Inflow and Outflow record of money can be easily kept with the help of expense tracker. It helps to manage finances. In this project, we will develop an expense tracker that will track our expenses. Let’s start developing the project.
Learn more at :- https://techvidvan.com/courses/python-course-hindi/
This document provides an introduction to web development with the Django framework. It outlines Django's project structure, how it handles data with models, and its built-in admin interface. It also covers views, templates, forms, and generic views. Django allows defining models as Python classes to represent the database structure. It provides a production-ready admin interface to manage data. URLs are mapped to views, which can render templates to generate responses. Forms validate and display data. Generic views handle common tasks like displaying object lists.
This document outlines a Python/Django course provided by Epsilon Mobile Pte. Ltd. The course will teach students basic Python and Django skills over 12 sessions from September 19th to October 14th, 2011. Students will learn to build web applications using Python, Django, HTML, CSS and how to deploy their projects on a cloud server. The course will include lectures, exercises and a final project.
This document summarizes key aspects of using the Django web framework:
1) It describes how to start a new Django project, create apps, define models, migrate the database, and run the development server.
2) It explains how to build templates, map URLs, write views, and use templates to display data on pages.
3) It covers template inheritance, using parameters from URLs in views, and accessing context data from views in templates.
Django is a Python-based web framework that follows the MTV (Model-Template-View) design pattern. It allows developers to create dynamic websites and web applications by handling common tasks like database access, session management, and rendering templates. The document outlines how to create a Django project and app, configure settings like the database, and link views to URLs to handle requests and return responses.
This document provides an overview of Django, a popular Python web framework. It discusses key features of Django including its MVT architecture, ORM, admin interface, and template system. It also covers common Django practices like project structure, apps, settings, models, views, URLs, forms, and using the Django REST framework to build APIs. Major sections include installation, configuration, building models, views, templates, and forms.
Django is a Python web framework that encourages rapid development and clean, pragmatic design. It uses the MTV (Model Template View) pattern rather than MVC. Django features an ORM, form handling, template system and admin interface. To set up a Django project, you create a project directory, install Django, add apps, set up models and URLs, and develop templates and views. Django promotes loose coupling, DRY principles and writing minimal code.
This tutorial provides an overview of creating a sample Django application that demonstrates basic components including models, views, templates, URLs, forms, and the admin site. Key steps covered include:
- Setting up a Django project in Eclipse with Python, Django, SQLite
- Creating models, views, URLs, and templates
- Using the Django admin site to populate the database
- Displaying model data in templates
- Creating and processing a basic form
This document provides an introduction to web development with the Django framework. It outlines Django's project structure, how it handles data with models, and its built-in admin interface. It also covers views, templates, forms, and generic views. Django allows defining models as Python classes to represent the database structure. It provides a production-ready admin interface to manage data. URLs are mapped to views, which can render templates to generate responses. Forms validate and display data. Generic views handle common tasks like displaying object lists.
This document outlines a Python/Django course provided by Epsilon Mobile Pte. Ltd. The course will teach students basic Python and Django skills over 12 sessions from September 19th to October 14th, 2011. Students will learn to build web applications using Python, Django, HTML, CSS and how to deploy their projects on a cloud server. The course will include lectures, exercises and a final project.
This document summarizes key aspects of using the Django web framework:
1) It describes how to start a new Django project, create apps, define models, migrate the database, and run the development server.
2) It explains how to build templates, map URLs, write views, and use templates to display data on pages.
3) It covers template inheritance, using parameters from URLs in views, and accessing context data from views in templates.
Django is a Python-based web framework that follows the MTV (Model-Template-View) design pattern. It allows developers to create dynamic websites and web applications by handling common tasks like database access, session management, and rendering templates. The document outlines how to create a Django project and app, configure settings like the database, and link views to URLs to handle requests and return responses.
This document provides an overview of Django, a popular Python web framework. It discusses key features of Django including its MVT architecture, ORM, admin interface, and template system. It also covers common Django practices like project structure, apps, settings, models, views, URLs, forms, and using the Django REST framework to build APIs. Major sections include installation, configuration, building models, views, templates, and forms.
Django is a Python web framework that encourages rapid development and clean, pragmatic design. It uses the MTV (Model Template View) pattern rather than MVC. Django features an ORM, form handling, template system and admin interface. To set up a Django project, you create a project directory, install Django, add apps, set up models and URLs, and develop templates and views. Django promotes loose coupling, DRY principles and writing minimal code.
This tutorial provides an overview of creating a sample Django application that demonstrates basic components including models, views, templates, URLs, forms, and the admin site. Key steps covered include:
- Setting up a Django project in Eclipse with Python, Django, SQLite
- Creating models, views, URLs, and templates
- Using the Django admin site to populate the database
- Displaying model data in templates
- Creating and processing a basic form
Django is a Python web framework that encourages rapid development and clean design. It originated from the name of guitarist Django Reinhardt and was first released in 2005. Django emphasizes loose coupling, explicit configuration, and development speed. It uses the MTV pattern rather than MVC, with models, templates, and views instead of models, views, and controllers. The document then provides steps to create a Django project and blog application, including generating models, linking the app to the admin interface, setting up URLs and templates.
Easy Step-by-Step Guide to Develop REST APIs with Django REST FrameworkInexture Solutions
Thanks to its advantages, many are starting out with the Django framework. But how do you create REST APIs with it? Well, here’s your quick guide with simple steps and examples.
Django 3 is released with full async support! In this tutorial, we'll see by example how to create a CRUD application from scratch and step by step. We'll see how to configure a MySQL database, enable the admin interface, and create the django views.
Django is a Python web framework that allows for rapid development of web applications. It includes features like an object relational mapper, template language, form handling, and more. To use Django, you create models to define the application's data structures, views to handle requests and return responses, and URLs to map requests to views. The Django admin interface provides a quick way to manage models in the database. Overall, Django aims to relieve web developers of low-level tasks so they can focus on writing application logic.
This document provides an overview of the Django web framework. It discusses what Django is, how to install and create a Django project and app. It also covers Django's MVT architecture, model definitions, templates, views, URLs and common tags used in templates. Key topics covered include installing Django, generating a project and app, model definitions, template usage, URL mapping and parameters, the admin interface, forms, and sessions. The document serves as a tutorial for getting started with basic Django development.
This document provides an overview of the Django web framework. It begins with definitions of Django and its model-view-template architecture. It then discusses Django's design philosophies of being loosely coupled, encouraging less coding through the DRY principle, and enabling fast development. The document outlines how to set up a Django environment, create a project and apps, develop views, integrate templates, and link everything together through URLs. In summary, it serves as a seminar covering the basic concepts and processes for building websites using the Django web framework in Python.
This document provides instructions for setting up a Django development environment and creating a basic Django project with an app. It covers installing Python and Pipenv, creating a virtual environment, installing Django, generating a project scaffold, creating an app, configuring URLs and templates, making migrations and running the development server. It also discusses Django templates, forms, models, views and generic views at a high level.
Web development with django - Basics PresentationShrinath Shenoy
Django is a Python web framework that follows an MVT architecture. It uses ORM to interact with databases and includes templates to separate presentation from logic. Popular sites like Instagram and Mozilla use Django. A Django project is created using the startproject command and contains apps, URLs, views, models, forms, and templates. Django encourages DRY principles and reusability through its built-in features, plugins, and customizable components.
Rails Plugins - Linux For You, March 2011 IssueSagar Arlekar
'Linux For You' article by http://foodlets.in founders Govind Naroji and Sagar Arlekar.
This is a tutorial on will_paginate (pagination), authlogic + omniauth (authentication) and paperclip (file attachments) plugins.
This document summarizes a hands-on session on the Django web framework. It introduces Django's architecture, installation process, basic usage including templates, models, and the ORM. Key features covered include generating static and dynamic pages, creating and querying database models, and rendering data in templates. The session demonstrates setting up a basic Django project and application with models, views, URLs and templates to display hard-coded and database content.
GDG Addis - An Introduction to Django and App EngineYared Ayalew
This document provides an overview of developing and deploying Django applications to Google App Engine. It begins with an introduction to Django and how to set up a Django development environment using virtualenv and pip. It then covers common Django components like models, views, templates, URLs and forms. It concludes with a brief discussion of deploying Django applications to App Engine. The key topics covered include setting up a virtual environment for Django development, the model-view-template architecture of Django, and using Django tools and components to build an application that can be deployed to App Engine.
The Role of Python in SPAs (Single-Page Applications)David Gibbons
The document discusses using Python to build single-page applications (SPAs). It introduces SPAs and how they work by loading a single HTML page and dynamically updating content via JavaScript. The speaker then outlines a Python-based SPA architecture using a Django REST API and frontend code. As an example, a movie application is presented that separates the API from the AngularJS frontend. The API uses the Django REST framework and is tested programmatically.
Django Introduction Osscamp Delhi September 08 09 2007 Mir NazimMir Nazim
Django is a high-level Python web framework that abstracts away common problems of web development. It provides shortcuts for building dynamic websites and includes features like URL mapping, templates, forms handling, database access, and more. The document provides an overview of Django and walks through building a sample polls application to demonstrate key aspects like models, views, templates, and the admin interface.
1. The document provides an overview of Django, an open-source web framework. It discusses Django's MVT architecture, installing Django, creating projects and apps, models, views, templates, and customizing the admin interface.
2. Key aspects covered include using models to define the database structure, views to contain logic and handle requests/responses, templates to separate design from code, and the admin interface to manage data.
3. The document demonstrates how to configure URLs and associate them with views, build templates that use variables and logic, and customize the admin panel through model registration and custom classes.
Django is a Python-based MVC web framework. It follows an MTV pattern where the Model represents the business logic and database, the Template displays data, and the View connects Models and Templates by handling requests and returning responses. The presentation discusses why use Python and Django, what MVC is, and each component of MTV in Django - Models define database schemas, Views handle requests and return responses using Templates, and the framework handles common tasks like authentication, internationalization, and more. It also introduces Django Admin which automatically generates interfaces to manage database objects.
An Introduction to Django Web FrameworkDavid Gibbons
Django is a Python web framework created in 2003 that encourages rapid development and clean, pragmatic design. It uses a Model-View-Controller architectural pattern with models representing database tables, views containing logic, and templates for user-facing content. Some key features include automatically generated admin interfaces, URL routing, forms handling, internationalization support, and various utilities like static file management. Django is highly customizable and promotes code reuse and modularity through applications that can be combined for a project. It is one of the most popular web frameworks and powers many major sites today.
Google App Engine in 40 minutes (the absolute essentials)Python Ireland
This talk covers just the stuff needed to get you up-to-speed with Google App Engine and its associated technologies (based on the Python run-time, of course). In addition to a bit of talking, Paul will also demo a working webapp built and deployed on the App Engine cloud... all in 40 minutes.
Django is very stable web-framework that has been actively developed over past ten years. There might be many tutorials and talks out there about Django but there is hardly one that is more catered to mobile developers. After all, mobile developers have to carefully choose a backend for their app because it’s the building block of a good project.This talk is not only for mobile app developers but also for beginners in both Python and Django. This talk will suggest libraries and show how they can help you implement a wonderful and flexible project. Video : https://www.youtube.com/watch?v=-RpxpKuyCBE&t=1s
Monitoring and Managing Anomaly Detection on OpenShift.pdfTosin Akinosho
Monitoring and Managing Anomaly Detection on OpenShift
Overview
Dive into the world of anomaly detection on edge devices with our comprehensive hands-on tutorial. This SlideShare presentation will guide you through the entire process, from data collection and model training to edge deployment and real-time monitoring. Perfect for those looking to implement robust anomaly detection systems on resource-constrained IoT/edge devices.
Key Topics Covered
1. Introduction to Anomaly Detection
- Understand the fundamentals of anomaly detection and its importance in identifying unusual behavior or failures in systems.
2. Understanding Edge (IoT)
- Learn about edge computing and IoT, and how they enable real-time data processing and decision-making at the source.
3. What is ArgoCD?
- Discover ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes, and its role in deploying applications on edge devices.
4. Deployment Using ArgoCD for Edge Devices
- Step-by-step guide on deploying anomaly detection models on edge devices using ArgoCD.
5. Introduction to Apache Kafka and S3
- Explore Apache Kafka for real-time data streaming and Amazon S3 for scalable storage solutions.
6. Viewing Kafka Messages in the Data Lake
- Learn how to view and analyze Kafka messages stored in a data lake for better insights.
7. What is Prometheus?
- Get to know Prometheus, an open-source monitoring and alerting toolkit, and its application in monitoring edge devices.
8. Monitoring Application Metrics with Prometheus
- Detailed instructions on setting up Prometheus to monitor the performance and health of your anomaly detection system.
9. What is Camel K?
- Introduction to Camel K, a lightweight integration framework built on Apache Camel, designed for Kubernetes.
10. Configuring Camel K Integrations for Data Pipelines
- Learn how to configure Camel K for seamless data pipeline integrations in your anomaly detection workflow.
11. What is a Jupyter Notebook?
- Overview of Jupyter Notebooks, an open-source web application for creating and sharing documents with live code, equations, visualizations, and narrative text.
12. Jupyter Notebooks with Code Examples
- Hands-on examples and code snippets in Jupyter Notebooks to help you implement and test anomaly detection models.
Contenu connexe
Similaire à Python Expense Tracker Project with Source Code.pdf
Django is a Python web framework that encourages rapid development and clean design. It originated from the name of guitarist Django Reinhardt and was first released in 2005. Django emphasizes loose coupling, explicit configuration, and development speed. It uses the MTV pattern rather than MVC, with models, templates, and views instead of models, views, and controllers. The document then provides steps to create a Django project and blog application, including generating models, linking the app to the admin interface, setting up URLs and templates.
Easy Step-by-Step Guide to Develop REST APIs with Django REST FrameworkInexture Solutions
Thanks to its advantages, many are starting out with the Django framework. But how do you create REST APIs with it? Well, here’s your quick guide with simple steps and examples.
Django 3 is released with full async support! In this tutorial, we'll see by example how to create a CRUD application from scratch and step by step. We'll see how to configure a MySQL database, enable the admin interface, and create the django views.
Django is a Python web framework that allows for rapid development of web applications. It includes features like an object relational mapper, template language, form handling, and more. To use Django, you create models to define the application's data structures, views to handle requests and return responses, and URLs to map requests to views. The Django admin interface provides a quick way to manage models in the database. Overall, Django aims to relieve web developers of low-level tasks so they can focus on writing application logic.
This document provides an overview of the Django web framework. It discusses what Django is, how to install and create a Django project and app. It also covers Django's MVT architecture, model definitions, templates, views, URLs and common tags used in templates. Key topics covered include installing Django, generating a project and app, model definitions, template usage, URL mapping and parameters, the admin interface, forms, and sessions. The document serves as a tutorial for getting started with basic Django development.
This document provides an overview of the Django web framework. It begins with definitions of Django and its model-view-template architecture. It then discusses Django's design philosophies of being loosely coupled, encouraging less coding through the DRY principle, and enabling fast development. The document outlines how to set up a Django environment, create a project and apps, develop views, integrate templates, and link everything together through URLs. In summary, it serves as a seminar covering the basic concepts and processes for building websites using the Django web framework in Python.
This document provides instructions for setting up a Django development environment and creating a basic Django project with an app. It covers installing Python and Pipenv, creating a virtual environment, installing Django, generating a project scaffold, creating an app, configuring URLs and templates, making migrations and running the development server. It also discusses Django templates, forms, models, views and generic views at a high level.
Web development with django - Basics PresentationShrinath Shenoy
Django is a Python web framework that follows an MVT architecture. It uses ORM to interact with databases and includes templates to separate presentation from logic. Popular sites like Instagram and Mozilla use Django. A Django project is created using the startproject command and contains apps, URLs, views, models, forms, and templates. Django encourages DRY principles and reusability through its built-in features, plugins, and customizable components.
Rails Plugins - Linux For You, March 2011 IssueSagar Arlekar
'Linux For You' article by http://foodlets.in founders Govind Naroji and Sagar Arlekar.
This is a tutorial on will_paginate (pagination), authlogic + omniauth (authentication) and paperclip (file attachments) plugins.
This document summarizes a hands-on session on the Django web framework. It introduces Django's architecture, installation process, basic usage including templates, models, and the ORM. Key features covered include generating static and dynamic pages, creating and querying database models, and rendering data in templates. The session demonstrates setting up a basic Django project and application with models, views, URLs and templates to display hard-coded and database content.
GDG Addis - An Introduction to Django and App EngineYared Ayalew
This document provides an overview of developing and deploying Django applications to Google App Engine. It begins with an introduction to Django and how to set up a Django development environment using virtualenv and pip. It then covers common Django components like models, views, templates, URLs and forms. It concludes with a brief discussion of deploying Django applications to App Engine. The key topics covered include setting up a virtual environment for Django development, the model-view-template architecture of Django, and using Django tools and components to build an application that can be deployed to App Engine.
The Role of Python in SPAs (Single-Page Applications)David Gibbons
The document discusses using Python to build single-page applications (SPAs). It introduces SPAs and how they work by loading a single HTML page and dynamically updating content via JavaScript. The speaker then outlines a Python-based SPA architecture using a Django REST API and frontend code. As an example, a movie application is presented that separates the API from the AngularJS frontend. The API uses the Django REST framework and is tested programmatically.
Django Introduction Osscamp Delhi September 08 09 2007 Mir NazimMir Nazim
Django is a high-level Python web framework that abstracts away common problems of web development. It provides shortcuts for building dynamic websites and includes features like URL mapping, templates, forms handling, database access, and more. The document provides an overview of Django and walks through building a sample polls application to demonstrate key aspects like models, views, templates, and the admin interface.
1. The document provides an overview of Django, an open-source web framework. It discusses Django's MVT architecture, installing Django, creating projects and apps, models, views, templates, and customizing the admin interface.
2. Key aspects covered include using models to define the database structure, views to contain logic and handle requests/responses, templates to separate design from code, and the admin interface to manage data.
3. The document demonstrates how to configure URLs and associate them with views, build templates that use variables and logic, and customize the admin panel through model registration and custom classes.
Django is a Python-based MVC web framework. It follows an MTV pattern where the Model represents the business logic and database, the Template displays data, and the View connects Models and Templates by handling requests and returning responses. The presentation discusses why use Python and Django, what MVC is, and each component of MTV in Django - Models define database schemas, Views handle requests and return responses using Templates, and the framework handles common tasks like authentication, internationalization, and more. It also introduces Django Admin which automatically generates interfaces to manage database objects.
An Introduction to Django Web FrameworkDavid Gibbons
Django is a Python web framework created in 2003 that encourages rapid development and clean, pragmatic design. It uses a Model-View-Controller architectural pattern with models representing database tables, views containing logic, and templates for user-facing content. Some key features include automatically generated admin interfaces, URL routing, forms handling, internationalization support, and various utilities like static file management. Django is highly customizable and promotes code reuse and modularity through applications that can be combined for a project. It is one of the most popular web frameworks and powers many major sites today.
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This talk covers just the stuff needed to get you up-to-speed with Google App Engine and its associated technologies (based on the Python run-time, of course). In addition to a bit of talking, Paul will also demo a working webapp built and deployed on the App Engine cloud... all in 40 minutes.
Django is very stable web-framework that has been actively developed over past ten years. There might be many tutorials and talks out there about Django but there is hardly one that is more catered to mobile developers. After all, mobile developers have to carefully choose a backend for their app because it’s the building block of a good project.This talk is not only for mobile app developers but also for beginners in both Python and Django. This talk will suggest libraries and show how they can help you implement a wonderful and flexible project. Video : https://www.youtube.com/watch?v=-RpxpKuyCBE&t=1s
Similaire à Python Expense Tracker Project with Source Code.pdf (20)
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Dive into the world of anomaly detection on edge devices with our comprehensive hands-on tutorial. This SlideShare presentation will guide you through the entire process, from data collection and model training to edge deployment and real-time monitoring. Perfect for those looking to implement robust anomaly detection systems on resource-constrained IoT/edge devices.
Key Topics Covered
1. Introduction to Anomaly Detection
- Understand the fundamentals of anomaly detection and its importance in identifying unusual behavior or failures in systems.
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- Learn about edge computing and IoT, and how they enable real-time data processing and decision-making at the source.
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Power Grid Model
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Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-und-domino-lizenzkostenreduzierung-in-der-welt-von-dlau/
DLAU und die Lizenzen nach dem CCB- und CCX-Modell sind für viele in der HCL-Community seit letztem Jahr ein heißes Thema. Als Notes- oder Domino-Kunde haben Sie vielleicht mit unerwartet hohen Benutzerzahlen und Lizenzgebühren zu kämpfen. Sie fragen sich vielleicht, wie diese neue Art der Lizenzierung funktioniert und welchen Nutzen sie Ihnen bringt. Vor allem wollen Sie sicherlich Ihr Budget einhalten und Kosten sparen, wo immer möglich. Das verstehen wir und wir möchten Ihnen dabei helfen!
Wir erklären Ihnen, wie Sie häufige Konfigurationsprobleme lösen können, die dazu führen können, dass mehr Benutzer gezählt werden als nötig, und wie Sie überflüssige oder ungenutzte Konten identifizieren und entfernen können, um Geld zu sparen. Es gibt auch einige Ansätze, die zu unnötigen Ausgaben führen können, z. B. wenn ein Personendokument anstelle eines Mail-Ins für geteilte Mailboxen verwendet wird. Wir zeigen Ihnen solche Fälle und deren Lösungen. Und natürlich erklären wir Ihnen das neue Lizenzmodell.
Nehmen Sie an diesem Webinar teil, bei dem HCL-Ambassador Marc Thomas und Gastredner Franz Walder Ihnen diese neue Welt näherbringen. Es vermittelt Ihnen die Tools und das Know-how, um den Überblick zu bewahren. Sie werden in der Lage sein, Ihre Kosten durch eine optimierte Domino-Konfiguration zu reduzieren und auch in Zukunft gering zu halten.
Diese Themen werden behandelt
- Reduzierung der Lizenzkosten durch Auffinden und Beheben von Fehlkonfigurationen und überflüssigen Konten
- Wie funktionieren CCB- und CCX-Lizenzen wirklich?
- Verstehen des DLAU-Tools und wie man es am besten nutzt
- Tipps für häufige Problembereiche, wie z. B. Team-Postfächer, Funktions-/Testbenutzer usw.
- Praxisbeispiele und Best Practices zum sofortigen Umsetzen
2. Inflow and Outflow record of money can be easily kept with the help of
expense tracker. It helps to manage finances. In this project, we will develop
an expense tracker that will track our expenses. Let’s start developing the
project.
Python Expense Tracker Project
In this python django project, we will create an expense tracker that will take
details of our expenses. While filling the signup form a person will also need to
fill in the details about the income and the amount he/she wants to save. Some
people earn on a daily basis, so their income can also be added on a regular
basis. Details of expenses will be shown in the form of a pie chart on a weekly,
monthly, and yearly basis. Installation of django is a must to start with the
Expense Tracker project.
Project Prerequisites
Sound knowledge of django framework, html, css, javascript and python is
required before starting this Expense Tracker project of Python.
Download Python Expense Tracker Project
Code
Download source code of python expense tracker: Expense Tracker Project
Code
Project File Structure
3. 1. Install django framework
2. Create a project and an app
3. Models.py
4. Admin.py
5. Urls.py
6. Views.py
1. Install django framework:
To begin with the project, you need to install django on your system. To install
django, write the following command on cmd or terminal window.
Pip install django
2. Create a project and an app:
We will create a new project named ExpenseTracker and an app to start the
project. Write the following command on the terminal window.
django-admin startproject ExpenseTracker
python mange.py startapp home
Create a template and static folder to store your files. Template folder will
contain all the html files. Static folder will contain all the css files ,images and
javascript files.
3. Models.py
Database connectivity is done with the help of models.py. Create the following
models in models.py file in the app of your project.
4. from django.db import models
from django.utils.timezone import now
from django.contrib.auth.models import User
from django.conf import settings
from django.db.models.signals import post_save
from django.dispatch import receiver
from django.db.models import Sum
#Create your models here.
SELECT_CATEGORY_CHOICES = [
("Food","Food"),
("Travel","Travel"),
("Shopping","Shopping"),
("Necessities","Necessities"),
("Entertainment","Entertainment"),
("Other","Other")
]
ADD_EXPENSE_CHOICES = [
("Expense","Expense"),
("Income","Income")
]
PROFESSION_CHOICES =[
("Employee","Employee"),
6. Code Explanation:
SELECT_CATEGORY_CHOICES , EXPENSE_CHOICES ,
PROFESSION_CHOICES contain the list of options that will be given while
filling the expense form.
a. Foreign key: It establishes many to one relationship.
b. Charfield():It stores small and large size strings in the database.
c. BigIntegerField():It can store numbers from -9223372036854775808 to
9223372036854775807 in the database.
d. Datefield(): It accepts date as input.
e. Integerfield():It stores integer numbers in a database.
f. Imagefield():It stores images in the database.
4. Admin.py
It will help register the tables in the database.
# Register your models here.
from .models import Addmoney_info
7. From django.contrib import admin
class Addmoney_infoAdmin(admin.ModelAdmin):
list_display=("user","quantity","Date","Category","add_money")
admin.site.register(Addmoney_info,Addmoney_infoAdmin)
from django.contrib.sessions.models import Session
admin.site.register(Session)
from .models import UserProfile
admin.site.register(UserProfile)
Code Explanation:
Addmoney_info, UserProfile are the names of the models that we want to
register in the database. list_display contains the name of the columns that
will be displayed in the database.
To store these models in the database, run the following command:
python manage.py makemigrations
python manage.py migrate
For accessing the database, create the superuser. To create a superuser run the
following command on your terminal window.
python manage.py createsuperuser
5. Urls.py
from django.contrib import admin
from django.urls import path
8. from django.urls import include
from . import views
from django.contrib.auth import views as auth_views
urlpatterns = [
path('', views.home, name='home'),
path('index/', views.index, name='index'),
path('register/',views.register,name='register'),
path('handleSignup/',views.handleSignup,name='handleSignup'),
path('handlelogin/',views.handlelogin,name='handlelogin'),
path('handleLogout/',views.handleLogout,name='handleLogout'),
path('reset_password/',auth_views.PasswordResetView.as_view(template_name =
"home/reset_password.html"),name='reset_password'),
path('reset_password_sent/',auth_views.PasswordResetDoneView.as_view(template_n
ame="home/reset_password_sent.html"),name='password_reset_done'),
path('reset/<uidb64>/<token>/',auth_views.PasswordResetConfirmView.as_view(temp
late_name ="home/password_reset_form.html"),name='password_reset_confirm'),
path('reset_password_complete/',auth_views.PasswordResetView.as_view(template_n
ame ="home/password_reset_done.html"),name='password_reset_complete'),
path('addmoney/',views.addmoney,name='addmoney'),
path('addmoney_submission/',views.addmoney_submission,name='addmoney_submission
'),
path('charts/',views.charts,name='charts'),
10. b. include(): An element is returned by it, to include that element in
urlpatterns.
6. Views.py
a. Importing modules
from django.shortcuts import render,HttpResponse,redirect
from django.contrib import messages
from django.contrib.auth import authenticate ,logout
from django.contrib.auth import login as dj_login
from django.contrib.auth.models import User
from .models import Addmoney_info,UserProfile
from django.contrib.sessions.models import Session
from django.core.paginator import Paginator, EmptyPage , PageNotAnInteger
from django.db.models import Sum
from django.http import JsonResponse
import datetime
from django.utils import timezone
Code Explanation:
a. Render: It returns the Httpresponse object and combines the template with
the dictionary that is mentioned in it.
b. HttpResponse: It displays a text response to the user.
c. Redirect: It redirects the user to the specified url.
11. d. Messages: It helps to store and display messages to the user on the screen.
e. Authenticate: It verifies the user.
f. User: This model handles authentication as well as authorization.
g. Session: It helps the user to access only their data. Without sessions, every
user’s data will be displayed to the user.
h. Paginator: It is used to manage paginated data.
i. datetime:It is used to get the current date and time.
b. Login and Index function
def home(request):
if request.session.has_key('is_logged'):
return redirect('/index')
return render(request,'home/login.html')
# return HttpResponse('This is home')
def index(request):
if request.session.has_key('is_logged'):
user_id = request.session["user_id"]
user = User.objects.get(id=user_id)
addmoney_info =
Addmoney_info.objects.filter(user=user).order_by('-Date')
paginator = Paginator(addmoney_info , 4)
page_number = request.GET.get('page')
page_obj = Paginator.get_page(paginator,page_number)
context = {
12. # 'add_info' : addmoney_info,
'page_obj' : page_obj
}
#if request.session.has_key('is_logged'):
return render(request,'home/index.html',context)
return redirect('home')
Code Explanation:
home() is a function that allows the user to access the dashboard once the user
is logged in. index() function contains the backend of the dashboard page.
a. filter(): Queryset is filtered by filter().
b. get(): Single unique object can be obtained with get().
c. order_by(): It orders the queryset.
c. Other Functions
def addmoney(request):
return render(request,'home/addmoney.html')
def profile(request):
if request.session.has_key('is_logged'):
return render(request,'home/profile.html')
return redirect('/home')
def profile_edit(request,id):
13. if request.session.has_key('is_logged'):
add = User.objects.get(id=id)
return render(request,'home/profile_edit.html',{'add':add})
return redirect("/home")
Code Explanation:
The first function redirects the user to the page where we can enter our
expenses and income. profile() function redirects the user to the profile page
where information of the user is displayed. profile_edit() redirects to the page
where information of the user can be edited. These pages can only be accessed
if the user is logged in.
d. Updating Profile
def profile_update(request,id):
if request.session.has_key('is_logged'):
if request.method == "POST":
user = User.objects.get(id=id)
user.first_name = request.POST["fname"]
user.last_name = request.POST["lname"]
user.email = request.POST["email"]
user.userprofile.Savings = request.POST["Savings"]
user.userprofile.income = request.POST["income"]
user.userprofile.profession = request.POST["profession"]
14. user.userprofile.save()
user.save()
return redirect("/profile")
return redirect("/home")
Code Explanation:
profile_update() function performs the backend of the edit profile form.
User.objects.get() gets all the information of the user then all the updated
information is saved again. This function is performed by save().
e. Signup, Login, and Logout backend:
def handleSignup(request):
if request.method =='POST':
# get the post parameters
uname = request.POST["uname"]
fname=request.POST["fname"]
lname=request.POST["lname"]
email = request.POST["email"]
profession = request.POST['profession']
Savings = request.POST['Savings']
income = request.POST['income']
pass1 = request.POST["pass1"]
pass2 = request.POST["pass2"]
15. profile = UserProfile(Savings =
Savings,profession=profession,income=income)
# check for errors in input
if request.method == 'POST':
try:
user_exists =
User.objects.get(username=request.POST['uname'])
messages.error(request," Username already taken, Try
something else!!!")
return redirect("/register")
except User.DoesNotExist:
if len(uname)>15:
messages.error(request," Username must be max 15
characters, Please try again")
return redirect("/register")
if not uname.isalnum():
messages.error(request," Username should only contain
letters and numbers, Please try again")
return redirect("/register")
if pass1 != pass2:
messages.error(request," Password do not match, Please
try again")
16. return redirect("/register")
# create the user
user = User.objects.create_user(uname, email, pass1)
user.first_name=fname
user.last_name=lname
user.email = email
# profile = UserProfile.objects.all()
user.save()
# p1=profile.save(commit=False)
profile.user = user
profile.save()
messages.success(request," Your account has been successfully
created")
return redirect("/")
else:
return HttpResponse('404 - NOT FOUND ')
return redirect('/login')
def handlelogin(request):
if request.method =='POST':
# get the post parameters
loginuname = request.POST["loginuname"]
17. loginpassword1=request.POST["loginpassword1"]
user = authenticate(username=loginuname, password=loginpassword1)
if user is not None:
dj_login(request, user)
request.session['is_logged'] = True
user = request.user.id
request.session["user_id"] = user
messages.success(request, " Successfully logged in")
return redirect('/index')
else:
messages.error(request," Invalid Credentials, Please try again")
return redirect("/")
return HttpResponse('404-not found')
def handleLogout(request):
del request.session['is_logged']
del request.session["user_id"]
logout(request)
messages.success(request, " Successfully logged out")
return redirect('home')
Code Explanation:
18. handlesignup() function handles the backend of signup form. Uname, fname,
lname, email , pass1, pass2, income, savings and profession will store the
information of the form in these variables.
Various conditions are there to sign up . The username should be unique,
pass1 and pass 2 should be the same and also the length of the username
should be maximum 15 characters. handlelogin() handles the backend of the
login page. If the information entered by the user is correct, the user will be
redirected to the dashboard. handleLogout() handles the backend of logout.
a. error(): This function gives the error message on the screen if a condition is
not satisfied.
b. len():This function returns the length of the string, array, dictionary etc.
c. success():If a condition is satisfied, it displays the message that is specified
in the parentheses.
f. Add Money Form and Add Money Update Backend:
def addmoney_submission(request):
if request.session.has_key('is_logged'):
if request.method == "POST":
user_id = request.session["user_id"]
user1 = User.objects.get(id=user_id)
addmoney_info1 =
Addmoney_info.objects.filter(user=user1).order_by('-Date')
add_money = request.POST["add_money"]
20. add .save()
return redirect("/index")
return redirect("/home")
Code Explanation:
addmoney_submission() handles the backend of the form we filled for our
daily expenses. addmoney_update() saves the information of the form after
we have edited .
g. Expense Edit and Expense Delete Backend:
def expense_edit(request,id):
if request.session.has_key('is_logged'):
addmoney_info = Addmoney_info.objects.get(id=id)
user_id = request.session["user_id"]
user1 = User.objects.get(id=user_id)
return
render(request,'home/expense_edit.html',{'addmoney_info':addmoney_info})
return redirect("/home")
def expense_delete(request,id):
if request.session.has_key('is_logged'):
addmoney_info = Addmoney_info.objects.get(id=id)
addmoney_info.delete()
return redirect("/index")
return redirect("/home")
21. Code Explanation:
expense_edit() form redirects the user to the edit form and also extracts the
details of the user from the database and displays it on the screen.
expense_delete() helps in deleting the expenses.
h. Monthly, weekly , yearly expense Backend
def expense_month(request):
todays_date = datetime.date.today()
one_month_ago = todays_date-datetime.timedelta(days=30)
user_id = request.session["user_id"]
user1 = User.objects.get(id=user_id)
addmoney = Addmoney_info.objects.filter(user =
user1,Date__gte=one_month_ago,Date__lte=todays_date)
finalrep ={}
def get_Category(addmoney_info):
# if addmoney_info.add_money=="Expense":
return addmoney_info.Category
Category_list = list(set(map(get_Category,addmoney)))
def get_expense_category_amount(Category,add_money):
quantity = 0
filtered_by_category = addmoney.filter(Category =
Category,add_money="Expense")
for item in filtered_by_category:
22. quantity+=item.quantity
return quantity
for x in addmoney:
for y in Category_list:
finalrep[y]= get_expense_category_amount(y,"Expense")
return JsonResponse({'expense_category_data': finalrep}, safe=False)
def stats(request):
if request.session.has_key('is_logged') :
todays_date = datetime.date.today()
one_month_ago = todays_date-datetime.timedelta(days=30)
user_id = request.session["user_id"]
user1 = User.objects.get(id=user_id)
addmoney_info = Addmoney_info.objects.filter(user =
user1,Date__gte=one_month_ago,Date__lte=todays_date)
sum = 0
for i in addmoney_info:
if i.add_money == 'Expense':
sum=sum+i.quantity
addmoney_info.sum = sum
sum1 = 0
for i in addmoney_info:
if i.add_money == 'Income':
24. Category_list = list(set(map(get_Category,addmoney)))
def get_expense_category_amount(Category,add_money):
quantity = 0
filtered_by_category = addmoney.filter(Category =
Category,add_money="Expense")
for item in filtered_by_category:
quantity+=item.quantity
return quantity
for x in addmoney:
for y in Category_list:
finalrep[y]= get_expense_category_amount(y,"Expense")
return JsonResponse({'expense_category_data': finalrep}, safe=False)
def weekly(request):
if request.session.has_key('is_logged') :
todays_date = datetime.date.today()
one_week_ago = todays_date-datetime.timedelta(days=7)
user_id = request.session["user_id"]
user1 = User.objects.get(id=user_id)
addmoney_info = Addmoney_info.objects.filter(user =
user1,Date__gte=one_week_ago,Date__lte=todays_date)
sum = 0
for i in addmoney_info:
25. if i.add_money == 'Expense':
sum=sum+i.quantity
addmoney_info.sum = sum
sum1 = 0
for i in addmoney_info:
if i.add_money == 'Income':
sum1 =sum1+i.quantity
addmoney_info.sum1 = sum1
x= user1.userprofile.Savings+addmoney_info.sum1 - addmoney_info.sum
y= user1.userprofile.Savings+addmoney_info.sum1 - addmoney_info.sum
if x<0:
messages.warning(request,'Your expenses exceeded your savings')
x = 0
if x>0:
y = 0
addmoney_info.x = abs(x)
addmoney_info.y = abs(y)
return render(request,'home/weekly.html',{'addmoney_info':addmoney_info})
def check(request):
if request.method == 'POST':
user_exists = User.objects.filter(email=request.POST['email'])
messages.error(request,"Email not registered, TRY AGAIN!!!")
26. return redirect("/reset_password")
def info_year(request):
todays_date = datetime.date.today()
one_week_ago = todays_date-datetime.timedelta(days=30*12)
user_id = request.session["user_id"]
user1 = User.objects.get(id=user_id)
addmoney = Addmoney_info.objects.filter(user =
user1,Date__gte=one_week_ago,Date__lte=todays_date)
finalrep ={}
def get_Category(addmoney_info):
return addmoney_info.Category
Category_list = list(set(map(get_Category,addmoney)))
def get_expense_category_amount(Category,add_money):
quantity = 0
filtered_by_category = addmoney.filter(Category =
Category,add_money="Expense")
for item in filtered_by_category:
quantity+=item.quantity
return quantity
for x in addmoney:
for y in Category_list:
finalrep[y]= get_expense_category_amount(y,"Expense")
return JsonResponse({'expense_category_data': finalrep}, safe=False)
27. def info(request):
return render(request,'home/info.html')
Code Explanation:
expense_month() function gets the data of the expenses of the current month.
get_category() function gets the category (expense/income) from the
database. get_expense_category_amount() fetches the amount from the
database of the category(expense). stats() function calculates the overall
expenses and savings made by the user in a month. expense_week() and
info_year() performs the same function as expense_month() but on a weekly
basis. weekly() gets the amount saved in a month and also the overall expenses
of a user.
Python Expense Tracker Output:
Login Form:
31. We have successfully created the expense tracker project in python. We
learned a variety of concepts while making this project.
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