ELRMileages¶

class elr_mileage.ELRMileages(data_dir=None, update=False)[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

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

`ELRMileages.cdd_em`(*sub_dir[, mkdir])	Change directory to package data directory and sub-directories (and/or a file).
`ELRMileages.collect_elr_by_initial`(initial)	Collect Engineer’s Line References (ELRs) for the given initial letter from source web page.
`ELRMileages.collect_mileage_file`(elr[, …])	Collect mileage file for the given ELR from source web page.
`ELRMileages.fetch_elr`([update, pickle_it, …])	Fetch ELRs and mileages from local backup.
`ELRMileages.fetch_mileage_file`(elr[, …])	Fetch mileage file for the given ELR from local backup.
`ELRMileages.get_conn_mileages`(start_elr, end_elr)	Get a connection point between two ELR-and-mileage pairs.
`ELRMileages.parse_mileage_col`(mileage)	Parse column of mileage data.
`ELRMileages.parse_mileage_data`(mileage_data)	Parse scraped data of mileage file.
`ELRMileages.parse_multi_measures`(mileage_data)	Process data of mileage file with multiple measures.
`ELRMileages.parse_node_col`(node)	Parse column of node data.
`ELRMileages.search_conn`(start_elr, start_em, …)	Search for connection between two ELR-and-mileage pairs.