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lcdproc
piradio-mini/translate_class.py
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Pecusx aba1cf2788 Polish ń character
2016-10-30 12:07:52 +01:00

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#!/usr/bin/python
# -*- coding: latin-1 -*-
#
# Raspberry Pi Radio Character translation class
# Escaped characters, html and unicode translation to ascii
#
# $Id: translate_class.py,v 1.24 2016/04/14 06:37:56 bob Exp $
#
# Author : Bob Rathbone
# Site : http://www.bobrathbone.com
#
# License: GNU V3, See https://www.gnu.org/copyleft/gpl.html
#
# Disclaimer: Software is provided as is and absolutly no warranties are implied or given.
# The authors shall not be liable for any loss or damage however caused.
#
# Useful Links on character encodings
# http://www.zytrax.com/tech/web/entities.html
# http://www.utf8-chartable.de/
#
import os
import time
import unicodedata
from log_class import Log
log = Log()
class Translate:
displayUmlauts = True
# Escaped codes (from unicode)
codes = {
'//' : '/', # Double /
' ' : ' ', # Double spaces
'\\xa0' : ' ', # Line feed to space
'\\' : "'", # Double bacslash to apostrophe
'\\n' : ' ', # Line feed to space
# Special characters
'\\xc2\\xa1' : '!', # Inverted exclamation
'\\xc2\\xa2' : 'c', # Cent sign
'\\xc2\\xa3' : '#', # Pound sign
'\\xc2\\xa4' : '$', # Currency sign
'\\xc2\\xa5' : 'Y', # Yen sign
'\\xc2\\xa6' : '|', # Broken bar
'\\xc2\\xa7' : '?', # Section sign
'\\xc2\\xa8' : ':', # Diaerisis
'\\xc2\\xa9' : '(C)', # Copyright
'\\xc2\\xaa' : '?', # Feminal ordinal
'\\xc2\\xab' : '<<', # Double left
'\\xc2\\xac' : '-', # Not sign
'\\xc2\\xad' : '', # Soft hyphen
'\\xc2\\xae' : '(R)', # Registered sign
'\\xc2\\xaf' : '-', # Macron
'\\xc2\\xb0' : 'o', # Degrees sign
'\\xc2\\xb1' : '+-', # Plus minus
'\\xc2\\xb2' : '2', # Superscript 2
'\\xc2\\xb3' : '3', # Superscript 3
'\\xc2\\xb4' : '', # Acute accent
'\\xc2\\xb5' : 'u', # Micro sign
'\\xc2\\xb6' : '', # Pilcrow
'\\xc2\\xb7' : '.', # Middle dot
'\\xc2\\xb8' : '', # Cedilla
'\\xc2\\xb9' : '1', # Superscript 1
'\\xc2\\xba' : '', # Masculine indicator
'\\xc2\\xbb' : '>>', # Double right
'\\xc2\\xbc' : '1/4', # 1/4 fraction
'\\xc2\\xbd' : '1/2', # 1/2 Fraction
'\\xc2\\xbe' : '3/4', # 3/4 Fraction
'\\xc2\\xbf' : '?', # Inverted ?
# German unicode escape sequences
'\\xc3\\x83' : chr(223), # Sharp s es-zett
'\\xc3\\x9f' : chr(223), # Sharp s ?
'\\xc3\\xa4' : chr(228), # a umlaut
'\\xc3\\xb6' : chr(246), # o umlaut
'\\xc3\\xbc' : chr(252), # u umlaut
'\\xc3\\x84' : chr(196), # A umlaut
'\\xc3\\x96' : chr(214), # O umlaut
'\\xc3\\x9c' : chr(220), # U umlaut
# Norwegian unicode escape sequences
'\\xc3\\x98' : 'O', # Oslash
'\\xc3\\xb8' : 'o', # Oslash
'\\xc3\\x85' : 'A', # Aring
'\\xc3\\x93' : 'O', # O grave
'\\xc3\\xa5' : 'a', # aring
'\\xc3\\x86' : 'AE', # AElig
'\\xc3\\x98' : 'O', # O crossed
'\\xc3\\x99' : 'U', # U grave
'\\xc3\\xa6' : 'ae', # aelig
'\\xc3\\xb0' : 'o', # o umlaut
'\\xc3\\xb3' : 'o', # o tilde
'\\xc3\\xb8' : 'o', # oslash
'\\xc2\\x88' : 'A', # aelig
'\\xc2\\xb4' : 'A', # aelig
# French (Latin) unicode escape sequences
'\\xc3\\x80' : 'A', # A grave
'\\xc3\\x81' : 'A', # A acute
'\\xc3\\x82' : 'A', # A circumflex
'\\xc3\\x83' : 'A', # A tilde
'\\xc3\\x88' : 'E', # E grave
'\\xc3\\x89' : 'E', # E acute
'\\xc3\\x8a' : 'E', # E circumflex
'\\xc3\\xa0' : chr(224), # a grave
'\\xc3\\xa1' : chr(225), # a acute
'\\xc3\\xa2' : chr(226), # a circumflex
'\\xc3\\xa8' : chr(232), # e grave
'\\xc3\\xa9' : chr(233), # e acute
'\\xc3\\xaa' : chr(234), # e circumflex
'\\xc3\\xb6' : "'", # Hyphon
'\\xc3\\xb7' : "/", # Division sign
# Hungarian lower case
'\\xc3\\xb3' : chr(243), #
'\\xc3\\xad' : chr(237), #
'\\xc3\\xb5' : chr(245), #
'\\xc5\\x91' : chr(245), #
'\\xc5\\xb1' : chr(252), #
'\\xc3\\xba' : chr(250), # Ã
# Polish unicode escape sequences
'\\xc4\\x84' : 'A', # A,
'\\xc4\\x85' : 'a', # a,
'\\xc4\\x86' : 'C', # C'
'\\xc4\\x87' : 'c', # c'
'\\xc4\\x98' : 'E', # E,
'\\xc4\\x99' : 'e', # e,
'\\xc5\\x81' : 'L', # L/
'\\xc5\\x82' : 'l', # l/
'\\xc5\\x83' : 'N', # N'
'\\xc5\\x84' : 'n', # n'
'\\xc3\\xb1' : 'n', # n'
'\\xc5\\x9a' : 'S', # S'
'\\xc5\\x9b' : 's', # s'
'\\xc5\\xb9' : 'Z', # Z'
'\\xc5\\xba' : 'z', # z'
'\\xc5\\xbb' : 'Z', # Z.
'\\xc5\\xbc' : 'z', # z.
# Greek upper case
'\\xce\\x91' : 'A', # Alpha
'\\xce\\x92' : 'B', # Beta
'\\xce\\x93' : 'G', # Gamma
'\\xce\\x94' : 'D', # Delta
'\\xce\\x95' : 'E', # Epsilon
'\\xce\\x96' : 'Z', # Zeta
'\\xce\\x97' : 'H', # Eta
'\\xce\\x98' : 'TH', # Theta
'\\xce\\x99' : 'I', # Iota
'\\xce\\x9a' : 'K', # Kappa
'\\xce\\x9b' : 'L', # Lamda
'\\xce\\x9c' : 'M', # Mu
'\\xce\\x9e' : 'N', # Nu
'\\xce\\x9f' : 'O', # Omicron
'\\xce\\xa0' : 'Pi', # Pi
'\\xce ' : 'Pi', # Pi ?
'\\xce\\xa1' : 'R', # Rho
'\\xce\\xa3' : 'S', # Sigma
'\\xce\\xa4' : 'T', # Tau
'\\xce\\xa5' : 'Y', # Upsilon
'\\xce\\xa6' : 'F', # Fi
'\\xce\\xa7' : 'X', # Chi
'\\xce\\xa8' : 'PS', # Psi
'\\xce\\xa9' : 'O', # Omega
# Greek lower case
'\\xce\\xb1' : 'a', # Alpha
'\\xce\\xb2' : 'b', # Beta
'\\xce\\xb3' : 'c', # Gamma
'\\xce\\xb4' : 'd', # Delta
'\\xce\\xb5' : 'e', # Epsilon
'\\xce\\xb6' : 'z', # Zeta
'\\xce\\xb7' : 'h', # Eta
'\\xce\\xb8' : 'th', # Theta
'\\xce\\xb9' : 'i', # Iota
'\\xce\\xba' : 'k', # Kappa
'\\xce\\xbb' : 'l', # Lamda
'\\xce\\xbc' : 'm', # Mu
'\\xce\\xbd' : 'v', # Nu
'\\xce\\xbe' : 'ks', # Xi
'\\xce\\xbf' : 'o', # Omicron
'\\xce\\xc0' : 'p', # Pi
'\\xce\\xc1' : 'r', # Rho
'\\xce\\xc3' : 's', # Sigma
'\\xce\\xc4' : 't', # Tau
'\\xce\\xc5' : 'y', # Upsilon
'\\xce\\xc6' : 'f', # Fi
'\\xce\\xc7' : 'x', # Chi
'\\xce\\xc8' : 'ps', # Psi
'\\xce\\xc9' : 'o', # Omega
# Currency other special character
'\\xa3' : chr(156), # UK pound sign
'\\xa9' : chr(169), # Copyright
# German short hex representation
'\\xdf' : chr(223), # Sharp s es-zett
'\\xe4' : chr(228), # a umlaut
'\\xf6' : chr(246), # o umlaut
'\\xfc' : chr(252), # u umlaut
'\\xc4' : chr(196), # A umlaut
'\\xd6' : chr(214), # O umlaut
'\\xdc' : chr(220), # U umlaut
# Spanish and French
'\\xe0' : chr(224), # Small a reverse acute
'\\xe1' : chr(225), # Small a acute
'\\xe2' : chr(226), # Small audo bashcircumflex
'\\xe7' : chr(231), # Small c Cedilla
'\\xe8' : chr(232), # Small e grave
'\\xe9' : chr(233), # Small e acute
'\\xea' : chr(234), # Small e circumflex
'\\xeb' : chr(235), # Small e diarisis
'\\xed' : chr(237), # Small i acute
'\\xee' : chr(238), # Small i circumflex
'\\xf1' : chr(241), # Small n tilde
'\\xf3' : chr(243), # Small o acute
'\\xf4' : chr(244), # Small o circumflex
'\\xf9' : chr(249), # Small u circumflex
'\\xfa' : chr(250), # Small u acute
'\\xfb' : chr(251), # u circumflex
'\\xc0' : chr(192), # Small A grave
'\\xc1' : chr(193), # Capital A acute
'\\xc7' : chr(199), # Capital C Cedilla
'\\xc9' : chr(201), # Capital E acute
'\\xcd' : chr(205), # Capital I acute
'\\xd3' : chr(211), # Capital O acute
'\\xda' : chr(218), # Capital U acute
'\\xbf' : chr(191), # Spanish Punctuation
'xb0' : 'o', # Degres symbol
}
HtmlCodes = {
# Currency
chr(156) : '#', # Pound by hash
chr(169) : '(c)', # Copyright
# Norwegian
chr(216) : 'O', # Oslash
# Spanish french
chr(241) : 'n', # Small tilde n
chr(191) : '?', # Small u acute to u
chr(224) : 'a', # Small a grave to a
chr(225) : 'a', # Small a acute to a
chr(226) : 'a', # Small a circumflex to a
chr(232) : 'e', # Small e grave to e
chr(233) : 'e', # Small e acute to e
chr(234) : 'e', # Small e circumflex to e
chr(235) : 'e', # Small e diarisis to e
chr(237) : 'i', # Small i acute to i
chr(238) : 'i', # Small i circumflex to i
chr(243) : 'o', # Small o acute to o
chr(244) : 'o', # Small o circumflex to o
chr(250) : 'u', # Small u acute to u
chr(251) : 'u', # Small u circumflex to u
chr(192) : 'A', # Capital A grave to A
chr(193) : 'A', # Capital A acute to A
chr(201) : 'E', # Capital E acute to E
chr(205) : 'I', # Capital I acute to I
chr(209) : 'N', # Capital N acute to N
chr(211) : 'O', # Capital O acute to O
chr(218) : 'U', # Capital U acute to U
chr(220) : 'U', # Capital U umlaut to U
chr(231) : 'c', # Small c Cedilla
chr(199) : 'C', # Capital C Cedilla
# German
chr(196) : "Ae", # A umlaut
chr(214) : "Oe", # O umlaut
chr(220) : "Ue", # U umlaut
}
unicodes = {
'\\u201e' : '"', # ORF feed
'\\u3000' : " ",
'\\u201c' : '"',
'\\u201d' : '"',
'\\u0153' : "oe", # French oe
'\\u2009' : ' ', # Short space to space
'\\u2013' : '-', # Long dash to minus sign
'\\u2019' : "'", # French apostrophe
# Polish unicodes (I don't know why, but works :) ) (Pecus)
"'u0104" : "A", # A, (Pecus)
"'u0105" : "a", # a, (Pecus)
"'u0106" : "C", # C' (Pecus)
"'u0107" : "c", # c' (Pecus)
"'u0118" : "E", # E, (Pecus)
"'u0119" : "e", # e, (Pecus)
"'u0141" : "L", # L/ (Pecus)
"'u0142" : "l", # l/ (Pecus)
"'u0143" : "N", # N' (Pecus)
"'u0144" : "n", # n' (Pecus)
"'xd3" : "O", # O' (Pecus)
"'xf3" : "o", # o' (Pecus)
"'u015a" : "S", # S' (Pecus)
"'u015b" : "s", # s' (Pecus)
"'u0179" : "Z", # Z' (Pecus)
"'u017a" : "z", # z' (Pecus)
"'u017b" : "Z", # Z. (Pecus)
"'u017c" : "z", # z. (Pecus)
}
def __init__(self):
log.init('radio')
return
# Translate all
def all(self,text):
s = self._convert2escape(text)
s = self._escape(s)
s = self._unicode(s)
s = self._html(s)
return s
# Convert unicode to escape codes
def _convert2escape(self,text):
s = repr(text)
if s.__len__() > 2:
s= s[1:-1] # Strip ' characters
s = s.lstrip("'")
return s
# Convert escaped characters (umlauts) to normal characters
def escape(self,text):
s = self._convert2escape(text)
s = self._escape(s)
return s
# Convert escaped characters (umlauts etc.) to normal characters
def _escape(self,text):
s = text
for code in self.codes:
s = s.replace(code, self.codes[code])
s = s.replace("'oC",'oC') # Degrees C fudge
s = s.replace("'oF",'oF') # Degrees C fudge
return s
# HTML translations (callable)
def html(self,text):
s = self._html(s)
_convert_html(s)
return s
# HTML translations
def _html(self,text):
s = text
s = s.replace('&lt;', '<')
s = s.replace('&gt;', '>')
s = s.replace('&quot;', '"')
s = s.replace('&nbsp;', ' ')
s = s.replace('&amp;', '&')
s = s.replace('&copy;', '(c)')
s = s.replace('&apos;', "'") # ' in html (like RSS) (Pecus)
return s
# Convert &#nn sequences
def _convert_html(s):
c = re.findall('&#[0-9][0-9][0-9]', s)
c += re.findall('&#[0-9][0-9]', s)
for html in c:
ch = int(html.replace('&#', ''))
if ch > 31 and ch < 127:
s = s.replace(html,chr(ch))
else:
s = s.replace(html,'')
return s
# Unicodes etc (callable)
def unicode(self,text):
s = self._convert2escape(text)
s = self._unicode(s)
return s
# Unicodes etc
def _unicode(self,text):
s = text
for unicode in self.unicodes:
s = s.replace(unicode, self.unicodes[unicode])
return s
# Decode greek
def decode_greek(self,text):
s = text.decode('macgreek')
return s
# Display umlats as oe ae etc
def displayUmlauts(self,value):
self.displayUmlauts = value
return
# Translate special characters (umlautes etc) to LCD values
# See standard character patterns for LCD display
def toLCD(self,sp):
s = sp
for HtmlCode in self.HtmlCodes:
s = s.replace(HtmlCode, self.HtmlCodes[HtmlCode])
if self.displayUmlauts:
s = s.replace(chr(223), chr(226)) # Sharp s
s = s.replace(chr(246), chr(239)) # o umlaut (Problem in Hungarian?)
s = s.replace(chr(228), chr(225)) # a umlaut
s = s.replace(chr(252), chr(245)) # u umlaut (Problem in Hungarian?)
else:
s = s.replace(chr(228), "ae") # a umlaut
s = s.replace(chr(223), "ss") # Sharp s
s = s.replace(chr(246), "oe") # o umlaut
s = s.replace(chr(252), "ue") # u umlaut
return s
# End of class
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