Web application

As explained in Python How-To

A web application is software whose user interface and functionality are accessed through web technologies and a browser.

A web application delivers its interface and functionality through web technologies and a browser, making it accessible across platforms without client-side installation or configuration. section 14.4

A web application can organize a realistic task-management workflow around:

• Creating, viewing, editing, and deleting tasks. section 14.2.1
• Sorting and filtering task lists by selected criteria. section 14.2.1 section 14.4.2
• Separating navigation controls in a sidebar from task content in the main area. section 14.4.2

Task-management web application

A Python script can become a web application with Streamlit. Running `streamlit run taskier_app.py` launches it in the default browser. Streamlit supplies widgets such as buttons, text inputs, and choice controls, while the application provides task-list, detail, update, deletion, and creation views backed by a database. section 14.4.1 section 14.4.2

Figure 14.4 The key features of the task management app. In the app, users can create a new task; view, sort, and filter tasks; view a task’s details; and delete a task.

Use the feature map to survey the task-management actions exposed by the application. section 14.2.1

How Python How-To covers it

How deep it goes

Explains frontend implementation with Streamlit widgets and execution behavior, while deferring comprehensive framework instruction.

Examples

Demonstrates task lists, sorting, filtering, detail views, update forms, deletion controls, and new-task forms.

What it assumes

Assumes familiarity with Python and combines prior functions, classes, data types, virtual environments, and data models.

What you can do after

Build it with Streamlit by launching a Python script, arranging widgets, and implementing task-management interactions.

How it connects

Connects frontend design with Python scripts, widgets, data models, local databases, virtual environments, and browser delivery.

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Also explained in

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  Build Your Own Robot: Using Python, CRICKIT, and Raspberry PiA web application is software that provides interactive functionality through web technologies and network communication.
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  Build AI-Enhanced Web AppsA web application is software that runs through web technologies and is accessed via a web browser or web-based interface.
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  Build Applications with Local AI Models on a MacAn application whose user interface and functionality are delivered through a web browser.

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Related concepts

• Streamlitproduced by · Streamlit is an open-source Python framework for building interactive web applications, particularly for data and machine-learning applications.
• frontend developmenthas part · Frontend development is the practice of building the user-facing, client-side interfaces and behavior through which people interact with software.
• backendhas part · A backend is a software component or subsystem that provides underlying processing, data access, execution, or services to clients or other components, typically behind a user-facing interface.
• clientkind of · A client is a person, organization, device, or software component that receives or uses a product, service, resource, or functionality provided by another entity.
• distributed systemkind of · A distributed system is a computing system whose components run across multiple networked processes or machines and coordinate through communication.

This explainer was generated by Manning's knowledge graph from the text of Python How-To. The section links point to the parts of the book it draws on.