update how we include json files

gics/gics.py

@@ -2,20 +2,13 @@
 
 from gics.map import Map
 
-try:
-    import importlib.resources as pkg_resources
-except ImportError as e:
-    print(e)
-    # Try backported to PY<37 `importlib_resources`.
-    import importlib_resources as pkg_resources
-
-from . import definitions_module
+import pkgutil
 
 
 def json_to_map(path: str):
-    f = pkg_resources.open_text(definitions_module, path)
+    data = pkgutil.get_data('gics.definitions', path)
 
-    return Map.create_recursively(json.load(f))
+    return Map.create_recursively(json.loads(data))
 
 DEFINITIONS = {
     "20140228": json_to_map('20140228.json'),
@@ -46,7 +39,7 @@ def __init__(self, code: str = None, version: str = DEFAULT_VERSION):
         self._definition_version = version
 
         if not self._definition:
-            raise ValueError(f'Unsupported GICS version: {version}. Available versions are {list(definitions.keys())}')
+            raise ValueError(f'Unsupported GICS version: {version}. Available versions are {list(DEFINITIONS.keys())}')
 
         self._code = code
 

setup.py

@@ -3,13 +3,13 @@
 setup(
     name='gics',
     packages=['gics'],
-    version='0.1-alpha.3',
+    version='0.1-alpha.4',
     license='MIT',  # Chose a license from here: https://help.github.com/articles/licensing-a-repository
     description='This library provides a way to parse, manipulate and analyze GICS codes.',
     author='Dor Klein',
     author_email='[email protected]',
     url='https://github.com/dorklein/py-gics',
-    download_url='https://github.com/dorklein/py-gics/archive/v0.1-alpha.3.tar.gz',
+    download_url='https://github.com/dorklein/py-gics/archive/v0.1-alpha.4.tar.gz',
     keywords=['GICS', 'Global Industry Classification Standard'],  # Keywords that define your package best
     install_requires=[],
     classifiers=[