Edron

Edron is a class-oriented Python authoring facade over Hedron. It keeps Hedron as the renderer, router, interaction, state, styling, and security authority.

import edron as ed

app = ed.App(title="Hello")


@app.page("/", title="Hello")
class Home(ed.Page):
    def render(self) -> None:
        self.heading("Hello, Edron")
        self.text("A small Python vocabulary over native Hedron.")

Edron 0.4 is an in-tree Beta implementation line. Native Hedron objects remain available through app.hedron and Page.include(). Use edron check for non-executing editor feedback, edron explain for source-mapped registration facts, and edron new for teaching scaffolds.

Phase 0.4 adds explicit visualization and media composition while keeping native Hedron as the rendering and security authority:

from pydantic import BaseModel
from hedron_charts import Chart, beginner_to_spec

chart = Chart(
    spec=beginner_to_spec(
        kind="line",
        data=rows,
        x="month",
        y="revenue",
        title="Revenue",
        description="Revenue by month",
    )
)


@app.page("/sales", title="Sales")
class Sales(ed.Page):
    def render(self) -> None:
        self.chart(chart, alternative="The table below contains the exact values.")
        self.image("/assets/sales.png", alt="Revenue trend")

Typed chart/map links are registered with app.chart_interaction(...) or app.map_interaction(...); they lower to native ChartInteraction/MapInteraction bundles and never execute client callbacks. Selection payloads remain bounded, typed, and subject to the native authorization and CSRF policies.

Data workspaces are explicit and application-owned:

columns = (ed.Column("id", read_only=True), ed.Column("name", writable=True))
source = ed.DataSource.in_memory(
    [{"id": "1", "name": "Ada"}],
    columns=columns,
    writable_fields=("name",),
)
workspace = ed.DataWorkspace("people", source=source, columns=columns)

Add an EditPolicy with explicit authorization to make a workspace editable. Edron never owns database sessions, transactions, authorization state, persistence, or audit storage.

Project links

Data verified by PyPI on Aug 26, 2026
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  • Released:
Newer release available (1.0.10)

1 maintainer

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Avatar for eddiethedean from gravatar.com eddiethedean

Credits

Author/Maintainer: Odos Matthews

GitHub Statistics

Data verified by PyPI on Aug 26, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

MIT
View SPDX License List

Requires

Python <3.15, >=3.11

Provides Extra

altair matplotlib pandas plotly polars pyarrow sqlalchemy

Tags

dashboard fastapi htmx python server-rendered

Classifiers

Report project as malware

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