constants.py

# trains:
RED_LINE_ASHMONT = 'Red-Ashmont'
RED_LINE_BRAINTREE = 'Red-Braintree'
RED_LINE = 'Red'
GREEN_LINE = 'Green'
GREEN_LINE_B = 'Green-B'
GREEN_LINE_C = 'Green-C'
GREEN_LINE_D = 'Green-D'
GREEN_LINE_E = 'Green-E'
BLUE_LINE = 'Blue'
ORANGE_LINE = 'Orange'

# status:
STATUS_AT_STATION = 'AT_STATION'
STATUS_IN_TRANSIT = 'IN_TRANSIT'
STATUS_TERMINATED = 'TERMINATED'
STATUS_UNKNOWN = 'UNKNOWN'

# other:
RED_LINE_ASHMONT_STATIONS = ['Savin Hill', 'Fields Corner', 'Shawmut', 'Ashmont']
RED_LINE_BRAINTREE_STATIONS = ['North Quincy', 'Wollaston', 'Quincy Center', 'Quincy Adams', 'Braintree']
NON_ACCESSIBLE_STATIONS = ['Bowdoin', 'Wollaston', 'Symphony', 'Hynes Convention Center', 'Fenwood Road', 'Mission Park', 'Riverway', 'Back of the Hill',
                           'Beaconsfield', 'Chestnut Hill', 'Newton Highlands', 'Eliot', 'Waban', 'Hawes Street', 'Kent Street', 'Saint Paul Street',
                           'Summit Ave.', 'Brandon Hall', 'Fairbanks Street', 'Tappan Street', 'Dean Road', 'Englewood Ave.', 'Blandford Street',
                           'Boston Univ. West', 'Saint Paul Street', 'Pleasant Street', 'Babcock Street', 'Packards Corner', 'Griggs Street',
                           'Allston Street', 'Warren Street', 'Sutherland Road', 'Chiswick Road', 'Chestnut Hill Ave.', 'South Street']