def conv_ascii(text,context):
    """Convierte vocales accentuadas, ñ y ç a sus caracteres equivalentes ASCII"""
    old_chars = ['á','é','í','ó','ú','à','è','ì','ò','ù','ä','ë','ï','ö','ü','â','ê','î', \
        'ô','û','Á','É','Í','Ú','Ó','À','È','Ì','Ò','Ù','Ä','Ë','Ï','Ö','Ü','Â','Ê','Î',\
        'Ô','Û','ñ','Ñ','ç','Ç','ª','º', chr(176), chr(0xb0)
    ]
    new_chars = ['a','e','i','o','u','a','e','i','o','u','a','e','i','o','u','a','e','i','o',\
        'u','A','E','I','O','U','A','E','I','O','U','A','E','I','O','U','A','E','I','O','U','n',\
        'N','c','C','a','o', 'o','o'
    ]
    print "contexxxxxxxxxxxxxxrt",context
    print "...............", text
    for old, new in zip(old_chars, new_chars):
        try:
            text = text.replace(unicode(old,'UTF-8'), new)
        except:
#            text = text.replace(old, new)
#            text = "ERROR DE CODIFICACION ID"
            print "...............", text
    return text