1 vcard_string_list = []
   2 first_name = context.getFirstName()
   3 last_name = context.getLastName()
   4 tel = context.getDefaultTelephoneTelephoneNumber()
   5 
   6 if same_type(first_name, u'a'):
   7   first_name = first_name.encode('utf-8')
   8 if same_type(last_name, u'a'):
   9   last_name = last_name.encode('utf-8')
  10 if same_type(tel, u'a') :
  11   tel = tel.encode('utf-8')
  12 
  13 parameters_FN = ''
  14 parameters_N = ''
  15 
  16 try:
  17   first_name.encode('utf-8')
  18 except:
  19   parameters_FN = ';ENCODING=QUOTED-PRINTABLE;CHARSET=UTF-8'
  20 
  21 try:
  22   last_name.encode('utf-8')
  23 except:
  24   parameters_N = ';ENCODING=QUOTED-PRINTABLE;CHARSET=UTF-8'
  25 
  26 append = vcard_string_list.append
  27 append('BEGIN:VCARD\n')
  28 append('VERSION:2.1\n')
  29 if first_name not in (None, ''):
  30   append('FN%s:%s\n' % (parameters_FN, first_name))
  31 if last_name not in (None, ''):
  32   if parameters_N == '':
  33     parameters = parameters_FN
  34   else:
  35     parameters = parameters_N
  36   append('N%s:%s;%s;;;\n' % (parameters, last_name, first_name))
  37 else:
  38   append('N%s:;%s;;;\n' % (parameters_N, first_name)) #if there is no last name, we put first name another time
  39 if tel not in (None, ''):
  40   append('TEL:%s\n' % tel)
  41 append('END:VCARD')
  42 
  43 return "".join(vcard_string_list)