"""

Special physical display subclass that handles custom and special characters

"""

_ascii_translations = {'\x00': 0,

'\x01': 1,

'\x02': 2,

'\x03': 3,

'\x04': 4,

'\x05': 5,

'\x06': 6,

'\x07': 7,

unicode('\xc2\xa6', 'utf-8'): 8,

unicode('\xc2\xb0', 'utf-8'): 9,

unicode('\xc3\x84', 'utf-8'): 10,

unicode('\xc3\x87', 'utf-8'): 11,

unicode('\xc3\x96', 'utf-8'): 12,

unicode('\xc3\x9c', 'utf-8'): 13,

unicode('\xc3\x9f', 'utf-8'): 14,

unicode('\xc3\xa0', 'utf-8'): 15,

unicode('\xc3\xa4', 'utf-8'): 16,

unicode('\xc3\xa7', 'utf-8'): 17,

unicode('\xc3\xa8', 'utf-8'): 18,

unicode('\xc3\xa9', 'utf-8'): 19,

unicode('\xc3\xaa', 'utf-8'): 20,

unicode('\xc3\xae', 'utf-8'): 21,

unicode('\xc3\xb1', 'utf-8'): 22,

unicode('\xc3\xb6', 'utf-8'): 23,

unicode('\xc3\xb7', 'utf-8'): 24,

unicode('\xc3\xb8', 'utf-8'): 25,

unicode('\xc3\xbc', 'utf-8'): 26,

unicode('\xd1\x8c', 'utf-8'): 27,

'\x1b': 27,

'\x1c': 28,

'\x1d': 29,

'\x1e': 30,

'\x1f': 31,

' ': 32,

'!': 33,

'"': 34,

'#': 35,

'$': 36,

'%': 37,

'&': 38,

"'": 39,

'(': 40,

')': 41,

'*': 42,

'+': 43,

',': 44,

'-': 45,

'.': 46,

'/': 47,

'0': 48,

'1': 49,

'2': 50,

'3': 51,

'4': 52,

'5': 53,

'6': 54,

'7': 55,

'8': 56,

'9': 57,

':': 58,

';': 59,

'<': 60,

'=': 61,

'>': 62,

'?': 63,

'@': 64,

'A': 65,

'B': 66,

'C': 67,

'D': 68,

'E': 69,

'F': 70,

'G': 71,

'H': 72,

'I': 73,

'J': 74,

'K': 75,

'L': 76,

'M': 77,

'N': 78,

'O': 79,

'P': 80,

'Q': 81,

'R': 82,

'S': 83,

'T': 84,

'U': 85,

'V': 86,

'W': 87,

'X': 88,

'Y': 89,

'Z': 90,

'[': 91,

'\\': 92,

']': 93,

'^': 94,

'_': 95,

'`': 96,

'a': 97,

'b': 98,

'c': 99,

'd': 100,

'e': 101,

'f': 102,

'g': 103,

'h': 104,

'i': 105,

'j': 106,

'k': 107,

'l': 108,

'm': 109,

'n': 110,

'o': 111,

'p': 112,

'q': 113,

'r': 114,

's': 115,

't': 116,

'u': 117,

'v': 118,

'w': 119,

'x': 120,

'y': 121,

'z': 122,

'{': 125,

'|': 124,

'}': 125,

'~': 126,

'\x7f': 127}

def set_num_segments(self, num_segments):

PUSH_SEGMENTS = [1,

2,

4,

8]

if not num_segments in PUSH_SEGMENTS:

raise AssertionError

num_segments != self.num_segments and super(SpecialPhysicalDisplay, self).set_num_segments(num_segments, use_delimiters=num_segments > 2)

if num_segments == 8:

for index in xrange(1, num_segments, 2):

self.segment(index).set_position_identifier((32,))

def _translate_string(self, string):

if len(string) >= 18:

without_gaps = flatten([ g[:-1] for g in group(string, 18) ])

string = ''.join(ifilter(bool, without_gaps))

return super(SpecialPhysicalDisplay, self)._translate_string(string)