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example.py
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example.py
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import json
import requests
from rego import ast, walk
# Load some pi into OPA as data (yum!)
requests.put("http://localhost:8181/v1/data", data=json.dumps({"pi": 3.14}))
# Use OPA's Compile API to partially evaluate a query. Treat 'input.radius' as unknown.
resp = requests.post(
"http://localhost:8181/v1/compile",
json.dumps(
{
"query": "(data.pi * input.radius * 2) >= input.min_radius",
"input": {"min_radius": 4},
"unknowns": ["input.radius"],
}
),
)
# Load the resulting set of query ASTs out of the JSON response.
tree = resp.json()["result"]["queries"]
qs = ast.QuerySet.from_data(tree)
# Pretty print the ASTs.
walk.pretty_print(qs)