pyiv
Guice-style dependency injection for Python: type-based constructor injection, scopes, qualified keys, and built-in test doubles. Zero runtime dependencies. Python 3.8+.
Docs: https://rl337.org/pyiv/ · Changelog: https://rl337.org/pyiv/changelog.html · PyPI: https://pypi.org/project/pyiv/
Install
pip install pyiv
Requires Python 3.8 or newer. Unreleased main:
pip install git+https://github.com/rl337/pyiv.git
Quick start
from pyiv import Config, get_injector
class Database:
pass
class PostgreSQL(Database):
pass
class MyConfig(Config):
def configure(self):
self.register(Database, PostgreSQL)
injector = get_injector(MyConfig)
db = injector.inject(Database) # PostgreSQL
The user guide covers Binder, Keys, scopes, and the Clock / Filesystem / Console / DateTimeService test doubles.
Development
pip install -e ".[dev,docs]"
./run_checks.sh
run_checks.sh formats (black/isort), runs pytest (including doctests in
pyiv/), mypy, bandit, and a Sphinx build.
Version numbers are bumped by GitHub Actions on main. Do not edit
pyproject.toml / pyiv/__init__.py versions except for a manual major bump
(the 0.3.0 PyPI release is that exception).
License
MIT — see LICENSE.
1 maintainer
Release files for pyiv 0.3.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| pyiv-0.3.0.tar.gz | 134.6 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| pyiv-0.3.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 203.4 kB
Release files / pyiv-0.3.0.tar.gz
| Download URL | pyiv-0.3.0.tar.gz |
|---|---|
| Size | 134.6 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
385eeef6818c9a51ea393ae8b6f609a9a3b332625d2a83a8193fe3db883f4aff
|
|
BLAKE2b-256 checksum How to use checksums |
88a95f8519f3bf0d83cd3eec0dc15212df1c7e57816fa79b72403cd480f41134
|
| 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 11, 2026.
Transparency logRelease files / pyiv-0.3.0-py3-none-any.whl
| Download URL | pyiv-0.3.0-py3-none-any.whl |
|---|---|
| Size | 68.8 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
e55f3f4675297bdc11f52c31b33215d2814d094722e7a232c2f2305277f6d788
|
|
BLAKE2b-256 checksum How to use checksums |
61b2c696efa6fea264287375779ff3aab34f2e4c230683575a5528e2b88c844b
|
| 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 11, 2026.
Transparency log
