FastFeatureFlag is a lightweight tool to generate and use feature flags. Build in python for python. The key components are:

• easy to add feature flag
• easily activate/deactivate features
• naming/grouping flags
• define custom response for flagged features
• use environment variables as your on/off switch
• manage feature flags with a simple toml file

Installation

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pip install fastfeatureflag

poetry add fastfeatureflag

flag away ...

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take a look at the decorator feature_flag() - that is all you need.

fast feature flags

from fastfeatureflag.feature_flag import feature_flag

@feature_flag("off")
def broken_feature():
    return "I am broken"

broken_feature()
NotImplementedError: Feature not implemented

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Last update: October 28, 2023
Created: October 28, 2023