acronyms.py

"""Vehicle Acronyms

Usage:
1. Clone https://github.com/tabatkins/railroad-diagrams
2. Drop this file in.
3. $ python3 acronyms.py

Some sources:
- https://en.wikipedia.org/wiki/Automotive_acronyms_and_abbreviations
- http://www.chicagotribune.com/classified/automotive/
        chi-electric-vehicle-acronyms-20130724-story.html
- http://www.ev-institute.com/images/acronym_poster.pdf

If you change "html" to "svg" in the second-to-last line, files are created
that Inkscape will open, but the connecting lines are wonky. ¯\_(ツ)_/¯

I know PHDEV doesn't occur in the wild, but it's dinner time and I'm hungry.

"""
from railroad_diagrams import (
    Choice,
    Diagram,
    Optional,
    Sequence,
    Skip,
    )


A = Sequence(Optional('Connected'), 'Autonomous')

FC = Sequence(
    'Fuel Cell',
    Optional(Sequence(Optional('Hybrid'), 'Electric')),
    )

D_v = Sequence(
    Choice(1,
           Sequence(Optional('Electric'), 'Heavy'),
           'Medium',
           Sequence(Optional('Passenger'), 'Light')),
    'Duty')

D_t = Sequence(
    Choice(1, 'Heavy', 'Medium', 'Light'),
    'Duty',
    )

Hyb = Sequence(
    Optional('Plugin'),
    'Hybrid',
    Optional('Diesel'),
    )

El = Sequence(
    Choice(3,
           Skip(),
           'Battery',
           'City',
           Hyb,
           'Inherently Low',
           'Neighbourhood',
           'Extended Range',
           ),
    'Electric',
    )

Em = Sequence(
    Choice(0,
           Sequence(Optional(Sequence(Optional('Super'), 'Ultra')), 'Low'),
           Sequence(Optional('Partial'), 'Zero'),
           ),
    'Emissions',
    )

ICE = 'Internal Combustion Engine'

F = Sequence(
    Choice(0, 'Alternative', 'Bi-', 'Clean', 'Dual'),
    'Fuel',
    )

NG = Sequence(
    Optional('Compressed'),
    'Natural Gas',
    )

FH = 'For Hire'

Hyd = 'Hydrogen (H2)'

SU = 'Sport Utility'

diagrams = {
    'Vehicle': Choice(4, A, FC, D_v, El, Em, ICE, F, NG, FH, Hyd, SU),
    'Truck': D_t,
    }

for root, entries in diagrams.items():
    diagram = Diagram(Sequence(entries, root), type='complex')

    with open('acronyms-{}.html'.format(root.lower()), 'w') as f:
        diagram.writeSvg(f.write)