In [39]: lines[9]
Out[39]: 't0:1721420698.512 tF:1721420932.338: fasterrcnn_resnet50_fpn/torchreid: total_fps: 15.6, track_fps: 47.67934158624061, max_id: 30\n'

In [40]: %cpaste
Pasting code; enter '--' alone on the line to stop or use Ctrl-D.
:import re

SPLIT_RE = re.compile("[:,]? |[:,]") # evan is silly and didn't make it easy to parse

def split_fields(line):
    fs = SPLIT_RE.split(line.strip())

    kind = fs.pop(4)

    return kind, {k: float(v) for (k, v) in zip(fs[::2], fs[1:::2])}

::::::::::
:--

In [41]:

In [41]: split_fields(lines[9])
Out[41]:
('fasterrcnn_resnet50_fpn/torchreid',
 {'t0': 1721420698.512,
  'tF': 1721420932.338,
  'total_fps': 15.6,
  'track_fps': 47.67934158624061,
  'max_id': 30.0})