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feat(block-kit): add data visualization block example #101

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cddda7e
feat(block-kit): add data visualization block example
zimeg Jun 27, 2026
c6d17f0
Merge remote-tracking branch 'origin/main' into feat/block-kit-data-v…
zimeg Aug 4, 2026
c7e317d
fix(data_visualization): match description to docs.slack.dev wording
zimeg Aug 5, 2026
b3003dc
chore: merge main into data visualization example
zimeg Nov 5, 2026
eec2124
fix: sync data visualization example with docs
zimeg Nov 5, 2026
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1 change: 1 addition & 0 deletions block-kit/README.md
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Expand Up @@ -15,6 +15,7 @@ Read the [docs](https://docs.slack.dev/block-kit/) to learn concepts behind thes
- **[Container](https://docs.slack.dev/reference/block-kit/blocks/container-block)**: A general-purpose wrapper for grouping child blocks together, with a configurable size. [Implementation](./src/blocks/container.py).
- **[Context](https://docs.slack.dev/reference/block-kit/blocks/context-block)**: Provides contextual info, which can include both images and text. [Implementation](./src/blocks/context.py).
- **[Context actions](https://docs.slack.dev/reference/block-kit/blocks/context-actions-block)**: Displays actions as contextual info, which can include both feedback buttons and icon buttons. [Implementation](./src/blocks/context_actions.py).
- **[Data visualization](https://docs.slack.dev/reference/block-kit/blocks/data-visualization-block)**: Displays data visually in pie, bar, area, or line chart formats. [Implementation](./src/blocks/data_visualization.py).
- **[Divider](https://docs.slack.dev/reference/block-kit/blocks/divider-block)**: Visually separates pieces of info inside of a message. [Implementation](./src/blocks/divider.py).
- **[File](https://docs.slack.dev/reference/block-kit/blocks/file-block)**: Displays info about remote files. [Implementation](./src/blocks/file.py).
- **[Header](https://docs.slack.dev/reference/block-kit/blocks/header-block)**: Displays a larger-sized text. [Implementation](./src/blocks/header.py).
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226 changes: 226 additions & 0 deletions block-kit/src/blocks/data_visualization.py
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from slack_sdk.models.blocks import DataVisualizationBlock


def example01() -> DataVisualizationBlock:
"""
Displays data visually in pie, bar, area, or line chart formats.
https://docs.slack.dev/reference/block-kit/blocks/data-visualization-block/

A sample pie chart payload.
"""
block = DataVisualizationBlock(
title="My Favorite Candy Bars",
chart={
"type": "pie",
"segments": [
{
"label": "Kit Kat",
"value": 45,
},
{
"label": "Twix",
"value": 28,
},
{
"label": "Crunch",
"value": 18,
},
{
"label": "Milky Way",
"value": 9,
},
],
},
)
return block


def example02() -> DataVisualizationBlock:
"""
A sample bar chart payload.
"""
block = DataVisualizationBlock(
title="My Favorite Pies by Percentage of Tastiness",
chart={
"type": "bar",
"series": [
{
"name": "Pies",
"data": [
{
"label": "Strawberry Rhubarb",
"value": 85,
},
{
"label": "Pumpkin",
"value": 70,
},
{
"label": "Lemon Meringue",
"value": 72,
},
{
"label": "Blueberry",
"value": 90,
},
{
"label": "Key Lime",
"value": 56,
},
],
},
],
"axis_config": {
"categories": [
"Strawberry Rhubarb",
"Pumpkin",
"Lemon Meringue",
"Blueberry",
"Key Lime",
],
"x_label": "Pies",
"y_label": "Percentage of Tastiness",
},
},
)
return block


def example03() -> DataVisualizationBlock:
"""
A sample area chart payload.
"""
block = DataVisualizationBlock(
title="Daily Active Users",
chart={
"type": "area",
"series": [
{
"name": "Pied Piper Free Tier",
"data": [
{
"label": "Mon",
"value": 12000,
},
{
"label": "Tues",
"value": 13500,
},
{
"label": "Wed",
"value": 15200,
},
{
"label": "Thurs",
"value": 14800,
},
{
"label": "Fri",
"value": 16400,
},
],
},
{
"name": "Pied Piper Paid Tier",
"data": [
{
"label": "Mon",
"value": 4500,
},
{
"label": "Tues",
"value": 4800,
},
{
"label": "Wed",
"value": 5100,
},
{
"label": "Thurs",
"value": 5600,
},
{
"label": "Fri",
"value": 6200,
},
],
},
],
"axis_config": {
"categories": ["Mon", "Tues", "Wed", "Thurs", "Fri"],
"x_label": "Day",
"y_label": "Users",
},
},
)
return block


def example04() -> DataVisualizationBlock:
"""
A sample line chart payload.
"""
block = DataVisualizationBlock(
title="Weekly Paper Sales",
chart={
"type": "line",
"series": [
{
"name": "Dunder Mifflin Infinity Website",
"data": [
{
"label": "Week 1",
"value": 32000,
},
{
"label": "Week 2",
"value": 35000,
},
{
"label": "Week 3",
"value": 29000,
},
{
"label": "Week 4",
"value": 41000,
},
{
"label": "Week 5",
"value": 45000,
},
],
},
{
"name": "Dunder Mifflin In-store",
"data": [
{
"label": "Week 1",
"value": 32000,
},
{
"label": "Week 2",
"value": 35000,
},
{
"label": "Week 3",
"value": 29000,
},
{
"label": "Week 4",
"value": 41000,
},
{
"label": "Week 5",
"value": 45000,
},
],
},
],
"axis_config": {
"categories": ["Week 1", "Week 2", "Week 3", "Week 4", "Week 5"],
"x_label": "Week",
"y_label": "Paper Sales (USD)",
},
},
)
return block
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