script to reset xcode simulators

reset_simulators.py

from __future__ import print_function
import os
import re
import subprocess

os_pattern=r'--\s(\w*\s[0-9]*.[0-9]*)\s--'
device_pattern=r'\s(\w? \w? .*)\s\((\w{8}-\w{4}-\w{4}-\w{4}-\w{12})\)\s\((\w*)\)\s(?#...\(\))?'
os_version = None
device_list = []


def get_simulators():
    simulators = subprocess.check_output(
        'xcrun simctl list devices',
        shell=True,
        stderr=subprocess.STDOUT)
    return simulators

def delete_simulators(UUID):
    simulators = subprocess.check_output(
        'xcrun simctl delete {0}'.format(UUID),
        shell=True,
        stderr=subprocess.STDOUT)
    return simulators

def create_simulators(device, os):
    simulators = subprocess.check_output(
        'xcrun simctl create "{0}" "{1}" "{2}"'.format(device, device, os),
        shell=True,
        stderr=subprocess.STDOUT)
    return simulators

def get_simulator_dict(simulators):
    for line in simulators.split("\n"):
        if re.match(os_pattern, line):
            os_version = line.split()[2]

        if not line.startswith("="):
            result = re.match(device_pattern, line)
            try:
                device_list.append({'device': result.group(1).lstrip(),
                                          'UUID': result.group(2),
                                          'run_state': result.group(3),
                                          'os': os_version
                                          })
            except:
                pass


    return device_list

device_list = get_simulator_dict(get_simulators())

chosen_devices = ['iPad 2', 'iPad Air']
chosen_os = ['7.1', '8.1']
def check_chosen_device(device, os):
    for item in chosen_devices:
        if device == item:
            for os_item in chosen_os:
                if os == os_item:
                    return True


def reload_devices():
    for item in device_list:
        if check_chosen_device(item['device'], item['os']):
            print(item)


print('removing devices')
for device in device_list:
    print("removing {0} {1}\t {2}".format(device['device'], device['os'], device['UUID']))
    delete_simulators(device['UUID'])

required_devices = [{'device': 'iPad 2', 'os': '7.1'},
                    {'device': 'iPad Air', 'os': '7.1'},
                    {'device': 'iPad 2','os': '8.1' },
                    {'device': 'iPad Air','os': '8.1'}]

print()
print('installing devices')
for device in required_devices:
    print("creating {0} {1}".format(device['device'], device['os']))
    create_simulators(device['device'], device['os'])