trame-server
Internal server side implementation of trame
Decision gist · record as of 2026-08-14
Yes, if you are building a trame application. Install it as a dependency of trame rather than directly. The package is actively maintained, has low installation friction, uses a permissive license, carries no known vulnerabilities, and is positioned in the top 5000 PyPI packages by download volume. It is production-stable and suitable for both prototyping and deployment.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Intended as a dependency of trame rather than direct use; consult trame documentation for full application setup.
- Low friction installation with a pure-Python wheel.
License · maintenance · safety
Apache License 2.0 (permissive) — Licensed under Apache License 2.0 (permissive). You may use, modify, and distribute this package freely in commercial and private projects, provided you include the license notice.
last release 2026-08-08 (6 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 921,567 downloads/mo, #4,717 on PyPI
Alternatives
Verify before relying
pip install trame-server
from trame.app import Trame
app = Trame()
app.server.start()- Whether trame-server can be used standalone or only as a transitive dependency of the trame package
- Performance characteristics under high client load or large message sizes
- Compatibility with specific Jupyter environments or versions
What it is and what it does
trame-server is the server-side engine for trame, a Python framework for building interactive web applications. It handles the core infrastructure: managing shared application state, routing client-server communication over WebSocket, and running a flexible web server that works both in Jupyter notebooks and as standalone desktop applications. The package is designed as an internal component and is typically installed as a dependency of the main trame package rather than used directly.
The server exposes lifecycle callbacks (on_server_start, on_client_connected, on_error, etc.) that let you hook into application events, and supports environment variables for tuning network behavior (message size limits, heartbeat timing, debug modes). It relies on wslink for WebSocket communication and more-itertools for utility functions.
Use it for
- Build interactive Python dashboards that run in Jupyter notebooks without leaving the notebook environment
- Create standalone desktop applications with a web UI that communicate with Python backend logic
- Develop real-time collaborative tools where multiple clients share application state managed on the server
- Prototype scientific or data-visualization applications with live Python computation and browser-based rendering
- Deploy web-based tools that need bidirectional communication between browser and Python without writing separate backend code
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building a trame application.
Install it as a dependency of trame rather than directly. The package is actively maintained, has low installation friction, uses a permissive license, carries no known vulnerabilities, and is positioned in the top 5000 PyPI packages by download volume. It is production-stable and suitable for both prototyping and deployment.
Install
trame-server on PyPI
Before you install
Low friction installation with a pure-Python wheel. Actively maintained with a release 6 days ago. Requires Python 3.10 or later and three runtime dependencies (more-itertools, trame-common, wslink).
Requires Python 3.10 or later. Intended as a dependency of trame rather than direct use; consult trame documentation for full application setup.
License in practice
Licensed under Apache License 2.0 (permissive). You may use, modify, and distribute this package freely in commercial and private projects, provided you include the license notice.
Quickstart
pip install trame-server
from trame.app import Trame
app = Trame()
app.server.start()Verify before relying
- Whether trame-server can be used standalone or only as a transitive dependency of the trame package
- Performance characteristics under high client load or large message sizes
- Compatibility with specific Jupyter environments or versions
Package facts
| License | Apache License 2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 3 packagesmore-itertoolstrame-commonwslink |
| Maintenance | Actively maintained 6 days since the last release |
| First released | |
| Downloads | 921,567 / month, #4,717 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableEnvironment :: Web EnvironmentLicense :: OSI Approved :: Apache Software LicenseNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: Python :: 3 :: OnlyTopic :: Software Development :: Libraries :: Application FrameworksTopic :: Software Development :: Libraries :: Python Modules |
Evidence: trame_server-3.14.0-py3-none-any.whl
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See also trame · trame-client · trame-components · trame-vuetify · trame-vtk · trame-router · trame-common · websocket-client · bottle-websocket · python-engineio