Tunnels

class tunnel.Tunnels(data_dir=None, update=False, verbose=True)

A class for collecting railway tunnel lengths.

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

  • Name (str) – name of the data

  • Key (str) – key of the dict-type data

  • HomeURL (str) – URL of the main homepage

  • SourceURL (str) – URL of the data web page

  • LUDKey (str) – key of the last updated date

  • LUD (str) – last updated date

  • Catalogue (dict) – catalogue of the data

  • DataDir (str) – path to the data directory

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

  • P1Key (str) – key of the dict-type data of Page 1

  • P2Key (str) – key of the dict-type data of Page 2

  • P3Key (str) – key of the dict-type data of Page 3

  • P4Key (str) – key of the dict-type data of Page 4

Example:

>>> from pyrcs.other_assets import Tunnels

>>> tunl = Tunnels()

>>> print(tunl.Name)
Railway tunnel lengths

>>> print(tunl.SourceURL)
http://www.railwaycodes.org.uk/tunnels/tunnels0.shtm

Methods

collect_lengths_by_page(page_no[, update, …])

Collect data of railway tunnel lengths for a page number from source web page.

fetch_tunnel_lengths([update, pickle_it, …])

Fetch data of railway tunnel lengths from local backup.

parse_length(x)

Parse data in 'Length' column, i.e. convert miles/yards to metres.