TrackDiagrams.fetch_sample_catalogue¶
-
TrackDiagrams.
fetch_sample_catalogue
(update=False, pickle_it=False, data_dir=None, verbose=False)[source]¶ Fetch catalogue of sample railway track diagrams 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 or 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
catalogue of sample railway track diagrams and date of when the data was last updated
- Return type
dict
Example:
>>> from pyrcs.line_data import TrackDiagrams >>> td = TrackDiagrams() >>> # trk_diagr_cat = td.fetch_sample_catalogue(update=True, verbose=True) >>> trk_diagr_cat = td.fetch_sample_catalogue() >>> type(trk_diagr_cat) dict >>> list(trk_diagr_cat.keys()) ['Track diagrams', 'Last updated date'] >>> td_dat = trk_diagr_cat['Track diagrams'] >>> type(td_dat) dict >>> list(td_dat.keys()) ['Main line diagrams', 'Tram systems', 'London Underground', 'Miscellaneous'] >>> print(td_dat['Main line diagrams'][1]) Description FileURL 0 South Central area (1985) 10.4Mb file http://www.railwaycodes.org.uk/... 1 South Eastern area (1976) 5.4Mb file http://www.railwaycodes.org.uk/...