module_locator.py

# -*- coding: utf-8 -*-
import os
import sys
import codecs

ENCODING = 'utf-8'
ENCODING1 = 'gb18030'
def dec(aStr):
    gb18030_encode, gb18030_decode, gb18030_reader, gb18030_writer =  codecs.lookup(ENCODING)
    text, length = gb18030_decode(aStr, 'replace')
    return text
def enc(aStr):
    gb18030_encode, gb18030_decode, gb18030_reader, gb18030_writer =  codecs.lookup(ENCODING)
    text, length = gb18030_encode(aStr, 'replace')
    return text
def dec1(aStr):
    gb18030_encode, gb18030_decode, gb18030_reader, gb18030_writer =  codecs.lookup(ENCODING1)
    text, length = gb18030_decode(aStr, 'replace')
    return text
def enc1(aStr):
    gb18030_encode, gb18030_decode, gb18030_reader, gb18030_writer =  codecs.lookup(ENCODING1)
    text, length = gb18030_encode(aStr, 'replace')
    return text

def we_are_frozen():
    # All of the modules are built-in to the interpreter, e.g., by py2exe
    return hasattr(sys, "frozen")

def module_path():
    encoding = sys.getfilesystemencoding()
    if we_are_frozen():
        return os.path.dirname(unicode(sys.executable, encoding))
    return os.path.dirname(unicode(__file__, encoding))