bz2 解压文件

解压文件，写入另一个文件中

pp = r'C:UsersxixiDesktopecmfW_NAFP_C_ECMF_20200101054247_P_C1D01010000010100001.bz2'

with open('xxxxxx.grib', 'wb') as new_file, bz2.BZ2File(pp, 'rb') as file:
    for data in iter(lambda: file.read(100 * 1024), b''):
        new_file.write(data)

参考： https://blog.csdn.net/bananajia/article/details/52350966

            https://blog.csdn.net/kxjrzyk/article/details/79244312