hedron-flask
Flask adapter for Hedron component rendering and HTMX interactions.
Render Page / fragment components with the same hedron-core
renderer used by FastAPI, map portable InteractionResult values to native Flask
responses, and integrate CSRF double-submit cookies with Flask sessions. Does not
install FastAPI.
Package maturity: Beta · Train: 0.54.x (in-tree tip v0.54.0) · pin >=0.54.0,<0.55 (PyPI still >=0.52.0,<0.53 while deferred)
Adapter capability readiness is Supported when pinned — see What’s ready.
Install
pip install "hedron-flask>=0.52.0,<0.53"
# or
uv add "hedron-flask>=0.52.0,<0.53"
Requires Python 3.11–3.14, hedron-core, and Flask 3.x.
Scaffold a new Flask app:
uvx --from "hedron>=0.52.0,<0.53" hedron new --flask my-flask-app
Quick start
from flask import Flask
from hedron_core import Heading, Page, Text
from hedron_core.interaction import FragmentRegion, InteractionResult
from hedron_flask import HedronBlueprint, HedronFlask
hedron = HedronFlask()
ui = HedronBlueprint("ui", __name__)
PANEL = FragmentRegion(id="panel", selector="#panel")
@ui.page("/")
def home():
return Page(
Heading("Hello Flask", level=1),
Text("Native Flask routing with Hedron components."),
title="Home",
)
@ui.component("/fragment", fragment_regions=(PANEL,))
def fragment():
return InteractionResult(content=Text("Fragment ok"), explanation="demo")
def create_app() -> Flask:
app = Flask(__name__)
app.secret_key = "replace-in-production"
hedron.init_app(app)
app.register_blueprint(ui)
return app
flask --app app:create_app run --reload
What this package includes
HedronFlask/init_appapplication integrationHedronBlueprintwith@page/@component/@actionstyle routingcomponent_response/interaction_responsehelpers- Fragment region authorization and approved HTMX header merging
- Portable
SecurityPolicyheaders and Flask-LoginAuthSignalbridge - Job status polling helpers (
poll_status_response)
Links
- Add to an existing Flask app
- Adapters API
- Changelog
- Source
- Issues
- Flask reference example
hedron-core·hedron·hedron-django
License
MIT. See the repository license.
1 maintainer
Release files for hedron-flask 0.54.0
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Source distribution (sdist)
| File | Size | Uploaded | |
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| hedron_flask-0.54.0.tar.gz | 23.9 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| hedron_flask-0.54.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 49.7 kB
Release files / hedron_flask-0.54.0.tar.gz
| Download URL | hedron_flask-0.54.0.tar.gz |
|---|---|
| Size | 23.9 kB |
| Tags | Source |
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Release files / hedron_flask-0.54.0-py3-none-any.whl
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| Tags | Python 3 |
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