zope.processlifetime
Zope process lifetime events
Decision gist · record as of 2026-08-14
Yes, if you are building or maintaining a Zope application that needs to hook into process lifecycle events. The package is lightweight, actively maintained, has no security vulnerabilities, and integrates cleanly with zope.event. Install only if you are already using Zope; it has no value outside that ecosystem.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9 or later; designed for use with zope.event for event dispatching.
- Low friction installation with only two runtime dependencies (setuptools and zope.interface).
- Actively maintained with recent releases; last commit 2026-04-20 and version 4.0 released 2025-09-12.
License · maintenance · safety
ZPL-2.1 (unclear) — Licensed under ZPL-2.1 (Zope Public License); license treatment is marked unclear in the fact sheet, so review the actual license terms before use in proprietary or redistributed software.
last release 2025-09-12 (336 days) · last repo commit 2026-04-20 · 1 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 142,802 downloads/mo, #11,201 on PyPI
Alternatives
Verify before relying
pip install zope.processlifetime
from zope.processlifetime import IProcessStarting
from zope.event import notify
notify(IProcessStarting())- Whether the package is actively used in production Zope applications or primarily maintained for legacy compatibility.
- Specific use patterns and whether zope.event integration is automatic or requires manual setup.
What it is and what it does
zope.processlifetime defines event interfaces and implementations for key moments in a server process's lifecycle—startup, database opening, and shutdown. It is part of the Zope ecosystem and is typically used alongside zope.event to notify subscribers when these lifecycle transitions occur. The package is minimal and focused: it provides the event contracts (interfaces) and basic implementations, leaving the actual event dispatch to zope.event. It depends on setuptools and zope.interface, making it lightweight to integrate into Zope-based applications.
The package is actively maintained and supports modern Python versions (3.9 through 3.13). It recently migrated from pkg_resources to PEP 420 native namespaces in version 4.0, indicating ongoing modernization. With no known security vulnerabilities and a stable API, it is suitable for applications that need to hook into Zope's process lifecycle events.
Use it for
- Trigger initialization logic when a Zope server starts up by subscribing to IProcessStarting events.
- Perform cleanup or resource allocation when a database connection is opened during process startup.
- Coordinate multi-component startup sequences in a Zope application using process lifecycle events.
- Integrate custom event handlers into Zope's application initialization pipeline.
- Build monitoring or logging that tracks when Zope processes transition through lifecycle stages.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building or maintaining a Zope application that needs to hook into process lifecycle events.
The package is lightweight, actively maintained, has no security vulnerabilities, and integrates cleanly with zope.event. Install only if you are already using Zope; it has no value outside that ecosystem.
Install
zope-processlifetime on PyPI
Before you install
Low friction installation with only two runtime dependencies (setuptools and zope.interface). Actively maintained with recent releases; last commit 2026-04-20 and version 4.0 released 2025-09-12.
Requires Python 3.9 or later; designed for use with zope.event for event dispatching.
License in practice
Licensed under ZPL-2.1 (Zope Public License); license treatment is marked unclear in the fact sheet, so review the actual license terms before use in proprietary or redistributed software.
Quickstart
pip install zope.processlifetime
from zope.processlifetime import IProcessStarting
from zope.event import notify
notify(IProcessStarting())Verify before relying
- Whether the package is actively used in production Zope applications or primarily maintained for legacy compatibility.
- Specific use patterns and whether zope.event integration is automatic or requires manual setup.
Package facts
| License | ZPL-2.1 unclear |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagessetuptoolszope.interface |
| Maintenance | Actively maintained 336 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 142,802 / month, #11,201 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 EnvironmentFramework :: Zope :: 3Framework :: Zope :: 5Intended Audience :: DevelopersLicense :: OSI Approved :: Zope Public LicenseNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Internet :: WWW/HTTP |
Evidence: zope_processlifetime-4.0-py3-none-any.whl
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See also zope.lifecycleevent · zope.event · zope.browser · zope.filerepresentation · zope.datetime · zope.exceptions · zope.container · zope.browsermenu · zope.ptresource · zope.contentprovider