ELRMileages

class pyrcs.line_data.elr_mileage.ELRMileages(data_dir=None, update=False, verbose=True)

A class for collecting data of Engineer’s Line References (ELRs).

Parameters

• data_dir (str or None) – name of data directory, defaults to None

• update (bool) – whether to do an update check (for the package data), defaults to False

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

Variables

• catalogue (dict) – catalogue of the data

• last_updated_date (str) – last update date

• data_dir (str) – path to the data directory

• current_data_dir (str) – path to the current data directory

Examples:

>>> from pyrcs.line_data import ELRMileages  # from pyrcs import ELRMileages

>>> em = ELRMileages()

>>> em.NAME
"Engineer's Line References (ELRs)"

>>> em.URL
'http://www.railwaycodes.org.uk/elrs/elr0.shtm'

Attributes

KEY	Key of the dict-type data
KEY_TO_LAST_UPDATED_DATE	Key of the data of the last updated date
NAME	Name of the data
URL	URL of the main web page of the data

Methods

collect_elr_by_initial(initial[, update, ...])	Collect Engineer's Line References (ELRs) for a given initial letter from source web page.
collect_mileage_file(elr[, parsed, ...])	Collect mileage file for the given ELR from source web page.
fetch_elr([update, dump_dir, verbose])	Fetch data of ELRs and their associated mileages.
fetch_mileage_file(elr[, update, dump_dir, ...])	Fetch the mileage file for a given ELR.
get_conn_mileages(start_elr, end_elr[, update])	Get a connection point between two ELR-and-mileage pairs.
search_conn(start_elr, start_em, end_elr, end_em)	Search for connection between two ELR-and-mileage pairs.