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  #   ˆl–ß=¿JÅ2Ž¥@µp\ÊbÑ¿Àƒx¹¿ÃÂ d    import html.entities
from typing import Dict, List, Optional

from . import config

unifiable_n = {
    html.entities.name2codepoint[k]: v
    for k, v in config.UNIFIABLE.items()
    if k != "nbsp"
}


def hn(tag: str) -> int:
    if tag[0] == "h" and len(tag) == 2:
        n = tag[1]
        if "0" < n <= "9":
            return int(n)
    return 0


def dumb_property_dict(style: str) -> Dict[str, str]:
    """
    :returns: A hash of css attributes
    """
    return {
        x.strip().lower(): y.strip().lower()
        for x, y in [z.split(":", 1) for z in style.split(";") if ":" in z]
    }


def dumb_css_parser(data: str) -> Dict[str, Dict[str, str]]:
    """
    :type data: str

    :returns: A hash of css selectors, each of which contains a hash of
    css attributes.
    :rtype: dict
    """
    # remove @import sentences
    data += ";"
    importIndex = data.find("@import")
    while importIndex != -1:
        data = data[0:importIndex] + data[data.find(";", importIndex) + 1 :]
        importIndex = data.find("@import")

    # parse the css. reverted from dictionary comprehension in order to
    # support older pythons
    pairs = [x.split("{") for x in data.split("}") if "{" in x.strip()]
    try:
        elements = {a.strip(): dumb_property_dict(b) for a, b in pairs}
    except ValueError:
        elements = {}  # not that important

    return elements


def element_style(
    attrs: Dict[str, Optional[str]],
    style_def: Dict[str, Dict[str, str]],
    parent_style: Dict[str, str],
) -> Dict[str, str]:
    """
    :type attrs: dict
    :type style_def: dict
    :type style_def: dict

    :returns: A hash of the 'final' style attributes of the element
    :rtype: dict
    """
    style = parent_style.copy()
    if "class" in attrs:
        assert attrs["class"] is not None
        for css_class in attrs["class"].split():
            css_style = style_def.get("." + css_class, {})
            style.update(css_style)
    if "style" in attrs:
        assert attrs["style"] is not None
        immediate_style = dumb_property_dict(attrs["style"])
        style.update(immediate_style)

    return style


def google_list_style(style: Dict[str, str]) -> str:
    """
    Finds out whether this is an ordered or unordered list

    :type style: dict

    :rtype: str
    """
    if "list-style-type" in style:
        list_style = style["list-style-type"]
        if list_style in ["disc", "circle", "square", "none"]:
            return "ul"

    return "ol"


def google_has_height(style: Dict[str, str]) -> bool:
    """
    Check if the style of the element has the 'height' attribute
    explicitly defined

    :type style: dict

    :rtype: bool
    """
    return "height" in style


def google_text_emphasis(style: Dict[str, str]) -> List[str]:
    """
    :type style: dict

    :returns: A list of all emphasis modifiers of the element
    :rtype: list
    """
    emphasis = []
    if "text-decoration" in style:
        emphasis.append(style["text-decoration"])
    if "font-style" in style:
        emphasis.append(style["font-style"])
    if "font-weight" in style:
        emphasis.append(style["font-weight"])

    return emphasis


def google_fixed_width_font(style: Dict[str, str]) -> bool:
    """
    Check if the css of the current element defines a fixed width font

    :type style: dict

    :rtype: bool
    """
    font_family = ""
    if "font-family" in style:
        font_family = style["font-family"]
    return "courier new" == font_family or "consolas" == font_family


def list_numbering_start(attrs: Dict[str, Optional[str]]) -> int:
    """
    Extract numbering from list element attributes

    :type attrs: dict

    :rtype: int or None
    """
    if "start" in attrs:
        assert attrs["start"] is not None
        try:
            return int(attrs["start"]) - 1
        except ValueError:
            pass

    return 0


def skipwrap(para: str, wrap_links: bool, wrap_list_items: bool) -> bool:
    # If it appears to contain a link
    # don't wrap