| #!/usr/bin/env python3 | |
| from io import BytesIO | |
| import json | |
| import os | |
| from sys import argv | |
| import tarfile | |
| from urllib.request import urlopen | |
| def get_bytes(url): | |
| return urlopen(url).read() | |
| def get_str(url): | |
| return get_bytes(url).decode() | |
| def get_index(chan): | |
| return json.loads(get_bytes("https://nodejs.org/download/{0}/index.json".format(chan))) | |
| def get_linux_x64_ver(idx): | |
| for item in idx: | |
| if "linux-x64" in item["files"]: | |
| return item["version"] | |
| def get_linux_x64_url(chan, ver): | |
| return "https://nodejs.org/download/{0}/{1}/node-{1}-linux-x64.tar.xz".format(chan, ver) | |
| def get_linux_x64_bytes(chan, ver): | |
| return get_bytes(get_linux_x64_url(chan, ver)) | |
| def get_linux_x64_tar(chan, ver): | |
| return tarfile.open(mode="r:xz", fileobj=BytesIO(get_linux_x64_bytes(chan, ver))) | |
| def extract_linux_x64_tar(chan, ver, path): | |
| get_linux_x64_tar(chan, ver).extractall(path=path) | |
| if __name__ == "__main__": | |
| chan = argv[1] | |
| ver = get_linux_x64_ver(get_index(chan)) | |
| extract_linux_x64_tar(chan, ver, os.getcwd()) | |
| print("node-{0}-linux-x64".format(ver), end="") |
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