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__pycache__	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
__init__.py	5.92 KB	-rw-r--r--	2025-04-08 17:01
__main__.py	8.14 KB	-rw-r--r--	2025-04-08 17:01
_cell_widths.py	9.97 KB	-rw-r--r--	2025-04-08 17:01
_emoji_codes.py	136.95 KB	-rw-r--r--	2025-04-08 17:01
_emoji_replace.py	1.04 KB	-rw-r--r--	2025-04-08 17:01
_export_format.py	2.08 KB	-rw-r--r--	2025-04-08 17:01
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_pick.py	423 B	-rw-r--r--	2025-04-08 17:01
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_stack.py	351 B	-rw-r--r--	2025-04-08 17:01
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_windows_renderer.py	2.69 KB	-rw-r--r--	2025-04-08 17:01
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abc.py	878 B	-rw-r--r--	2025-04-08 17:01
align.py	10.18 KB	-rw-r--r--	2025-04-08 17:01
ansi.py	6.76 KB	-rw-r--r--	2025-04-08 17:01
bar.py	3.19 KB	-rw-r--r--	2025-04-08 17:01
box.py	10.53 KB	-rw-r--r--	2025-04-08 17:01
cells.py	5.01 KB	-rw-r--r--	2025-04-08 17:01
color.py	17.78 KB	-rw-r--r--	2025-04-08 17:01
color_triplet.py	1.03 KB	-rw-r--r--	2025-04-08 17:01
columns.py	6.96 KB	-rw-r--r--	2025-04-08 17:01
console.py	98.14 KB	-rw-r--r--	2025-04-08 17:01
constrain.py	1.26 KB	-rw-r--r--	2025-04-08 17:01
containers.py	5.37 KB	-rw-r--r--	2025-04-08 17:01
control.py	6.45 KB	-rw-r--r--	2025-04-08 17:01
default_styles.py	8.03 KB	-rw-r--r--	2025-04-08 17:01
diagnose.py	950 B	-rw-r--r--	2025-04-08 17:01
emoji.py	2.41 KB	-rw-r--r--	2025-04-08 17:01
errors.py	642 B	-rw-r--r--	2025-04-08 17:01
file_proxy.py	1.64 KB	-rw-r--r--	2025-04-08 17:01
filesize.py	2.43 KB	-rw-r--r--	2025-04-08 17:01
highlighter.py	9.36 KB	-rw-r--r--	2025-04-08 17:01
json.py	4.9 KB	-rw-r--r--	2025-04-08 17:01
jupyter.py	3.15 KB	-rw-r--r--	2025-04-08 17:01
layout.py	13.62 KB	-rw-r--r--	2025-04-08 17:01
live.py	13.94 KB	-rw-r--r--	2025-04-08 17:01
live_render.py	3.57 KB	-rw-r--r--	2025-04-08 17:01
logging.py	12.15 KB	-rw-r--r--	2025-04-08 17:01
markdown.py	25.36 KB	-rw-r--r--	2025-04-08 17:01
markup.py	8.23 KB	-rw-r--r--	2025-04-08 17:01
measure.py	5.18 KB	-rw-r--r--	2025-04-08 17:01
padding.py	4.78 KB	-rw-r--r--	2025-04-08 17:01
pager.py	828 B	-rw-r--r--	2025-04-08 17:01
palette.py	3.21 KB	-rw-r--r--	2025-04-08 17:01
panel.py	10.96 KB	-rw-r--r--	2025-04-08 17:01
pretty.py	35.5 KB	-rw-r--r--	2025-04-08 17:01
progress.py	58.92 KB	-rw-r--r--	2025-04-08 17:01
progress_bar.py	7.97 KB	-rw-r--r--	2025-04-08 17:01
prompt.py	12.14 KB	-rw-r--r--	2025-04-08 17:01
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region.py	166 B	-rw-r--r--	2025-04-08 17:01
repr.py	4.32 KB	-rw-r--r--	2025-04-08 17:01
rule.py	4.48 KB	-rw-r--r--	2025-04-08 17:01
scope.py	2.76 KB	-rw-r--r--	2025-04-08 17:01
screen.py	1.54 KB	-rw-r--r--	2025-04-08 17:01
segment.py	24.13 KB	-rw-r--r--	2025-04-08 17:01
spinner.py	4.26 KB	-rw-r--r--	2025-04-08 17:01
status.py	4.32 KB	-rw-r--r--	2025-04-08 17:01
style.py	26.42 KB	-rw-r--r--	2025-04-08 17:01
styled.py	1.21 KB	-rw-r--r--	2025-04-08 17:01
syntax.py	34.82 KB	-rw-r--r--	2025-04-08 17:01
table.py	39.09 KB	-rw-r--r--	2025-04-08 17:01
terminal_theme.py	3.29 KB	-rw-r--r--	2025-04-08 17:01
text.py	46.43 KB	-rw-r--r--	2025-04-08 17:01
theme.py	3.68 KB	-rw-r--r--	2025-04-08 17:01
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tree.py	9.17 KB	-rw-r--r--	2025-04-08 17:01

Rename

import re
from ast import literal_eval
from operator import attrgetter
from typing import Callable, Iterable, List, Match, NamedTuple, Optional, Tuple, Union

from ._emoji_replace import _emoji_replace
from .emoji import EmojiVariant
from .errors import MarkupError
from .style import Style
from .text import Span, Text

RE_TAGS = re.compile(
    r"""((\\*)\[([a-z#/@][^[]*?)])""",
    re.VERBOSE,
)

RE_HANDLER = re.compile(r"^([\w.]*?)($.*?$)?$")

class Tag(NamedTuple):
    """A tag in console markup."""

name: str
    """The tag name. e.g. 'bold'."""
    parameters: Optional[str]
    """Any additional parameters after the name."""

def __str__(self) -> str:
        return (
            self.name if self.parameters is None else f"{self.name} {self.parameters}"
        )

@property
    def markup(self) -> str:
        """Get the string representation of this tag."""
        return (
            f"[{self.name}]"
            if self.parameters is None
            else f"[{self.name}={self.parameters}]"
        )

_ReStringMatch = Match[str]  # regex match object
_ReSubCallable = Callable[[_ReStringMatch], str]  # Callable invoked by re.sub
_EscapeSubMethod = Callable[[_ReSubCallable, str], str]  # Sub method of a compiled re

def escape(
    markup: str,
    _escape: _EscapeSubMethod = re.compile(r"(\\*)(\[[a-z#/@][^[]*?])").sub,
) -> str:
    """Escapes text so that it won't be interpreted as markup.

Args:
        markup (str): Content to be inserted in to markup.

Returns:
        str: Markup with square brackets escaped.
    """

def escape_backslashes(match: Match[str]) -> str:
        """Called by re.sub replace matches."""
        backslashes, text = match.groups()
        return f"{backslashes}{backslashes}\\{text}"

markup = _escape(escape_backslashes, markup)
    if markup.endswith("\\") and not markup.endswith("\\\\"):
        return markup + "\\"

return markup

def _parse(markup: str) -> Iterable[Tuple[int, Optional[str], Optional[Tag]]]:
    """Parse markup in to an iterable of tuples of (position, text, tag).

Args:
        markup (str): A string containing console markup

"""
    position = 0
    _divmod = divmod
    _Tag = Tag
    for match in RE_TAGS.finditer(markup):
        full_text, escapes, tag_text = match.groups()
        start, end = match.span()
        if start > position:
            yield start, markup[position:start], None
        if escapes:
            backslashes, escaped = _divmod(len(escapes), 2)
            if backslashes:
                # Literal backslashes
                yield start, "\\" * backslashes, None
                start += backslashes * 2
            if escaped:
                # Escape of tag
                yield start, full_text[len(escapes) :], None
                position = end
                continue
        text, equals, parameters = tag_text.partition("=")
        yield start, None, _Tag(text, parameters if equals else None)
        position = end
    if position < len(markup):
        yield position, markup[position:], None

def render(
    markup: str,
    style: Union[str, Style] = "",
    emoji: bool = True,
    emoji_variant: Optional[EmojiVariant] = None,
) -> Text:
    """Render console markup in to a Text instance.

Args:
        markup (str): A string containing console markup.
        style: (Union[str, Style]): The style to use.
        emoji (bool, optional): Also render emoji code. Defaults to True.
        emoji_variant (str, optional): Optional emoji variant, either "text" or "emoji". Defaults to None.

Raises:
        MarkupError: If there is a syntax error in the markup.

Returns:
        Text: A test instance.
    """
    emoji_replace = _emoji_replace
    if "[" not in markup:
        return Text(
            emoji_replace(markup, default_variant=emoji_variant) if emoji else markup,
            style=style,
        )
    text = Text(style=style)
    append = text.append
    normalize = Style.normalize

style_stack: List[Tuple[int, Tag]] = []
    pop = style_stack.pop

spans: List[Span] = []
    append_span = spans.append

_Span = Span
    _Tag = Tag

def pop_style(style_name: str) -> Tuple[int, Tag]:
        """Pop tag matching given style name."""
        for index, (_, tag) in enumerate(reversed(style_stack), 1):
            if tag.name == style_name:
                return pop(-index)
        raise KeyError(style_name)

for position, plain_text, tag in _parse(markup):
        if plain_text is not None:
            # Handle open brace escapes, where the brace is not part of a tag.
            plain_text = plain_text.replace("\\[", "[")
            append(emoji_replace(plain_text) if emoji else plain_text)
        elif tag is not None:
            if tag.name.startswith("/"):  # Closing tag
                style_name = tag.name[1:].strip()

if style_name:  # explicit close
                    style_name = normalize(style_name)
                    try:
                        start, open_tag = pop_style(style_name)
                    except KeyError:
                        raise MarkupError(
                            f"closing tag '{tag.markup}' at position {position} doesn't match any open tag"
                        ) from None
                else:  # implicit close
                    try:
                        start, open_tag = pop()
                    except IndexError:
                        raise MarkupError(
                            f"closing tag '[/]' at position {position} has nothing to close"
                        ) from None

if open_tag.name.startswith("@"):
                    if open_tag.parameters:
                        handler_name = ""
                        parameters = open_tag.parameters.strip()
                        handler_match = RE_HANDLER.match(parameters)
                        if handler_match is not None:
                            handler_name, match_parameters = handler_match.groups()
                            parameters = (
                                "()" if match_parameters is None else match_parameters
                            )

try:
                            meta_params = literal_eval(parameters)
                        except SyntaxError as error:
                            raise MarkupError(
                                f"error parsing {parameters!r} in {open_tag.parameters!r}; {error.msg}"
                            )
                        except Exception as error:
                            raise MarkupError(
                                f"error parsing {open_tag.parameters!r}; {error}"
                            ) from None

if handler_name:
                            meta_params = (
                                handler_name,
                                meta_params
                                if isinstance(meta_params, tuple)
                                else (meta_params,),
                            )

else:
                        meta_params = ()

append_span(
                        _Span(
                            start, len(text), Style(meta={open_tag.name: meta_params})
                        )
                    )
                else:
                    append_span(_Span(start, len(text), str(open_tag)))

else:  # Opening tag
                normalized_tag = _Tag(normalize(tag.name), tag.parameters)
                style_stack.append((len(text), normalized_tag))

text_length = len(text)
    while style_stack:
        start, tag = style_stack.pop()
        style = str(tag)
        if style:
            append_span(_Span(start, text_length, style))

text.spans = sorted(spans[::-1], key=attrgetter("start"))
    return text

if __name__ == "__main__":  # pragma: no cover
    MARKUP = [
        "[red]Hello World[/red]",
        "[magenta]Hello [b]World[/b]",
        "[bold]Bold[italic] bold and italic [/bold]italic[/italic]",
        "Click [link=https://www.willmcgugan.com]here[/link] to visit my Blog",
        ":warning-emoji: [bold red blink] DANGER![/]",
    ]

from rich import print
    from rich.table import Table

grid = Table("Markup", "Result", padding=(0, 1))

for markup in MARKUP:
        grid.add_row(Text(markup), markup)

print(grid)