ios_debug_cmd.py

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#!/usr/bin/env python
# Copyright 2020 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
 
import subprocess
import sys
import threading
import time
 
# Usage: ios_debug_cmd.py <bundle_id> <args...>
# Runs the given app with the given args with full debug output enabled, then
# outputs syslog for the period when the command was running. Exits with the
# exit code of idevicedebug.
 
 
bundle_id = sys.argv[1]
args = sys.argv[2:]
 
logp = subprocess.Popen(['idevicesyslog'], stdout=subprocess.PIPE, bufsize=-1)
log = ''
def collect_log():
  global log
  while True:
    out = logp.stdout.read().decode('utf-8')
    if out:
      log = log + out
    else:
      return
 
logt = threading.Thread(target=collect_log)
logt.start()
 
rv = subprocess.call(['idevicedebug', '--debug', 'run', bundle_id] + args)
 
print('\n\nreturned %d' % rv)
 
logp.terminate()
print('\n\nreading syslog...')
logt.join()
print('syslog follows')
print(log)
 
exit(rv)