Python Serialize: Apply TR Feedback

Author: bzaczynski

python-serialize/executable-code/digital-signature/trustworthy.py

@@ -16,7 +16,7 @@ def safe_load(file, secret_key):
     serialized_data = file.read()
     if signature == sign(serialized_data, secret_key):
         return dill.loads(serialized_data)
-    raise dill.UnpicklingError("Invalid digital signature")
+    raise dill.UnpicklingError("invalid digital signature")
 
 
 def sign(message, secret_key, algorithm=hashlib.sha256):

python-serialize/http-payload/django-rest-api/rest_api/urls.py

@@ -2,4 +2,4 @@
 
 from . import views
 
-urlpatterns = [path("", views.view_users)]
+urlpatterns = [path("", views.handle_users)]

python-serialize/http-payload/django-rest-api/rest_api/views.py

@@ -7,7 +7,7 @@
 
 
 @api_view(["GET", "POST"])
-def view_users(request):
+def handle_users(request):
     if request.method == "GET":
         users = User.objects.all()
         serializer = UserSerializerOut(users, many=True)

python-serialize/http-payload/flask-rest-api/main.py

@@ -1,18 +1,3 @@
-"""
-GET Example:
-$ curl http://127.0.0.1:5000/users
-
-POST Example:
-$ curl -X POST http://127.0.0.1:5000/users \
-       -H 'Content-Type: application/json' \
-       --data '{"name": "Frank"}'
-{
-  "created_at": "Sun, 05 Nov 2023 17:34:19 GMT",
-  "id": "6f3530f4-2251-49ad-899b-df4c4f47009d",
-  "name": "Frank"
-}
-"""
-
 from dataclasses import dataclass
 from datetime import datetime
 from uuid import UUID, uuid4

python-serialize/http-payload/pydantic-demo/main.py

@@ -15,9 +15,9 @@ class User(Metadata):
 
     @field_validator("name")
     def check_user_name(cls, name):
-        if name.startswith(name.title()):
+        if name[0].isupper():
             return name
-        raise ValueError("Name must start with an uppercase letter")
+        raise ValueError("name must start with an uppercase letter")
 
 
 if __name__ == "__main__":

python-serialize/python-objects/standard-python/marshal_demo.py

@@ -1,12 +1,12 @@
 import marshal
 import sysconfig
+from importlib.util import cache_from_source
 from pathlib import Path
 
 
 def main():
-    py_version = sysconfig.get_python_version().replace(".", "")
-    cache_dir = Path(sysconfig.get_path("stdlib")) / "__pycache__"
-    module_path = cache_dir / f"decimal.cpython-{py_version}.pyc"
+    stdlib_dir = Path(sysconfig.get_path("stdlib"))
+    module_path = stdlib_dir / Path(cache_from_source("decimal.py"))
     import_pyc(module_path)
     print(Decimal(3.14))  # noqa
 

python-serialize/schema-based/protocol-buffers-demo/main.py

@@ -1,7 +1,7 @@
 from models import Language, User
-from users_pb2 import Language as LanguageDao
-from users_pb2 import User as UserDao
-from users_pb2 import Users as UsersDao
+from users_pb2 import Language as LanguageDAO
+from users_pb2 import User as UserDAO
+from users_pb2 import Users as UsersDAO
 
 
 def main():
@@ -13,20 +13,20 @@ def main():
 
 def serialize():
     users = [User.fake() for _ in range(5)]
-    users_dao = UsersDao()
+    users_dao = UsersDAO()
     for user in users:
-        user_dao = UserDao()
+        user_dao = UserDAO()
         user_dao.id = user.id
         user_dao.name = user.name
         user_dao.email = user.email
-        user_dao.language = LanguageDao.Value(user.language.name)
+        user_dao.language = LanguageDAO.Value(user.language.name)
         user_dao.registered_at.FromDatetime(user.registered_at)
         users_dao.users.append(user_dao)
     return users_dao.SerializeToString()
 
 
 def deserialize(buffer):
-    users_dao = UsersDao()
+    users_dao = UsersDAO()
     users_dao.ParseFromString(buffer)
     return [
         User(