Subversion Repositories LCARS

'''

Created on 2014-10-20

@author: Thomas 'PointedEars' Lahn <mail@PointedEars.de>

'''

from sys import argv, stderr

from re import findall, DOTALL, IGNORECASE, match, sub, compile, \

    split

from os import chdir

from os.path import dirname, realpath

from collections import OrderedDict

from functools import cmp_to_key

from copy import deepcopy

from collections.abc import MutableSequence

dictionary = {}

prepositions = {

    "fi'": 'on',

    "na'": 'at|to',

    "t'": 'of'

}

class MutableString2(MutableSequence):

    def __init__(self, value=None):

        self._values = [str(value)] if value is not None else []

    def __add__(self, value):

        return ''.join([self, value])

    def __delitem__(self):

        raise NotImplementedError

    def __getitem__(self, index):

        return str(self)[index]

    def __len__(self):

        return len(str(self))

    def __repr__(self):

        return ''.join(self._values)

    def __setitem__(self, index, value):

        raise NotImplementedError

    def __str__(self):

        return self.__repr__()

    def extend(self, values):

        self._values.append(values)

    def insert(self, index, value):

        raise NotImplementedError

def load_dictionary(dictionary, dictionary_file):

    print('Loading dictionary {0} ...'.format(dictionary_file), end='', file=stderr)

    chdir(dirname(realpath(__file__)))

    with open(dictionary_file) as f:

        keys = "ipa|en|lit|pos|com|tag|ex"

        indent = None

        value = None

        for line in f:

            m = match(r'^\s*vuh:\s*(?P<phrase>.+)', line)

            if m is not None:

                phrase = m.group("phrase")

                dictionary[phrase] = {}

                indent = None

            else:

                m = match(

                    r'(?P<indent>\s*)(?P<key>{0}):\s*(?P<value>.+)'.format(keys),

                    line)

                if m is not None:

                    indent = m.group("indent")

                    key = m.group("key")

                    value = m.group("value")

                    value = dictionary[phrase][key] = MutableString2(value)

                elif indent is not None:

                    m = match(r'(?P<indent>\s+)(?P<continuation>\S.*)', line)

                    if m is not None:

                        if len(m.group("indent")) == len(indent) + 2:

                            dictionary[phrase][key] += (" " + m.group("continuation"))

    print(' done ({0} entries).'.format(len(dictionary)), file=stderr)

def clean_dictionary(dictionary):

    braces_re = compile(r'^\s*\{(.+)\}\s*$')

    semicolon_re = compile(r'\s*;\s*')

    for orig_phrase, data in list(dictionary.items()):

        if orig_phrase.find(";") > -1:

            synonyms = map(

                lambda x: sub(braces_re, r'\1', orig_phrase),

                split(semicolon_re, orig_phrase))

            for synonym in synonyms:

                dictionary[synonym] = deepcopy(data)

            del dictionary[orig_phrase]

        else:

            m = match(braces_re, orig_phrase)

            if m is not None:

                dictionary[m.group(1)] = deepcopy(dictionary[orig_phrase])

                del dictionary[orig_phrase]

def sort_dict_alnum_english_key(phrase):

    return sub(r'\{(.+)\}', r'\1', phrase[0]).lower()

def get_sort_dict_alnum_vulcan_key():

    letters = list(map(str.lower, [

        " ", 'S', 'T', 'P', 'K', 'R', 'L', 'A', 'Sh', 'O', 'U', 'D',

        'V', 'Kh', 'E', 'H', 'G', 'Ch', 'I', 'N', 'Zh', 'M', 'Y', 'F', 'Z',

        'Th', 'W', 'B', "'", '-']))

    letter_values = dict(map(lambda x: (x[1], x[0]), enumerate(letters)))

    letters_re = compile(r'(?:{0})'.format('|'.join(sorted(letters, key=lambda char:-len(char)))))

    def sort_dict_alnum_vulcan (a, b):

        # split into Vulcan letters

        a = findall(letters_re, sort_dict_alnum_english_key(a))

        b = findall(letters_re, sort_dict_alnum_english_key(b))

        if len(a) < len(b):

            for index, char in enumerate(a):

                diff = letter_values[char] - letter_values[b[index]]

                if diff != 0:

                    return diff

            return -1

        # len(b) <= len(a)

        for index, char in enumerate(b):

            diff = letter_values[a[index]] - letter_values[char]

            if diff != 0:

                return diff

        return 1 if len(b) < len(a) else 0

    return cmp_to_key(sort_dict_alnum_vulcan)

def translate (word, recursion=False):

    translation = dictionary.get(word.lower(), None)

    if translation is not None:

        translation = translation["en"]

        if match('[A-Z]', word):

            return sub('[a-z]', lambda ch: ch.group(0).upper(), str(translation), count=1)

        return translation

    if not recursion:

        # prepositions attached?

        for prep, prep_transl in prepositions.items():

            if (match(prep, word)):

                real_word = word.replace(r'^' + prep, '')

                real_word_transl = translate(real_word, recursion=True)

                if real_word_transl is not None:

                    return prep_transl + ' ' + real_word_transl

    if recursion:

        return None

    else:

        # Not in dictionary: proper name or missing for other reasons

        return '{{{0}}}'.format(word)

if __name__ == '__main__':

    load_dictionary(dictionary, 'vuh-gol-en.dict.zdb.txt')

    clean_dictionary(dictionary)

#     try:

#         for phrase, data in OrderedDict(sorted(

#             dictionary.items(),

#             key=get_sort_dict_alnum_vulcan_key()

#         )).items():

#             print(phrase, "=", data)

#     except BrokenPipeError:

#         pass

    text = argv[1]

    sentences = findall(r'(?!\s+)(?:.+?\.{1,3}|.+$)', text, DOTALL)

    for sentence in sentences:

        print(sentence)

        words = findall(r"(?!\s+)[a-z'-]{2,}", sentence, IGNORECASE)

        print(words)

        translated_words = list(map(translate, words))

        print(translated_words)

        for index, word in enumerate(words):

            sentence = sentence.replace(word, str(translated_words[index]))

        print(sentence)

        # replace punctuation

        for symbol, replacement in ({" - ": ", "}).items():

            sentence = sentence.replace(symbol, replacement)

        print(sentence)