#-----------------------------------------------------------------------------
# Copyright (c) 2013-2017, PyInstaller Development Team.
#
# Distributed under the terms of the GNU General Public License with exception
# for distributing bootloader.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------


# The win32.client.gencache code must be allowed to create the cache in %temp%
# (user's temp). It is necessary to get the gencache code to use a suitable
# directory other than the default in lib\site-packages\win32com\client\gen_py.
# PyInstaller does not provide this directory structure and the frozen
# executable could be placed in a non-writable directory like 'C:\Program Files.
# That's the reason for %temp% directory.
#
# http://www.py2exe.org/index.cgi/UsingEnsureDispatch


import atexit
import os
import shutil
import tempfile


# Put gen_py cache in temp directory.
supportdir = tempfile.mkdtemp()
# gen_py has to be put into directory 'gen_py'.
genpydir = os.path.join(supportdir, 'gen_py')


# Create 'gen_py' directory. This directory does not need
# to contain '__init__.py' file.
try:
    # win32com gencache cannot be put directly to 'supportdir' with any
    # random name. It has to be put in a directory called 'gen_py'.
    # This is the reason why to create this directory in supportdir'.
    os.makedirs(genpydir)
    # Remove temp directory at application exit and ignore any errors.
    atexit.register(shutil.rmtree, supportdir, ignore_errors=True)
except OSError:
    pass


# Override the default path to gen_py cache.
import win32com
win32com.__gen_path__ = genpydir


# The attribute __loader__ makes module 'pkg_resources' working but On Windows
# it breaks pywin32 (win32com) and test 'basic/test_pyttsx' will fail. Just
# removing that attribute for win32com fixes that and gencache is created properly.
if hasattr(win32com, '__loader__'):
    del win32com.__loader__


# Ensure genpydir is in 'gen_py' module paths.
import win32com.gen_py
win32com.gen_py.__path__.insert(0, genpydir)
