Youtube video download using python project report.pdf

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AN
INTERNSHIP REPORT
ON
YOUTUBE VIDEO DOWNLOAD USING PYTHON
PROJECT
BY
KAMAL ACHARYA
(Tribhuvan University)
Date: 2022/01/25

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1.1 PROJECT DESCRIPTION:
YOUTUBE VIDEO DOWNLODER
ABSTRACT
In order to form a clear sketch of this project, here's a brief introduction of the
features and scope of YouTube Video Downloader. This project consists of three modules which are
inter-linked to each other. Each of the above modules has certain specific task to perform. Tkinter is
the standard GUI library for Python. Python when combined with Tkinter provides a fast and easy way
to create GUI applications. Tkinter provides a powerful object- oriented interface to the Tk GUI toolkit.
Tkinter provides various controls, such as buttons, labels and text boxes used in a GUI application.
These controls are commonly called widgets.Pytube library makes the video downloading very easy.
Create the object of the YouTube module by passing the link as the parameter. Then, get the
appropriate extension and resolution of the video. You can set the name of the file as your convenience,
in another case original name will be kept. After that, download the file using the download function
which has one parameter which is the location where to download the file. Python, this task is very
easy. Few lines of code will download the video from YouTube for you.
Front-End: PYTHON
OBJECTIVE:
Back-End: PYTHON
1. YouTube downloader tools offer fast speed downloading
2. To download multiple videos or playlist
3. The majority of YouTube downloaders allow users to download the entire playlist in a
single click.

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2. SYSTEM ANALYSIS
2.1 EXISTING SYSTEM
Online YouTube Video Downloaders: These are web-based tools that allow users to
download YouTube videos by simply pasting the video URL into the download box. Some popular
examples of online YouTube video downloaders include Y2Mate, Keep Vid , and Clip Converter.
Browser Extensions: There are various browser extensions available for Google Chrome, Mozilla
Firefox, and other web browsers that allow users to download YouTube videos with ease. Some
popular extensions include Video Download Helper and Fastest Tube. Desktop Software: There are
several desktop software options available that allow users to download YouTube videos to their
computer. Some popular software include 4K Video Downloader, Free YouTube Downloader, and
WinX YouTube Downloader.
2.1.1 DRAWBACKS OF EXISTING SYSTEM
1. Quality Loss.
2. Malware and Viruses.
3. Unreliable.
4. Limited Compatibility.
2.2 PROPOSED SYSTEM
This may involve obtaining permission from video creators before allowing users to download
their content. To ensure the best user experience, it's important to prioritize quality preservation in any proposed
system. This may involve using advanced compression algorithms to minimize quality loss during the
download process. Users depend on YouTube video downloaders to work consistently and reliably. Any
proposed system should undergo rigorous testing to ensure that it works well across different devices and
operating systems. A user-friendly interface can help ensure that users can easily navigate and use the system.
This may involve designing an intuitive download process and providing clear instructions for users.

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2.2.1 ADVANTAGES OF PROPOSED SYSTEM
1. Legality and Ethics
2. Quality preservation
3. Reliability
4. User Interface
2.3.1 SOFTWARE REQUIRMENTS:
Software is a group of programs that computers need to do a particular task.
Itis an essential requirement of Computer system.
The Software used to develop the project is
 Operating System : Windows 10
 Front-End : PYTHON
 Back-End : PYTHON
2.3.2 HARDWARE REQUIRMENT
The Hardware of the computer consists of physical component such as Input
Devices, Storage Devices, Processing & Control units and Output Devices. Computer includes
external storage unit to store data in programs.
The Hardware Configuration involved in this project.
 Platform : Windows10
 Processor : AMD PRO A4-350B R4, 5 COMPUTE CORES2C +
3G
 CPU Speed : 2.50 GHz
 RAM : 4 GB
2.3 . SYSTEM REQUIREMENTAND SPECIFICATION

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 Hard Disk : 210 GB

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2.3.3 SOFTWARE DESCRIPTION
Python is a popular programming language. It was created by Guido van Rossum. and released in
1991.Python was designed for readability, and has some similarities to the English language with
influence from mathematics. Python uses new lines to complete a command, as opposed to other
programming languages which often use semicolons or parentheses. Python relies on indentation,
using whitespace, to define scope; such as the scope of loops. functions and classes. Other
programming languages often use curly-brackets for this purpose.
 Python works on different platforms (Windows, Mac, Linux, Raspberry Pi, etc).
 Python has a simple syntax similar to the English language.
 Python has syntax that allows developers to write programs with fewer lines than some other
programming languages.
 Python runs on an interpreter system, meaning that code can be executed as soon as it is
written. This means thatprototyping can be very quick.
 Python can be treated in a procedural way, an object- oriented way or a functional way.
FEATURES OF PYTHON:
Easy to Learn and Use: Python has a simple syntax and structure that makes it easy to learn and use,
even for beginners.
Interpreted: Python is an interpreted language, which means that it can execute code directly without
the need for compilation. This makes it easier to test and debug code.
Multi-Platform Support: Python code can be run on a wide range of platforms, including Windows,
Linux, and macOS.

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Large Standard Library: Python comes with a large standard library that includes modules for a wide
range of applications, from web development to scientific computing.
Third-Party Libraries and Frameworks: Python has a large and active community of developers who
contribute to open-source libraries and frameworks, making it easy to find resources and support for building
and maintaining Python applications.

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SYSTEM DESIGN AND
DEVELOPMENT

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3.1 SYSTEM DESIGN AND DEVELOPMENT
3.1 DATA FLOW DIAGRAM
START
Get video URL
Paste Video URL
Extract video ID
Download Fetched video
END
Save file to directory

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3.2 MODULE DESCRIPTION
The project having two categories there are
1. File
1. Downloader
2. Mode
3. Help
4. Exit
File
A file description refers to a summary or a detailed explanation of the content, purpose, and structure of
a file. It is often used to provide context and help users understand the contents
Downloader
A video downloader is a type of downloader software that is specifically designed to download video
content from websites
Mode
Light mode and dark mode are two different display modes available in software applications and
devices that allow users to switch between light and dark color schemes.
Help
Help is a type of assistance or support provided to individuals who are in need of guidance, information,
or instruction.
Exit
Exit is a command or action that allows a user to close or terminate a program, application, or system.

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3.3 SYSTEM DESIGN
The most creative and challenging face of the system development is System Design. It
provides the understanding and procedural details necessary for the logical and physical stages of
development. In designing a new system, the system analyst must have a clear understanding of
the objectives, which the design is aiming to fulfill. The first step is to determine how the output
is to be produced and in what format. Second, input data and master files have to be designed to
meet the requirements ofthe proposed output. The operational phases are handled through program
construction and testing.
3.4 Input Design
In this software, importance is given to develop Graphical User Interface (GUI), which is
an important factor in developing efficient and user friendly software. For inputting user data,
attractive forms are designed. User can also select the desired options from the menu, which
provides all possible facilities. Also the important input format is designed in such a way that
accidental errors are avoided. The user has to input only just the minimum data required, which
also helps in avoiding the errors that the users may make. Accurate designing of the input format
is very important in developing efficient software. The goal of input design is to make entry as
easy, logical and free from errors.
3.5 Output Design
Definition
In the output design, the emphasis is on producing a hard copy of the
format. Two of the most output media
today are printers and the screen. Most users now access their reports from either a hard copy or
screen display. Computer’s output is the most important and direct source of information to the
user, efficient, logical, output design should improve the systems relations with the user and help
in decision-making.

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SAMPLE OUTPUT:
FILES:
ABOUT:

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Light mode:
YouTube video link:

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Contact us:
Gathering URL:

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File Directory:
Video Fetching:

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Path setting:
Downloader:

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3.6 Code Design
Asgi.py
"""
ASGI config for djangoProject project.
It exposes the ASGI callable as a module-level variable named ``application``.
For more information on this file, see
https://docs.djangoproject.com/en/3.1/howto/deployment/asgi/
"""
import os
from django.core.asgi import get_asgi_application
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'djangoProject.settings')
application = get_asgi_application()
settug.py
"""
Django settings for djangoProject project.
Generated by 'django-admin startproject' using Django 3.1.1.
https://docs.djangoproject.com/en/3.1/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.1/ref/settings/
"""

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from pathlib import
Pathimport os
# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path( file ).resolve().parent.parent
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '#r*6fh@d&_-_$=xai$jky0h^n(+y4s5jiu-4&w^1dkz=ex(7g2'
# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
ALLOWED_HOSTS = ['*']
# Application definition
INSTALLED_APPS = [
'ytdl',
'crispy_forms',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes'
,'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
]

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MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',

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'whitenoise.middleware.WhiteNoiseMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
ROOT_URLCONF = 'djangoProject.urls'
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [BASE_DIR / 'templates']
,
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
WSGI_APPLICATION = 'djangoProject.wsgi.application'
# Database
# https://docs.djangoproject.com/en/3.1/ref/settings/#databases
DATABASES = {
'default':

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'ENGINE': 'django.db.backends.sqlite3','NAME':
'test',
}
}
# Password validation
# https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
]
# Internationalization
#
https://docs.djangoproject.com/en/3.1/topics/i18n/
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True

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USE_L10N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.1/howto/static-files/
STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'static_serve', 'static_root')
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'static_serve', 'media_root')
STATICFILES_DIRS = [os.path.join(BASE_DIR, "static_files")]
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
CRISPY_TEMPLATE_PACK = 'bootstrap4'
# CORS_REPLACE_HTTPS_REFERER = False
# HOST_SCHEME = "http://"
# SECURE_PROXY_SSL_HEADER =
None# SECURE_SSL_REDIRECT = False
# SESSION_COOKIE_SECURE =
False# CSRF_COOKIE_SECURE = False
# SECURE_HSTS_SECONDS = None
# SECURE_HSTS_INCLUDE_SUBDOMAINS = False#
SECURE_FRAME_DENY = False

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URL.py
"""djangoProject URL Configuration
The `urlpatterns` list routes URLs to views. For more information please
see:https://docs.djangoproject.com/en/3.1/topics/http/urls/
Examples:
Function views
1. Add an import: from my_app import views
2. Add a URL to urlpatterns: path('', views.home, name='home')
Class-based views
1. Add an import: from other_app.views import Home
2. Add a URL to urlpatterns: path('', Home.as_view(),
name='home')Including another URLconf
1. Import the include() function: from django.urls import include, path
2. Add a URL to urlpatterns: path('blog/',
include('blog.urls'))"""
from django.contrib import admin
from django.urls import path
from ytdl import views
urlpatterns = [
path('', views.download_video),
]
Wagi.py
"""
WSGI config for djangoProject project.
It exposes the WSGI callable as a module-level variable named ``application``.
https://docs.djangoproject.com/en/3.1/howto/deployment/wsgi/
"""

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import os
from django.core.wsgi import get_wsgi_application
application = get_wsgi_application()
Manage.py
#!/usr/bin/env python
"""Django's command-line utility for administrative
tasks."""import os
import sys
def main():
"""Run administrative tasks."""
try:
from django.core.management import execute_from_command_line
except ImportError as exc:
raise ImportError(
"Couldn't import Django. Are you sure it's installed and "
"available on your PYTHONPATH environment variable? Did you "
"forget to activate a virtual environment?"
) from exc
execute_from_command_line(sys.argv)
if name == ' main ':
main()

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VIEW.PY
from django.shortcuts import render
# Create your views here.
from django.http import HttpResponse
from django.shortcuts import render
import youtube_dl
from .forms import DownloadForm
import re
def download_video(request):
global context
form = DownloadForm(request.POST or None)
if form.is_valid():
video_url = form.cleaned_data.get("url")
regex =
r'^(http(s)?://)?((w){3}.)?youtu(be|.be)?(.com)?/.+'if not
re.match(regex,video_url):
return HttpResponse('Enter correct url.')
ydl_opts = {}
try:
with youtube_dl.YoutubeDL(ydl_opts) as ydl:
meta = ydl.extract_info(
video_url,
download=False)
video_audio_streams = []
for m in meta['formats']:
file_size = m['filesize']
if file_size is not None:
file_size = f'{round(int(file_size) / 1000000,2)} mb'
resolution = 'Audio'

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if m['height'] is not None:
resolution = f"{m['height']}x{m['width']}"
video_audio_streams.append({
'resolution':
resolution,'extension':
m['ext'], 'file_size':
file_size, 'video_url':
m['url']
})
video_audio_streams = video_audio_streams[::-
1]context = {
'form': form,
'title': meta.get('title', None),
'streams': video_audio_streams,
'description':
meta.get('description'),
'likes': f'{int(meta.get("like_count", 0)):,}',
'dislikes': f'{int(meta.get("dislike_count", 0)):,}',
'thumb': meta.get('thumbnails')[3]['url'],
'duration': round(int(meta.get('duration', 1))/60,
2),'views': f'{int(meta.get("view_count")):,}'
}
return render(request, 'home.html',
context)except Exception as error:
return HttpResponse(error.args[0])
return render(request, 'home.html', {'form': form})

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TESTING AND IMPLEMENTATION

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4. TESTING AND IMPLEMENTATION
System testing is the state of implementation, which is aimed at ensuring that the System
Works accurate and efficient as expect before, live operation, commences. It certifies that the
whole set of programs hang together system testing requires a test plan, That consist f several key
activities and step for run program, string, system and user acceptance testing. the implementation
newly design package is important in adapting a successful new system
Testing is important stage in software development system test is implementation should
be as confirmation that all is correct and opportunity to show the user that the system works as
they expected it accounts the largest percentage of technical effort in software development
process
Testing phase development phase that validates the code against the functional
specification. testing is a vital the achievement the system goals the objective testing is to discover
errors, to fulfill this objective a series of test step such as the unit test , integration , validation and
system test where planned and executed.
Unit testing are called module testing. The following modules have been tested
• Link id - valid URL link.
• File Directory - valid location.
4.1 SYSTEM TESTING
UNIT TESTING

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INTEGRATION TESTING
Following modules have been integrated for evaluating the efficiency of interface
• Check mode -. Changing dark mode
• User module - insert, download, clear, exit, back
The acceptance is the final stage of the user the various possibilities of the data are entered and
the result are tested.
VAILIDATION TESTING
Software validatilon is achived through a series of test that demonstrates the
conformity and requirement thus the proposed system under consideration has to be tested by
validation and found to be working satisfactorily
4.2SYSTEM IMPLEMENTATION
Implementation is the final and important phase, the most critical stage in achieving a
successful new system and giving the user confidence. That the new system will work be effective
. The system can be implemented only after through testing is done and if it found to working
according to the specification

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5. CONCLUSION
The project is an attempt to develop a system that can be used computerization of activities in the
company . Since these activities are tedious process lot of effort, more care has taken for the system
development the requirements a suitable database is created maximum effort were taken to avoid
duplication in data entry and data storage various report generated by this system
The major advantage of the system is fast accurate information retrieval minimization of clerical
work, easy and efficient data storage and report generation
A features that is required for the YOUTUBE VIDEO DOWNLOADER has been finished
successfully.

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6. FUTURE ENHANCEMENTS
• Technology is constantly evolving and improved
• Cross platform compatibility has to be improved
• More securing issues have to be considered.
7.BIBLIOGRAPHY
7.1 REFERENCE BOOKS
 Python crash course – by Eric Matthes
 Fluent python – by Lynn Beighley & Michael Morrison
 Python Guide – by Vikram Vaswani
 Effective python – by Joel Murach & Ray Harris
 Python programming A Step-by-Step Guide to Creating Dynamic
Websites – by Robin Nixon
7.2 WEBSITE REFERENCE
7.2.1.1 https://www.tutorialspoint.com
7.2.1.2 https://www.w3schools.coM
7.2.1.3 https://www.youtube.com
7.2.1.4 www.visuastudio.com

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