Get FontFamily, Styles from a TTFont object (python fonttools lib)

fonttools_fontinfo.py

class TTFontInfo(object):

    bold_names = ("bold", "demibold", "demi-bold", "demi bold", "negreta", "demi",)

    italic_names = ("italic", "cursiva", "oblique", "inclined",)

    bold_italic_names = ("bolditalic", "bold-italic", "bold italic", "boldoblique", "bold-oblique",
                         "bold oblique", "demibold italic", "negreta cursiva", "demi oblique",)

    font_specifier_family_id = 1
    font_specifier_sub_family_id = 2

    def __init__(self, family_name, is_bold=False, is_italic=False):
        self._family_name = family_name
        self._is_bold = is_bold
        self._is_italic = is_italic

    @property
    def family_name(self):
        return self._family_name

    @property
    def is_bold(self):
        return self._is_bold

    @property
    def is_italic(self):
        return self._is_italic

    @classmethod
    def from_ttfont(cls, tt_font):

        family = ""
        sub_family = ""

        name_table = tt_font['name']

        for record in name_table.names:
            name_str = record.toUnicode()

            if record.nameID == cls.font_specifier_family_id and not family:
                family = name_str
            elif record.nameID == cls.font_specifier_sub_family_id and not sub_family:
                sub_family = name_str

            if family and sub_family:
                break

        is_bold = False
        is_italic = False
        sub_family_lower = sub_family.lower()
        if any([n in sub_family_lower for n in cls.bold_italic_names]):
            is_bold = True
            is_bold = True
        if any([n in sub_family_lower for n in cls.bold_names]):
            is_bold = True
        if any([n in sub_family_lower for n in cls.italic_names]):
            is_italic = True

        return TTFontInfo(family, is_bold=is_bold, is_italic=is_italic)