import re


def fix_url(files):
    ans = []

    target_date = 20260101

    cpu_pattern = r"k2-(\d)\.(\d)+((\.)(\d))?\.dev(\d{8})\+cpu\.torch(\d\.\d+\.\d)(\.dev(\d{8}))?-cp(\d+)"
    cuda_pattern = r"k2-(\d)\.(\d)+((\.)(\d))?\.dev(\d{8})\+cuda(\d+)\.(\d+)\.torch(\d\.\d+\.\d(\.dev\d{8})?)-cp(\d+)"

    for f in files:
        whl = f.rsplit("/", maxsplit=1)[1]
        if "cuda" in whl:
            m = re.search(cuda_pattern, whl)
        else:
            m = re.search(cpu_pattern, whl)

        date = int(m.group(6))

        if date >= target_date:
            f = f.replace("csukuangfj", "csukuangfj2")

        ans.append(f)
    return ans