Python Feature Flags

3. Evaluate flags

import requests
from functools import lru_cache

FLAGBIT_SDK_KEY = "your_sdk_key_here"
FLAGBIT_URL = "https://flagbit.anethoth.com/api/v1/evaluate"

def get_flag(flag_key: str, context: dict = None) -> bool:
    """Evaluate a feature flag via FlagBit API."""
    resp = requests.post(FLAGBIT_URL, json={
        "flag_key": flag_key,
        "context": context or {}
    }, headers={
        "X-SDK-Key": FLAGBIT_SDK_KEY
    }, timeout=5)
    return resp.json().get("value", False)

# Django view example
def dashboard_view(request):
    user_ctx = {"user_id": str(request.user.id), "plan": request.user.plan}

    if get_flag("new-dashboard", user_ctx):
        return render(request, "dashboard_v2.html")
    return render(request, "dashboard.html")

# Flask example
@app.route("/checkout")
def checkout():
    if get_flag("express-checkout", {"user_id": session["user_id"]}):
        return render_template("express_checkout.html")
    return render_template("checkout.html")

# FastAPI example
@app.get("/api/recommendations")
async def recommendations(user_id: str):
    if get_flag("ml-recommendations", {"user_id": user_id}):
        return await get_ml_recommendations(user_id)
    return await get_basic_recommendations(user_id)