Update deploy script

Author: code-yeongyu

tasks.py

@@ -1,4 +1,8 @@
+import datetime
+
+import toml
 from invoke import Context, task
+from invoke.exceptions import UnexpectedExit
 
 import monkey_patch_invoke as _
 
@@ -9,7 +13,37 @@ def test(context: Context) -> None:
     context.run('pytest . ', pty=True)
 
 
+def _get_today_timestamp() -> str:
+    return datetime.datetime.utcnow().strftime('%Y.%m.%d')
+
+
 @task
 def publish(context: Context) -> None:
     """Publish to PyPI."""
-    context.run('poetry publish --build', pty=True)
+
+    # load pyproject
+    pyproject_path = 'pyproject.toml'
+    pyproject_string = ''
+    with open(pyproject_path, 'r', encoding='utf-8') as pyproject_file:
+        pyproject_string = pyproject_file.read()
+    pyproject = toml.loads(pyproject_string)
+    # change version to today datetime
+    pyproject['tool']['poetry']['version'] = _get_today_timestamp()
+    with open(pyproject_path, 'w', encoding='utf-8') as pyproject_file:
+        toml.dump(pyproject, pyproject_file)
+
+    # build & publish
+    try:
+        context.run(
+            '''
+                poetry build --no-interaction
+                poetry publish --no-interaction
+            ''',
+            pty=True,
+        )
+    except UnexpectedExit:
+        pass
+
+    # recover to original
+    with open(pyproject_path, 'w', encoding='utf-8') as pyproject_file:
+        pyproject_file.write(pyproject_string)