recreate_simulators.py

#!/usr/bin/env python3
# Delete existing simulators and recreate simulators for compatible runtimes.

import json
import os
import subprocess


def main():
    # Delete all devices
    device_udids = []
    for _, dl in list(simctl_json("devices").items()):
        for dev in dl:
            udid = dev["udid"]
            print(f"Deleting Simulator: {udid}")
            subprocess.call(["xcrun", "simctl", "delete", udid])

    # Loop through and recreate
    for rt in simctl_json("runtimes"):
        if not rt["isAvailable"]:
            continue
        rt_ident = rt["identifier"]
        for dt in rt["supportedDeviceTypes"]:
            dt_ident = dt["identifier"]
            dt_name = dt["name"]
            print(f"Creating {dt_name} ({rt_ident})")
            subprocess.call([
                "xcrun", "simctl", "create", dt_name, dt_ident, rt_ident])


def simctl_json(t):
    return json.loads(
        subprocess.check_output(f"xcrun simctl list {t} -j" , shell=True))[t]


if __name__ == "__main__":
    main()