move to multi-file module (required for type checking)

lethe/VERSION.py

@@ -0,0 +1,4 @@
+""" VERSION defintion. THIS FILE IS MANUALLY PARSED BY setup.py and REQUIRES A SPECIFIC FORMAT """
+__version__ = '''
+0.7
+'''

lethe/__init__.py

@@ -0,0 +1,12 @@
+"""
+Git snapshotting tool
+"""
+from .lethe import (
+    main, snap, snap_ref, snap_tree, find_merge_base, deref_symref,
+    update_ref, commit_tree, get_tree, get_commit, get_obj, get_root, get_latest_commit,
+    shorten_hash, _run,
+    )
+
+from .VERSION import __version__
+
+__author__ = 'Jan Petykeiwicz'

lethe/__main__.py

@@ -0,0 +1,4 @@
+from .lethe import main
+
+if __name__ == '__main__':
+    main()

lethe/lethe.py

@@ -12,10 +12,6 @@ from itertools import chain
 import sys
 
 
-__author__ = 'Jan Petykeiwicz'
-__version__ = '0.8'
-
-
 def _run(command: Union[str, List[str]], **kwargs) -> str:
     """
     Wrapper for subprocess.run():

setup.py

@@ -1,18 +1,26 @@
 #!/usr/bin/env python3
 
-from setuptools import setup
+from setuptools import setup, find_packages
 
-with open('README.md', 'r') as f:
+
+with open('README.md', 'rt') as f:
     long_description = f.read()
 
+with open('lethe/VERSION.py', 'rt') as f:
+    version = f.readlines()[2].strip()
+
 setup(name='lethe',
-      version='0.8',
+      version=version,
       description='Git-based snapshotting',
       long_description=long_description,
       long_description_content_type='text/markdown',
       author='Jan Petykiewicz',
       author_email='anewusername@gmail.com',
-      py_modules=['lethe'],
+      url='https://mpxd.net/code/jan/lethe',
+      packages=find_packages(),
+      package_data={
+          'lethe': ['py.typed'],
+      },
       entry_points={
           'console_scripts': [
               'lethe=lethe:main',
@@ -21,7 +29,6 @@ setup(name='lethe',
       install_requires=[
             'typing',
       ],
-      url='https://mpxd.net/code/jan/lethe',
       keywords=[
             'git',
             'snapshot',