Extract font names from TTF/OTF/WOFF/WOFF2 files using python

extract_font_name.py

import base64
import io
import json

import chardet
import requests
from fontTools import ttLib

FONT_SPECIFIER_FAMILY_ID = 1
FONT_SPECIFIER_SUB_FAMILY_ID = 2

def get_font_name(font_file_url: str) -> str:
    try:
        r = requests.get(font_file_url)
        font_meta = ttLib.TTFont(io.BytesIO(r.content))
        family, sub_family = "", ""
        for record in font_meta["name"].names:
            if record.nameID == FONT_SPECIFIER_SUB_FAMILY_ID and not sub_family:
                sub_family = extract_name(record.string)
            elif record.nameID == FONT_SPECIFIER_FAMILY_ID and not family:
                family = extract_name(record.string)
            if sub_family and family:
                break
        combined_family_sub_family = " ".join((family, sub_family))
        if combined_family_sub_family.strip() == "":
            return None
        return combined_family_sub_family
    except Exception as e:
        log.exception(e)
        return None