晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //opt/imunify360/venv/lib/python3.11/site-packages/markupsafe/_native.py
import typing as t

from . import Markup


def escape(s: t.Any) -> Markup:
    """Replace the characters ``&``, ``<``, ``>``, ``'``, and ``"`` in
    the string with HTML-safe sequences. Use this if you need to display
    text that might contain such characters in HTML.

    If the object has an ``__html__`` method, it is called and the
    return value is assumed to already be safe for HTML.

    :param s: An object to be converted to a string and escaped.
    :return: A :class:`Markup` string with the escaped text.
    """
    if hasattr(s, "__html__"):
        return Markup(s.__html__())

    return Markup(
        str(s)
        .replace("&", "&amp;")
        .replace(">", "&gt;")
        .replace("<", "&lt;")
        .replace("'", "&#39;")
        .replace('"', "&#34;")
    )


def escape_silent(s: t.Optional[t.Any]) -> Markup:
    """Like :func:`escape` but treats ``None`` as the empty string.
    Useful with optional values, as otherwise you get the string
    ``'None'`` when the value is ``None``.

    >>> escape(None)
    Markup('None')
    >>> escape_silent(None)
    Markup('')
    """
    if s is None:
        return Markup()

    return escape(s)


def soft_str(s: t.Any) -> str:
    """Convert an object to a string if it isn't already. This preserves
    a :class:`Markup` string rather than converting it back to a basic
    string, so it will still be marked as safe and won't be escaped
    again.

    >>> value = escape("<User 1>")
    >>> value
    Markup('&lt;User 1&gt;')
    >>> escape(str(value))
    Markup('&amp;lt;User 1&amp;gt;')
    >>> escape(soft_str(value))
    Markup('&lt;User 1&gt;')
    """
    if not isinstance(s, str):
        return str(s)

    return s


def soft_unicode(s: t.Any) -> str:
    import warnings

    warnings.warn(
        "'soft_unicode' has been renamed to 'soft_str'. The old name"
        " will be removed in MarkupSafe 2.1.",
        DeprecationWarning,
        stacklevel=2,
    )
    return soft_str(s)

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