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#!/usr/bin/env python3
import dfatool.utils
import json
import lzma
import sys
def main():
infile = sys.argv[1]
outfile = sys.argv[2]
with lzma.open(infile, "rt") as f:
observations = json.load(f)
distinct_param_values = dict()
replace_map = dict()
for observation in observations:
for k, v in observation["param"].items():
if not k in distinct_param_values:
distinct_param_values[k] = set()
if v is not None:
distinct_param_values[k].add(v)
for param_name, distinct_values in distinct_param_values.items():
if len(distinct_values) > 2 and not all(
map(lambda x: x is None or dfatool.utils.is_numeric(x), distinct_values)
):
replace_map[param_name] = distinct_values
for observation in observations:
binary_keys = set()
for k, v in replace_map.items():
enum_value = observation["param"].pop(k)
for binary_key in v:
observation["param"][binary_key] = int(enum_value == binary_key)
if binary_key in binary_keys:
print(f"Error: key '{binary_key}' is not unique")
binary_keys.add(binary_key)
with lzma.open(outfile, "wt") as f:
json.dump(observations, f)
if __name__ == "__main__":
main()
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