didactic-settings
Typed application settings on top of dx.Model.
Contributes didactic.settings to the namespace package.
Install
pip install didactic-settings
pip install 'didactic-settings[yaml]' # adds YAML support
The package depends on didactic. The optional yaml extra adds
PyYAML for .yaml / .yml config files.
Quickstart
import didactic.api as dx
from didactic.settings import Settings, EnvSource, FileSource
class AppSettings(Settings):
debug: bool = False
db_url: str
port: int = 8080
__sources__ = (
FileSource(path="config.toml"),
EnvSource(prefix="APP_"),
)
cfg = AppSettings.load()
cfg.port # the resolved value
cfg.__provenance__["port"] # 'env' / 'file' / 'default' / 'override'
Settings inherits from dx.Model, so every Model feature works:
type checks, axioms, validators, JSON Schema export.
Sources
| source | reads from |
|---|---|
EnvSource(prefix="APP_") |
environment variables |
DotEnvSource(path=".env", prefix="APP_") |
dotenv file |
FileSource(path="config.toml") |
JSON, TOML, or YAML by suffix |
CliSource(args=ns) |
parsed argparse.Namespace or dict |
Sources are walked in declaration order; later sources override
earlier ones. Keyword overrides at Settings.load(...) win over
every source.
Documentation
See Guides > Settings for the full source documentation, coercion rules, and provenance reporting.
License
Released under the MIT License.
1 maintainer
Metadata
1 maintainer
Release files for didactic-settings 0.12.0
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| didactic_settings-0.12.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 12.5 kB
Release files / didactic_settings-0.12.0.tar.gz
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