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Add sparkline widget. (#2631)

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* Sparkline widget proof of concept.

* Address review comment.

Related comments: https://github.com/Textualize/textual/pull/2631\#discussion_r1202894414

* Blend background colours.

* Add widget sparkline.

* Add snapshot tests.

* Add documentation.

* Update roadmap.

* Address review feedback.

Relevant comments: https://github.com/Textualize/textual/pull/2631\#discussion_r1210394532, https://github.com/Textualize/textual/pull/2631\#discussion_r1210442013

* Improve docs.

Relevant comments: https://github.com/Textualize/textual/pull/2631\#issuecomment-1568529074

* Update snapshot app titles.

* Don't init summary function with None

Related comments: https://github.com/Textualize/textual/pull/2631\#discussion_r1211666076

* Apply suggestions from code review

Co-authored-by: Dave Pearson <davep@davep.org>

* Improve wording.

* Improve wording.

* Simplify example.

---------

Co-authored-by: Dave Pearson <davep@davep.org>
This commit is contained in:
Rodrigo Girão Serrão
2023-06-01 09:34:33 +01:00
committed by GitHub
parent 7049014faa
commit 78db024c01
16 changed files with 918 additions and 3 deletions
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22
docs/examples/widgets/sparkline.py Normal file
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import random
from statistics import mean
from textual.app import App, ComposeResult
from textual.widgets._sparkline import Sparkline
random.seed(73)
data = [random.expovariate(1 / 3) for _ in range(1000)]
class SparklineSummaryFunctionApp(App[None]):
CSS_PATH = "sparkline.css"
def compose(self) -> ComposeResult:
yield Sparkline(data, summary_function=max) # (1)!
yield Sparkline(data, summary_function=mean) # (2)!
yield Sparkline(data, summary_function=min) # (3)!
app = SparklineSummaryFunctionApp()
if __name__ == "__main__":
app.run()