add haarcascade xml files to the package

.travis.yml

@@ -203,6 +203,7 @@ before_install:
     - source multibuild/travis_steps.sh
     - python find_version.py
     - cp LICENSE*.txt cv2/
+    - cp opencv/data/haarcascades/*.xml cv2/data/
     - before_install
 
 install:

appveyor/build.cmd

@@ -26,6 +26,7 @@ if %PYTHON_VERSION% LSS 3 xcopy "%APPVEYOR_BUILD_FOLDER%\opencv\%BUILD_DIR%\lib\
 
 xcopy "%APPVEYOR_BUILD_FOLDER%\opencv\%BUILD_DIR%\bin\Release\*.dll" .\cv2 /I
 xcopy "%APPVEYOR_BUILD_FOLDER%\LICENSE*.txt" .\cv2 /I
+xcopy "%APPVEYOR_BUILD_FOLDER%\opencv\data\haarcascades\*.xml" .\cv2\data /I
 
 dir
 

cv2/__init__.py

 import importlib
+import os
 
-# make IDE's (PyCharm) autocompletion happy
 from .cv2 import *
+from .data import *
 
 # wildcard import above does not import "private" variables like __version__
 # this makes them available
-globals().update(importlib.import_module('cv2.cv2').__dict__)
\ No newline at end of file
+globals().update(importlib.import_module('cv2.cv2').__dict__)

cv2/data/__init__.py

+import os
+
+haarcascades = os.path.join(os.path.dirname(__file__), '')

setup.py

-from setuptools import setup
+from setuptools import setup, find_packages
 from setuptools.dist import Distribution
 import pip
 import os
@@ -49,6 +49,7 @@ else:
     package_data['cv2'] = ['*.pyd', '*.dll']
 
 package_data['cv2'] += ["LICENSE.txt", "LICENSE-3RD-PARTY.txt"]
+package_data[''] = ['*.xml']
 
 """
 
@@ -80,7 +81,7 @@ setup(name=package_name,
       license='MIT',
       description='Wrapper package for OpenCV python bindings.',
       long_description=long_description,
-      packages=['cv2'],
+      packages=find_packages(),
       package_data=package_data,
       maintainer="Olli-Pekka Heinisuo",
       include_package_data=True,