[#95] Fix inlite barcode reader when frozen

inselect/gui/plugins/barcode.py

@@ -87,7 +87,12 @@ def _decode_barcodes(self, engine, crop, progress):
             result = strategy(crop, engine)
             if result:
                 strategy, barcodes = result
-                return ' '.join(sorted([b.data.decode() for b in barcodes]))
+                # data could be either str or bytes
+                barcodes = (
+                    b.data.decode() if hasattr(b.data, 'decode') else b.data
+                    for b in barcodes
+                )
+                return ' '.join(sorted([value for value in barcodes]))
         return None
 
     @classmethod

inselect/lib/utils.py

@@ -44,6 +44,14 @@ def fix_frozen_dll_path():
         from ctypes import windll
         windll.kernel32.SetDllDirectoryW(str(Path(sys.executable).parent))
 
+        # gencache does not realise that it is frozen and will not have write
+        # access to the dicts.dat file. These hacks are to prevent gencache
+        # from atempting to write to dicts.dat.
+        # Evil, evil, evil
+        import win32com.client.gencache
+        win32com.client.gencache.is_readonly = True
+        win32com.client.gencache.AddModuleToCache.__defaults__ = (1, False)
+
 
 def get_default_locale():
     """Returns cached result of locale.getdefaultlocale()

setup.py

@@ -85,12 +85,17 @@
         ],
         # Strings in braces within 'include_files' tuples expanded in cx_setup
         'include_files': [
+            # Evil, evil, evil
+            # cx_Freeze breaks pywintypes and pythoncom on Python 3.5
+            # https://bitbucket.org/anthony_tuininga/cx_freeze/issues/194/error-with-frozen-executable-using-35-and
+            ('{environment_root}/Lib/site-packages/win32/lib/pywintypes.py', 'pywintypes.py'),
+            ('{environment_root}/Lib/site-packages/pythoncom.py', 'pythoncom.py'),
             ('{environment_root}/Library/bin/mkl_core.dll', 'mkl_core.dll'),
             ('{environment_root}/Library/bin/mkl_intel_thread.dll', 'mkl_intel_thread.dll'),
             ('{environment_root}/Library/bin/libiomp5md.dll', 'libiomp5md.dll'),
             ('{project_root}/inselect/gui/inselect.qss', 'inselect.qss'),
         ],
-        'extra_packages': ['win32com.gen_py'],
+        'extra_packages': ['win32com.gen_py', 'win32timezone'],
         'excludes': [
             'Tkinter', 'ttk', 'Tkconstants', 'tcl', '_ssl',
         ]