Python rich: Console 출력 색깔, 꾸미기

rich

rich

 

 

1. 소개

rich-console은 python으로 powershell이나 cmd 출력 창을 꾸미는 라이브러리이다.

 

설치

pip install rich

 

2. 예제

API 문서 링크: @링크

 

dictionary, 함수 local value 출력

from rich.console import Console

data = [
    {
        "jsonrpc": "2.0",
        "method": "sum",
        "params": [None, 1, 2, 4, False, True],
        "id": "1",
    },
    {"jsonrpc": "2.0", "method": "notify_hello", "params": [7]},
    {"jsonrpc": "2.0", "method": "subtract", "params": [42, 23], "id": "2"},
]

console = Console()


def log():
    enabled = False
    context = {
        "foo": "bar",
    }
    movies = ["Deadpool", "Rise of the Skywalker"]
    console.log("Hello from", console, "!")
    console.log(data, log_locals=True)


log()

 

기본 print 대체

from bigO import BigO
from rich import print


dic = {
    "USER": "ikr",
    "TEXT": "I found a :beer:, where I can copy my items over and over.",
}

print(dic)
print(f"My array: [bold magenta]{BigO.genRandomString(10)}[/bold magenta]")
print("NAVER: [blue underline]https://www.naver.com/")

 

테이블

from rich.console import Console
from rich.table import Table

console = Console()

table = Table(show_header=True, header_style="bold magenta")
table.add_column("Date", style="dim", width=12)
table.add_column("Title")
table.add_column("Production Budget", justify="right")
table.add_column("Box Office", justify="right")
table.add_row(
    "Dev 20, 2019", "Star Wars: The Rise of Skywalker", "$275,000,000", "$375,126,118"
)
table.add_row(
    "May 25, 2018",
    "[red]Solo[/red]: A Star Wars Story",
    "$275,000,000",
    "$393,151,347",
)
table.add_row(
    "Dec 15, 2017",
    "Star Wars Ep. VIII: The Last Jedi",
    "$262,000,000",
    "[bold]$1,332,539,889[/bold]",
)

console.print(table)

 

MD 파일 출력

from rich.console import Console
from rich.markdown import Markdown

console = Console()

with open('RICH-MARKDOWN.md') as readme:
    markdown = Markdown(readme.read())

console.print(markdown)

다운로드 진행 바

"""
A rudimentary URL downloader (like wget or curl) to demonstrate Rich progress bars.
"""

from concurrent.futures import ThreadPoolExecutor
from functools import partial
import os.path
import sys
from typing import Iterable
from urllib.request import urlopen

from rich.progress import (
    BarColumn,
    DownloadColumn,
    TextColumn,
    TransferSpeedColumn,
    TimeRemainingColumn,
    Progress,
    TaskID,
)


progress = Progress(
    TextColumn("[bold blue]{task.fields[filename]}", justify="right"),
    BarColumn(bar_width=None),
    "[progress.percentage]{task.percentage:>3.1f}%",
    "•",
    DownloadColumn(),
    "•",
    TransferSpeedColumn(),
    "•",
    TimeRemainingColumn(),
)


def copy_url(task_id: TaskID, url: str, path: str) -> None:
    """Copy data from a url to a local file."""
    response = urlopen(url)
    # This will break if the response doesn't contain content length
    progress.update(task_id, total=int(response.info()["Content-length"]))
    with open(path, "wb") as dest_file:
        progress.start_task(task_id)
        for data in iter(partial(response.read, 32768), b""):
            dest_file.write(data)
            progress.update(task_id, advance=len(data))


def download(urls: Iterable[str], dest_dir: str):
    """Download multuple files to the given directory."""
    with progress:
        with ThreadPoolExecutor(max_workers=4) as pool:
            for url in urls:
                filename = url.split("/")[-1]
                dest_path = os.path.join(dest_dir, filename)
                task_id = progress.add_task("download", filename=filename, start=False)
                pool.submit(copy_url, task_id, url, dest_path)


if __name__ == "__main__":
    # Try with https://releases.ubuntu.com/20.04/ubuntu-20.04-desktop-amd64.iso
    if sys.argv[1:]:
        download(sys.argv[1:], "./")
    else:
        print("Usage:\n\tpython downloader.py URL1 URL2 URL3 (etc)")

 

Syntax Highlighter

from rich.console import Console
from rich.syntax import Syntax

my_code = '''
def iter_first_last(values: Iterable[T]) -> Iterable[Tuple[bool, bool, T]]:
    """Iterate and generate a tuple with a flag for first and last value."""
    iter_values = iter(values)
    try:
        previous_value = next(iter_values)
    except StopIteration:
        return
    first = True
    for value in iter_values:
        yield first, False, previous_value
        first = False
        previous_value = value
    yield first, True, previous_value
'''
syntax = Syntax(my_code, "python", theme="monokai", line_numbers=True)
console = Console()
console.print(syntax)