Create Leaderboard

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Tags: #plotly #chart #horizontalbar #dataviz #snippet
Author: Florent Ravenel​
Learn more on the Plotly doc : https://plotly.com/python/horizontal-bar-charts/
Input
Import libraries
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import plotly.express as px
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import pandas as pd
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Variables
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title = "Leaderboard"
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​
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# Output paths
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output_image = f"{title}.png"
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output_html = f"{title}.html"
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Model
Get data model
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data = [
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    {"LABEL": "A", "VALUE": 88},
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    {"LABEL": "B", "VALUE": 12},
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    {"LABEL": "C", "VALUE": 43},
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    {"LABEL": "D", "VALUE": 43},
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    {"LABEL": "E", "VALUE": 2},
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    {"LABEL": "F", "VALUE": 87},
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    {"LABEL": "G", "VALUE": 67},
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    {"LABEL": "H", "VALUE": 111},
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    {"LABEL": "I", "VALUE": 24},
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    {"LABEL": "J", "VALUE": 123},
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]
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df = pd.DataFrame(data)
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df = df.sort_values(by=["VALUE"], ascending=True) #Order will be reversed in plot 
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df
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Create the plot
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def create_barchart(df, label, value):
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    last_value = '{:,.0f}'.format(df[value].sum())
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    fig = px.bar(df,
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                 y=label,
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                 x=value,
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                 orientation='h',
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                 text=value)
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    fig.update_layout(
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        title=f"<b>Ranking by label</b><br><span style='font-size: 13px;'>Total value: {last_value}</span>",
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        title_font=dict(family="Arial", size=18, color="black"),
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        legend_title="Packs",
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        legend_title_font=dict(family="Arial", size=11, color="black"),
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        legend_font=dict(family="Arial", size=10, color="black"),
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        font=dict(family="Arial", size=12, color="black"),
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        plot_bgcolor="#ffffff",
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        width=1200,
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        height=800,
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        xaxis_title=None,
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        xaxis_showticklabels=False,
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        yaxis_title=None,
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        margin_pad=10,
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        margin_t=100,
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    )
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    # Display fig        
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    config = {'displayModeBar': False}
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    fig.show(config=config)
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    return fig
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​
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fig = create_barchart(df, "LABEL", "VALUE")
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Output
Export in PNG and HTML
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fig.write_image(output_image, width=1200)
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fig.write_html(output_html)
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Generate shareable assets
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link_image = naas.asset.add(output_image)
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link_html = naas.asset.add(output_html, {"inline":True})
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​
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#-> Uncomment the line below to remove your assets
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# naas.asset.delete(output_image)
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# naas.asset.delete(output_html)
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Input

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