SignalBoxes.collect_bell_codes

SignalBoxes.collect_bell_codes(confirmation_required=True, verbose=False)

Collect data of bell codes from source web page.

Parameters

• confirmation_required (bool) – whether to confirm before proceeding, defaults to True

• verbose (bool or int) – whether to print relevant information in console, defaults to False

Returns

bell codes for the signal box prefix codes

Return type

dict or None

Examples:

>>> from pyrcs.other_assets import SignalBoxes  # from pyrcs import SignalBoxes

>>> sb = SignalBoxes()

>>> sb_bell_codes = sb.collect_bell_codes()
To collect data of Bell codes
? [No]|Yes: yes
>>> type(sb_bell_codes)
dict
>>> list(sb_bell_codes.keys())
['Bell codes', 'Last updated date']

>>> sb.KEY_TO_BELL_CODES
'Bell codes'

>>> sb_bell_codes_dat = sb_bell_codes[sb.KEY_TO_BELL_CODES]
>>> type(sb_bell_codes_dat)
collections.OrderedDict
>>> list(sb_bell_codes_dat.keys())
['Network Rail codes',
 'Southern Railway codes',
 'Lancashire & Yorkshire Railway codes']

>>> sb_nr_bell_codes = sb_bell_codes_dat['Network Rail codes']
>>> type(sb_nr_bell_codes)
dict
>>> list(sb_nr_bell_codes.keys())
['Codes', 'Notes']
>>> sb_nr_bell_codes_dat = sb_nr_bell_codes['Codes']
>>> type(sb_nr_bell_codes_dat)
pandas.core.frame.DataFrame
>>> sb_nr_bell_codes_dat.head()
    Code                                       Meaning
0      1                                Call attention
1    1-1             Answer telephone [withdrawn 2007]
2  1-1-6           Police assistance urgently required
3    1-2  Signaller required on telephone [added 2007]
4  1-2-1                             Train approaching