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Config handler for code-declared and file-defined settings.

Project description

Badger_Config_Handler

A python library for handling code-declared and file-defined settings.

Supports saving to JSON and YAML files.

Data types

native

the file handlers have native support for these types and are used as is, no conversion is done on these values

  • string
  • int
  • float
  • bool
  • None / null

supported

Badger_Config_Section

converted using

  • serialize: {VAR}.to_dict()
  • de-serialize: Badger_Config_Section.from_dict({VAR})

datetime.datetime

converted using

  • serialize: {VAR}.isoformat()
  • de-serialize: datetime.fromisoformat({VAR})

pathlib.Path

converted using

  • serialize: str({VAR})
  • de-serialize: pathlib.Path({VAR})

Collections

NOTE:

It is recommended to use a Config Section instead of Collections.

If collections are used items should be of native type only, if they are not of native type they are serialized but can NOT be de-serialize.

Code using these values must handle these cases.

dict

list




Config Base


Property's


_config_file_path

path to the config file


ALLOWED_FILE_TYPES

all allowed file extensions



Function's


setup()

see Config_Section.setup()


save()

Save config to file


load()

Load config from file


sync()

Sync config with file

runs: load() - save() - load()

this adds new config fields to the file or removes old ones




Config Section


Property's


section_name

name of the current section


root_path

by default the project root path or overridden by the parent section


parent_section

reference to the parent section (if it exists)



Function's


setup()

Replacement for __init__()

should be used to set default values

NOTE: the property parent_section is NOT available during this


pre_process()

Pre process values before save()

useful for:

  • converting unsupported data type to a native or supported type
  • converting absolute paths to relative (keeps them short in the config file)

post_process()

post process values after load()

useful for:

  • creating unsupported data type from native or supported type
  • converting relative paths to absolute (keeps them short in the config file)

to_dict(bool)

converts all values to a dictionary

Parameters:

param type required default
convert_to_native bool True

from_dict()

Reconstruct Config Section from dictionary

Parameters:

param type description required default
data dict[str, native] the dict representation of this section (as generated from to_dict(True) ) x
safe_load bool ! UNTESTED !
True -> Only variables that already exist in the class are set (uses hasattr)
False -> New variables can be set from config file
True
danger_convert bool ! UNTESTED !
For details see docs of _native_to_var()
False

Project details


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