{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import unicodedata\n",
    "import string"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "unaccent_specials = ''.maketrans({\"’\": \"'\", '“': '\"', '”': '\"'})"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "def unaccent(text):\n",
    "    translated_text = text.translate(unaccent_specials)\n",
    "    return unicodedata.normalize('NFKD', translated_text).\\\n",
    "        encode('ascii', 'ignore').\\\n",
    "        decode('utf-8')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "def only_lower(text):\n",
    "    return all((c in string.ascii_lowercase) for c in text)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "/usr/share/dict/british-english\n",
      "find: ‘/usr/share/doc/google-chrome-stable’: Permission denied\n",
      "/usr/share/man/man5/british-english.5.gz\n"
     ]
    }
   ],
   "source": [
    "# !find /usr -type f -iname 'british-english*'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "total 2.3M\r\n",
      "drwxr-xr-x   2 root root 4.0K Dec 29 12:37 .\r\n",
      "drwxr-xr-x 640 root root  20K Apr 13 17:05 ..\r\n",
      "-rw-r--r--   1 root root 917K Oct 23  2011 american-english\r\n",
      "-rw-r--r--   1 root root 917K Oct 23  2011 british-english\r\n",
      "-rw-r--r--   1 root root 467K Aug 25  2016 cracklib-small\r\n",
      "-rw-r--r--   1 root root  199 Aug 29  2016 README.select-wordlist\r\n",
      "lrwxrwxrwx   1 root root   30 Nov 10  2014 words -> /etc/dictionaries-common/words\r\n",
      "lrwxrwxrwx   1 root root   16 Jun 18  2014 words.pre-dictionaries-common -> american-english\r\n"
     ]
    }
   ],
   "source": [
    "# !ls -lah /usr/share/dict"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "def rude(word):\n",
    "    return any(w in word \n",
    "               for w in 'piss shit cunt fuck arse crap fart jizz whore bitch'.split())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "rude('fucks')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "def words_with_len(n):\n",
    "    return [unaccent(w.strip()) for w in open('/usr/share/dict/british-english').readlines()\n",
    "               if only_lower(unaccent(w.strip()))\n",
    "               if len(unaccent(w.strip())) == n\n",
    "               if not rude(unaccent(w.strip()))]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2336 4-letter words\n",
      "4566 5-letter words\n",
      "7223 6-letter words\n"
     ]
    }
   ],
   "source": [
    "dicts = {}\n",
    "\n",
    "for n in [4, 5, 6]:\n",
    "    dicts[n] = words_with_len(n)\n",
    "    print('{} {}-letter words'.format(len(dicts[n]), n))\n",
    "    with open('words{}.txt'.format(n), 'w') as f:\n",
    "        f.write('\\n'.join(sorted(set(dicts[n]))))\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
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  "kernelspec": {
   "display_name": "Python 3",
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  "language_info": {
   "codemirror_mode": {
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   "file_extension": ".py",
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