[Hindi] Edit, Delete and File Upload – Web Development Using Flask and Python #15



This video is a part of my web development using flask and python playlist –
Source Code here –

Web development in python is one of the most requested tutorial series, I get over email. As the popularity of python increases, people become more and more interested in topics like how to send email using flask, how to connect to a database in python flask, how to make rest API in flask etc. In this video I have shown how to make a full complete tech blog from start to finish using flask python.

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23 Comments

  1. I am getting an error UnboundLocalError: local variable 'username' referenced before assignment.
    if anyone know how to solve plz reply

  2. Harry ji is tutorial ka code kaha hai ?

  3. <!DOCTYPE html>

    <html lang="en">

    <head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Document</title>

    <style>

    .adm{

    width:35%;

    margin: 13px;

    margin-left: 32.5%;

    margin-right: 32.5%;;

    display: inline;

    box-sizing: border-box;

    text-align: center;

    }

    .body{

    width:60%;

    margin: auto;

    padding: 10%;

    margin-top: 103px;

    }

    .sec{

    width:50%;

    margin: auto;

    }

    </style>

    </head>

    <body>

    <div class="body">

    <div class="sec">

    <form action="/Admin.html" method="POST">

    <input type="text" class = 'adm' placeholder="ID" name="uid">

    <br>

    <input class = 'adm' type="password" name="upass" placeholder="Password">

    <br>

    <input type="submit" name = Submit class = 'adm'>

    </form>

    </div>

    </div>

    </body>

    </html>

  4. # Following is the website for my personal use made using python concepts like jinja

    # templating , flask and mysql. I hope everyone will enjoy it

    from flask import Flask, render_template, request, session

    from flask_sqlalchemy import SQLAlchemy

    import datetime as d

    import json

    from flask_mail import Mail

    #——————————————————————–

    app = Flask(__name__)

    app.secret_key = 'super secret key'

    with open('config.json', 'r') as c:

    par = json.load(c)["parametres"]

    # following is the piece of code which will send us email

    app.config.update(

    MAIL_SERVER = 'smtp.gmail.com',

    MAIL_PORT = '465',

    MAIL_USE_SSL = True,

    MAIL_USERNAME = par['gmail-user'],

    MAIL_PASSWORD= par['gmail-pass']

    )

    mail = Mail(app)

    app.config['SQLALCHEMY_DATABASE_URI'] = par["Local_Server_Uri"]

    db = SQLAlchemy(app)

    #following is the class which will handle my project details

    class Project(db.Model):

    sno = db.Column(db.Integer , primary_key = True)

    project_name = db.Column(db.String(100), unique=False, nullable=False)

    project_desc = db.Column(db.String(500), unique=False, nullable=False)

    project_video = db.Column(db.String(10), unique=False, nullable=False)

    project_link = db.Column(db.String(60) , unique = False , nullable = False)

    class Contacts(db.Model):

    sno = db.Column(db.Integer, primary_key=True)

    Name = db.Column(db.String(100), unique=False, nullable=False )

    Email = db.Column(db.String(100), unique=False, nullable=False)

    Message = db.Column(db.String(100), unique=False, nullable=False)

    class Posts(db.Model):

    sno = db.Column(db.Integer, primary_key=True)

    Title = db.Column(db.String(100), unique=False, nullable=False)

    Description = db.Column(db.String(100), unique=False, nullable=False)

    Image = db.Column(db.String(100), unique=False, nullable=False)

    Category = db.Column(db.String(30), unique=False, nullable=False)

    Content = db.Column(db.String(500), unique=False, nullable=False)

    Slug = db.Column(db.String(60), unique=False, nullable=False)

    Date = db.Column(db.String(12), nullable=True)

    @app.route('/')

    def home():

    current_year = int(d.datetime.now().year)

    return render_template('index.html', par=par)

    @app.route('/index.html')

    def index():

    current_year = int(d.datetime.now().year)

    return render_template('index.html', year = current_year, par=par)

    @app.route('/AboutME.html')

    def About():

    current_year = int(d.datetime.now().year)

    return render_template('AboutMe.html' , year = current_year, par=par)

    #——————————————————————————–

    @app.route('/ContactForum.html' , methods=["GET","POST"] )

    def cont():

    if(request.method == 'POST'):

    """ Add entry to the database """

    name = request.form.get('Name')

    email = request.form.get('Email')

    message = request.form.get('Message')

    # in the contacts table , i have the following attributes

    # Name varchar(100)

    # Email varchar(100)

    # Message varchar(1000)

    entry = Contacts(Name = name , Email = email , Message = message)

    db.session.add(entry)

    db.session.commit()

    mail.send_message('New message from ' + name,

    sender=email,

    recipients=[par['gmail-user']],

    body=message + "n" +email

    )

    current_year = int(d.datetime.now().year)

    return render_template('ContactForum.html', year = current_year, par=par)

    #——————————————————————————–

    @app.route('/education.html')

    def education():

    current_year = int(d.datetime.now().year)

    return render_template('education.html',year = current_year, par=par)

    @app.route('/Post.html')

    def Blog():

    current_year = int(d.datetime.now().year)

    Poste = Posts.query.filter_by().all()

    return render_template('Post.html' , year = current_year , par=par , posts = Poste)

    @app.route('/Projects.html')

    def Project():

    current_year = int(d.datetime.now().year)

    return render_template('Projects.html' , year = current_year, par=par)

    @app.route('/Cont.html/<string:post_slug>' , methods = ['GET'])

    def open(post_slug):

    post = Posts.query.filter_by(Slug = post_slug).first()

    return render_template('Cont.html' , par = par , post = post)

    @app.route('/Admin.html' , methods = ['GET' , 'POST'])

    def admin():

    if 'user' in session and session['user'] == par["Admin_User_Name"]:

    # following will tell us weather the user was already logged in

    return render_template('dashboard.html')

    if request.method == 'POST':

    username = request.form.get('uid')

    password = request.form.get('upass')

    if (username == par["Admin_User_Name"] and password == par["Admin_User_Pass"]):

    #set the session variable

    session['User'] = username # we can write any name in session

    return render_template('dashboard.html')

    return render_template('Admin.html' , par = par)

    @app.errorhandler(404)

    def page_not_found(e):

    # note that we set the 404 status explicitly

    return "render_template('404.html')", 404

    app.run(debug=True)

  5. Bhai source code nhi h please bhai source code dee doo

  6. Bro you will get more subscribers
    I pray to God. You r excellent bto

  7. *Harry bhai Code provide karo plz……. *

  8. Where is code of this video?

  9. 8:39 cigrate ki dibbi,….hahahaha

  10. mena bhi sg125998@gmail.com se pel kr shre kr diya ha

  11. Your Teaching skill is too good…We Learn a lot of things…You deserve 1M Subscribers & we hope will get this at the end of this year

  12. you are doing best love from pakistan

  13. Sir apna yeah newer posts ka button banana sekhaya nhi

  14. If anyone having key error ‘user’ , then add this session [‘user’]=0 just before your session [‘user’] = username

  15. jinja2.exceptions.TemplateNotFound: dashboard.hmtl

  16. 500 to 270k that's an incredible achievement bro. Keep up the good work

  17. Harry bhai … your explanation makes very easy to understand difficult concepts … this full tutorial helps me to build such an amazing websites …thanks bhai .

  18. KeyError ko kaise fix karen?

  19. Bhai,
    KeyError = 'user'
    how to fix this problem?

  20. Bhai flask me database me se image kese print kare ??? :((((((

  21. Thora or clear koro bhay

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