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Rearrange modules because of single-version-externally-managed
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BasioMeusPuga
191
lector/KindleUnpack/mobi_utils.py
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191
lector/KindleUnpack/mobi_utils.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
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# flake8: noqa
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from __future__ import unicode_literals, division, absolute_import, print_function
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from .compatibility_utils import PY2, text_type, bchr, bord
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import binascii
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if PY2:
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range = xrange
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from itertools import cycle
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def getLanguage(langID, sublangID):
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mobilangdict = {
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54 : {0 : 'af'}, # Afrikaans
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28 : {0 : 'sq'}, # Albanian
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1 : {0 : 'ar' , 5 : 'ar-dz' , 15 : 'ar-bh' , 3 : 'ar-eg' , 2 : 'ar-iq', 11 : 'ar-jo' , 13 : 'ar-kw' , 12 : 'ar-lb' , 4: 'ar-ly',
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6 : 'ar-ma' , 8 : 'ar-om' , 16 : 'ar-qa' , 1 : 'ar-sa' , 10 : 'ar-sy' , 7 : 'ar-tn' , 14 : 'ar-ae' , 9 : 'ar-ye'},
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# Arabic, Arabic (Algeria), Arabic (Bahrain), Arabic (Egypt), Arabic
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# (Iraq), Arabic (Jordan), Arabic (Kuwait), Arabic (Lebanon), Arabic
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# (Libya), Arabic (Morocco), Arabic (Oman), Arabic (Qatar), Arabic
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# (Saudi Arabia), Arabic (Syria), Arabic (Tunisia), Arabic (United Arab
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# Emirates), Arabic (Yemen)
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43 : {0 : 'hy'}, # Armenian
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77 : {0 : 'as'}, # Assamese
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44 : {0 : 'az'}, # "Azeri (IANA: Azerbaijani)
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45 : {0 : 'eu'}, # Basque
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35 : {0 : 'be'}, # Belarusian
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69 : {0 : 'bn'}, # Bengali
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2 : {0 : 'bg'}, # Bulgarian
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3 : {0 : 'ca'}, # Catalan
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4 : {0 : 'zh' , 3 : 'zh-hk' , 2 : 'zh-cn' , 4 : 'zh-sg' , 1 : 'zh-tw'},
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# Chinese, Chinese (Hong Kong), Chinese (PRC), Chinese (Singapore), Chinese (Taiwan)
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26 : {0 : 'hr', 3 : 'sr'}, # Croatian, Serbian
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5 : {0 : 'cs'}, # Czech
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6 : {0 : 'da'}, # Danish
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19 : {0: 'nl', 1 : 'nl' , 2 : 'nl-be'}, # Dutch / Flemish, Dutch (Belgium)
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9 : {0: 'en', 1 : 'en' , 3 : 'en-au' , 40 : 'en-bz' , 4 : 'en-ca' , 6 : 'en-ie' , 8 : 'en-jm' , 5 : 'en-nz' , 13 : 'en-ph' ,
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7 : 'en-za' , 11 : 'en-tt' , 2 : 'en-gb', 1 : 'en-us' , 12 : 'en-zw'},
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# English, English (Australia), English (Belize), English (Canada),
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# English (Ireland), English (Jamaica), English (New Zealand), English
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# (Philippines), English (South Africa), English (Trinidad), English
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# (United Kingdom), English (United States), English (Zimbabwe)
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37 : {0 : 'et'}, # Estonian
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56 : {0 : 'fo'}, # Faroese
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41 : {0 : 'fa'}, # Farsi / Persian
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11 : {0 : 'fi'}, # Finnish
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12 : {0 : 'fr', 1 : 'fr' , 2 : 'fr-be' , 3 : 'fr-ca' , 5 : 'fr-lu' , 6 : 'fr-mc' , 4 : 'fr-ch'},
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# French, French (Belgium), French (Canada), French (Luxembourg), French (Monaco), French (Switzerland)
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55 : {0 : 'ka'}, # Georgian
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7 : {0 : 'de', 1 : 'de' , 3 : 'de-at' , 5 : 'de-li' , 4 : 'de-lu' , 2 : 'de-ch'},
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# German, German (Austria), German (Liechtenstein), German (Luxembourg), German (Switzerland)
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8 : {0 : 'el'}, # Greek, Modern (1453-)
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71 : {0 : 'gu'}, # Gujarati
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13 : {0 : 'he'}, # Hebrew (also code 'iw'?)
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57 : {0 : 'hi'}, # Hindi
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14 : {0 : 'hu'}, # Hungarian
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15 : {0 : 'is'}, # Icelandic
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33 : {0 : 'id'}, # Indonesian
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16 : {0 : 'it', 1 : 'it' , 2 : 'it-ch'}, # Italian, Italian (Switzerland)
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17 : {0 : 'ja'}, # Japanese
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75 : {0 : 'kn'}, # Kannada
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63 : {0 : 'kk'}, # Kazakh
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87 : {0 : 'x-kok'}, # Konkani (real language code is 'kok'?)
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18 : {0 : 'ko'}, # Korean
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38 : {0 : 'lv'}, # Latvian
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39 : {0 : 'lt'}, # Lithuanian
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47 : {0 : 'mk'}, # Macedonian
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62 : {0 : 'ms'}, # Malay
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76 : {0 : 'ml'}, # Malayalam
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58 : {0 : 'mt'}, # Maltese
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78 : {0 : 'mr'}, # Marathi
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97 : {0 : 'ne'}, # Nepali
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20 : {0 : 'no'}, # Norwegian
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72 : {0 : 'or'}, # Oriya
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21 : {0 : 'pl'}, # Polish
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22 : {0 : 'pt', 2 : 'pt' , 1 : 'pt-br'}, # Portuguese, Portuguese (Brazil)
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70 : {0 : 'pa'}, # Punjabi
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23 : {0 : 'rm'}, # "Rhaeto-Romanic" (IANA: Romansh)
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24 : {0 : 'ro'}, # Romanian
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25 : {0 : 'ru'}, # Russian
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59 : {0 : 'sz'}, # "Sami (Lappish)" (not an IANA language code)
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# IANA code for "Northern Sami" is 'se'
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# 'SZ' is the IANA region code for Swaziland
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79 : {0 : 'sa'}, # Sanskrit
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27 : {0 : 'sk'}, # Slovak
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36 : {0 : 'sl'}, # Slovenian
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46 : {0 : 'sb'}, # "Sorbian" (not an IANA language code)
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# 'SB' is IANA region code for 'Solomon Islands'
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# Lower Sorbian = 'dsb'
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# Upper Sorbian = 'hsb'
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# Sorbian Languages = 'wen'
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10 : {0 : 'es' , 4 : 'es' , 44 : 'es-ar' , 64 : 'es-bo' , 52 : 'es-cl' , 36 : 'es-co' , 20 : 'es-cr' , 28 : 'es-do' ,
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48 : 'es-ec' , 68 : 'es-sv' , 16 : 'es-gt' , 72 : 'es-hn' , 8 : 'es-mx' , 76 : 'es-ni' , 24 : 'es-pa' ,
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60 : 'es-py' , 40 : 'es-pe' , 80 : 'es-pr' , 56 : 'es-uy' , 32 : 'es-ve'},
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# Spanish, Spanish (Mobipocket bug?), Spanish (Argentina), Spanish
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# (Bolivia), Spanish (Chile), Spanish (Colombia), Spanish (Costa Rica),
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# Spanish (Dominican Republic), Spanish (Ecuador), Spanish (El
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# Salvador), Spanish (Guatemala), Spanish (Honduras), Spanish (Mexico),
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# Spanish (Nicaragua), Spanish (Panama), Spanish (Paraguay), Spanish
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# (Peru), Spanish (Puerto Rico), Spanish (Uruguay), Spanish (Venezuela)
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48 : {0 : 'sx'}, # "Sutu" (not an IANA language code)
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# "Sutu" is another name for "Southern Sotho"?
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# IANA code for "Southern Sotho" is 'st'
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65 : {0 : 'sw'}, # Swahili
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29 : {0 : 'sv' , 1 : 'sv' , 8 : 'sv-fi'}, # Swedish, Swedish (Finland)
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73 : {0 : 'ta'}, # Tamil
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68 : {0 : 'tt'}, # Tatar
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74 : {0 : 'te'}, # Telugu
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30 : {0 : 'th'}, # Thai
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49 : {0 : 'ts'}, # Tsonga
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50 : {0 : 'tn'}, # Tswana
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31 : {0 : 'tr'}, # Turkish
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34 : {0 : 'uk'}, # Ukrainian
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32 : {0 : 'ur'}, # Urdu
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67 : {0 : 'uz', 2 : 'uz'}, # Uzbek
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42 : {0 : 'vi'}, # Vietnamese
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52 : {0 : 'xh'}, # Xhosa
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53 : {0 : 'zu'}, # Zulu
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}
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lang = "en"
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if langID in mobilangdict:
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subdict = mobilangdict[langID]
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lang = subdict[0]
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if sublangID in subdict:
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lang = subdict[sublangID]
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return lang
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def toHex(byteList):
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return binascii.hexlify(byteList)
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# returns base32 bytestring
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def toBase32(value, npad=4):
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digits = b'0123456789ABCDEFGHIJKLMNOPQRSTUV'
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num_string=b''
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current = value
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while current != 0:
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next, remainder = divmod(current, 32)
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rem_string = digits[remainder:remainder+1]
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num_string = rem_string + num_string
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current=next
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if num_string == b'':
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num_string = b'0'
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pad = npad - len(num_string)
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if pad > 0:
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num_string = b'0' * pad + num_string
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return num_string
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# converts base32 string to value
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def fromBase32(str_num):
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if isinstance(str_num, text_type):
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str_num = str_num.encode('latin-1')
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scalelst = [1,32,1024,32768,1048576,33554432,1073741824,34359738368]
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value = 0
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j = 0
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n = len(str_num)
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scale = 0
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for i in range(n):
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c = str_num[n-i-1:n-i]
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if c in b'0123456789':
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v = ord(c) - ord(b'0')
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else:
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v = ord(c) - ord(b'A') + 10
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if j < len(scalelst):
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scale = scalelst[j]
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else:
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scale = scale * 32
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j += 1
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if v != 0:
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value = value + (v * scale)
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return value
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# note: if decode a bytestring using 'latin-1' (or any other 0-255 encoding)
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# in place of ascii you will get a byte to half-word or integer
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# one to one mapping of values from 0 - 255
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def mangle_fonts(encryption_key, data):
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if isinstance(encryption_key, text_type):
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encryption_key = encryption_key.encode('latin-1')
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crypt = data[:1024]
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key = cycle(iter(map(bord, encryption_key)))
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# encrypt = ''.join([chr(ord(x)^key.next()) for x in crypt])
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encrypt = b''.join([bchr(bord(x)^next(key)) for x in crypt])
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return encrypt + data[1024:]
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