Add release.py script for making releases and add documentation for this.

DEVEL.md

@@ -13,7 +13,6 @@ Environment:
 
 ## Release process
 
-    cd REPO_ROOT
-    VERSION="1.1.0"
-    cd theanarchistlibrary_store
-    zip ../releases/theanarchistlibrary_store_v${VERSION}.zip *
+Edit the version in theanarchistlibrary_store/__init__.py and
+in the repo root call
+    ./release.py

release.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+
+import glob
+import os
+from zipfile import ZipFile
+
+
+dir_path = os.path.dirname(os.path.realpath(__file__))
+
+
+def get_version():
+    path = os.path.join(
+        dir_path,
+        'theanarchistlibrary_store',
+        '__init__.py',
+    )
+    with open(path, 'r') as file:
+        lines = file.read().split('\n')
+    for line in lines:
+        line_ = line.lower().strip()
+        if line_.startswith('version = '):
+            parts = line_[10:].lstrip('(').rstrip(')').split(',')
+            numbers = [int(part) for part in parts]
+            return '{}.{}.{}'.format(*numbers)
+
+
+def release():
+    version = get_version()
+    tgt_fn = f'theanarchistlibrary_store_v{version}.zip'
+    tgt_path = os.path.join(dir_path, 'releases', tgt_fn)
+    src_glob = os.path.join(
+        dir_path,
+        'theanarchistlibrary_store',
+        '**',
+    )
+    with ZipFile(tgt_path, 'w') as zip:
+        for path in glob.glob(src_glob, recursive=True):
+            arcname = path[(len(src_glob) - 2):]
+            if arcname:
+                zip.write(path, arcname=arcname)
+
+
+if __name__ == '__main__':
+    release()