny/api-examples/insert_accordion_panel/app.py b/shiny/api-examples/insert_accordion_panel/app-core.py
similarity index 100%
rename from shiny/api-examples/insert_accordion_panel/app.py
rename to shiny/api-examples/insert_accordion_panel/app-core.py
diff --git a/shiny/api-examples/insert_ui/app.py b/shiny/api-examples/insert_ui/app-core.py
similarity index 100%
rename from shiny/api-examples/insert_ui/app.py
rename to shiny/api-examples/insert_ui/app-core.py
diff --git a/shiny/api-examples/invalidate_later/app.py b/shiny/api-examples/invalidate_later/app-core.py
similarity index 100%
rename from shiny/api-examples/invalidate_later/app.py
rename to shiny/api-examples/invalidate_later/app-core.py
diff --git a/shiny/api-examples/isolate/app.py b/shiny/api-examples/isolate/app-core.py
similarity index 100%
rename from shiny/api-examples/isolate/app.py
rename to shiny/api-examples/isolate/app-core.py
diff --git a/shiny/api-examples/layout_column_wrap/app.py b/shiny/api-examples/layout_column_wrap/app-core.py
similarity index 100%
rename from shiny/api-examples/layout_column_wrap/app.py
rename to shiny/api-examples/layout_column_wrap/app-core.py
diff --git a/shiny/api-examples/layout_columns/app.py b/shiny/api-examples/layout_columns/app-core.py
similarity index 100%
rename from shiny/api-examples/layout_columns/app.py
rename to shiny/api-examples/layout_columns/app-core.py
diff --git a/shiny/api-examples/layout_sidebar/app.py b/shiny/api-examples/layout_sidebar/app-core.py
similarity index 100%
rename from shiny/api-examples/layout_sidebar/app.py
rename to shiny/api-examples/layout_sidebar/app-core.py
diff --git a/shiny/api-examples/markdown/app.py b/shiny/api-examples/markdown/app-core.py
similarity index 100%
rename from shiny/api-examples/markdown/app.py
rename to shiny/api-examples/markdown/app-core.py
diff --git a/shiny/api-examples/modal/app.py b/shiny/api-examples/modal/app-core.py
similarity index 100%
rename from shiny/api-examples/modal/app.py
rename to shiny/api-examples/modal/app-core.py
diff --git a/shiny/api-examples/nav_panel/app.py b/shiny/api-examples/nav_panel/app-core.py
similarity index 100%
rename from shiny/api-examples/nav_panel/app.py
rename to shiny/api-examples/nav_panel/app-core.py
diff --git a/shiny/api-examples/navset_hidden/app.py b/shiny/api-examples/navset_hidden/app-core.py
similarity index 100%
rename from shiny/api-examples/navset_hidden/app.py
rename to shiny/api-examples/navset_hidden/app-core.py
diff --git a/shiny/api-examples/notification_show/app.py b/shiny/api-examples/notification_show/app-core.py
similarity index 100%
rename from shiny/api-examples/notification_show/app.py
rename to shiny/api-examples/notification_show/app-core.py
diff --git a/shiny/api-examples/on_ended/app.py b/shiny/api-examples/on_ended/app-core.py
similarity index 100%
rename from shiny/api-examples/on_ended/app.py
rename to shiny/api-examples/on_ended/app-core.py
diff --git a/shiny/api-examples/on_flush/app.py b/shiny/api-examples/on_flush/app-core.py
similarity index 100%
rename from shiny/api-examples/on_flush/app.py
rename to shiny/api-examples/on_flush/app-core.py
diff --git a/shiny/api-examples/on_flushed/app.py b/shiny/api-examples/on_flushed/app-core.py
similarity index 100%
rename from shiny/api-examples/on_flushed/app.py
rename to shiny/api-examples/on_flushed/app-core.py
diff --git a/shiny/api-examples/output_image/app.py b/shiny/api-examples/output_image/app-core.py
similarity index 100%
rename from shiny/api-examples/output_image/app.py
rename to shiny/api-examples/output_image/app-core.py
diff --git a/shiny/api-examples/output_plot/app.py b/shiny/api-examples/output_plot/app-core.py
similarity index 100%
rename from shiny/api-examples/output_plot/app.py
rename to shiny/api-examples/output_plot/app-core.py
diff --git a/shiny/api-examples/output_table/app.py b/shiny/api-examples/output_table/app-core.py
similarity index 100%
rename from shiny/api-examples/output_table/app.py
rename to shiny/api-examples/output_table/app-core.py
diff --git a/shiny/api-examples/output_text/app.py b/shiny/api-examples/output_text/app-core.py
similarity index 100%
rename from shiny/api-examples/output_text/app.py
rename to shiny/api-examples/output_text/app-core.py
diff --git a/shiny/api-examples/output_transformer/app.py b/shiny/api-examples/output_transformer/app-core.py
similarity index 100%
rename from shiny/api-examples/output_transformer/app.py
rename to shiny/api-examples/output_transformer/app-core.py
diff --git a/shiny/api-examples/output_ui/app.py b/shiny/api-examples/output_ui/app-core.py
similarity index 100%
rename from shiny/api-examples/output_ui/app.py
rename to shiny/api-examples/output_ui/app-core.py
diff --git a/shiny/api-examples/page_fixed/app.py b/shiny/api-examples/page_fixed/app-core.py
similarity index 100%
rename from shiny/api-examples/page_fixed/app.py
rename to shiny/api-examples/page_fixed/app-core.py
diff --git a/shiny/api-examples/page_fluid/app.py b/shiny/api-examples/page_fluid/app-core.py
similarity index 100%
rename from shiny/api-examples/page_fluid/app.py
rename to shiny/api-examples/page_fluid/app-core.py
diff --git a/shiny/api-examples/page_sidebar/app.py b/shiny/api-examples/page_sidebar/app-core.py
similarity index 100%
rename from shiny/api-examples/page_sidebar/app.py
rename to shiny/api-examples/page_sidebar/app-core.py
diff --git a/shiny/api-examples/panel_absolute/app.py b/shiny/api-examples/panel_absolute/app-core.py
similarity index 100%
rename from shiny/api-examples/panel_absolute/app.py
rename to shiny/api-examples/panel_absolute/app-core.py
diff --git a/shiny/api-examples/panel_conditional/app.py b/shiny/api-examples/panel_conditional/app-core.py
similarity index 100%
rename from shiny/api-examples/panel_conditional/app.py
rename to shiny/api-examples/panel_conditional/app-core.py
diff --git a/shiny/api-examples/panel_title/app.py b/shiny/api-examples/panel_title/app-core.py
similarity index 100%
rename from shiny/api-examples/panel_title/app.py
rename to shiny/api-examples/panel_title/app-core.py
diff --git a/shiny/api-examples/poll/app.py b/shiny/api-examples/poll/app-core.py
similarity index 100%
rename from shiny/api-examples/poll/app.py
rename to shiny/api-examples/poll/app-core.py
diff --git a/shiny/api-examples/popover/app.py b/shiny/api-examples/popover/app-core.py
similarity index 100%
rename from shiny/api-examples/popover/app.py
rename to shiny/api-examples/popover/app-core.py
diff --git a/shiny/api-examples/remove_accordion_panel/app.py b/shiny/api-examples/remove_accordion_panel/app-core.py
similarity index 100%
rename from shiny/api-examples/remove_accordion_panel/app.py
rename to shiny/api-examples/remove_accordion_panel/app-core.py
diff --git a/shiny/api-examples/remove_ui/app.py b/shiny/api-examples/remove_ui/app-core.py
similarity index 100%
rename from shiny/api-examples/remove_ui/app.py
rename to shiny/api-examples/remove_ui/app-core.py
diff --git a/shiny/api-examples/render_express/app.py b/shiny/api-examples/render_express/app-core.py
similarity index 100%
rename from shiny/api-examples/render_express/app.py
rename to shiny/api-examples/render_express/app-core.py
diff --git a/shiny/api-examples/render_image/app.py b/shiny/api-examples/render_image/app-core.py
similarity index 100%
rename from shiny/api-examples/render_image/app.py
rename to shiny/api-examples/render_image/app-core.py
diff --git a/shiny/api-examples/req/app.py b/shiny/api-examples/req/app-core.py
similarity index 100%
rename from shiny/api-examples/req/app.py
rename to shiny/api-examples/req/app-core.py
diff --git a/shiny/api-examples/row/app.py b/shiny/api-examples/row/app-core.py
similarity index 100%
rename from shiny/api-examples/row/app.py
rename to shiny/api-examples/row/app-core.py
diff --git a/shiny/api-examples/send_custom_message/app.py b/shiny/api-examples/send_custom_message/app-core.py
similarity index 100%
rename from shiny/api-examples/send_custom_message/app.py
rename to shiny/api-examples/send_custom_message/app-core.py
diff --git a/shiny/api-examples/showcase_bottom/app.py b/shiny/api-examples/showcase_bottom/app-core.py
similarity index 100%
rename from shiny/api-examples/showcase_bottom/app.py
rename to shiny/api-examples/showcase_bottom/app-core.py
diff --git a/shiny/api-examples/showcase_left_center/app.py b/shiny/api-examples/showcase_left_center/app-core.py
similarity index 100%
rename from shiny/api-examples/showcase_left_center/app.py
rename to shiny/api-examples/showcase_left_center/app-core.py
diff --git a/shiny/api-examples/showcase_top_right/app.py b/shiny/api-examples/showcase_top_right/app-core.py
similarity index 100%
rename from shiny/api-examples/showcase_top_right/app.py
rename to shiny/api-examples/showcase_top_right/app-core.py
diff --git a/shiny/api-examples/sidebar/app.py b/shiny/api-examples/sidebar/app-core.py
similarity index 100%
rename from shiny/api-examples/sidebar/app.py
rename to shiny/api-examples/sidebar/app-core.py
diff --git a/shiny/api-examples/template/app.py b/shiny/api-examples/template/app-core.py
similarity index 100%
rename from shiny/api-examples/template/app.py
rename to shiny/api-examples/template/app-core.py
diff --git a/shiny/api-examples/todo_list/app.py b/shiny/api-examples/todo_list/app-core.py
similarity index 100%
rename from shiny/api-examples/todo_list/app.py
rename to shiny/api-examples/todo_list/app-core.py
diff --git a/shiny/api-examples/tooltip/app.py b/shiny/api-examples/tooltip/app-core.py
similarity index 100%
rename from shiny/api-examples/tooltip/app.py
rename to shiny/api-examples/tooltip/app-core.py
diff --git a/shiny/api-examples/update_accordion/app.py b/shiny/api-examples/update_accordion/app-core.py
similarity index 100%
rename from shiny/api-examples/update_accordion/app.py
rename to shiny/api-examples/update_accordion/app-core.py
diff --git a/shiny/api-examples/update_accordion_panel/app.py b/shiny/api-examples/update_accordion_panel/app-core.py
similarity index 100%
rename from shiny/api-examples/update_accordion_panel/app.py
rename to shiny/api-examples/update_accordion_panel/app-core.py
diff --git a/shiny/api-examples/update_action_button/app.py b/shiny/api-examples/update_action_button/app-core.py
similarity index 100%
rename from shiny/api-examples/update_action_button/app.py
rename to shiny/api-examples/update_action_button/app-core.py
diff --git a/shiny/api-examples/update_checkbox/app.py b/shiny/api-examples/update_checkbox/app-core.py
similarity index 100%
rename from shiny/api-examples/update_checkbox/app.py
rename to shiny/api-examples/update_checkbox/app-core.py
diff --git a/shiny/api-examples/update_checkbox_group/app.py b/shiny/api-examples/update_checkbox_group/app-core.py
similarity index 100%
rename from shiny/api-examples/update_checkbox_group/app.py
rename to shiny/api-examples/update_checkbox_group/app-core.py
diff --git a/shiny/api-examples/update_date/app.py b/shiny/api-examples/update_date/app-core.py
similarity index 100%
rename from shiny/api-examples/update_date/app.py
rename to shiny/api-examples/update_date/app-core.py
diff --git a/shiny/api-examples/update_date_range/app.py b/shiny/api-examples/update_date_range/app-core.py
similarity index 100%
rename from shiny/api-examples/update_date_range/app.py
rename to shiny/api-examples/update_date_range/app-core.py
diff --git a/shiny/api-examples/update_navs/app.py b/shiny/api-examples/update_navs/app-core.py
similarity index 100%
rename from shiny/api-examples/update_navs/app.py
rename to shiny/api-examples/update_navs/app-core.py
diff --git a/shiny/api-examples/update_numeric/app.py b/shiny/api-examples/update_numeric/app-core.py
similarity index 100%
rename from shiny/api-examples/update_numeric/app.py
rename to shiny/api-examples/update_numeric/app-core.py
diff --git a/shiny/api-examples/update_popover/app.py b/shiny/api-examples/update_popover/app-core.py
similarity index 100%
rename from shiny/api-examples/update_popover/app.py
rename to shiny/api-examples/update_popover/app-core.py
diff --git a/shiny/api-examples/update_radio_buttons/app.py b/shiny/api-examples/update_radio_buttons/app-core.py
similarity index 100%
rename from shiny/api-examples/update_radio_buttons/app.py
rename to shiny/api-examples/update_radio_buttons/app-core.py
diff --git a/shiny/api-examples/update_select/app.py b/shiny/api-examples/update_select/app-core.py
similarity index 100%
rename from shiny/api-examples/update_select/app.py
rename to shiny/api-examples/update_select/app-core.py
diff --git a/shiny/api-examples/update_selectize/app.py b/shiny/api-examples/update_selectize/app-core.py
similarity index 100%
rename from shiny/api-examples/update_selectize/app.py
rename to shiny/api-examples/update_selectize/app-core.py
diff --git a/shiny/api-examples/update_sidebar/app.py b/shiny/api-examples/update_sidebar/app-core.py
similarity index 100%
rename from shiny/api-examples/update_sidebar/app.py
rename to shiny/api-examples/update_sidebar/app-core.py
diff --git a/shiny/api-examples/update_slider/app.py b/shiny/api-examples/update_slider/app-core.py
similarity index 100%
rename from shiny/api-examples/update_slider/app.py
rename to shiny/api-examples/update_slider/app-core.py
diff --git a/shiny/api-examples/update_text/app.py b/shiny/api-examples/update_text/app-core.py
similarity index 100%
rename from shiny/api-examples/update_text/app.py
rename to shiny/api-examples/update_text/app-core.py
diff --git a/shiny/api-examples/update_tooltip/app.py b/shiny/api-examples/update_tooltip/app-core.py
similarity index 100%
rename from shiny/api-examples/update_tooltip/app.py
rename to shiny/api-examples/update_tooltip/app-core.py
diff --git a/shiny/api-examples/value_box/app.py b/shiny/api-examples/value_box/app-core.py
similarity index 100%
rename from shiny/api-examples/value_box/app.py
rename to shiny/api-examples/value_box/app-core.py
diff --git a/shiny/api-examples/www_dir/app.py b/shiny/api-examples/www_dir/app-core.py
similarity index 100%
rename from shiny/api-examples/www_dir/app.py
rename to shiny/api-examples/www_dir/app-core.py

From 0fa6ea45a0ec0d778a92834f75668f13b7ee552a Mon Sep 17 00:00:00 2001
From: Gordon Shotwell <gordon.shotwell@posit.co>
Date: Fri, 26 Jan 2024 12:01:41 -0400
Subject: [PATCH 8/9] reactive.poll core updates

---
 shiny/api-examples/poll/app-core.py | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/shiny/api-examples/poll/app-core.py b/shiny/api-examples/poll/app-core.py
index c9411d28a..f6ab621b6 100644
--- a/shiny/api-examples/poll/app-core.py
+++ b/shiny/api-examples/poll/app-core.py
@@ -89,9 +89,8 @@ def stock_quotes() -> pd.DataFrame:
 # === Define the Shiny UI and server ===============================
 
 app_ui = ui.page_fluid(
-    ui.row(
-        ui.column(
-            8,
+    ui.layout_columns(
+        ui.card(
             ui.markdown(
                 """
                 # `shiny.reactive.poll` demo
@@ -100,11 +99,14 @@ def stock_quotes() -> pd.DataFrame:
                 case, an in-memory sqlite3) with the help of `shiny.reactive.poll`.
                 """
             ),
-            class_="mb-3",
+            ui.input_selectize(
+                "symbols", "Filter by symbol", [""] + SYMBOLS, multiple=True
+            ),
+            ui.output_data_frame("table"),
+            fill=False,
         ),
-    ),
-    ui.input_selectize("symbols", "Filter by symbol", [""] + SYMBOLS, multiple=True),
-    ui.output_ui("table"),
+        col_widths=[8, 4],
+    )
 )
 
 
@@ -115,13 +117,9 @@ def filtered_quotes():
             df = df[df["symbol"].isin(input.symbols())]
         return df
 
-    @render.ui
+    @render.data_frame
     def table():
-        return ui.HTML(
-            filtered_quotes().to_html(
-                index=False, classes="table font-monospace w-auto"
-            )
-        )
+        return filtered_quotes()
 
 
 app = App(app_ui, server)

From eb8ad76920b397c99739aad2f103e6204c10a3fc Mon Sep 17 00:00:00 2001
From: Garrick Aden-Buie <garrick@adenbuie.com>
Date: Fri, 26 Jan 2024 12:19:26 -0500
Subject: [PATCH 9/9] Update shiny/api-examples/Progress/app-express.py

---
 shiny/api-examples/Progress/app-express.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shiny/api-examples/Progress/app-express.py b/shiny/api-examples/Progress/app-express.py
index 465d7c740..b4bde03f6 100644
--- a/shiny/api-examples/Progress/app-express.py
+++ b/shiny/api-examples/Progress/app-express.py
@@ -3,7 +3,7 @@
 from shiny import reactive
 from shiny.express import input, render, ui
 
-ui.input_action_button("button", "Compute"),
+ui.input_action_button("button", "Compute")
 
 
 @render.text