Files
LangBot/pkg/utils/image.py
T

55 lines
1.7 KiB
Python

import base64
import typing
from urllib.parse import urlparse, parse_qs
import ssl
import aiohttp
def get_qq_image_downloadable_url(image_url: str) -> tuple[str, dict]:
"""获取QQ图片的下载链接"""
parsed = urlparse(image_url)
query = parse_qs(parsed.query)
return f"http://{parsed.netloc}{parsed.path}", query
async def get_qq_image_bytes(image_url: str) -> tuple[bytes, str]:
"""获取QQ图片的bytes"""
image_url, query = get_qq_image_downloadable_url(image_url)
ssl_context = ssl.create_default_context()
ssl_context.check_hostname = False
ssl_context.verify_mode = ssl.CERT_NONE
async with aiohttp.ClientSession(trust_env=False) as session:
async with session.get(image_url, params=query, ssl=ssl_context) as resp:
resp.raise_for_status()
file_bytes = await resp.read()
content_type = resp.headers.get('Content-Type')
if not content_type or not content_type.startswith('image/'):
image_format = 'jpeg'
else:
image_format = content_type.split('/')[-1]
return file_bytes, image_format
async def qq_image_url_to_base64(
image_url: str
) -> typing.Tuple[str, str]:
"""将QQ图片URL转为base64,并返回图片格式
Args:
image_url (str): QQ图片URL
Returns:
typing.Tuple[str, str]: base64编码和图片格式
"""
image_url, query = get_qq_image_downloadable_url(image_url)
# Flatten the query dictionary
query = {k: v[0] for k, v in query.items()}
file_bytes, image_format = await get_qq_image_bytes(image_url)
base64_str = base64.b64encode(file_bytes).decode()
return base64_str, image_format