66 lines
1.7 KiB
Python
66 lines
1.7 KiB
Python
import csv
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import io
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from rich.table import Table
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from rich.syntax import Syntax
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from textual.app import App, ComposeResult
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from textual import events
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from textual.widgets import TextLog
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CSV = """lane,swimmer,country,time
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4,Joseph Schooling,Singapore,50.39
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2,Michael Phelps,United States,51.14
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5,Chad le Clos,South Africa,51.14
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6,László Cseh,Hungary,51.14
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3,Li Zhuhao,China,51.26
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8,Mehdy Metella,France,51.58
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7,Tom Shields,United States,51.73
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1,Aleksandr Sadovnikov,Russia,51.84"""
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CODE = '''\
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def loop_first_last(values: Iterable[T]) -> Iterable[tuple[bool, bool, T]]:
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"""Iterate and generate a tuple with a flag for first and last value."""
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iter_values = iter(values)
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try:
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previous_value = next(iter_values)
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except StopIteration:
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return
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first = True
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for value in iter_values:
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yield first, False, previous_value
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first = False
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previous_value = value
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yield first, True, previous_value\
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'''
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class TextLogApp(App):
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def compose(self) -> ComposeResult:
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yield TextLog(highlight=True, markup=True)
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def on_ready(self) -> None:
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"""Called when the DOM is ready."""
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text_log = self.query_one(TextLog)
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text_log.write(Syntax(CODE, "python", indent_guides=True))
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rows = iter(csv.reader(io.StringIO(CSV)))
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table = Table(*next(rows))
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for row in rows:
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table.add_row(*row)
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text_log.write(table)
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text_log.write("[bold magenta]Write text or any Rich renderable!")
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def on_key(self, event: events.Key) -> None:
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"""Write Key events to log."""
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text_log = self.query_one(TextLog)
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text_log.write(event)
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if __name__ == "__main__":
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app = TextLogApp()
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app.run()
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