From 6d7ba58f880be618ade07f8ea080fe8c4bf8a896 Mon Sep 17 00:00:00 2001
From: cyfraeviolae <cyfraeviolae>
Date: Wed, 3 Apr 2024 03:10:44 -0400
Subject: venv

---
 venv/lib/python3.11/site-packages/rich/markdown.py | 800 +++++++++++++++++++++
 1 file changed, 800 insertions(+)
 create mode 100644 venv/lib/python3.11/site-packages/rich/markdown.py

(limited to 'venv/lib/python3.11/site-packages/rich/markdown.py')

diff --git a/venv/lib/python3.11/site-packages/rich/markdown.py b/venv/lib/python3.11/site-packages/rich/markdown.py
new file mode 100644
index 0000000..9b5ceac
--- /dev/null
+++ b/venv/lib/python3.11/site-packages/rich/markdown.py
@@ -0,0 +1,800 @@
+from __future__ import annotations
+
+import sys
+from typing import ClassVar, Dict, Iterable, List, Optional, Type, Union
+
+from markdown_it import MarkdownIt
+from markdown_it.token import Token
+
+if sys.version_info >= (3, 8):
+    from typing import get_args
+else:
+    from typing_extensions import get_args  # pragma: no cover
+
+from rich.table import Table
+
+from . import box
+from ._loop import loop_first
+from ._stack import Stack
+from .console import Console, ConsoleOptions, JustifyMethod, RenderResult
+from .containers import Renderables
+from .jupyter import JupyterMixin
+from .panel import Panel
+from .rule import Rule
+from .segment import Segment
+from .style import Style, StyleStack
+from .syntax import Syntax
+from .text import Text, TextType
+
+
+class MarkdownElement:
+    new_line: ClassVar[bool] = True
+
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "MarkdownElement":
+        """Factory to create markdown element,
+
+        Args:
+            markdown (Markdown): The parent Markdown object.
+            token (Token): A node from markdown-it.
+
+        Returns:
+            MarkdownElement: A new markdown element
+        """
+        return cls()
+
+    def on_enter(self, context: "MarkdownContext") -> None:
+        """Called when the node is entered.
+
+        Args:
+            context (MarkdownContext): The markdown context.
+        """
+
+    def on_text(self, context: "MarkdownContext", text: TextType) -> None:
+        """Called when text is parsed.
+
+        Args:
+            context (MarkdownContext): The markdown context.
+        """
+
+    def on_leave(self, context: "MarkdownContext") -> None:
+        """Called when the parser leaves the element.
+
+        Args:
+            context (MarkdownContext): [description]
+        """
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        """Called when a child element is closed.
+
+        This method allows a parent element to take over rendering of its children.
+
+        Args:
+            context (MarkdownContext): The markdown context.
+            child (MarkdownElement): The child markdown element.
+
+        Returns:
+            bool: Return True to render the element, or False to not render the element.
+        """
+        return True
+
+    def __rich_console__(
+        self, console: "Console", options: "ConsoleOptions"
+    ) -> "RenderResult":
+        return ()
+
+
+class UnknownElement(MarkdownElement):
+    """An unknown element.
+
+    Hopefully there will be no unknown elements, and we will have a MarkdownElement for
+    everything in the document.
+
+    """
+
+
+class TextElement(MarkdownElement):
+    """Base class for elements that render text."""
+
+    style_name = "none"
+
+    def on_enter(self, context: "MarkdownContext") -> None:
+        self.style = context.enter_style(self.style_name)
+        self.text = Text(justify="left")
+
+    def on_text(self, context: "MarkdownContext", text: TextType) -> None:
+        self.text.append(text, context.current_style if isinstance(text, str) else None)
+
+    def on_leave(self, context: "MarkdownContext") -> None:
+        context.leave_style()
+
+
+class Paragraph(TextElement):
+    """A Paragraph."""
+
+    style_name = "markdown.paragraph"
+    justify: JustifyMethod
+
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "Paragraph":
+        return cls(justify=markdown.justify or "left")
+
+    def __init__(self, justify: JustifyMethod) -> None:
+        self.justify = justify
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        self.text.justify = self.justify
+        yield self.text
+
+
+class Heading(TextElement):
+    """A heading."""
+
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "Heading":
+        return cls(token.tag)
+
+    def on_enter(self, context: "MarkdownContext") -> None:
+        self.text = Text()
+        context.enter_style(self.style_name)
+
+    def __init__(self, tag: str) -> None:
+        self.tag = tag
+        self.style_name = f"markdown.{tag}"
+        super().__init__()
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        text = self.text
+        text.justify = "center"
+        if self.tag == "h1":
+            # Draw a border around h1s
+            yield Panel(
+                text,
+                box=box.HEAVY,
+                style="markdown.h1.border",
+            )
+        else:
+            # Styled text for h2 and beyond
+            if self.tag == "h2":
+                yield Text("")
+            yield text
+
+
+class CodeBlock(TextElement):
+    """A code block with syntax highlighting."""
+
+    style_name = "markdown.code_block"
+
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "CodeBlock":
+        node_info = token.info or ""
+        lexer_name = node_info.partition(" ")[0]
+        return cls(lexer_name or "text", markdown.code_theme)
+
+    def __init__(self, lexer_name: str, theme: str) -> None:
+        self.lexer_name = lexer_name
+        self.theme = theme
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        code = str(self.text).rstrip()
+        syntax = Syntax(
+            code, self.lexer_name, theme=self.theme, word_wrap=True, padding=1
+        )
+        yield syntax
+
+
+class BlockQuote(TextElement):
+    """A block quote."""
+
+    style_name = "markdown.block_quote"
+
+    def __init__(self) -> None:
+        self.elements: Renderables = Renderables()
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        self.elements.append(child)
+        return False
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        render_options = options.update(width=options.max_width - 4)
+        lines = console.render_lines(self.elements, render_options, style=self.style)
+        style = self.style
+        new_line = Segment("\n")
+        padding = Segment("▌ ", style)
+        for line in lines:
+            yield padding
+            yield from line
+            yield new_line
+
+
+class HorizontalRule(MarkdownElement):
+    """A horizontal rule to divide sections."""
+
+    new_line = False
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        style = console.get_style("markdown.hr", default="none")
+        yield Rule(style=style)
+
+
+class TableElement(MarkdownElement):
+    """MarkdownElement corresponding to `table_open`."""
+
+    def __init__(self) -> None:
+        self.header: TableHeaderElement | None = None
+        self.body: TableBodyElement | None = None
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        if isinstance(child, TableHeaderElement):
+            self.header = child
+        elif isinstance(child, TableBodyElement):
+            self.body = child
+        else:
+            raise RuntimeError("Couldn't process markdown table.")
+        return False
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        table = Table(box=box.SIMPLE_HEAVY)
+
+        if self.header is not None and self.header.row is not None:
+            for column in self.header.row.cells:
+                table.add_column(column.content)
+
+        if self.body is not None:
+            for row in self.body.rows:
+                row_content = [element.content for element in row.cells]
+                table.add_row(*row_content)
+
+        yield table
+
+
+class TableHeaderElement(MarkdownElement):
+    """MarkdownElement corresponding to `thead_open` and `thead_close`."""
+
+    def __init__(self) -> None:
+        self.row: TableRowElement | None = None
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        assert isinstance(child, TableRowElement)
+        self.row = child
+        return False
+
+
+class TableBodyElement(MarkdownElement):
+    """MarkdownElement corresponding to `tbody_open` and `tbody_close`."""
+
+    def __init__(self) -> None:
+        self.rows: list[TableRowElement] = []
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        assert isinstance(child, TableRowElement)
+        self.rows.append(child)
+        return False
+
+
+class TableRowElement(MarkdownElement):
+    """MarkdownElement corresponding to `tr_open` and `tr_close`."""
+
+    def __init__(self) -> None:
+        self.cells: List[TableDataElement] = []
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        assert isinstance(child, TableDataElement)
+        self.cells.append(child)
+        return False
+
+
+class TableDataElement(MarkdownElement):
+    """MarkdownElement corresponding to `td_open` and `td_close`
+    and `th_open` and `th_close`."""
+
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "MarkdownElement":
+        style = str(token.attrs.get("style")) or ""
+
+        justify: JustifyMethod
+        if "text-align:right" in style:
+            justify = "right"
+        elif "text-align:center" in style:
+            justify = "center"
+        elif "text-align:left" in style:
+            justify = "left"
+        else:
+            justify = "default"
+
+        assert justify in get_args(JustifyMethod)
+        return cls(justify=justify)
+
+    def __init__(self, justify: JustifyMethod) -> None:
+        self.content: Text = Text("", justify=justify)
+        self.justify = justify
+
+    def on_text(self, context: "MarkdownContext", text: TextType) -> None:
+        text = Text(text) if isinstance(text, str) else text
+        text.stylize(context.current_style)
+        self.content.append_text(text)
+
+
+class ListElement(MarkdownElement):
+    """A list element."""
+
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "ListElement":
+        return cls(token.type, int(token.attrs.get("start", 1)))
+
+    def __init__(self, list_type: str, list_start: int | None) -> None:
+        self.items: List[ListItem] = []
+        self.list_type = list_type
+        self.list_start = list_start
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        assert isinstance(child, ListItem)
+        self.items.append(child)
+        return False
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        if self.list_type == "bullet_list_open":
+            for item in self.items:
+                yield from item.render_bullet(console, options)
+        else:
+            number = 1 if self.list_start is None else self.list_start
+            last_number = number + len(self.items)
+            for index, item in enumerate(self.items):
+                yield from item.render_number(
+                    console, options, number + index, last_number
+                )
+
+
+class ListItem(TextElement):
+    """An item in a list."""
+
+    style_name = "markdown.item"
+
+    def __init__(self) -> None:
+        self.elements: Renderables = Renderables()
+
+    def on_child_close(
+        self, context: "MarkdownContext", child: "MarkdownElement"
+    ) -> bool:
+        self.elements.append(child)
+        return False
+
+    def render_bullet(self, console: Console, options: ConsoleOptions) -> RenderResult:
+        render_options = options.update(width=options.max_width - 3)
+        lines = console.render_lines(self.elements, render_options, style=self.style)
+        bullet_style = console.get_style("markdown.item.bullet", default="none")
+
+        bullet = Segment(" • ", bullet_style)
+        padding = Segment(" " * 3, bullet_style)
+        new_line = Segment("\n")
+        for first, line in loop_first(lines):
+            yield bullet if first else padding
+            yield from line
+            yield new_line
+
+    def render_number(
+        self, console: Console, options: ConsoleOptions, number: int, last_number: int
+    ) -> RenderResult:
+        number_width = len(str(last_number)) + 2
+        render_options = options.update(width=options.max_width - number_width)
+        lines = console.render_lines(self.elements, render_options, style=self.style)
+        number_style = console.get_style("markdown.item.number", default="none")
+
+        new_line = Segment("\n")
+        padding = Segment(" " * number_width, number_style)
+        numeral = Segment(f"{number}".rjust(number_width - 1) + " ", number_style)
+        for first, line in loop_first(lines):
+            yield numeral if first else padding
+            yield from line
+            yield new_line
+
+
+class Link(TextElement):
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "MarkdownElement":
+        url = token.attrs.get("href", "#")
+        return cls(token.content, str(url))
+
+    def __init__(self, text: str, href: str):
+        self.text = Text(text)
+        self.href = href
+
+
+class ImageItem(TextElement):
+    """Renders a placeholder for an image."""
+
+    new_line = False
+
+    @classmethod
+    def create(cls, markdown: "Markdown", token: Token) -> "MarkdownElement":
+        """Factory to create markdown element,
+
+        Args:
+            markdown (Markdown): The parent Markdown object.
+            token (Any): A token from markdown-it.
+
+        Returns:
+            MarkdownElement: A new markdown element
+        """
+        return cls(str(token.attrs.get("src", "")), markdown.hyperlinks)
+
+    def __init__(self, destination: str, hyperlinks: bool) -> None:
+        self.destination = destination
+        self.hyperlinks = hyperlinks
+        self.link: Optional[str] = None
+        super().__init__()
+
+    def on_enter(self, context: "MarkdownContext") -> None:
+        self.link = context.current_style.link
+        self.text = Text(justify="left")
+        super().on_enter(context)
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        link_style = Style(link=self.link or self.destination or None)
+        title = self.text or Text(self.destination.strip("/").rsplit("/", 1)[-1])
+        if self.hyperlinks:
+            title.stylize(link_style)
+        text = Text.assemble("🌆 ", title, " ", end="")
+        yield text
+
+
+class MarkdownContext:
+    """Manages the console render state."""
+
+    def __init__(
+        self,
+        console: Console,
+        options: ConsoleOptions,
+        style: Style,
+        inline_code_lexer: Optional[str] = None,
+        inline_code_theme: str = "monokai",
+    ) -> None:
+        self.console = console
+        self.options = options
+        self.style_stack: StyleStack = StyleStack(style)
+        self.stack: Stack[MarkdownElement] = Stack()
+
+        self._syntax: Optional[Syntax] = None
+        if inline_code_lexer is not None:
+            self._syntax = Syntax("", inline_code_lexer, theme=inline_code_theme)
+
+    @property
+    def current_style(self) -> Style:
+        """Current style which is the product of all styles on the stack."""
+        return self.style_stack.current
+
+    def on_text(self, text: str, node_type: str) -> None:
+        """Called when the parser visits text."""
+        if node_type in {"fence", "code_inline"} and self._syntax is not None:
+            highlight_text = self._syntax.highlight(text)
+            highlight_text.rstrip()
+            self.stack.top.on_text(
+                self, Text.assemble(highlight_text, style=self.style_stack.current)
+            )
+        else:
+            self.stack.top.on_text(self, text)
+
+    def enter_style(self, style_name: Union[str, Style]) -> Style:
+        """Enter a style context."""
+        style = self.console.get_style(style_name, default="none")
+        self.style_stack.push(style)
+        return self.current_style
+
+    def leave_style(self) -> Style:
+        """Leave a style context."""
+        style = self.style_stack.pop()
+        return style
+
+
+class Markdown(JupyterMixin):
+    """A Markdown renderable.
+
+    Args:
+        markup (str): A string containing markdown.
+        code_theme (str, optional): Pygments theme for code blocks. Defaults to "monokai".
+        justify (JustifyMethod, optional): Justify value for paragraphs. Defaults to None.
+        style (Union[str, Style], optional): Optional style to apply to markdown.
+        hyperlinks (bool, optional): Enable hyperlinks. Defaults to ``True``.
+        inline_code_lexer: (str, optional): Lexer to use if inline code highlighting is
+            enabled. Defaults to None.
+        inline_code_theme: (Optional[str], optional): Pygments theme for inline code
+            highlighting, or None for no highlighting. Defaults to None.
+    """
+
+    elements: ClassVar[Dict[str, Type[MarkdownElement]]] = {
+        "paragraph_open": Paragraph,
+        "heading_open": Heading,
+        "fence": CodeBlock,
+        "code_block": CodeBlock,
+        "blockquote_open": BlockQuote,
+        "hr": HorizontalRule,
+        "bullet_list_open": ListElement,
+        "ordered_list_open": ListElement,
+        "list_item_open": ListItem,
+        "image": ImageItem,
+        "table_open": TableElement,
+        "tbody_open": TableBodyElement,
+        "thead_open": TableHeaderElement,
+        "tr_open": TableRowElement,
+        "td_open": TableDataElement,
+        "th_open": TableDataElement,
+    }
+
+    inlines = {"em", "strong", "code", "s"}
+
+    def __init__(
+        self,
+        markup: str,
+        code_theme: str = "monokai",
+        justify: Optional[JustifyMethod] = None,
+        style: Union[str, Style] = "none",
+        hyperlinks: bool = True,
+        inline_code_lexer: Optional[str] = None,
+        inline_code_theme: Optional[str] = None,
+    ) -> None:
+        parser = MarkdownIt().enable("strikethrough").enable("table")
+        self.markup = markup
+        self.parsed = parser.parse(markup)
+        self.code_theme = code_theme
+        self.justify: Optional[JustifyMethod] = justify
+        self.style = style
+        self.hyperlinks = hyperlinks
+        self.inline_code_lexer = inline_code_lexer
+        self.inline_code_theme = inline_code_theme or code_theme
+
+    def _flatten_tokens(self, tokens: Iterable[Token]) -> Iterable[Token]:
+        """Flattens the token stream."""
+        for token in tokens:
+            is_fence = token.type == "fence"
+            is_image = token.tag == "img"
+            if token.children and not (is_image or is_fence):
+                yield from self._flatten_tokens(token.children)
+            else:
+                yield token
+
+    def __rich_console__(
+        self, console: Console, options: ConsoleOptions
+    ) -> RenderResult:
+        """Render markdown to the console."""
+        style = console.get_style(self.style, default="none")
+        options = options.update(height=None)
+        context = MarkdownContext(
+            console,
+            options,
+            style,
+            inline_code_lexer=self.inline_code_lexer,
+            inline_code_theme=self.inline_code_theme,
+        )
+        tokens = self.parsed
+        inline_style_tags = self.inlines
+        new_line = False
+        _new_line_segment = Segment.line()
+
+        for token in self._flatten_tokens(tokens):
+            node_type = token.type
+            tag = token.tag
+
+            entering = token.nesting == 1
+            exiting = token.nesting == -1
+            self_closing = token.nesting == 0
+
+            if node_type == "text":
+                context.on_text(token.content, node_type)
+            elif node_type == "hardbreak":
+                context.on_text("\n", node_type)
+            elif node_type == "softbreak":
+                context.on_text(" ", node_type)
+            elif node_type == "link_open":
+                href = str(token.attrs.get("href", ""))
+                if self.hyperlinks:
+                    link_style = console.get_style("markdown.link_url", default="none")
+                    link_style += Style(link=href)
+                    context.enter_style(link_style)
+                else:
+                    context.stack.push(Link.create(self, token))
+            elif node_type == "link_close":
+                if self.hyperlinks:
+                    context.leave_style()
+                else:
+                    element = context.stack.pop()
+                    assert isinstance(element, Link)
+                    link_style = console.get_style("markdown.link", default="none")
+                    context.enter_style(link_style)
+                    context.on_text(element.text.plain, node_type)
+                    context.leave_style()
+                    context.on_text(" (", node_type)
+                    link_url_style = console.get_style(
+                        "markdown.link_url", default="none"
+                    )
+                    context.enter_style(link_url_style)
+                    context.on_text(element.href, node_type)
+                    context.leave_style()
+                    context.on_text(")", node_type)
+            elif (
+                tag in inline_style_tags
+                and node_type != "fence"
+                and node_type != "code_block"
+            ):
+                if entering:
+                    # If it's an opening inline token e.g. strong, em, etc.
+                    # Then we move into a style context i.e. push to stack.
+                    context.enter_style(f"markdown.{tag}")
+                elif exiting:
+                    # If it's a closing inline style, then we pop the style
+                    # off of the stack, to move out of the context of it...
+                    context.leave_style()
+                else:
+                    # If it's a self-closing inline style e.g. `code_inline`
+                    context.enter_style(f"markdown.{tag}")
+                    if token.content:
+                        context.on_text(token.content, node_type)
+                    context.leave_style()
+            else:
+                # Map the markdown tag -> MarkdownElement renderable
+                element_class = self.elements.get(token.type) or UnknownElement
+                element = element_class.create(self, token)
+
+                if entering or self_closing:
+                    context.stack.push(element)
+                    element.on_enter(context)
+
+                if exiting:  # CLOSING tag
+                    element = context.stack.pop()
+
+                    should_render = not context.stack or (
+                        context.stack
+                        and context.stack.top.on_child_close(context, element)
+                    )
+
+                    if should_render:
+                        if new_line:
+                            yield _new_line_segment
+
+                        yield from console.render(element, context.options)
+                elif self_closing:  # SELF-CLOSING tags (e.g. text, code, image)
+                    context.stack.pop()
+                    text = token.content
+                    if text is not None:
+                        element.on_text(context, text)
+
+                    should_render = (
+                        not context.stack
+                        or context.stack
+                        and context.stack.top.on_child_close(context, element)
+                    )
+                    if should_render:
+                        if new_line:
+                            yield _new_line_segment
+                        yield from console.render(element, context.options)
+
+                if exiting or self_closing:
+                    element.on_leave(context)
+                    new_line = element.new_line
+
+
+if __name__ == "__main__":  # pragma: no cover
+    import argparse
+    import sys
+
+    parser = argparse.ArgumentParser(
+        description="Render Markdown to the console with Rich"
+    )
+    parser.add_argument(
+        "path",
+        metavar="PATH",
+        help="path to markdown file, or - for stdin",
+    )
+    parser.add_argument(
+        "-c",
+        "--force-color",
+        dest="force_color",
+        action="store_true",
+        default=None,
+        help="force color for non-terminals",
+    )
+    parser.add_argument(
+        "-t",
+        "--code-theme",
+        dest="code_theme",
+        default="monokai",
+        help="pygments code theme",
+    )
+    parser.add_argument(
+        "-i",
+        "--inline-code-lexer",
+        dest="inline_code_lexer",
+        default=None,
+        help="inline_code_lexer",
+    )
+    parser.add_argument(
+        "-y",
+        "--hyperlinks",
+        dest="hyperlinks",
+        action="store_true",
+        help="enable hyperlinks",
+    )
+    parser.add_argument(
+        "-w",
+        "--width",
+        type=int,
+        dest="width",
+        default=None,
+        help="width of output (default will auto-detect)",
+    )
+    parser.add_argument(
+        "-j",
+        "--justify",
+        dest="justify",
+        action="store_true",
+        help="enable full text justify",
+    )
+    parser.add_argument(
+        "-p",
+        "--page",
+        dest="page",
+        action="store_true",
+        help="use pager to scroll output",
+    )
+    args = parser.parse_args()
+
+    from rich.console import Console
+
+    if args.path == "-":
+        markdown_body = sys.stdin.read()
+    else:
+        with open(args.path, "rt", encoding="utf-8") as markdown_file:
+            markdown_body = markdown_file.read()
+
+    markdown = Markdown(
+        markdown_body,
+        justify="full" if args.justify else "left",
+        code_theme=args.code_theme,
+        hyperlinks=args.hyperlinks,
+        inline_code_lexer=args.inline_code_lexer,
+    )
+    if args.page:
+        import io
+        import pydoc
+
+        fileio = io.StringIO()
+        console = Console(
+            file=fileio, force_terminal=args.force_color, width=args.width
+        )
+        console.print(markdown)
+        pydoc.pager(fileio.getvalue())
+
+    else:
+        console = Console(
+            force_terminal=args.force_color, width=args.width, record=True
+        )
+        console.print(markdown)
-- 
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