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Settings framework for framework or library.

Project description

config framework

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What is Config framework?

Your framework or library might need default settings and you want your user to change them.

Many developer wrote this kind of code, and you are going to. GluePlate is it!

Features

Easy to write - Merge

You and your user write easiry.

Just import Glue as _ and write like nested dict.

from glueplate import Glue as _


settings = _(
    GLUE_PLATE_ENVIRONMENT_VARIABLE_KEY = 'BASEPACKAGE_SETTINGS_MODULE',
    from_base = 'comming from base',
    to_be_override = 'I am base.',
)

glueplate import variable named settings from os.environ[‘GLUE_PLATE_BASE_MODULE’], this is a base settings.

Then glueplate looks settings.GLUE_PLATE_ENVIRONMENT_VARIABLE_KEY and import variable named settings from os.environ[settings.GLUE_PLATE_ENVIRONMENT_VARIABLE_KEY], this is a user customized settings. Customized settings needs only user needs override, or addition.

from glueplate import Glue as _


settings = _(
    from_sub='comming from sub',
    to_be_override = 'I am sub.',
)

They are merged and easy to use.

from glueplate import config

assert('I am sub' == config.settings.to_be_override)
assert('comming from base' == config.settings.from_base)
assert('comming from sub' == config.settings.from_sub)

Append to list

You may not want to override by you user, just add user’s additional data.

glueplate provide special keyword prefix to append original settings variable.

  • GLUE_PLATE_PLUS_BEFORE_

    User can append list before.

    # base
    settings = _(
        list1 = [1,2,3],
    )
    
    # user customized
    settings = _(
        GLUE_PLATE_PLUS_BEFORE_list1 = [5,4]
    )
    
    # config.settings.list1 == [5, 4, 1, 2, 3]
    
  • GLUE_PLATE_PLUS_AFTER_

    Same as GLUE_PLATE_PLUS_BEFORE_ but append to backward.

    # base
    settings = _(
        list1 = [1,2,3],
    )
    
    # user customized
    settings = _(
        GLUE_PLATE_PLUS_AFTER_list1 = [5,4]
    )
    
    # config.settings.list1 == [1, 2, 3, 5, 4]
    

Inherit other glueplate

You might use library using glueplate. Environment variable GLUE_PLATE_BASE_MODULE is only one on your process.

Your base settings can indecate library’s gluplate settings module.

  • GLUE_PLATE_PARENT_MODULES

    Specify library’s gluplate settings module names as list.

    from glueplate import Glue as _
    
    
    settings = _(
        GLUE_PLATE_PARENT_MODULES=[
            'parentpackage1.parentpackage1_settings',
            'parentpackage2.parentpackage2_settings'
        ]
    )
    

Download files

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Filename, size & hash SHA256 hash help File type Python version Upload date
glueplate-1.0.2.tar.gz (3.6 kB) Copy SHA256 hash SHA256 Source None Oct 13, 2018

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