chore: import upstream snapshot with attribution

2026-07-13 12:48:47 +08:00
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+---
+layout: default
+title: "Flask"
+nav_order: 11
+has_children: true
+---
+
+# Tutorial: Flask
+
+> This tutorial is AI-generated! To learn more, check out [AI Codebase Knowledge Builder](https://github.com/The-Pocket/Tutorial-Codebase-Knowledge)
+
+Flask<sup>[View Repo](https://github.com/pallets/flask/tree/ab8149664182b662453a563161aa89013c806dc9/src/flask)</sup> 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.
+
+```mermaid
+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
+```