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abstraction-config

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What this machine has been told, and which authority said so. One answer per key, with its provenance.

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Direct dependencies2From release 0.1.0

Last observed20 Oct, 17:41 UTC

README

Version 0.1.0 documentation

abstraction-config, in Python

Where a machine keeps its answer to "which store", and who said so. An administrator's machine-wide file, then this user's file, then the environment for one run — each overriding the last, key by key, with the origin of every answer kept beside it.

An application asks the machine and names no path. A key nothing set is absent, which means this machine does not have that tier: a normal answer, not an error.

This page is the Python package. The Go implementation, the file format and what is UNPROVEN are on the repository.

Install

Not on PyPI, and the names on PyPI are not ours. Clone the three repositories beside each other and install them in dependency order:

git clone https://github.com/openabstractions/abstraction-cas
git clone https://github.com/openabstractions/abstraction-watch
git clone https://github.com/openabstractions/abstraction-config

pip install ./abstraction-cas/python ./abstraction-watch/python
pip install ./abstraction-config/python

Python 3.9 or later.

An example that runs

import abstraction_config as config

store, why = config.job_store()
print("jobs live at:", store)
print("because:", why)

print(config.load().describe())

On a machine nobody has configured it prints the default and says so. It reads files and writes none, so running it changes nothing.

What an application calls

call	what it does
`job_store()`	`(path, why)` — where jobs live on this machine, and what decided
`load()`	a `Config`: `nas_store`, `store`, `log_sink`, `log_service`, `off`. A file that cannot be read or parsed is skipped, with one line on stderr saying which
`Config.origin(key)`	which authority answered for one key, and which file said so
`Config.describe()`	what was found and where, for a `status` command
`Config.stamp()`	differs whenever the answer differs, so a long-running process can ask whether anything moved instead of rebuilding
`overridden()`	the keys the environment is deciding, whatever the files say
`user_path()` / `machine_path()`	the conventional locations on this platform
`watch(budget)`	a subscription that re-reads when the answer changes

The environment variables that override a file, one per key: ABSTRACTION_NAS_STORE, ABSTRACTION_STORE, ABSTRACTION_LOG, ABSTRACTION_LOG_SERVICE.

What may break

This module reads; it does not write. There is no save here. A setup step or the Go implementation writes the file.
A machine-wide file no administrator owns raises Untrusted rather than being obeyed. Ownership is what is checked, so a file on a filesystem that does not carry it is refused.
No conformance verdict. No scenario in the suite cites this layer yet — what is proven and what is not.
Not on any package index, and no release carries an API stability promise. Pin a commit you have read.
Every published transcript was produced on Windows or Linux. macOS is UNPROVEN throughout.

Apache-2.0. See LICENSE.

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Versions 1

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Version	Published	Direct dependencies	Open version
0.1.0	10 Sept 2026	2

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openabstractions/abstraction-config

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Observed since 20 Oct, 17:41 UTC

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package:04aef6933b891fb90db1c6826d7403f910e22336a4ba27280e38b3689fbc40b8