strategy.py

from hypothesis.strategies import *

def subset_strat(strategies):
  def build(keys):
    return fixed_dictionaries({key: strategies[key] for key in keys})
  return sets(sampled_from(strategies.keys())).flatmap(build)
  
if __name__ == "__main__":
    print(subset_strat({"abc": integers(), "def": text()}).example())