Random symbolic identifiers

randsym.py

# -*- coding: utf-8 -*-

import codecs
from collections import Counter
import random
import sys 

sys.stdout = codecs.getwriter('utf8')(sys.stdout)

DIACRITICS = [
    'acute',
    'grave',
    'circumflex',
    'caron',
    'breve',
    'brauve',
    'trema',
    'dot',
    'macron',
    'persipomene',
    'ring',
    'left hook',
    'right hook',
]

MODIFIERS = [
    'line through',
    'slash through',
    'backslash through',
    'dot inside',
]

CONTAINERS = [
    'oval',
    'rectangle',
]

BRACKETS = [
    'parentheses',
    'square brackets',
    'angle brackets',
    'inverse guillemots',
    'curly braces'
]

DIGITS = '0123456789'
MINISCULES = u'aɑbcdeɛghƕꜧıȷklmnŋopqrsʃþuvwxyz'
ROT_REF_MN = u'  xtx t    t  trt xxx ttttrtx t'
MAJISCULES = u'ABCDEƐFGHǶꜦIJKLMNŊOPQRSƩTÞUVWXYZ'
ROT_REF_MJ = u'r tttt  x  x   rt x   ttrtrrrxrt'

SIMPLE_SHAPES = u'■●'
COMPLEX_FILLS = u'□○─│┼●'
COMPLEX_SHAPES = u'▬▮◆▲▼◀▶◢◣◤◥⬟⬢⬣'
SIMPLE_FILLS = u'●'

def all_letters():
    for d in DIGITS:
        yield d
        yield d
        yield d
        yield d
    for i, l in enumerate(MINISCULES):
        yield l
        yield l
        yield l
        if ROT_REF_MN[i] not in 'tx':
            yield 'turned ' + l
        if ROT_REF_MN[i] not in 'rx':
            yield 'reversed ' + l
        if ROT_REF_MN[i] == ' ':
            yield 'turned and reversed ' + l
    for i, l in enumerate(MAJISCULES):
        yield l
        yield l
        if ROT_REF_MJ[i] not in 'tx':
            yield 'turned ' + l
        if ROT_REF_MJ[i] not in 'rx':
            yield 'reversed ' + l
        if ROT_REF_MJ[i] == ' ':
            yield 'turned and reversed ' + l

ALL_LETTERS = list(all_letters())

def all_shapes():
    for s in SIMPLE_SHAPES:
        yield s
        yield 'double ' + s
        for f in COMPLEX_FILLS:
            if f != s:
                yield f + ' in ' + s
                yield f + ' in double ' + s
    for s in COMPLEX_SHAPES:
        yield s
        yield 'double ' + s
        for f in SIMPLE_FILLS:
            yield f + ' in ' + s

ALL_SHAPES = list(all_shapes())

SIMPLE_WINGDINGS = ['.', '+', u'×', 'four-pointed star', 'tilted four-pointed star',
                    u'★', u'inverted ★', 'vertical asterisk',
                    'horizontal asterisk', u'✳']
WINGDINGS = u'!%‰‱&?@/\¡§¶※‽=±÷∀∃∅∆∇∧∨∩∪≈≐<>≤≥⋈⌂⌘$¢£¤¥฿₠₡₢₣₤₥₦₧₨₩₪₫€☥☩☪☸✡☉☿♀♁♂♃♄♅♆♇♈♉♊♋♌♍♎♏♐♑♒♓☇☈☄☁☼●☽◐○◑☾♠♥♦♣♩♪♬♭♮♯✓✗'

def all_wingdings():
    for w in WINGDINGS:
        yield w
    for w in SIMPLE_WINGDINGS:
        if w == '.':
            yield '.'
            yield ':'
            yield u'∴'
        elif w == '+':
            yield '+'
            yield u'‡'
            yield 'triple +'
        else:
            yield w
            yield u'double ' + w
            yield u'triple ' + w

ALL_WINGDINGS = list(all_wingdings())

def code():
    result = letter() + ',\n'
    w = random.choice(ALL_WINGDINGS)
    result += w + u', and\n'
    result += letter() + '\nin '
    wrapper = random.choice(CONTAINERS + BRACKETS)
    double = random.random() >= .65
    if wrapper in CONTAINERS:
        result += 'a '
    if double:
        result += 'double ' + wrapper
    else:
        result += wrapper
    return result

def letter():
    result = random.choice(ALL_LETTERS + ALL_SHAPES)
    if result in DIGITS:
        result += random.choice(DIGITS)
    diacritics = []
    above, below = random.choice([[0, 0], [1, 0], [1, 0], [1, 1], [2, 0], [0, 1]])
    above = fill(above)
    below = fill(below)
    modifier = random.random() >= .85
    if modifier:
        modifier = [random.choice(MODIFIERS)]
    else:
        modifier = []
    for d, n in Counter(above).iteritems():
        if n == 1:
            diacritics.append(d)
        elif n == 2:
            diacritics.append('double ' + d)
        elif n == 3:
            diacritics.append('triple ' + d)
        else:
            diacritics.append(u'{} × {}'.format(n, d))
    for d, n in Counter(below).iteritems():
        if n == 1:
            diacritics.append(d + ' below')
        elif n == 2:
            diacritics.append('double {} below'.format(d))
        elif n == 3:
            diacritics.append('triple {} below'.format(d))
        else:
            diacritics.append(u'{} × {} below'.format(n, d))
    for d, n in Counter(modifier).iteritems():
        if n == 1:
            diacritics.append(d)
        elif n == 2:
            diacritics.append('double ' + d)
        elif n == 3:
            diacritics.append('triple ' + d)
        else:
            diacritics.append(u'{} × {}'.format(n, d))
    diacritics = describe(diacritics)
    if diacritics:
        diacritics = ' with ' + diacritics
    result += diacritics
    return result

def describe(_list):
    if len(_list) == 0:
        return ''
    elif len(_list) == 1:
        return _list[0]
    elif len(_list) == 2:
        return ' and '.join(_list)
    else:
        return ', '.join(_list[:-1]) + ', and ' + _list[-1]

def fill(qty):
    return list(_fill(qty))

def _fill(qty):
    for _ in xrange(qty):
        yield random.choice(DIACRITICS)

if __name__ == '__main__':
    c = code()
    #print repr(c)
    print c