Tutorial: Flask

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Flask^{View Repo} is a lightweight web framework for Python. It helps you build web applications by handling incoming web requests and sending back responses. Flask provides tools for routing URLs to your Python functions, managing request data, creating responses, and using templates to generate HTML.

flowchart TD
    A0["0: Application Object (Flask)"]
    A1["1: Blueprints"]
    A2["2: Routing System"]
    A3["3: Request and Response Objects"]
    A4["4: Application and Request Contexts"]
    A5["5: Context Globals (current_app, request, session, g)"]
    A6["6: Configuration (Config)"]
    A7["7: Templating (Jinja2 Integration)"]
    A0 -- "Registers" --> A1
    A0 -- "Uses" --> A2
    A0 -- "Handles" --> A3
    A0 -- "Manages" --> A4
    A0 -- "Holds" --> A6
    A0 -- "Integrates" --> A7
    A1 -- "Defines routes using" --> A2
    A2 -- "Matches URL from" --> A3
    A3 -- "Bound within" --> A4
    A4 -- "Enables access to" --> A5
    A7 -- "Accesses" --> A5

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Table of contents

• Application Object (Flask)
• Routing System
• Request and Response Objects
• Templating (Jinja2 Integration)
• Context Globals
• Configuration (config)
• Application and Request Contexts
• Blueprints