Merge branch 'hbl_add_basic' into 'main'

add basic apps

See merge request insertnamehere/shiny/shiny-for-python-getting-started!3

Author: blumheoda

basic_app/README.md

@@ -1,10 +1,58 @@
-from shiny import render, ui
+import datetime
+import pandas as pd
+import plotly.graph_objects as go
+import requests
+
+from shiny import render, ui, reactive
 from shiny.express import input
+from shinywidgets import render_widget
+
+
+ui.panel_title("Weather App")
+ui.input_numeric("lat",
+                 "Latitude",
+                 value = 51.3167)
+ui.input_numeric("lon",
+                 "Longitude",
+                 value = 9.5)
 
-ui.panel_title("Hello Shiny!")
-ui.input_slider("n", "N", 0, 100, 20)
+@reactive.Calc
+def weather_dat():
+    url = f"https://api.open-meteo.com/v1/forecast?latitude=%s&longitude=%s&hourly=temperature_2m,rain&past_days=3" %(input.lat(), input.lon())
+    response = requests.get(url)
+    data = response.json()["hourly"]
+    df = pd.DataFrame(data)
+    return df
 
+@render_widget
+def plot():
+    df = weather_dat()
+    fig = go.Figure()
+    fig.add_trace(go.Scatter(x=df['time'], y=df['temperature_2m'], mode='lines', name='Temperature'))
+    fig.add_trace(go.Bar(x=df['time'], y=df['rain'], name='Rain', yaxis='y2'))
+    fig.add_vline(x = datetime.datetime.today())
+    fig.update_layout(
+        xaxis_title='Date',
+        yaxis_title='Temperature (°C)',
+        yaxis2=dict(
+            title='Rain (mm)',
+            overlaying='y',
+            side='right'
+        ),
+        showlegend = False
+    )
+    return fig
 
-@render.text
-def txt():
-    return f"n*2 is {input.n() * 2}"
+@render.table(index= True)
+def table():
+    df = weather_dat()
+    df['time'] = pd.to_datetime(df['time'])
+    df.set_index('time', inplace=True)
+    daily_summary = df.resample('D').agg({
+        'temperature_2m': ['min', 'max'],
+        'rain': 'sum'
+    })
+    daily_summary = daily_summary.T
+    daily_summary.index = ['min. T (°C)', 'max. T (°C)', 'Rain (mm)']
+    daily_summary.columns = [col.strftime('%d.%m') for col in daily_summary.columns]
+    return daily_summary

basic_app/app.py

@@ -0,0 +1,6 @@
+def main():
+    print("Hello from basic-app!")
+
+
+if __name__ == "__main__":
+    main()

basic_app/hello.py

@@ -0,0 +1,14 @@
+[project]
+name = "basic-app"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.9"
+dependencies = [
+    "jinja2>=3.1.5",
+    "pandas>=2.2.3",
+    "plotly>=6.0.0",
+    "requests>=2.32.3",
+    "shiny>=1.2.1",
+    "shinywidgets>=0.5.1",
+]

basic_app/pyproject.toml

@@ -1,16 +1,69 @@
-from shiny import App, render, ui
+import datetime
+import pandas as pd
+import plotly.graph_objects as go
+import requests
 
-app_ui = ui.page_fluid(
-    ui.panel_title("Hello Shiny!"),
-    ui.input_slider("n", "N", 0, 100, 20),
-    ui.output_text_verbatim("txt"),
+from shiny import App, render, ui, reactive
+from shinywidgets import render_widget, output_widget
+
+app_ui = ui.page_sidebar(
+    ui.sidebar(
+        ui.input_numeric("lat",
+                         "Latitude",
+                         value = 51.3167),
+        ui.input_numeric("lon",
+                         "Longitude",
+                         value = 9.5)                 
+    ),
+    output_widget("plot"),
+    ui.output_table("table"),
+    title = "Weather App"
 )
 
 
 def server(input, output, session):
-    @render.text
-    def txt():
-        return f"n*2 is {input.n() * 2}"
+    @reactive.Calc
+    def weather_dat():
+        url = f"https://api.open-meteo.com/v1/forecast?latitude=%s&longitude=%s&hourly=temperature_2m,rain&past_days=3" %(input.lat(), input.lon())
+        response = requests.get(url)
+        data = response.json()["hourly"]
+        df = pd.DataFrame(data)
+        return df
+
+    @render_widget
+    def plot():
+        df = weather_dat()
+        fig = go.Figure()
+        fig.add_trace(go.Scatter(x=df['time'], y=df['temperature_2m'], mode='lines', name='Temperature'))
+        fig.add_trace(go.Bar(x=df['time'], y=df['rain'], name='Rain', yaxis='y2'))
+        fig.add_vline(x = datetime.datetime.today())
+        fig.update_layout(
+            xaxis_title='Date',
+            yaxis_title='Temperature (°C)',
+            yaxis2=dict(
+                title='Rain (mm)',
+                overlaying='y',
+                side='right'
+            ),
+            showlegend = False
+        )
+        return fig
+
+    @render.table(index= True)
+    def table():
+        df = weather_dat()
+        df['time'] = pd.to_datetime(df['time'])
+        df.set_index('time', inplace=True)
+        daily_summary = df.resample('D').agg({
+            'temperature_2m': ['min', 'max'],
+            'rain': 'sum'
+        })
+        daily_summary = daily_summary.T
+        daily_summary.index = ['min. T (°C)', 'max. T (°C)', 'Rain (mm)']
+        daily_summary.columns = [col.strftime('%d.%m') for col in daily_summary.columns]
+        return daily_summary
+
+   
 
 
 app = App(app_ui, server)

basic_app_core/app.py

@@ -0,0 +1,6 @@
+def main():
+    print("Hello from basic-app-core!")
+
+
+if __name__ == "__main__":
+    main()

basic_app_core/hello.py

@@ -0,0 +1,14 @@
+[project]
+name = "basic-app-core"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.9"
+dependencies = [
+    "jinja2>=3.1.5",
+    "pandas>=2.2.3",
+    "plotly>=6.0.0",
+    "requests>=2.32.3",
+    "shiny>=1.2.1",
+    "shinywidgets>=0.5.1",
+]

basic_app_core/pyproject.toml

@@ -11,4 +11,4 @@ dependencies = [
 ]
 
 [tool.uv.workspace]
-members = ["routes_example_app", "shinylive_quarto", "shinylive_without_quarto", "app_from_gh_template"]
+members = ["routes_example_app", "shinylive_quarto", "shinylive_without_quarto", "app_from_gh_template", "basic_app", "basic_app_core"]