Missing
Missing provides special objects used in some Zope internals like the ZCatalog.
Changelog
5.3 (2026-09-14)
Add support for Python 3.15.
Fix deprecated import syntax. (#18 <https://github.com/zopefoundation/Missing/issues/18>)
5.2 (2026-05-08)
Switch to Trusted Publishing for the tag and release process. When a tag is pushed to GitHub, the tests action will automatically build a source distribution and a wheel and publish them to PyPI.
5.1 (2026-03-18)
Move package metadata from setup.py to pyproject.toml.
Add support for Python 3.12, 3.13, 3.14.
Drop support for Python 3.7, 3.8, 3.9.
5.0 (2023-06-21)
Drop support for Python 2.7, 3.5, 3.6.
Deprecate ._Missing which containes just BBB imports.
4.2 (2022-11-16)
Add support for Python 3.8, 3.9, 3.10, 3.11
4.1 (2018-10-05)
Drop support for Python 3.4.
Add support for Python 3.7.
4.0.1 (2017-08-25)
Restore Missing._Missing module for pickle compatibility with the old C extension version. [https://github.com/zopefoundation/Missing/issues/3]
4.0 (2017-05-16)
Add support for bytes and matrix multiplication.
Remove the Python 2-only C extension.
3.2 (2017-04-26)
Add support for Python 3.6, drop support for Python 3.3.
3.1 (2016-04-03)
Add support for Python 3.4 and 3.5.
Drop support for Python 2.6 and 3.2.
3.0 (2013-05-05)
Added compatibility with Python 3.2, 3.3 and PyPy using the Python implementation.
Added a Python reference implementation of the Missing class.
Changed the type name of the Missing class to Missing.Missing to distinguish it from an instance of the type like Missing.Value.
2.13.1 (2010-06-16)
Added a __class__ to Missing.Value objects.
2.13.0 (2010-03-30)
Released as separate package.
Release files for Missing 5.3
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| missing-5.3.tar.gz | 9.6 kB | With provenance | Details for missing-5.3.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| missing-5.3-py3-none-any.whl | Python 3 | none | any | Details for missing-5.3-py3-none-any.whl |
Total release size: 15.9 kB
Release files / missing-5.3.tar.gz
| Download URL | missing-5.3.tar.gz |
|---|---|
| Size | 9.6 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
13bef895b96f73e0b6f72f28d254f6a6868a0eeec98a99bb80ebe0b46bb18242
|
|
BLAKE2b-256 checksum How to use checksums |
e763ca3085b98e5a17ff6b1a2e83bb416482d36e1f9ac0a47d55a859f57f8332
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Sep 14, 2026.
Transparency logRelease files / missing-5.3-py3-none-any.whl
| Download URL | missing-5.3-py3-none-any.whl |
|---|---|
| Size | 6.3 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
79e8211f2455f4010b6b5abdf907317a6d82a6663170a60c30e340a621171ab4
|
|
BLAKE2b-256 checksum How to use checksums |
791072848425922b0eba21d64bc9c012e6317faebfd49ba6bff31beb778d8304
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Sep 14, 2026.
Transparency logSecurity for Missing 5.3
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
Full provenance
Both files in this release have been uploaded with provenance metadata.
Attestation for missing-5.3.tar.gz
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Sep 14, 2026.
Transparency logA note on package security
PyPI is a repository for distributing packages, not a service for auditing them. While third-party security researchers and our staff do their best to detect and remove malicious packages, PyPI cannot guarantee the quality, security or suitability of any given package.
To learn more about protecting yourself from malicious actors, visit our package security documentation.
