python GSM 7bit 编码
"""
PDU 7-bit 编码
第一个字符，去掉最高位，将第二个字符的最低位移入第一个字符的最高位。
第二个字符，右移1位，去掉最高2位，将第三个字符的最低2位移入第二个字符的最高2位。
第三个字符，右移2位，去掉最高3位，将第四个字符的最低3位移入第三个字符的最高3位。
以此类推，到第八个字符，右移7位，因位移前最高位是0，也就相当于空出第八个字符。
""" gsm7_regular_decode_dict = { '\x00': u'\u0040', # COMMERCIAL AT '\x01': u'\u00A3', # POUND SIGN '\x02': u'\u0024', # DOLLAR SIGN '\x03': u'\u00A5', # YEN SIGN '\x04': u'\u00E8', # LATIN SMALL LETTER E WITH GRAVE '\x05': u'\u00E9', # LATIN SMALL LETTER E WITH ACUTE '\x06': u'\u00F9', # LATIN SMALL LETTER U WITH GRAVE '\x07': u'\u00EC', # LATIN SMALL LETTER I WITH GRAVE '\x08': u'\u00F2', # LATIN SMALL LETTER O WITH GRAVE '\x09': u'\u00C7', # LATIN CAPITAL LETTER C WITH CEDILLA # The Unicode page suggests this is a mistake: but # it's still in the latest version of the spec and # our implementation has to be exact. '\x0A': u'\u000A', # LINE FEED '\x0B': u'\u00D8', # LATIN CAPITAL LETTER O WITH STROKE '\x0C': u'\u00F8', # LATIN SMALL LETTER O WITH STROKE '\x0D': u'\u000D', # CARRIAGE RETURN '\x0E': u'\u00C5', # LATIN CAPITAL LETTER A WITH RING ABOVE '\x0F': u'\u00E5', # LATIN SMALL LETTER A WITH RING ABOVE '\x10': u'\u0394', # GREEK CAPITAL LETTER DELTA '\x11': u'\u005F', # LOW LINE '\x12': u'\u03A6', # GREEK CAPITAL LETTER PHI '\x13': u'\u0393', # GREEK CAPITAL LETTER GAMMA '\x14': u'\u039B', # GREEK CAPITAL LETTER LAMDA '\x15': u'\u03A9', # GREEK CAPITAL LETTER OMEGA '\x16': u'\u03A0', # GREEK CAPITAL LETTER PI '\x17': u'\u03A8', # GREEK CAPITAL LETTER PSI '\x18': u'\u03A3', # GREEK CAPITAL LETTER SIGMA '\x19': u'\u0398', # GREEK CAPITAL LETTER THETA '\x1A': u'\u039E', # GREEK CAPITAL LETTER XI '\x1C': u'\u00C6', # LATIN CAPITAL LETTER AE '\x1D': u'\u00E6', # LATIN SMALL LETTER AE '\x1E': u'\u00DF', # LATIN SMALL LETTER SHARP S (German) '\x1F': u'\u00C9', # LATIN CAPITAL LETTER E WITH ACUTE '\x20': u'\u0020', # SPACE '\x21': u'\u0021', # EXCLAMATION MARK '\x22': u'\u0022', # QUOTATION MARK '\x23': u'\u0023', # NUMBER SIGN '\x24': u'\u00A4', # CURRENCY SIGN '\x25': u'\u0025', # PERCENT SIGN '\x26': u'\u0026', # AMPERSAND '\x27': u'\u0027', # APOSTROPHE '\x28': u'\u0028', # LEFT PARENTHESIS '\x29': u'\u0029', # RIGHT PARENTHESIS '\x2A': u'\u002A', # ASTERISK '\x2B': u'\u002B', # PLUS SIGN '\x2C': u'\u002C', # COMMA '\x2D': u'\u002D', # HYPHEN-MINUS '\x2E': u'\u002E', # FULL STOP '\x2F': u'\u002F', # SOLIDUS '\x30': u'\u0030', # DIGIT ZERO '\x31': u'\u0031', # DIGIT ONE '\x32': u'\u0032', # DIGIT TWO '\x33': u'\u0033', # DIGIT THREE '\x34': u'\u0034', # DIGIT FOUR '\x35': u'\u0035', # DIGIT FIVE '\x36': u'\u0036', # DIGIT SIX '\x37': u'\u0037', # DIGIT SEVEN '\x38': u'\u0038', # DIGIT EIGHT '\x39': u'\u0039', # DIGIT NINE '\x3A': u'\u003A', # COLON '\x3B': u'\u003B', # SEMICOLON '\x3C': u'\u003C', # LESS-THAN SIGN '\x3D': u'\u003D', # EQUALS SIGN '\x3E': u'\u003E', # GREATER-THAN SIGN '\x3F': u'\u003F', # QUESTION MARK '\x40': u'\u00A1', # INVERTED EXCLAMATION MARK '\x41': u'\u0041', # LATIN CAPITAL LETTER A '\x42': u'\u0042', # LATIN CAPITAL LETTER B '\x43': u'\u0043', # LATIN CAPITAL LETTER C '\x44': u'\u0044', # LATIN CAPITAL LETTER D '\x45': u'\u0045', # LATIN CAPITAL LETTER E '\x46': u'\u0046', # LATIN CAPITAL LETTER F '\x47': u'\u0047', # LATIN CAPITAL LETTER G '\x48': u'\u0048', # LATIN CAPITAL LETTER H '\x49': u'\u0049', # LATIN CAPITAL LETTER I '\x4A': u'\u004A', # LATIN CAPITAL LETTER J '\x4B': u'\u004B', # LATIN CAPITAL LETTER K '\x4C': u'\u004C', # LATIN CAPITAL LETTER L '\x4D': u'\u004D', # LATIN CAPITAL LETTER M '\x4E': u'\u004E', # LATIN CAPITAL LETTER N '\x4F': u'\u004F', # LATIN CAPITAL LETTER O '\x50': u'\u0050', # LATIN CAPITAL LETTER P '\x51': u'\u0051', # LATIN CAPITAL LETTER Q '\x52': u'\u0052', # LATIN CAPITAL LETTER R '\x53': u'\u0053', # LATIN CAPITAL LETTER S '\x54': u'\u0054', # LATIN CAPITAL LETTER T '\x55': u'\u0055', # LATIN CAPITAL LETTER U '\x56': u'\u0056', # LATIN CAPITAL LETTER V '\x57': u'\u0057', # LATIN CAPITAL LETTER W '\x58': u'\u0058', # LATIN CAPITAL LETTER X '\x59': u'\u0059', # LATIN CAPITAL LETTER Y '\x5A': u'\u005A', # LATIN CAPITAL LETTER Z '\x5B': u'\u00C4', # LATIN CAPITAL LETTER A WITH DIAERESIS '\x5C': u'\u00D6', # LATIN CAPITAL LETTER O WITH DIAERESIS '\x5D': u'\u00D1', # LATIN CAPITAL LETTER N WITH TILDE '\x5E': u'\u00DC', # LATIN CAPITAL LETTER U WITH DIAERESIS '\x5F': u'\u00A7', # SECTION SIGN '\x60': u'\u00BF', # INVERTED QUESTION MARK '\x61': u'\u0061', # LATIN SMALL LETTER A '\x62': u'\u0062', # LATIN SMALL LETTER B '\x63': u'\u0063', # LATIN SMALL LETTER C '\x64': u'\u0064', # LATIN SMALL LETTER D '\x65': u'\u0065', # LATIN SMALL LETTER E '\x66': u'\u0066', # LATIN SMALL LETTER F '\x67': u'\u0067', # LATIN SMALL LETTER G '\x68': u'\u0068', # LATIN SMALL LETTER H '\x69': u'\u0069', # LATIN SMALL LETTER I '\x6A': u'\u006A', # LATIN SMALL LETTER J '\x6B': u'\u006B', # LATIN SMALL LETTER K '\x6C': u'\u006C', # LATIN SMALL LETTER L '\x6D': u'\u006D', # LATIN SMALL LETTER M '\x6E': u'\u006E', # LATIN SMALL LETTER N '\x6F': u'\u006F', # LATIN SMALL LETTER O '\x70': u'\u0070', # LATIN SMALL LETTER P '\x71': u'\u0071', # LATIN SMALL LETTER Q '\x72': u'\u0072', # LATIN SMALL LETTER R '\x73': u'\u0073', # LATIN SMALL LETTER S '\x74': u'\u0074', # LATIN SMALL LETTER T '\x75': u'\u0075', # LATIN SMALL LETTER U '\x76': u'\u0076', # LATIN SMALL LETTER V '\x77': u'\u0077', # LATIN SMALL LETTER W '\x78': u'\u0078', # LATIN SMALL LETTER X '\x79': u'\u0079', # LATIN SMALL LETTER Y '\x7A': u'\u007A', # LATIN SMALL LETTER Z '\x7B': u'\u00E4', # LATIN SMALL LETTER A WITH DIAERESIS '\x7C': u'\u00F6', # LATIN SMALL LETTER O WITH DIAERESIS '\x7D': u'\u00F1', # LATIN SMALL LETTER N WITH TILDE '\x7E': u'\u00FC', # LATIN SMALL LETTER U WITH DIAERESIS '\x7F': u'\u00E0', # LATIN SMALL LETTER A WITH GRAVE } # default GSM 03.38 escaped characters -> unicode gsm7_escape_decode_dict = { '\x0A': u'\u000C', # FORM FEED '\x14': u'\u005E', # CIRCUMFLEX ACCENT '\x28': u'\u007B', # LEFT CURLY BRACKET '\x29': u'\u007D', # RIGHT CURLY BRACKET '\x2F': u'\u005C', # REVERSE SOLIDUS '\x3C': u'\u005B', # LEFT SQUARE BRACKET '\x3D': u'\u007E', # TILDE '\x3E': u'\u005D', # RIGHT SQUARE BRACKET '\x40': u'\u007C', # VERTICAL LINE '\x65': u'\u20AC', # EURO SIGN } # Replacement characters, default is question mark. Used when it is not too # important to ensure exact UTF-8 -> GSM -> UTF-8 equivilence, such as when # humans read and write SMS. But for USSD and other M2M applications it's # important to ensure the conversion is exact. gsm7_replace_encode_dict = { u'\u00E7': '\x09', # LATIN SMALL LETTER C WITH CEDILLA u'\u0391': '\x41', # GREEK CAPITAL LETTER ALPHA u'\u0392': '\x42', # GREEK CAPITAL LETTER BETA u'\u0395': '\x45', # GREEK CAPITAL LETTER EPSILON u'\u0397': '\x48', # GREEK CAPITAL LETTER ETA u'\u0399': '\x49', # GREEK CAPITAL LETTER IOTA u'\u039A': '\x4B', # GREEK CAPITAL LETTER KAPPA u'\u039C': '\x4D', # GREEK CAPITAL LETTER MU u'\u039D': '\x4E', # GREEK CAPITAL LETTER NU u'\u039F': '\x4F', # GREEK CAPITAL LETTER OMICRON u'\u03A1': '\x50', # GREEK CAPITAL LETTER RHO u'\u03A4': '\x54', # GREEK CAPITAL LETTER TAU u'\u03A7': '\x58', # GREEK CAPITAL LETTER CHI u'\u03A5': '\x59', # GREEK CAPITAL LETTER UPSILON u'\u0396': '\x5A', # GREEK CAPITAL LETTER ZETA } gsm7 = gsm7_regular_decode_dict gsm7t = dict(zip(gsm7.values(), gsm7.keys()))