flask_examples app

how the arrangements should be done, the blog posts iteration code, profile page, Create, read, update and delete of blogs and editing profile image also done. NOTE: THERE IS AN ERROR IN MODELS OR RELATED TO FORMATION OF db FILE.
code93 · code93 · Jul 7, 2021 · Jul 1, 2021 · Jul 1, 2021 · Jul 2, 2021
commit 42ec116daba8638b50059281e0f85895e9021a3b
diff --git a/Project/flask_examples/app.py b/Project/flask_examples/app.py
@@ -0,0 +1,4 @@
+from puppycompanyblog import app
+
+if __name__ == '__main__':
+    app.run(debug=True)
diff --git a/Project/flask_examples/puppycompanyblog/__init__.py b/Project/flask_examples/puppycompanyblog/__init__.py
@@ -0,0 +1,41 @@
+# puppycompanyblog/__init__.py
+
+import os
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+from flask_login import LoginManager
+
+app = Flask(__name__)
+
+app.config['SECRET_KEY'] = 'mysecret'
+
+
+##############################
+### DATABASE SETUP ###########
+##########################
+basedir = os.path.abspath(os.path.dirname(__file__))
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(basedir,'data.sqlite')
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+
+db = SQLAlchemy(app)
+Migrate(app,db)
+
+
+##########################
+# LOGIN CONFIGS
+login_manager = LoginManager()
+
+login_manager.init_app(app)
+login_manager.login_view = 'users.login'
+
+
+##########################################
+
+from puppycompanyblog.core.views import core
+from puppycompanyblog.users.views import users
+from puppycompanyblog.error_pages.handlers import error_pages
+
+app.register_blueprint(core)
+app.register_blueprint(users)
+app.register_blueprint(error_pages)
diff --git a/Project/flask_examples/puppycompanyblog/__pycache__/__init__.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/__pycache__/__init__.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/__pycache__/models.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/__pycache__/models.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/blog_posts/__init__.py b/Project/flask_examples/puppycompanyblog/blog_posts/__init__.py
diff --git a/Project/flask_examples/puppycompanyblog/blog_posts/forms.py b/Project/flask_examples/puppycompanyblog/blog_posts/forms.py
diff --git a/Project/flask_examples/puppycompanyblog/blog_posts/views.py b/Project/flask_examples/puppycompanyblog/blog_posts/views.py
diff --git a/Project/flask_examples/puppycompanyblog/core/__init__.py b/Project/flask_examples/puppycompanyblog/core/__init__.py
diff --git a/Project/flask_examples/puppycompanyblog/core/__pycache__/__init__.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/core/__pycache__/__init__.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/core/__pycache__/views.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/core/__pycache__/views.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/core/views.py b/Project/flask_examples/puppycompanyblog/core/views.py
@@ -0,0 +1,15 @@
+# core/views.py
+
+from flask import render_template,request,Blueprint
+
+core = Blueprint('core', __name__)
+
+@core.route('/')
+def index():
+    # MORE TO COME
+    return render_template('index.html')
+
+@core.route('/info')
+def info():
+    return render_template('info.html')
+
diff --git a/Project/flask_examples/puppycompanyblog/data.sqlite b/Project/flask_examples/puppycompanyblog/data.sqlite
diff --git a/Project/flask_examples/puppycompanyblog/error_pages/__pycache__/handlers.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/error_pages/__pycache__/handlers.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/error_pages/handlers.py b/Project/flask_examples/puppycompanyblog/error_pages/handlers.py
@@ -0,0 +1,12 @@
+# handlers.py
+from flask import Blueprint,render_template
+
+error_pages = Blueprint('error_pages', __name__)
+
+@error_pages.app_errorhandler(404)
+def error_404(error):
+    return render_template('error_pages/404.html') , 404
+
+@error_pages.app_errorhandler(403)
+def error_403(error):
+    return render_template('error_pages/403.html'), 403
diff --git a/Project/flask_examples/puppycompanyblog/models.py b/Project/flask_examples/puppycompanyblog/models.py
@@ -0,0 +1,54 @@
+#models.py
+from datetime import datetime
+from enum import unique
+from puppycompanyblog.core.views import index
+from puppycompanyblog import db, login_manager
+from werkzeug.security import generate_password_hash,check_password_hash
+from flask_login import UserMixin
+from datetime import datetime
+
+@login_manager.user_loader
+def load_user(user_id):
+    return User.query.get(user_id)
+
+class User(db.Model, UserMixin):
+
+    __tablename__ = 'users'
+
+    id = db.Column(db.Integer,primary_key=True)
+    profile_image = db.Column(db.String(64),nullable=False,default='default_profile.png')
+    email = db.Column(db.String(64), unique=True,index=True)
+    username = db.Column(db.String(64),unique=True,index=True)
+    password_hash = db.Column(db.String(128))
+
+    posts = db.relationship('BlogPost',backref='author',lazy=True)
+
+    def __init__(self,email,username,password):
+        self.email = email
+        self.username = username
+        self.password_hash = generate_password_hash(password)
+
+    def check_password(self,password):
+        return check_password_hash(self.password_hash,password)
+
+    def __repr__(self):
+        return f"Username {self.username}"
+
+class BlogPost(db.Model):
+
+    users = db.relationship(User)
+
+    id = db.Column(db.Integer,primary_key=True)
+    user_id = db.Column(db.Integer,db.ForeignKey('users.id'), nullable = False)
+
+    date = db.Column(db.DateTime, nullable=False, default= datetime.utcnow)
+    title = db.Column(db.String(140),nullable=False)
+    text = db.Column(db.Text,nullable=False)
+
+    def __init__(self,title,text,user_id):
+        self.title = title
+        self.text = text
+        self.user_id = user_id
+
+    def __repr__(self):
+        return f"Post ID; {self.id} -- Date: {self.date} --- {self.title}"
diff --git a/Project/flask_examples/puppycompanyblog/templates/account.html b/Project/flask_examples/puppycompanyblog/templates/account.html
@@ -0,0 +1,46 @@
+{% extends "base.html" %} 
+{% block content %}
+    <div class="jumbotron">
+        <div align='center'>
+            <h1>Welcome to the page for {{current_user.username}}</h1>
+            <img align='center' src="{{url_for('static',filename='profile_pics/'+current_user.profile_image)}}">
+        </div>
+    </div>
+
+    <div class="container">
+        <form method="POST">
+
+            {{form.hidden_tag}}
+
+            <div class="form-group">
+                {{form.username.label(class='form-group')}}
+                {{form.username(class='form-control')}}
+            </div>
+
+
+
+            <div class="form-group">
+                {{form.email.label(class='form-group')}}
+                {{form.email(class='form-control')}}
+            </div>
+
+
+
+            <div class="form-group">
+                {{form.picture.label(class='form-group')}}
+                {{form.picture(class='form-control')}}
+            </div>
+
+
+
+            <div class="form-group">
+                {{form.submit(class='btn btn-primary')}}
+            </div>
+
+
+
+
+        </form>
+    </div>
+
+{% endblock %}
diff --git a/Project/flask_examples/puppycompanyblog/templates/base.html b/Project/flask_examples/puppycompanyblog/templates/base.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
+    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
+    <meta charset="UTF-8">
+
+    <title></title>
+</head>
+<body>
+    <ul class='nav'>
+        <li class='nav-link'>
+            <a href="{{url_for('core.index')}}">Home</a>
+        </li>
+        <li class='nav-link'>
+            <a href="{{url_for('core.info')}}">About</a>
+        </li>
+        {% if current_user.is_authenticated %}
+        <li class='nav-link'>
+            <a href="{{url_for('users.logout')}}">Log Out</a>
+        </li>
+        <li class='nav-link'>
+            <a href="{{url_for('users.account')}}">Account</a>
+        </li>
+        <li class='nav-link'>
+            <a href="#">Create Post</a>
+        </li>
+        {% else %}
+        <li class='nav-link'>
+            <a href="{{url_for('users.login')}}">Log In</a>
+        </li>
+        <li class='nav-link'>
+            <a href="{{url_for('users.register')}}">Register</a>
+        </li>
+        {% endif %}
+
+    </ul>
+    <div class='container'>
+        {% block content %}
+
+        {% endblock %} 
+
+    </div>
+
+</body>
+</html>
diff --git a/Project/flask_examples/puppycompanyblog/templates/error_pages/403.html b/Project/flask_examples/puppycompanyblog/templates/error_pages/403.html
@@ -0,0 +1,6 @@
+{% extends "base.html" %}
+{% block content %} 
+    <div class="jumbotron"> 
+        <h1>403 ACCESS FORBIDDEN!</h1>
+    </div>
+{% endblock %}
diff --git a/Project/flask_examples/puppycompanyblog/templates/error_pages/404.html b/Project/flask_examples/puppycompanyblog/templates/error_pages/404.html
@@ -0,0 +1,6 @@
+{% extends "base.html" %}
+{% block content %} 
+    <div class="jumbotron"> 
+        <h1>404 PAGE NOT FOUND</h1>
+    </div>
+{% endblock %}
diff --git a/Project/flask_examples/puppycompanyblog/templates/index.html b/Project/flask_examples/puppycompanyblog/templates/index.html
@@ -0,0 +1,6 @@
+{% extends "base.html" %}
+{% block content %} 
+    <div class="jumbotron">
+        <h1>Puppy Company Blog</h1>
+    </div>
+{% endblock %}
diff --git a/Project/flask_examples/puppycompanyblog/templates/info.html b/Project/flask_examples/puppycompanyblog/templates/info.html
@@ -0,0 +1,7 @@
+{% extends "base.html" %} 
+{% block content %} 
+    <div class="jumbotron">
+        <h1>Info About Our Company</h1>
+        <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Et recusandae ullam adipisci itaque ratione, laborum, ducimus dolorem officiis dolor vitae optio, deserunt harum id! Dolor officia illum maxime voluptatibus temporibus.</p>
+    </div>
+{% endblock %} 
diff --git a/Project/flask_examples/puppycompanyblog/templates/login.html b/Project/flask_examples/puppycompanyblog/templates/login.html
@@ -0,0 +1,9 @@
+{% extends "base.html" %} 
+{% block content %}
+    <form  method="POST">
+        {{form.hidden_tag()}}
+        {{form.email.label}}{{form.email}}<br>
+        {{form.password.label}}{{form.password}}<br>
+        {{form.submit()}}
+    </form>
+{% endblock %}
diff --git a/Project/flask_examples/puppycompanyblog/templates/register.html b/Project/flask_examples/puppycompanyblog/templates/register.html
@@ -0,0 +1,11 @@
+{% extends "base.html" %} 
+{% block content %}
+    <form  method="POST">
+        {{form.hidden_tag()}}
+        {{form.email.label}}{{form.email}}<br>
+        {{form.username.label}}{{form.username}}<br>
+        {{form.password.label}}{{form.password}}<br>
+        {{form.pass_confirm.label}}{{form.pass_confirm}}<br>
+        {{form.submit()}}
+    </form>
+{% endblock %}
diff --git a/Project/flask_examples/puppycompanyblog/templates/user_blog_posts.html b/Project/flask_examples/puppycompanyblog/templates/user_blog_posts.html
@@ -0,0 +1,42 @@
+{% extends "base.html" %} 
+{% block content %} 
+<div class="container">
+    <div class="jumbotron">
+        <div align='center'>
+            <h1>Welcome to the page for {{user.username}}</h1>
+            <img src="{{url_for('static',filename='profile_pics/'+user.profile_image)}}">
+        </div>
+    </div>
+
+
+{% for post in blog_post.items %}
+    <h2><a href="{{url_for('blog_posts.blog_post',blog_post_id=post.id)}}">{{post.title}}</a></h2>
+    Written By: <a href="{{url_for('users.user_post',username=post.author.username)}}">{{post.author.username}}</a>
+    <p class="text-muted">Publised on: {{post.date.strftime("%Y-%m-%d")}}</p>
+    <br>
+    <p>{{post.text}}</p>
+    <br>
+{% endfor %}
+</div>
+
+<nav aria-label="Page Navigation example">
+    <ul class="pagination justify-content-center">
+        {% for page_num in blog_posts.iter_pages(left_edge=1,right_edge=1,left_current=1,right_current=2) %}
+            {% if blog_posts.page == page_num %}
+            <li class='page_item disabled'>
+                <a class="page-link" href="{{url_for('users.user_posts',username=user.username,page=page_num)}}">{{page_num}}</a>
+            </li>
+            {% else %}
+            <li class='page_item'>
+                <a class="page-link" href="{{url_for('users.user_posts',username=user.username,page=page_num)}}">{{page_num}}</a>
+            </li>
+            {% endif %}
+        {% endfor %}
+    </ul>
+
+</nav>
+
+
+
+
+{% endblock %} 
diff --git a/Project/flask_examples/puppycompanyblog/users/__init__.py b/Project/flask_examples/puppycompanyblog/users/__init__.py
diff --git a/Project/flask_examples/puppycompanyblog/users/__pycache__/__init__.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/users/__pycache__/__init__.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/users/__pycache__/forms.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/users/__pycache__/forms.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/users/__pycache__/picture_handler.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/users/__pycache__/picture_handler.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/users/__pycache__/views.cpython-39.pyc b/Project/flask_examples/puppycompanyblog/users/__pycache__/views.cpython-39.pyc
diff --git a/Project/flask_examples/puppycompanyblog/users/forms.py b/Project/flask_examples/puppycompanyblog/users/forms.py
@@ -0,0 +1,47 @@
+from flask.app import Flask
+from flask_wtf import FlaskForm
+from wtforms import StringField,PasswordField,SubmitField
+from wtforms.validators import DataRequired, Email, EqualTo
+from wtforms import ValidationError
+from flask_wtf.file import FileField,FileAllowed
+
+from flask_login import current_user
+from puppycompanyblog.models import User
+
+class LoginForm(FlaskForm):
+    email = StringField('Email',validators=[DataRequired(),Email()])
+    password = PasswordField('Password', validators=[DataRequired()])
+    submit = SubmitField('Log In')
+
+class RegisterationForm(FlaskForm):
+    email = StringField('Email',validators=[DataRequired(),Email()])
+    username = StringField('UserName',validators=[DataRequired()])
+    password = PasswordField('Password', validators=[DataRequired(), EqualTo('pass_confirm', message='Passwords must match')])
+    pass_confirm = PasswordField('Confirm Password', validators=[DataRequired()])
+    submit = SubmitField('Register')
+
+    def check_email(self,field):
+        if User.query.filter_by(email=field.data).first():
+            raise ValidationError('Your email has been registered already!')
+
+    def check_username(self,field):
+        if User.query.filter_by(username=field.data).first():
+            raise ValidationError('Your username has been registered already!')
+
+
+class UpdateUserForm(FlaskForm):
+
+    email = StringField('Email',validators=[DataRequired(),Email()])
+    username = StringField('UserName',validators=[DataRequired()])
+    picture = FileField('Update profile Picture', validators=[FileAllowed(['jpg','png'])])
+    submit = SubmitField('Update')
+
+    def check_email(self,field):
+        if User.query.filter_by(email=field.data).first():
+
+    def check_username(self,field):
+        if User.query.filter_by(username=field.data).first():
+            raise ValidationError('Your username has been registered already!')
+
+