ELRMileages

class elr_mileage.ELRMileages(data_dir=None, update=False, verbose=True)[source]

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

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

  • update (bool) – whether to check on update and proceed to update the package data, defaults to False

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

Example:

>>> from pyrcs.line_data import ELRMileages

>>> em = ELRMileages()

>>> print(em.Name)
ELRs and mileages

>>> print(em.SourceURL)
http://www.railwaycodes.org.uk/elrs/elr0.shtm

Methods

collect_elr_by_initial(initial[, update, …])

Collect Engineer’s Line References (ELRs) for the 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, pickle_it, data_dir, verbose])

Fetch ELRs and mileages from local backup.

fetch_mileage_file(elr[, update, pickle_it, …])

Fetch mileage file for the given ELR from local backup.

get_conn_mileages(start_elr, end_elr[, …])

Get a connection point between two ELR-and-mileage pairs.

parse_mileage_col(mileage)

Parse column of mileage data.

parse_mileage_data(mileage_data)

Parse scraped data of mileage file.

parse_multi_measures(mileage_data)

Process data of mileage file with multiple measures.

parse_node_col(node)

Parse column of node data.

search_conn(start_elr, start_em, end_elr, end_em)

Search for connection between two ELR-and-mileage pairs.