reddit-decider 1.2.24

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rust_decider

Rust implementation of bucketing, targeting, overrides, and dynamic config logic.

Usage

# In a virtualenv, python >= 3.7
$ pip install -r requirements-dev.txt
$ maturin develop
$ python

import rust_decider

# Init decider
decider = rust_decider.init("darkmode fractional_availability value", "../cfg.json")

# Bucketing needs a context
ctx = rust_decider.make_ctx({"user_id": "8"})

# Get a decision
x = decider.choose("exp_1", ctx)
assert x.err() is None # check for errors
x.decision() # get the variant

# Get a dynamic config value
y = decider.get_map("dc_map", ctx) # fetch a map DC
assert y.err() is None # check for errors
y.val() # get the actual map itself

Development

cd decider-py/ and run maturin develop to build reddit-decider python wheel.

Publishing

Package is automatically published on merge to master to https://pypi.org/project/reddit-decider/ via drone pipeline.

Formatting / Linting

$ cargo fmt    --manifest-path decider-py/test/Cargo.toml
$ cargo clippy --manifest-path decider-py/test/Cargo.toml