| Name | byoconfig JSON |
| Version |
0.1.1
JSON |
| download |
| home_page | None |
| Summary | A configuration class that supports plugins, multiple file formats, heirarchical configuration, and more. |
| upload_time | 2025-07-16 19:23:48 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.10 |
| license | None |
| keywords |
config
yaml
toml
json
plugins
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
# BYOConfig
> Bring your own configuration
[](https://github.com/camratchford/byoconfig/actions/workflows/lint_and_test.yml)
[](https://github.com/camratchford/byoconfig/actions/workflows/publish.yml)
[](https://pypi.org/project/byoconfig/)
## Features
- Loading/Dumping configuration data from/to:
- YAML
- TOML
- JSON
- File format auto-detect and override options
- Ability to load configuration data from environment variables
- Allows hierarchical data to be loaded, then updated according to precedence rules.
- Extensible via plugins, allowing your own arbitrary data sources to be merged with config file and environment data.
- Configuration data available as class attributes (ex. `config.variable_1`)
## Installing
```bash
pip install byconfig
```
## Usage
### From file
```python
from pathlib import Path
from byoconfig import Config
"""
# imagining the contents of config.yaml are:
important_path: path/that/must/exists
"""
# Auto-detects the file type based on file extension suffix
conf = Config('path/to/config.yaml')
# Alternatively, specify a forced_file_type argument (One of 'YAML', 'TOML', or 'JSON'
# conf = Config("path/to/config", forced_file_extension="YAML")
def ensure_file(path: str):
Path(path).mkdir(parents=True)
if __name__ == "__main__":
# The configuration variable is accessible by the instance attribute conf.important_path
ensure_file(conf.important_path)
```
### From Environment Variables
```python
from byoconfig import Config
conf = Config(env_prefix="MY_APP")
# Imagining that you have an env var `MY_APP_var_1` set
print(conf.var_1)
# If you want to load all of the environment variables, use the '*' wildcard as env_prefix
conf2 = Config(env_prefix="*")
print(conf2.PATH)
```
### From Custom plugins
```python
from byoconfig.sources import BaseVariableSource
from byoconfig import Config
# Subclass the BaseVariableSource class
class MyVarSource(BaseVariableSource):
def __init__(self, init_options):
# Using an imaginary function 'get_external_data' in place of something like an http request or DB query
self.external_data = get_external_data(init_options)
# Initializes the class attrs, making the data availalble via MyVarSource.var_name
self.set_data(self.external_data)
# Start with a config object, containing the data from any source (optional)
my_config = Config("some/file/data.json")
# Include your plugin, merging the data from MyVarSource and the config object above
# You can pass kwargs to include as if you're passing them to MyVarSource's __init__ method.
my_config.include(MyVarSource, init_options="some data to initialize your custom data source")
```
### Loading Arbitrary Values
```python
from byoconfig import Config
# Via kwargs
conf = Config(my_var="abc", my_var_2=123)
# Via the set_data method / data property
conf.set_data({"my_var": "abc"})
# Equivalent to
conf.data = {"my_var": "abc"}
```
### Dumping Data
```python
from byoconfig import Config
conf = Config()
# We can pretend that you've loaded your configuration data in conf, and you'd like it output to a file
# to be used later
...
# Auto-detects the file-type based on file extension suffix
conf.dump("running_config.yml")
# Overriding the auto-detect in case you have no extension
conf.dump("running_config", forced_file_type="TOML")
```
Raw data
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