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import csv
import io
from textual.app import App, ComposeResult
from textual_fastdatatable import ArrowBackend, DataTable
CSV = """lane,swimmer,country,time
4,Joseph Schooling,Singapore,50.39
2,Michael Phelps,United States,51.14
5,Chad le Clos,South Africa,51.14
6,László Cseh,Hungary,51.14
3,Li Zhuhao,China,51.26
8,Mehdy Metella,France,51.58
7,Tom Shields,United States,51.73
1,Aleksandr Sadovnikov,Russia,51.84"""
class TableApp(App):
def compose(self) -> ComposeResult:
rows = csv.reader(io.StringIO(CSV))
labels = next(rows)
data = [row for row in rows]
backend = ArrowBackend.from_pydict(
{label: [row[i] for row in data] for i, label in enumerate(labels)}
)
table = DataTable(
backend=backend, cursor_type="range", max_column_content_width=8
)
table.focus()
yield table
if __name__ == "__main__":
app = TableApp()
app.run()
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