PasteDeploy
Load, configure, and compose WSGI applications and servers
Decision gist · record as of 2026-08-14
Yes, if you are working with WSGI applications in environments that use INI-style configuration. The package is mature, actively maintained, has no known vulnerabilities, and installs cleanly. However, if you are starting a new project, verify whether your chosen web framework or deployment tool has a more modern alternative, as this package reflects older Python web practices.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires an INI-style configuration file describing the WSGI application and server; PasteDeploy does not generate these files automatically.
- Low friction installation with a single lightweight runtime dependency (importlib-metadata).
- Actively maintained with recent commits and support for Python 3.7 through 3.12.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects.
last release 2023-11-21 (997 days) · last repo commit 2026-08-02 · 24 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 3,077,790 downloads/mo, #2,763 on PyPI
Alternatives
Verify before relying
pip install PasteDeploy
import importlib.metadata
from pastedeploy import loadapp
app = loadapp('config:development.ini', relative_to='.')- Whether the package is still actively used in modern Python web frameworks or has been superseded by newer deployment tooling.
- Compatibility with contemporary WSGI servers and whether it integrates with modern async frameworks.
- Whether the usage example reflects the actual public API of the current version.
What it is and what it does
PasteDeploy is a mature WSGI application loader that reads declarative configuration files (typically INI format) to instantiate and compose web applications and servers. Rather than writing code to wire up your application, you describe it in a configuration file with URIs pointing to entry points, and PasteDeploy handles the loading and initialization.
The package has been in active development since its first release in 2005 and supports Python 3.7 through 3.12. It depends only on importlib-metadata and installs with minimal friction. It is primarily used in environments where declarative, file-based application setup is preferred over programmatic initialization.
Use it for
- Load a WSGI application from an INI configuration file without writing deployment code.
- Compose multiple WSGI middleware layers declaratively in a single configuration file.
- Load different application configurations for development, staging, and production environments.
- Set up web servers with configuration-driven initialization in legacy or Paste-based projects.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are working with WSGI applications in environments that use INI-style configuration.
The package is mature, actively maintained, has no known vulnerabilities, and installs cleanly. However, if you are starting a new project, verify whether your chosen web framework or deployment tool has a more modern alternative, as this package reflects older Python web practices.
Install
pastedeploy on PyPI
Before you install
Low friction installation with a single lightweight runtime dependency (importlib-metadata). Actively maintained with recent commits and support for Python 3.7 through 3.12.
Requires an INI-style configuration file describing the WSGI application and server; PasteDeploy does not generate these files automatically.
License in practice
MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects.
Quickstart
pip install PasteDeploy
import importlib.metadata
from pastedeploy import loadapp
app = loadapp('config:development.ini', relative_to='.')Verify before relying
- Whether the package is still actively used in modern Python web frameworks or has been superseded by newer deployment tooling.
- Compatibility with contemporary WSGI servers and whether it integrates with modern async frameworks.
- Whether the usage example reflects the actual public API of the current version.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packageimportlib-metadata |
| Maintenance | Actively maintained 997 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 3,077,790 / month, #2,763 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 6 - MatureFramework :: PasteIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Internet :: WWW/HTTPTopic :: Internet :: WWW/HTTP :: Dynamic ContentTopic :: Internet :: WWW/HTTP :: WSGITopic :: Internet :: WWW/HTTP :: WSGI :: MiddlewareTopic :: Software Development :: Libraries :: Python Modules |
Evidence: PasteDeploy-3.1.0-py3-none-any.whl
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See also Paste · PasteScript · plaster-pastedeploy · pyuwsgi · plaster · tool · WSGIProxy2 · wsgidav · dj-static · WebOb