コード例 #1
0
def test_pretty_filesieze():

    nt.assert_equal('0B', pretty_size(0))
    nt.assert_equal('9.0T', pretty_size(9898989898879))
    nt.assert_equal('4.78G', pretty_size(5129898234))
    nt.assert_equal('12.3M', pretty_size(12898234))
    nt.assert_equal('966.7K', pretty_size(989898))
    nt.assert_equal('128.0B', pretty_size(128))
    nt.assert_equal(0, reverse_pretty('0B'))
    nt.assert_equal(8, reverse_pretty('8B'))
    nt.assert_equal(8192, reverse_pretty('8K'))
    nt.assert_equal(134217728, reverse_pretty('128M'))
    nt.assert_equal(2147483648, reverse_pretty('2G'))
    nt.assert_equal(2199023255552, reverse_pretty('2T'))
    # can't handle Petabytes, yet
    nt.assert_raises(ValueError, reverse_pretty, '2P')
コード例 #2
0
def get_fs(file_name):
    return bpp.pretty_size(path.getsize(file_name))
コード例 #3
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with bpt.create_tmp_files() as (tdir, in_file, out_file, dcmp_file):

    print('create the test data', end='')
    bpt.create_array(100, in_file, progress=bpt.simple_progress)
    repeats = 3
    print("%s\t%s\t\t%s\t\t%s" %
          ("chunk_size", "comp-time", "decomp-time", "ratio"))
    for chunk_size in (int(2**i) for i in numpy.arange(19, 23.5, 0.5)):
        cmp_times, dcmp_times = [], []
        for _ in range(repeats):
            drop_caches()
            tic = time.time()
            pack_file_to_file(in_file, out_file, chunk_size=chunk_size)
            sync()
            toc = time.time()
            cmp_times.append(toc - tic)
            drop_caches()
            tic = time.time()
            unpack_file_from_file(out_file, dcmp_file)
            sync()
            toc = time.time()
            dcmp_times.append(toc - tic)
        ratio = path.getsize(in_file) / path.getsize(out_file)
        print("%s\t\t%f\t\t%f\t\t%f" % (
            pretty_size(chunk_size),
            sum(cmp_times) / repeats,
            sum(dcmp_times) / repeats,
            ratio,
        ))
コード例 #4
0
with bpt.create_tmp_files() as (tdir, in_file, out_file, dcmp_file):

    print('create the test data', end='')
    bpt.create_array(100, in_file, progress=bpt.simple_progress)
    repeats = 3
    print("%s\t%s\t\t%s\t\t%s" %
          ("chunk_size", "comp-time", "decomp-time", "ratio"))
    for chunk_size in (int(2**i) for i in numpy.arange(19, 23.5, 0.5)):
        cmp_times, dcmp_times = [], []
        for _ in range(repeats):
            drop_caches()
            tic = time.time()
            pack_file_to_file(in_file, out_file, chunk_size=chunk_size)
            sync()
            toc = time.time()
            cmp_times.append(toc-tic)
            drop_caches()
            tic = time.time()
            unpack_file_from_file(out_file, dcmp_file)
            sync()
            toc = time.time()
            dcmp_times.append(toc-tic)
        ratio = path.getsize(in_file)/path.getsize(out_file)
        print("%s\t\t%f\t\t%f\t\t%f" %
              (pretty_size(chunk_size),
               sum(cmp_times)/repeats,
               sum(dcmp_times)/repeats,
               ratio,
               )
              )