Fix: getting __file__ attribute for modules pythoncom and pywintypes.

PyInstaller/build.py

@@ -1631,7 +1631,7 @@ def assemble(self):
         os.makedirs(self.name)
         toc = add_suffix_to_extensions(self.toc)
         for inm, fnm, typ in toc:
-            if not os.path.isfile(fnm) and is_path_to_egg(fnm):
+            if not os.path.exists(fnm) or not os.path.isfile(fnm) and is_path_to_egg(fnm):
                 # file is contained within python egg, it is added with the egg
                 continue
             if os.pardir in os.path.normpath(inm) or os.path.isabs(inm):

PyInstaller/hooks/hook-pythoncom.py

@@ -16,9 +16,17 @@
 """
 
 import os.path
-from PyInstaller.utils.hooks import hookutils
+from PyInstaller.utils.hooks.hookutils import get_module_file_attribute
 
-# Absolute path of the corresponding DLL. On importation, this module
-# dynamically imports and replaces itself in memory with this DLL.
-_dll_file = hookutils.get_pywin32_module_file_attribute('pythoncom')
-binaries = [(os.path.basename(_dll_file), _dll_file)]
+_pth = get_module_file_attribute('pythoncom')
+
+# Binaries that should be included with the module 'pythoncom'.
+# List mod.pyinstaller_binaries gets extended.
+binaries = [
+    (
+        # Relative path in the ./dist/app_name/ directory.
+        os.path.basename(_pth),
+        # Absolute path on hard disk.
+        _pth,
+    )
+]

PyInstaller/hooks/hook-pywintypes.py

@@ -16,9 +16,7 @@
 """
 
 import os.path
-from PyInstaller.utils.hooks import hookutils
+from PyInstaller.utils.hooks.hookutils import get_module_file_attribute
 
-# Absolute path of the corresponding DLL. On importation, this module
-# dynamically imports and replaces itself in memory with this DLL.
-_dll_file = hookutils.get_pywin32_module_file_attribute('pywintypes')
-binaries = [(os.path.basename(_dll_file), _dll_file)]
+_pth = get_module_file_attribute('pywintypes')
+binaries = [(os.path.basename(_pth), _pth)]