ELRMileages

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

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

Parameters:

data_dir (str or None) – The name of a folder for the 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) – The catalogue of the data.
last_updated_date (str) – The last updated date.
data_dir (str) – An absolute path to the data directory.
current_data_dir (str) – An absolute path to the current data directory.
measure_headers (list) – A list of possible headers for different measures.

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`	str: Key of the dict-type data.
`KEY_TO_LAST_UPDATED_DATE`	str: Key of the data of the last updated date.
`NAME`	str: Name of the data.
`URL`	str: 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.