Add Materials for "A Close Look at a FastAPI Example Application" (#693)

* Add Materials for "A Close Look at a FastAPI Example Application"

* Remove unused function

* Implement TR updates and remove main_start.py file

* Try fixing linter errors

* Fix import missing newline

* Apply suggestions from code review

Co-authored-by: Martin Breuss <martin-martin@users.noreply.github.com>

* Remove None and async

* Update README.md

* Fix linter issues

* Update GitHub Actions to lint with Python 3.14 and isort

* Rearrange import order with isort instead of Ruff

* Update requirements with isort

* Remove isort, configure Ruff format

---------

Co-authored-by: Martin Breuss <martin-martin@users.noreply.github.com>
Co-authored-by: martin-martin <breuss.martin@gmail.com>
Co-authored-by: brendaweles <160772586+brendaweles@users.noreply.github.com>
Co-authored-by: Bartosz Zaczyński <bartosz.zaczynski@gmail.com>

Author: 4 people

.github/workflows/linters.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - {name: Linux313, python: '3.13.7', os: ubuntu-latest}
+          - {name: Linux314, python: '3.14.0', os: ubuntu-latest}
     steps:
     - name: Check out repository
       uses: actions/checkout@v2

build-a-blog-from-scratch-django/django-blog/blog/admin.py

@@ -1,6 +1,5 @@
-from django.contrib import admin
-
 from blog.models import Category, Comment, Post
+from django.contrib import admin
 
 
 class CategoryAdmin(admin.ModelAdmin):

build-a-blog-from-scratch-django/django-blog/blog/views.py

@@ -1,8 +1,7 @@
-from django.http import HttpResponseRedirect
-from django.shortcuts import render
-
 from blog.forms import CommentForm
 from blog.models import Comment, Post
+from django.http import HttpResponseRedirect
+from django.shortcuts import render
 
 
 def blog_index(request):

celery-async-tasks/source_code_final/feedback/forms.py

@@ -1,5 +1,4 @@
 from django import forms
-
 from feedback.tasks import send_feedback_email_task
 
 

celery-async-tasks/source_code_final/feedback/urls.py

@@ -1,5 +1,4 @@
 from django.urls import path
-
 from feedback.views import FeedbackFormView, SuccessView
 
 app_name = "feedback"

celery-async-tasks/source_code_final/feedback/views.py

@@ -1,6 +1,5 @@
 from django.views.generic.base import TemplateView
 from django.views.generic.edit import FormView
-
 from feedback.forms import FeedbackForm
 
 

celery-async-tasks/source_code_initial/feedback/urls.py

@@ -1,5 +1,4 @@
 from django.urls import path
-
 from feedback.views import FeedbackFormView, SuccessView
 
 app_name = "feedback"

celery-async-tasks/source_code_initial/feedback/views.py

@@ -1,6 +1,5 @@
 from django.views.generic.base import TemplateView
 from django.views.generic.edit import FormView
-
 from feedback.forms import FeedbackForm
 
 

code-image-generator/source_code_final/app.py

@@ -1,13 +1,6 @@
 import base64
 
-from flask import (
-    Flask,
-    redirect,
-    render_template,
-    request,
-    session,
-    url_for,
-)
+from flask import Flask, redirect, render_template, request, session, url_for
 from pygments import highlight
 from pygments.formatters import HtmlFormatter
 from pygments.lexers import Python3Lexer

code-image-generator/source_code_step_02/app.py

@@ -1,11 +1,4 @@
-from flask import (
-    Flask,
-    redirect,
-    render_template,
-    request,
-    session,
-    url_for,
-)
+from flask import Flask, redirect, render_template, request, session, url_for
 
 app = Flask(__name__)
 app.secret_key = (