下载手机 QQ 的原创表情，使用方式：qsticker.py --emoticonid 203291 --destination /any/dir --zip

qsticker.py

import argparse
import json
import os
import re
import requests
import requests.exceptions
import threading
import zipfile
from requests.models import Response

def downloadTask(url: str, dest = None) -> Response:
    retry = 0
    success = False
    res = None
    while not success:
        try:
            res = requests.get(url, proxies={'http': None, 'https': None})
            res.raise_for_status()
            success = True
        except requests.exceptions.HTTPError as ex:
            if ex.response.status_code == 404:
                raise ex
            else:
                print('HTTP error, retrying')
                retry += 1
                if retry > 3:
                    raise ex
    if dest:
        with open(dest, 'wb') as f:
            f.write(res.content)
    return res

def getFrameCount(imgData: bytes) -> bool:
    # GifFrameExtractor::isAnimatedGif()
    # https://github.com/Sybio/GifFrameExtractor/blob/13e9880add3ae9cca10a48a0a3897fe3d0069f71/src/GifFrameExtractor/GifFrameExtractor.php#L192
    return len(re.findall(b'\x00\x21\xF9\x04.{4}\x00[\x2C\x21]', imgData, re.DOTALL))

parser = argparse.ArgumentParser()
parser.add_argument(
    '-e',
    '--emoticonid',
    dest='emoticonID',
    type=int,
    required=True,
    help='The ID of emoticon pack.'
)
parser.add_argument(
    '-d',
    '--destination',
    dest='destination',
    type=str,
    default=os.getcwd(),
    help='The path to save the files.'
)
parser.add_argument(
    '-z',
    '--zip',
    dest='zip',
    action='store_true',
    help='Pack the emoticons into a ZIP file.'
)
args = parser.parse_args()

print(f'Fetching metadata of sticker #{args.emoticonID}')
try:
    meta = json.loads(downloadTask(f'https://gxh.vip.qq.com/qqshow/admindata/comdata/vipEmoji_item_{args.emoticonID}/xydata.json').text)
except requests.exceptions.HTTPError:
    print('The metadata is not found!\n')
    exit(0)
metaOriginal = json.dumps(meta, indent=2, ensure_ascii=False, sort_keys=True)
meta = {
    'name': meta['data']['baseInfo'][0]['name'],
    'desc': meta['data']['baseInfo'][0]['desc'],
    'tag': [i for i in meta['data']['baseInfo'][0]['tag'].split(' ') if i],
    'icon': f'https://i.gtimg.cn/club/item/parcel/img/parcel/{args.emoticonID % 10}/{args.emoticonID}/200x200.png',
    'image': [
        {
            'keyword': i['name'],
            'url': {
                'gif': f'https://i.gtimg.cn/club/item/parcel/item/{i["md5"][:2]}/{i["md5"]}/raw200.gif',
                'png': f'https://i.gtimg.cn/club/item/parcel/item/{i["md5"][:2]}/{i["md5"]}/{300 if args.emoticonID > 100000 else 126}x{300 if args.emoticonID > 100000 else 126}.png',
            },
        }
        for i in meta['data']['md5Info']
    ],
}
print(f'Name: {meta["name"]}')
print(f'Description: {meta["desc"]}')
print(f'Tag: {" ".join(meta["tag"])}')

print('Downloading icon')
icon = downloadTask(meta['icon']).content

destFolder = os.path.join(args.destination, f'{args.emoticonID}-{meta["name"]}')
destImageFolder = os.path.join(destFolder, 'image')
if not os.path.isdir(destFolder):
    os.mkdir(destFolder)
if not os.path.isdir(destImageFolder):
    os.mkdir(destImageFolder)
with open(os.path.join(destFolder, 'meta.json'), 'w') as f:
    f.write(metaOriginal)
with open(os.path.join(destFolder, 'icon.png'), 'wb') as f:
    f.write(icon)

firstImageContent = None
try:
    firstImageContent = downloadTask(meta['image'][0]['url']['gif']).content
    frameCount = getFrameCount(firstImageContent)
except requests.exceptions.HTTPError:
    frameCount = 1

processes = []
print('Creating threads to download the images')
if frameCount == 1:
    print('The emoticon pack is not animated, downloading PNG')
    taskArgs = [
        [image['url']['png'], os.path.join(destImageFolder, f'{image["keyword"]}.png')]
        for image in meta['image']
    ]
else:
    with open(os.path.join(destImageFolder, f'{meta["image"][0]["keyword"]}.gif'), 'wb') as f:
        f.write(firstImageContent)
    print('The emoticon pack is animated, downloading GIF')
    taskArgs = [
        [image['url']['gif'], os.path.join(destImageFolder, f'{image["keyword"]}.gif')]
        for image in meta['image'][1:]
    ]

for a in taskArgs:
    process = threading.Thread(target=downloadTask, args=a)
    process.start()
    processes.append(process)

for process in processes:
    process.join()

if args.zip:
    print('Packing ZIP...')
    with zipfile.ZipFile(f'{destFolder}.zip', 'w', zipfile.ZIP_DEFLATED) as f:
        for dirpath, dirnames, filenames in os.walk(destFolder, False):
            for fn in filenames:
                filepath = os.path.join(dirpath, fn)
                f.write(filepath, os.path.join(dirpath[(len(destFolder)):], fn))
                os.remove(filepath)
            for dn in dirnames:
                os.removedirs(os.path.join(dirpath, dn))

print('Complete!\n')