PyCafe - Dash - Simple Permit Visualizer

app.py
requirements.txt
app.py
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from dash import Dash, html, dcc
import pandas as pd
import plotly.express as px

app = Dash(__name__)

# Load dataset
url = "https://raw.githubusercontent.com/plotly/Figure-Friday/refs/heads/main/2025/week-25/Building_Permits_Issued_Past_180_Days.csv"
df = pd.read_csv(url)

# Group and count by workclass
workclass_counts = df.groupby("workclass").size().reset_index(name="Count")

# Create bar chart
fig = px.bar(
    workclass_counts,
    x="workclass",
    y="Count",
    title="Permits Issued by Work Class",
    labels={"workclass": "Work Class", "Count": "Number of Permits"}
)

app.layout = html.Div([
    html.H2("Permits by Work Class", style={"textAlign": "center"}),
    dcc.Graph(figure=fig)
])