opencc.py

import os
from ctypes.util import find_library
from ctypes import CDLL, cast, c_char_p, c_int, c_size_t, c_void_p

_libcfile = find_library('c') or 'libc.so.6'
libc = CDLL(_libcfile, use_errno=True)

_libopenccfile = os.environ.get('LIBOPENCC') or find_library('opencc')

if _libopenccfile:
  libopencc = CDLL(_libopenccfile, use_errno=True)
else:
  libopencc = CDLL('libopencc.so.1', use_errno=True)

libc.free.argtypes = [c_void_p]
libopencc.opencc_open.restype = c_void_p
libopencc.opencc_convert_utf8.argtypes = [c_void_p, c_char_p, c_size_t]
libopencc.opencc_convert_utf8.restype = c_void_p
libopencc.opencc_close.argtypes = [c_void_p]
libopencc.opencc_perror.argtypes = [c_char_p]
libopencc.opencc_dict_load.argtypes = [c_void_p, c_char_p, c_int]

CONFIGS = [
  'zhs2zhtw_p.ini', 'zhs2zhtw_v.ini', 'zhs2zhtw_vp.ini',
  'zht2zhtw_p.ini', 'zht2zhtw_v.ini', 'zht2zhtw_vp.ini',
  'zhtw2zhs.ini', 'zhtw2zht.ini', 'zhtw2zhcn_s.ini', 'zhtw2zhcn_t.ini',
  'zhs2zht.ini', 'zht2zhs.ini',
]

def convert(text, config='zht2zhs.ini'):
  assert config in CONFIGS
  od = libopencc.opencc_open(c_char_p(config))
  retv_i = libopencc.opencc_convert_utf8(od, text, len(text))
  if retv_i == -1:
    raise Exception('OpenCC Convert Error')
  retv_c = cast(retv_i, c_char_p)
  value = retv_c.value
  libc.free(retv_c)
  libopencc.opencc_close(od)
  return value

copied from https://github.com/lepture/opencc-python/blob/master/opencc/_opencc.py

test:

# coding=utf-8
from opencc import convert
print convert('簡體到繁體')