mirror of https://github.com/Textualize/rich.git
simplify live demo example
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Nathan Page
parent
4ac0cb8990
commit
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@ -101,7 +101,6 @@ You should set this to something lower than 4 if you know your updates will not
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You might want to disable auto-refresh entirely if your updates are not very frequent, which you can do by setting ``auto_refresh=False`` on the constructor.
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If you disable auto-refresh you will need to call :meth:`~rich.live.Live.refresh` manually or :meth:`~rich.live.Live.update` with ``refresh=True``.
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This is
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Hide "Terminal Too Small" Warning
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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164
rich/live.py
164
rich/live.py
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@ -243,103 +243,105 @@ class Live(JupyterMixin, RenderHook):
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if __name__ == "__main__":
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import random
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import time
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from itertools import cycle
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from typing import Dict, List, Tuple
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from .console import Console, RenderGroup
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from .console import Console
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from .live import Live
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from .panel import Panel
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from .rule import Rule
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from .syntax import Syntax
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from .table import Table
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from .text import Text
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console = Console()
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def table_example() -> None:
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Data = List[List[int]]
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syntax = Syntax(
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'''def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
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"""Iterate and generate a tuple with a flag for 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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for value in iter_values:
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yield False, previous_value
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previous_value = value
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yield True, previous_value''',
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"python",
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line_numbers=True,
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)
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def generate_table(data: Data) -> Table:
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table = Table()
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for data_row in data:
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table.add_row(*[hex(data_cell) for data_cell in data_row])
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table = Table("foo", "bar", "baz")
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table.add_row("1", "2", "3")
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return table
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progress_renderables = [
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"You can make the terminal shorter and taller to see the live table hide"
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"Text may be printed while the progress bars are rendering.",
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Panel("In fact, [i]any[/i] renderable will work"),
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"Such as [magenta]tables[/]...",
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table,
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"Pretty printed structures...",
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{"type": "example", "text": "Pretty printed"},
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"Syntax...",
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syntax,
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Rule("Give it a try!"),
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]
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def generate_data() -> Data:
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return [
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[random.randint(0, 20) for _ in range(random.randint(0, 8))]
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for _ in range(random.randint(12, 20))
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]
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examples = cycle(progress_renderables)
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with Live(console=console, refresh_per_second=1, transient=True) as live_table:
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for _ in range(20):
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data = generate_data()
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time.sleep(0.5)
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console.print("hello")
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live_table.update(generate_table(data))
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exchanges = [
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"SGD",
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"MYR",
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"EUR",
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"USD",
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"AUD",
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"JPY",
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"CNH",
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"HKD",
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"CAD",
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"INR",
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"DKK",
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"GBP",
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"RUB",
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"NZD",
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"MXN",
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"IDR",
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"TWD",
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"THB",
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"VND",
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]
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with Live(console=console) as live_table:
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exchange_rate_dict: Dict[Tuple[str, str], float] = {}
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def panel_example() -> None:
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for index in range(100):
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select_exchange = exchanges[index % len(exchanges)]
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with Live(auto_refresh=False) as live_panel:
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for index in range(20):
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panel = Panel(f"Hello, [red]World! {index}\n" * index, title="Welcome")
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live_panel.update(panel, refresh=True)
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time.sleep(0.2)
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for exchange in exchanges:
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if exchange == select_exchange:
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continue
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time.sleep(0.4)
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if random.randint(0, 10) < 1:
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console.log(next(examples))
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exchange_rate_dict[(select_exchange, exchange)] = 200 / (
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(random.random() * 320) + 1
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)
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if len(exchange_rate_dict) > len(exchanges) - 1:
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exchange_rate_dict.pop(list(exchange_rate_dict.keys())[0])
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table = Table(title="Exchange Rates")
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def table_example2() -> None:
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exchanges = [
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"SGD",
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"MYR",
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"EUR",
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"USD",
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"AUD",
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"JPY",
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"CNH",
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"HKD",
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"CAD",
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"INR",
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"DKK",
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"GBP",
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"RUB",
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"NZD",
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"MXN",
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"IDR",
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"TWD",
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"THB",
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"VND",
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]
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with Live(console=console) as live_table:
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exchange_rate_dict: Dict[Tuple[str, str], float] = {}
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table.add_column("Source Currency")
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table.add_column("Destination Currency")
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table.add_column("Exchange Rate")
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for index in range(100):
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select_exchange = exchanges[index % len(exchanges)]
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time.sleep(0.1)
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console.log("can still log")
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for exchange in exchanges:
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if exchange == select_exchange:
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continue
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exchange_rate_dict[(select_exchange, exchange)] = 20 / (
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(random.random() * 40) + 1
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for ((soure, dest), exchange_rate) in exchange_rate_dict.items():
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table.add_row(
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soure,
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dest,
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Text(
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f"{exchange_rate:.4f}",
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style="red" if exchange_rate < 1.0 else "green",
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),
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)
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if len(exchange_rate_dict) > len(exchanges) - 1:
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exchange_rate_dict.pop(list(exchange_rate_dict.keys())[0])
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table = Table(title="Exchange Rates")
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table.add_column("Source Currency")
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table.add_column("Destination Currency")
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table.add_column("Exchange Rate")
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for ((soure, dest), exchange_rate) in exchange_rate_dict.items():
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table.add_row(
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soure,
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dest,
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Text(
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f"{exchange_rate:.4f}",
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style="red" if exchange_rate < 1.0 else "green",
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),
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)
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live_table.update(table)
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table_example()
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table_example2()
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panel_example()
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live_table.update(table)
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