run_reliability_tests.py revision 17f8fa6b24da34724b4497622f374b27f3041e1c
14010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu#!/usr/bin/python2.4
24010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
34010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu"""Run reliability tests using Android instrumentation.
44010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
54010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  A test file consists of list web sites to test is needed as a parameter
64010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
74010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  Usage:
84010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    run_reliability_tests.py path/to/url/list
94010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu"""
104010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
114010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhuimport logging
124010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhuimport optparse
1317f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhuimport os
144010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhuimport subprocess
154010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhuimport sys
1617f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhuimport time
174010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
184010ac35b1e49d659d7a32cc191302b8e2d8758aGuang ZhuTEST_LIST_FILE = "/sdcard/android/reliability_tests_list.txt"
194010ac35b1e49d659d7a32cc191302b8e2d8758aGuang ZhuTEST_STATUS_FILE = "/sdcard/android/reliability_running_test.txt"
204010ac35b1e49d659d7a32cc191302b8e2d8758aGuang ZhuTEST_TIMEOUT_FILE = "/sdcard/android/reliability_timeout_test.txt"
214010ac35b1e49d659d7a32cc191302b8e2d8758aGuang ZhuHTTP_URL_FILE = "urllist_http"
224010ac35b1e49d659d7a32cc191302b8e2d8758aGuang ZhuHTTPS_URL_FILE = "urllist_https"
234010ac35b1e49d659d7a32cc191302b8e2d8758aGuang ZhuNUM_URLS = 25
244010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
254010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
264010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhudef DumpRenderTreeFinished(adb_cmd):
274010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  """Check if DumpRenderTree finished running.
284010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
294010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  Args:
304010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    adb_cmd: adb command string
314010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
324010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  Returns:
334010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    True if DumpRenderTree has finished, False otherwise
344010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  """
354010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
364010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  # pull test status file and look for "#DONE"
374010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  shell_cmd_str = adb_cmd + " shell cat " + TEST_STATUS_FILE
384010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  adb_output = subprocess.Popen(shell_cmd_str,
394010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                                shell=True, stdout=subprocess.PIPE,
404010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                                stderr=subprocess.PIPE).communicate()[0]
414010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  return adb_output.strip() == "#DONE"
424010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
434010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
4465455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhudef RemoveDeviceFile(adb_cmd, file_name):
4565455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu  shell_cmd_str = adb_cmd + " shell rm " + file_name
4665455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu  subprocess.Popen(shell_cmd_str,
4765455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu                   shell=True, stdout=subprocess.PIPE,
4865455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu                   stderr=subprocess.PIPE).communicate()
494010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
504010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
5117f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhudef Bugreport(url, bugreport_dir, adb_cmd):
5217f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  """Pull a bugreport from the device."""
5317f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  bugreport_filename = "%s/reliability_bugreport_%d.txt" % (bugreport_dir,
5417f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu                                                            int(time.time()))
5517f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu
5617f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  # prepend the report with url
5717f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  handle = open(bugreport_filename, "w")
5817f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  handle.writelines("Bugreport for crash in url - %s\n\n" % url)
5917f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  handle.close()
6017f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu
6117f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  cmd = "%s bugreport >> %s" % (adb_cmd, bugreport_filename)
6217f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  os.system(cmd)
6317f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu
6417f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu
654010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhudef main(options, args):
664010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  """Send the url list to device and start testing, restart if crashed."""
674010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
684010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  # Set up logging format.
694010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  log_level = logging.INFO
704010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if options.verbose:
714010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    log_level = logging.DEBUG
724010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  logging.basicConfig(level=log_level,
734010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                      format="%(message)s")
744010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
754010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  # Include all tests if none are specified.
764010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if not args:
7765455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu    print "Missing URL list file"
7865455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu    sys.exit(1)
794010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  else:
804010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    path = args[0]
814010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
824010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if not options.crash_file:
8365455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu    print "Missing crash file name, use --crash-file to specify"
844010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    sys.exit(1)
854010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  else:
864010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    crashed_file = options.crash_file
874010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
884010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if not options.timeout_file:
8965455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu    print "Missing timeout file, use --timeout-file to specify"
904010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    sys.exit(1)
914010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  else:
924010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    timedout_file = options.timeout_file
934010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
943e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  if not options.delay:
953e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu    manual_delay = 0
963e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  else:
973e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu    manual_delay = options.delay
983e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu
9917f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  if not options.bugreport:
10017f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu    bugreport_dir = "."
10117f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  else:
10217f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu    bugreport_dir = options.bugreport
10317f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  if not os.path.exists(bugreport_dir):
10417f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu    os.makedirs(bugreport_dir)
10517f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  if not os.path.isdir(bugreport_dir):
10617f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu    logging.error("Cannot create results dir: " + bugreport_dir)
10717f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu    sys.exit(1)
10817f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu
1094010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  adb_cmd = "adb "
1104010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if options.adb_options:
1114010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    adb_cmd += options.adb_options + " "
1124010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1134010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  # push url list to device
1144010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  test_cmd = adb_cmd + " push \"" + path + "\" \"" + TEST_LIST_FILE + "\""
1154010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  proc = subprocess.Popen(test_cmd, shell=True,
1164010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                          stdout=subprocess.PIPE,
1174010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                          stderr=subprocess.PIPE)
1184010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  (adb_output, adb_error) = proc.communicate()
1194010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if proc.returncode != 0:
1204010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.error("failed to push url list to device.")
1214010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.error(adb_output)
1224010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.error(adb_error)
1234010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    sys.exit(1)
1244010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
12565455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu  # clean up previous results
12665455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu  RemoveDeviceFile(adb_cmd, TEST_STATUS_FILE)
12765455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu  RemoveDeviceFile(adb_cmd, TEST_TIMEOUT_FILE)
12865455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu
1294010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  logging.info("Running the test ...")
1304010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1314010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  # Count crashed tests.
1324010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  crashed_tests = []
1334010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1344010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if options.time_out_ms:
1354010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    timeout_ms = options.time_out_ms
1364010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1374010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  # Run test until it's done
1384010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  test_cmd_prefix = adb_cmd + " shell am instrument"
1394010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  test_cmd_postfix = " -w com.android.dumprendertree/.LayoutTestsAutoRunner"
1404010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1414010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  # Call ReliabilityTestsAutoTest#startReliabilityTests
1424010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  test_cmd = (test_cmd_prefix + " -e class "
14365455a1a46e3bec020befd27ff5ad6bfdab61a7dGuang Zhu              "com.android.dumprendertree.ReliabilityTest#"
1443e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu              "runReliabilityTest -e timeout %s -e delay %s %s" %
1453e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu              (str(timeout_ms), str(manual_delay), test_cmd_postfix))
1464010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1474010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  adb_output = subprocess.Popen(test_cmd, shell=True,
1484010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                                stdout=subprocess.PIPE,
1494010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                                stderr=subprocess.PIPE).communicate()[0]
1504010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  while not DumpRenderTreeFinished(adb_cmd):
1514010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.error("DumpRenderTree exited before all URLs are visited.")
1524010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    shell_cmd_str = adb_cmd + " shell cat " + TEST_STATUS_FILE
1534010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    crashed_test = subprocess.Popen(shell_cmd_str, shell=True,
1544010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                                    stdout=subprocess.PIPE).communicate()[0]
1554010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.info(crashed_test + " CRASHED")
1564010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    crashed_tests.append(crashed_test)
15717f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu    Bugreport(crashed_test, bugreport_dir, adb_cmd)
1584010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.info("Resuming reliability test runner...")
1594010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1604010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    adb_output = subprocess.Popen(test_cmd, shell=True, stdout=subprocess.PIPE,
1614010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                                  stderr=subprocess.PIPE).communicate()[0]
1624010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1634010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if (adb_output.find("INSTRUMENTATION_FAILED") != -1 or
1644010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu      adb_output.find("Process crashed.") != -1):
1654010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.error("Error happened : " + adb_output)
1664010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    sys.exit(1)
1674010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1684010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  logging.info(adb_output)
1694010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  logging.info("Done\n")
1704010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1714010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  if crashed_tests:
1724010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    file_handle = open(crashed_file, "w")
1734010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    file_handle.writelines("\n".join(crashed_tests))
1744010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.info("Crashed URL list stored in: " + crashed_file)
1754010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    file_handle.close()
1764010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  else:
1774010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu    logging.info("No crash found.")
1784010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1794010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  test_cmd = (adb_cmd + "pull \"" + TEST_TIMEOUT_FILE + "\" \""
1804010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu              + timedout_file +  "\"")
1814010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1824010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  subprocess.Popen(test_cmd, shell=True, stdout=subprocess.PIPE,
1834010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                   stderr=subprocess.PIPE).communicate()
1844010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1854010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu
1864010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhuif "__main__" == __name__:
1874010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  option_parser = optparse.OptionParser()
1883e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  option_parser.add_option("-t", "--time-out-ms",
1894010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           default=60000,
1904010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           help="set the timeout for each test")
1913e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  option_parser.add_option("-v", "--verbose", action="store_true",
1924010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           default=False,
1934010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           help="include debug-level logging")
1943e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  option_parser.add_option("-a", "--adb-options",
1954010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           default=None,
1964010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           help="pass options to adb, such as -d -e, etc")
1973e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  option_parser.add_option("-c", "--crash-file",
1984010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           default="reliability_crashed_sites.txt",
1994010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           help="the list of sites that cause browser to crash")
2003e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  option_parser.add_option("-f", "--timeout-file",
2014010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu                           default="reliability_timedout_sites.txt",
20217f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu                           help="the list of sites that timedout during test")
2033e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu  option_parser.add_option("-d", "--delay",
2043e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu                           default=0,
2053e8950c0c73f9c1574ce3388c754009edf6bc930Guang Zhu                           help="add a manual delay between pages (in ms)")
20617f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu  option_parser.add_option("-b", "--bugreport",
20717f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu                           default=".",
20817f8fa6b24da34724b4497622f374b27f3041e1cGuang Zhu                           help="the directory to store bugreport for crashes")
2094010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  opts, arguments = option_parser.parse_args()
2104010ac35b1e49d659d7a32cc191302b8e2d8758aGuang Zhu  main(opts, arguments)
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