Viaducts

A class for collecting railway viaducts.

Viaducts.collect_railway_viaducts_by_page(page_no)	Collect data of railway viaducts for a given page number from source web page.
Viaducts.fetch_railway_viaducts([update, …])	Fetch data of railway viaducts from local backup.

class pyrcs.other_assets.Viaducts(data_dir=None, update=False)

A class for collecting railway viaducts.

Parameters:

• data_dir (str, 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.other_assets import Viaducts

viaducts = Viaducts()

print(viaducts.Name)
# Railway viaducts

print(viaducts.SourceURL)
# http://www.railwaycodes.org.uk/viaducts/viaducts0.shtm

collect_railway_viaducts_by_page(page_no, update=False, verbose=False)

Collect data of railway viaducts for a given page number from source web page.

Parameters:

• page_no (int, str) – page number; valid values include 1, 2, 3, 4, 5, and 6
• update (bool) – whether to check on update and proceed to update the package data, defaults to False
• verbose (bool) – whether to print relevant information in console as the function runs, defaults to False

Returns:

railway viaducts data of the given page_no and date of when the data was last updated

Return type:

dict

Example:

from pyrcs.other_assets import Viaducts

viaducts = Viaducts()

update = True

page_no = 1
railway_viaducts_1 = viaducts.collect_railway_viaducts_by_page(page_no, update)

print(railway_viaducts_1)
# {'Page 1 (A-C)': <codes>,
#  'Last updated date': <date>}

fetch_railway_viaducts(update=False, pickle_it=False, data_dir=None, verbose=False)

Fetch data of railway viaducts from local backup.

Parameters:

• update (bool) – whether to check on update and proceed to update the package data, defaults to False
• pickle_it (bool) – whether to replace the current package data with newly collected data, defaults to False
• data_dir (str, None) – name of package data folder, defaults to None
• verbose (bool) – whether to print relevant information in console as the function runs, defaults to False

Returns:

railway viaducts data and date of when the data was last updated

Return type:

dict

Example:

from pyrcs.other_assets import Viaducts

viaducts = Viaducts()

update = False
pickle_it = False
data_dir = None

railway_viaducts = viaducts.fetch_railway_viaducts(update, pickle_it, data_dir)

print(railway_tunnel_lengths)
# {'Viaducts': <codes>,
#  'Latest update date': <date>}