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PyPI version

Experiment Python SDK

Amplitude Python Server SDK for Experiment.

Installation

pip install amplitude-experiment

Remote Evaluation Quick Start

from amplitude_experiment import Experiment, RemoteEvaluationConfig, RemoteEvaluationClient, User

# (1) Get your deployment's API key
apiKey = 'YOUR-API-KEY'

 # (2) Initialize the experiment remote evaluation
experiment = Experiment.initialize_remote(api_key)

# (3) Fetch variants for a user
user = User(
    device_id="abcdefg",
    user_id="[email protected]",
    user_properties={
        'premium': True
    }
)

# (4) Lookup a flag's variant
#
# To fetch synchronous
variants = experiment.fetch(user)
variant = variants['YOUR-FLAG-KEY']
if variant:
    if variant.value == 'on':
        # Flag is on
    else:
        # Flag is off

# To fetch asynchronous
experiment.fetch_async(user, fetch_callback)

def fetch_callback(user, variants):
    variant = variants['YOUR-FLAG-KEY']
    if variant:
        if variant.value == 'on':
            # Flag is on
        else:
            # Flag is off

Local Evaluation Quick Start

# (1) Initialize the local evaluation client with a server deployment key.
experiment = Experiment.initialize_local(api_key)

# (2) Start the local evaluation client.
experiment.start()

# (3) Evaluate a user.
user = User(
    device_id="abcdefg",
    user_id="[email protected]",
    user_properties={
        'premium': True
    }
)
variants = experiment.evaluate(user)

Running unit tests suite

To setup for running test on local, create a .env file with following contents, and replace {API_KEY} and {SECRET_KEY} (or {EU_API_KEY} and {EU_SECRET_KEY} for EU data center) for the project in test:

API_KEY={API_KEY}
SECRET_KEY={SECRET_KEY}

More Information

Please visit our 💯Developer Center for more instructions on using our the SDK.

See our Experiment Python SDK Docs for a list and description of all available SDK methods.

Need Help?

If you have any problems or issues over our SDK, feel free to create a github issue or submit a request on Amplitude Help.