Improve setup.py

setup.py

@@ -2,21 +2,29 @@
 import os
 from setuptools import setup
 
+
+package_dir = os.path.join(os.path.dirname(__file__), 'mcu_info_util')
+data_files = []
+for root, dirs, files in os.walk(os.path.join(package_dir, 'metadata')):
+    data_files += [os.path.join(root, file) for file in files]
+data_files = [os.path.relpath(data_file, package_dir) for data_file in data_files]
+
+
 setup(
-	name='mcu-info-util',
-	version='0.1',
-	author='Ivan Kolesnikov',
-	author_email='kiv.apple@gmail.com',
-	url='https://github.com/KivApple/mcu-info-util',
-	packages=['mcu_info_util'],
-	package_dir={'mcu_info_util': 'mcu_info_util'},
-	package_data={'mcu_info_util': ['metadata/*', 'metadata/*/*', 'metadata/*/*/*', 'metadata/*/*/*/*']},
-	entry_points={
-		'console_scripts': [
-			'mcu-info-util = mcu_info_util.__main__:main'
-		]
-	},
-	install_requires=[
-		'six'
-	]
+    name='mcu-info-util',
+    version='0.1',
+    author='Ivan Kolesnikov',
+    author_email='kiv.apple@gmail.com',
+    url='https://github.com/KivApple/mcu-info-util',
+    packages=['mcu_info_util'],
+    package_dir={'mcu_info_util': 'mcu_info_util'},
+    package_data={'mcu_info_util': data_files},
+    entry_points={
+        'console_scripts': [
+            'mcu-info-util = mcu_info_util.__main__:main'
+        ]
+    },
+    install_requires=[
+        'six'
+    ]
 )