29def _create_file_infos():
30 """simple helper function to create consistent dicts for in-file metadata
31 """
32 d = {
33 'nentries' : 0,
34 'run_number': [],
35 'run_type': ['N/A'],
36 'evt_type': [],
37 'evt_number': [],
38 'lumi_block': [],
39 'mc_channel_number': [],
40 'beam_type': ['N/A'],
41 'beam_energy': ['N/A'],
42 'stream_tags': [],
43 'metadata_items': [],
44 'eventdata_items': [],
45 'stream_names': None,
46 'geometry': None,
47 'conditions_tag': None,
48 'det_descr_tags': None,
49
50 'metadata': {},
51 'tag_info': {},
52 }
53 return d
54