Windows: copy DLLs to avoid conflicts

PyEnchant is distributed with older versions of DLLs that are in the PyGObject package.

src/photini/__init__.py

@@ -2,6 +2,6 @@
 
 from __future__ import unicode_literals
 
-__version__ = '15.10.0.dev364'
+__version__ = '15.10.0'
 _dev_no = '364'
 _commit = 'c0decf3'

src/photini/spelling.py

@@ -21,7 +21,29 @@
 
 from __future__ import unicode_literals
 
+import os
 import re
+import shutil
+import site
+import sys
+
+# avoid "dll Hell" on Windows by copying PyGObject's copies of some dlls
+if sys.platform == 'win32':
+    enchant_dir = None
+    gnome_dir = None
+    for name in site.getsitepackages():
+        dir_name = os.path.join(name, 'enchant')
+        if os.path.isdir(dir_name):
+            enchant_dir = dir_name
+        dir_name = os.path.join(name, 'gnome')
+        if os.path.isdir(dir_name):
+            gnome_dir = dir_name
+    if enchant_dir and gnome_dir:
+        for name in (
+                'libenchant-1.dll', 'libglib-2.0-0.dll', 'libgmodule-2.0-0.dll'):
+            src = os.path.join(gnome_dir, name)
+            if os.path.exists(src):
+                shutil.copy(src, enchant_dir)
 
 try:
     import enchant

src/windows/README.txt

@@ -15,7 +15,7 @@ Brief notes.  (-:
    pip, pkginfo, pyqt4, pywin32, setuptools, wheel, winpython
 6/ Install All-In-One PyGI/PyGObject for Windows from http://sourceforge.net/projects/pygobjectwin32/files/
    Add the Photini/src/windows/WinPython Python as a "portable Python" installation
-   Select "Base packages" and "Gexiv2" packages
+   Select "Base packages" and "Gexiv2" packages, then "Enchant-extra-dicts" non-GNOME library
 7/ Run WinPython Command Prompt.exe to open a shell, then navigate to the Photini root directory
    a/ Run "pip install -U appdirs six flickrapi keyring"
    b/ Run "python setup.py build"