Added pyinstaller hook for stix2 module

monkey/monkey_island/monkey_island.spec

@@ -19,7 +19,7 @@ def main():
     a = Analysis(['cc/main.py'],
                  pathex=['..'],
                  hiddenimports=get_hidden_imports(),
-                 hookspath=None,
+                 hookspath=[os.path.join(".", "pyinstaller_hooks")],
                  runtime_hooks=None,
                  binaries=None,
                  datas=added_datas,

monkey/monkey_island/pyinstaller_hooks/hook-stix2.py

@@ -0,0 +1,7 @@
+# Workaround for packaging Monkey Island using PyInstaller. See https://github.com/oasis-open/cti-python-stix2/issues/218
+
+import os
+from PyInstaller.utils.hooks import get_module_file_attribute
+
+stix2_dir = os.path.dirname(get_module_file_attribute('stix2'))
+datas = [(stix2_dir, 'stix2')]