65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
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import requests
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import hashlib
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import os
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from concurrent.futures import ThreadPoolExecutor
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folder = 'vanilla'
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# source = 'https://launchermeta.mojang.com/mc/game/version_manifest.json'
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source = 'https://download.mcbbs.net/mc/game/version_manifest.json'
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# 先获取 Minecraft 的版本
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versions = requests.get(source).json()
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# 计算要下载多少
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print('Total ' + str(len(versions['versions'])) + ' versions')
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# 多线程异步下载
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executor = ThreadPoolExecutor(max_workers=5)
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# 倒序
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versions['versions'].reverse()
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# 下载所有版本的客户端 jar
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for version in versions['versions']:
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print('Downloading ' + version['id'])
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# 检测文件哈希
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version_id = folder + '/' + version['id']
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version_data = requests.get(version['url']).json()
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# 检测有没有 server
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if 'server' not in version_data['downloads']:
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print('Skip ' + version_id + ' (no server)')
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continue
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downloads = version_data['downloads']['server']
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if os.path.exists(version_id + '.jar'):
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with open(version_id + '.jar', 'rb') as f:
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if hashlib.sha1(f.read()).hexdigest() == downloads['sha1']:
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print('Skip ' + version_id)
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continue
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# get file size
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# print(requests.head(downloads['url']).headers['Content-Length'])
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file_size = int(requests.head(downloads['url']).headers['Content-Length'])
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# print file size mb
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print('File size: ' + str(file_size / 1024 / 1024) + ' MB')
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# 多线程下载
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# executor.submit(requests.get, downloads['url'], stream=True).add_done_callback(
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# lambda future: open(version_id + '.jar', 'wb').write(future.result().content)
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# )
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# 单线程下载
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with open(version_id + '.jar', 'wb') as f:
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f.write(requests.get(downloads['url'], stream=True).content)
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executor.shutdown()
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