rich

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import json
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import io
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from time import time
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from rich.console import Console
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from rich.pretty import Pretty
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console = Console(file=io.StringIO(), color_system="truecolor", width=100)
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with open("cats.json") as fh:
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    cats = json.load(fh)
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console.begin_capture()
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start = time()
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pretty = Pretty(cats)
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console.print(pretty, overflow="ignore", crop=False)
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result = console.end_capture()
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taken = (time() - start) * 1000
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print(result)
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print(console.file.getvalue())
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print(f"{taken:.1f}")
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