Update the template for BlackSheep v2

- Update the template for BlackSheep v2
- Remove support for Pydantic v1, add support for `pydantic-settings`, and upgrade `Pydantic` pinned version

Author: RobertoPrevato

CHANGELOG.md

@@ -0,0 +1,14 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## 2023-11-26
+- Update the template for BlackSheep v2
+- Remove support for Pydantic v1, add support for `pydantic-settings`,
+  and upgrade `Pydantic` pinned version
+
+## 2023-06-29 :gem:
+- New project template

{{cookiecutter.project_name}}/app/main.py

@@ -21,6 +21,8 @@ def configure_application(
         services=services, show_error_details=settings.app.show_error_details
     )
 
+
+
     configure_error_handlers(app)
     configure_authentication(app, settings)
 {%- if cookiecutter.use_openapi %}

{{cookiecutter.project_name}}/app/settings.py

@@ -7,16 +7,17 @@
 
 https://docs.pydantic.dev/latest/usage/settings/
 """
-from pydantic import BaseModel, BaseSettings
+from pydantic import BaseModel
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
 class APIInfo(BaseModel):
-    title = "{{ cookiecutter.project_name }} API"
-    version = "0.0.1"
+    title: str = "{{ cookiecutter.project_name }} API"
+    version: str = "0.0.1"
 
 
 class App(BaseModel):
-    show_error_details = False
+    show_error_details: bool = False
 
 
 class Site(BaseModel):
@@ -32,8 +33,7 @@ class Settings(BaseSettings):
     # export app_app='{"show_error_details": True}'
     app: App = App()
 
-    class Config:
-        env_prefix = "APP_"  # defaults to no prefix, i.e. ""
+    model_config = SettingsConfigDict(env_prefix='APP_')
 
 
 def load_settings() -> Settings:

{{cookiecutter.project_name}}/requirements.txt

@@ -1,8 +1,11 @@
-blacksheep[full]==2.0a11
+blacksheep[full]~=2.0.0
 uvicorn==0.22.0
 uvloop; platform_system != "Windows"
 {%- if cookiecutter.app_settings_library == "essentials-configuration" %}
 essentials-configuration[full]
 {%- endif %}
+{%- if cookiecutter.app_settings_library == "Pydantic" %}
+pydantic-settings
+{%- endif %}
 MarkupSafe==2.1.3
-pydantic==1.10.10
+pydantic==2.5.2