基础使用

安装

python.exe -m pip install 

用例

获取字体的show_name信息

# -*- coding: utf-8 -*-
#
# @Author: CPS
# @email: 373704015@qq.com
# @Date:
# @Last Modified by: CPS
# @Last Modified time: 2022-07-27 17:42:42.055123
# @file_path "W:\CPS\MyProject\test"
# @Filename "ps_test.py"
# @Description: 功能描述
#


import os, sys

sys.path.append("..")
from os import path

from fontTools.ttLib import TTFont
import xml.etree.ElementTree as ET


class FoundError(Exception):
    pass


def find_show_name_from_xml(xml_data: ET.Element) -> str:
    """
    解析通过`TTFont(font_path).saveXML()`导出的字体xml文件，
    匹配第一次：`<namerecord nameID="1" platformID="1">`
    匹配第二次：`<namerecord nameID="1">`

    - param xml_data :{ElementTree} 通过:`xml.etree.ElementTree.parse(font_xml_path)`获取到的xml对象

    """
    font_name = ""
    try:
        for name_item in xml_data.findall("name"):
            namerecords = name_item.findall("namerecord")
            check_text = ""
            for each_t in namerecords:
                if (
                    each_t.attrib["nameID"] == "1"
                    and each_t.attrib["platformID"] == "1"
                ):
                    check_text = str(each_t.text).strip()

                elif each_t.attrib["nameID"] == "1":
                    check_text = str(each_t.text).strip()

                # 检查获取到的内容是否合法
                if check_text != "":
                    font_name = check_text
                    raise FoundError()

    except FoundError:
        return font_name
    else:
        return ""


def read_xml(xml_file_path: str) -> ET.Element:
    """
    解析xml文件，返回tree形式的可遍历对象

    @returns `{ ET.Element}`

    """
    try:
        # 读取xml
        font_xml_obj = ET.parse(xml_file_path)
        root_element = font_xml_obj.getroot()
        return root_element
    except Exception as e:
        print("read_xml: fail", e)
        return None


# 默认支持的后缀名
DEFAULT_EXCLUDE_EXT = [".otf", ".ttf"]


def get_font_show_name(font_path: str, exclude_ext: list[str] = list()) -> str:
    """
    获取字体文件的show_name

    - param font_path          :{str}       字体文件绝对路径
    - param exclude_ext=list() :{list[str]} 字体的后缀，默认:`[".otf", ".ttf"]`

    @returns `{str}` 查找失败返回空字符串`""`
    @example
    ```python
    font_dir = r"D:/CPS/MyProject/Project_Outside/PSD文件解析/psd-tool/data/fonts"
    for font_name in os.listdir(font_dir):
        res = get_font_show_name(os.path.join(font_dir, font_name))
        if res:
            print(f"font: {font_name} => show_name: {res}")
    ```
    """
    # 过滤不支持的字体文件
    global DEFAULT_EXCLUDE_EXT
    exclude_ext += DEFAULT_EXCLUDE_EXT
    name, ext = os.path.splitext(font_path)
    if not ext in exclude_ext:
        return ""

    font_dir = path.dirname(font_path)
    font_xml_path = path.join(font_dir, f"{path.splitext(font_path)[0]}.xml")
    # 判断xml文件是否存在，不存在则创建
    if not path.exists(font_xml_path):
        t = TTFont(font_path)
        t.saveXML(font_xml_path)

    # 读取xml文件
    get_xml_data = read_xml(font_xml_path)
    if get_xml_data:
        # 解析xml文件，获取show_name
        font_show_name = find_show_name_from_xml(get_xml_data)
        return font_show_name


if __name__ == "__main__":
    font_dir = r"D:/CPS/MyProject/Project_Outside/PSD文件解析/psd-tool/data/fonts"
    for font_name in os.listdir(font_dir):
        res = get_font_show_name(os.path.join(font_dir, font_name))
        if res:
            print(f"font: {font_name} => show_name: {res}")