Bridges.collect_codes¶

Bridges.collect_codes(confirmation_required=True, verbose=False, raise_error=False)[source]¶

Collects codes of railway bridges from its source webpage.

Parameters:

confirmation_required (bool) – Whether user confirmation is required; if confirmation_required=True (default), prompts the user for confirmation before proceeding with data collection.
verbose (bool | int) – Whether to print relevant information in the console; defaults to False.
raise_error (bool) – Whether to raise the provided exception; if raise_error=False (default), the error will be suppressed.

Returns:

A dictionary containing railway bridge data and the date of the last update, or None if no data is collected.

Return type:

dict | None

Examples:

>>> from pyrcs.line_data import Bridges  # from pyrcs import Bridges
>>> bdg = Bridges()
>>> bdg_codes = bdg.collect_codes(verbose=True)
To collect data of railway bridges
? [No]|Yes: yes
>>> type(bdg_codes)
dict
>>> list(bdg_codes.keys())
['East Coast Main Line',
 'Midland Main Line',
 'West Coast Main Line',
 'Scotland',
 'Elizabeth Line',
 'London Overground',
 'Anglia',
 'London Underground',
 'Key to text presentation conventions']
>>> bdg_codes['Key to text presentation conventions']
{'Bold': 'Existing bridges',
 'Bold italic': 'Existing locations',
 'Light italic': 'Former/historical locations',
 'Red': 'Stations',
 'Deep red': 'Level crossings',
 'Brown': 'Ventilation shafts',
 'Purple': 'Junctions',
 'Black,grey': 'Bridges and culverts',
 'Green': 'Tunnel portals',
 'Bright blue': 'Viaducts',
 'Deep blue': 'Boundaries'}