Use explicit imports

.vscode/settings.json

@@ -25,11 +25,6 @@
         "editor.formatOnSave": true,
         "editor.defaultFormatter": "esbenp.prettier-vscode"
     },
-    "python.analysis.typeCheckingMode": "strict",
-    "python.analysis.diagnosticSeverityOverrides": {
-        "reportUnusedFunction":  "none",
-        "reportWildcardImportFromLibrary": "none"
-    },
     "python.formatting.provider": "black",
     "[python]": {
         "editor.formatOnSave": true,

examples/app_with_plot/app.py

@@ -1,4 +1,4 @@
-from shiny import *
+from shiny import App, render, ui
 
 # Import modules for plot rendering
 import numpy as np
@@ -16,7 +16,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.plot(alt="A histogram")
     def plot():

examples/basic_app/app.py

@@ -1,17 +1,16 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_slider("n", "N", 0, 100, 20),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():
         return f"n*2 is {input.n() * 2}"
 
 
-# The debug=True causes it to print messages to the console.
-app = App(app_ui, server, debug=True)
+app = App(app_ui, server)

examples/camera/app.py

@@ -6,13 +6,13 @@
 # it may not work properly on all phones. However, the camera input part should still
 # work on most phones.
 
-from shiny import *
-from shiny.types import FileInfo, SilentException, ImgData
-
-import skimage
 import numpy as np
+import skimage
 from PIL import Image, ImageOps
 
+from shiny import App, render, ui
+from shiny.types import FileInfo, ImgData, SilentException
+
 app_ui = ui.page_fluid(
     ui.input_file(
         "file",
@@ -27,7 +27,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.image
     async def image() -> ImgData:

examples/extra_packages/app.py

@@ -1,4 +1,4 @@
-from shiny import *
+from shiny import App, ui
 
 import isodate
 import attrs

examples/fetch/app.py

@@ -15,9 +15,9 @@
 # download.py file for a wrapper function that can be used to make requests in both
 # regular Python and Pyodide. (Note that the function isn't actually used in this app.)
 
-from shiny import *
-import pyodide.http
 from pprint import pformat
+import pyodide.http
+from shiny import App, reactive, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_selectize(
@@ -56,7 +56,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     # Weather data API: https://github.com/robertoduessmann/weather-api
     @reactive.Calc
     def url():

examples/file_download/app.py

@@ -1,21 +1,20 @@
 import asyncio
-from pathlib import Path
 import io
 from datetime import date
-
-from shiny import *
-from htmltools import *
+from pathlib import Path
 
 import matplotlib.pyplot as plt
 import numpy as np
+from shiny import App, ui
+
 
 # A card component wrapper.
 def ui_card(title, *args):
     return (
-        div(
+        ui.div(
             {"class": "card mb-4"},
-            div(title, class_="card-header"),
-            div({"class": "card-body"}, *args),
+            ui.div(title, class_="card-header"),
+            ui.div({"class": "card-body"}, *args),
         ),
     )
 
@@ -38,7 +37,7 @@ def ui_card(title, *args):
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @session.download()
     def download1():
         # This is the simplest case. The implementation simply returns the path to a

examples/file_upload/app.py

@@ -1,6 +1,6 @@
-from math import ceil
-from shiny import *
 import mimetypes
+from math import ceil
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_file("file1", "Choose a file to upload:", multiple=True),
@@ -9,7 +9,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     MAX_SIZE = 50000
 
     @output

examples/input_checkbox/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_checkbox("x", "Checkbox input"),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_checkbox_group/app.py

@@ -1,4 +1,4 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_checkbox_group(
@@ -8,7 +8,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_date/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_date("x", "Date input"),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_date_range/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_date_range("x", "Date range input"),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_numeric/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_numeric("x", "Number input", value=100),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_password/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_password("x", "Password input", placeholder="Enter password"),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_radio/app.py

@@ -1,4 +1,4 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_radio_buttons(
@@ -8,7 +8,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_select/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_select("x", "Select input", {"a": "Choice A", "b": "Choice B"}),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_slider/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_slider("x", "Slider input", min=0, max=20, value=10),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_text/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_text("x", "Text input", placeholder="Enter text"),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_text_area/app.py

@@ -1,12 +1,12 @@
-from shiny import *
+from shiny import App, render, ui
 
 app_ui = ui.page_fluid(
     ui.input_text_area("x", "Text area input", placeholder="Enter text"),
     ui.output_text_verbatim("txt"),
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @output
     @render.text
     def txt():

examples/input_update/app.py

@@ -1,6 +1,6 @@
 from datetime import date
 
-from shiny import *
+from shiny import App, reactive, ui
 from shiny.ui import tags, h2
 
 app_ui = ui.page_fluid(
@@ -88,7 +88,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @reactive.Effect
     def _():
         # We'll use these multiple times, so use short var names for

examples/insert_ui/app.py

@@ -1,14 +1,13 @@
-from shiny import *
-from htmltools import *
+from shiny import App, reactive, render, ui
 
 # For plot rendering
-import numpy as np
 import matplotlib.pyplot as plt
+import numpy as np
 
 app_ui = ui.page_fluid(
     ui.layout_sidebar(
         ui.panel_sidebar(
-            h2("Dynamic UI"),
+            ui.h2("Dynamic UI"),
             ui.output_ui("ui"),
             ui.input_action_button("btn", "Trigger insert/remove ui"),
         ),
@@ -20,7 +19,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     @reactive.Calc
     def r():
         return input.n() * 2
@@ -51,7 +50,7 @@ def _():
     def _():
         btn = input.btn()
         if btn % 2 == 1:
-            ui.insert_ui(tags.p("Thanks for clicking!", id="thanks"), "body")
+            ui.insert_ui(ui.tags.p("Thanks for clicking!", id="thanks"), "body")
         elif btn > 0:
             ui.remove_ui("#thanks")
 

examples/ipyleaflet/app.py

@@ -1,7 +1,8 @@
-import ipyleaflet as L
 from htmltools import css
+from shiny import App, reactive, render, ui
 from shinywidgets import output_widget, reactive_read, register_widget
-from shiny import App, Inputs, Outputs, Session, reactive, render, ui
+
+import ipyleaflet as L
 
 app_ui = ui.page_fluid(
     ui.div(
@@ -15,7 +16,7 @@
 )
 
 
-def server(input: Inputs, output: Outputs, session: Session):
+def server(input, output, session):
     # Initialize and display when the session starts (1)
     map = L.Map(center=(51.476852, -0.000500), zoom=12, scroll_wheel_zoom=True)
     # Add a distance scale