# This Source Code Form is subject to the terms of the Mozilla Public # License, v. 2.0. If a copy of the MPL was not distributed with this # file, You can obtain one at http://mozilla.org/MPL/2.0/. import sys import os import time import tempfile import re import traceback import shutil import math import base64 sys.path.insert(0, os.path.abspath(os.path.realpath(os.path.dirname(__file__)))) from automation import Automation from remoteautomation import RemoteAutomation, fennecLogcatFilters from runtests import Mochitest from runtests import MochitestServer from mochitest_options import MochitestOptions import devicemanager import droid import manifestparser import mozinfo import mozlog import moznetwork SCRIPT_DIR = os.path.abspath(os.path.realpath(os.path.dirname(__file__))) log = mozlog.getLogger('Mochi-Remote') class RemoteOptions(MochitestOptions): def __init__(self, automation, **kwargs): defaults = {} self._automation = automation or Automation() MochitestOptions.__init__(self) self.add_option("--remote-app-path", action="store", type = "string", dest = "remoteAppPath", help = "Path to remote executable relative to device root using only forward slashes. Either this or app must be specified but not both") defaults["remoteAppPath"] = None self.add_option("--deviceIP", action="store", type = "string", dest = "deviceIP", help = "ip address of remote device to test") defaults["deviceIP"] = None self.add_option("--dm_trans", action="store", type = "string", dest = "dm_trans", help = "the transport to use to communicate with device: [adb|sut]; default=sut") defaults["dm_trans"] = "sut" self.add_option("--devicePort", action="store", type = "string", dest = "devicePort", help = "port of remote device to test") defaults["devicePort"] = 20701 self.add_option("--remote-product-name", action="store", type = "string", dest = "remoteProductName", help = "The executable's name of remote product to test - either fennec or firefox, defaults to fennec") defaults["remoteProductName"] = "fennec" self.add_option("--remote-logfile", action="store", type = "string", dest = "remoteLogFile", help = "Name of log file on the device relative to the device root. PLEASE ONLY USE A FILENAME.") defaults["remoteLogFile"] = None self.add_option("--remote-webserver", action = "store", type = "string", dest = "remoteWebServer", help = "ip address where the remote web server is hosted at") defaults["remoteWebServer"] = None self.add_option("--http-port", action = "store", type = "string", dest = "httpPort", help = "http port of the remote web server") defaults["httpPort"] = automation.DEFAULT_HTTP_PORT self.add_option("--ssl-port", action = "store", type = "string", dest = "sslPort", help = "ssl port of the remote web server") defaults["sslPort"] = automation.DEFAULT_SSL_PORT self.add_option("--robocop-ini", action = "store", type = "string", dest = "robocopIni", help = "name of the .ini file containing the list of tests to run") defaults["robocopIni"] = "" self.add_option("--robocop", action = "store", type = "string", dest = "robocop", help = "name of the .ini file containing the list of tests to run. [DEPRECATED- please use --robocop-ini") defaults["robocop"] = "" self.add_option("--robocop-apk", action = "store", type = "string", dest = "robocopApk", help = "name of the Robocop APK to use for ADB test running") defaults["robocopApk"] = "" self.add_option("--robocop-path", action = "store", type = "string", dest = "robocopPath", help = "Path to the folder where robocop.apk is located at. Primarily used for ADB test running. [DEPRECATED- please use --robocop-apk]") defaults["robocopPath"] = "" self.add_option("--robocop-ids", action = "store", type = "string", dest = "robocopIds", help = "name of the file containing the view ID map (fennec_ids.txt)") defaults["robocopIds"] = "" self.add_option("--remoteTestRoot", action = "store", type = "string", dest = "remoteTestRoot", help = "remote directory to use as test root (eg. /mnt/sdcard/tests or /data/local/tests)") defaults["remoteTestRoot"] = None defaults["logFile"] = "mochitest.log" defaults["autorun"] = True defaults["closeWhenDone"] = True defaults["testPath"] = "" defaults["app"] = None defaults["utilityPath"] = None self.set_defaults(**defaults) def verifyRemoteOptions(self, options, automation): if not options.remoteTestRoot: options.remoteTestRoot = automation._devicemanager.getDeviceRoot() if options.remoteWebServer == None: if os.name != "nt": options.remoteWebServer = moznetwork.get_ip() else: log.error("you must specify a --remote-webserver=") return None options.webServer = options.remoteWebServer if (options.deviceIP == None): log.error("you must provide a device IP") return None if (options.remoteLogFile == None): options.remoteLogFile = options.remoteTestRoot + '/logs/mochitest.log' if (options.remoteLogFile.count('/') < 1): options.remoteLogFile = options.remoteTestRoot + '/' + options.remoteLogFile # remoteAppPath or app must be specified to find the product to launch if (options.remoteAppPath and options.app): log.error("You cannot specify both the remoteAppPath and the app setting") return None elif (options.remoteAppPath): options.app = options.remoteTestRoot + "/" + options.remoteAppPath elif (options.app == None): # Neither remoteAppPath nor app are set -- error log.error("You must specify either appPath or app") return None # Only reset the xrePath if it wasn't provided if (options.xrePath == None): options.xrePath = options.utilityPath if (options.pidFile != ""): f = open(options.pidFile, 'w') f.write("%s" % os.getpid()) f.close() # Robocop specific deprecated options. if options.robocop: if options.robocopIni: log.error("can not use deprecated --robocop and replacement --robocop-ini together") return None options.robocopIni = options.robocop del options.robocop if options.robocopPath: if options.robocopApk: log.error("can not use deprecated --robocop-path and replacement --robocop-apk together") return None options.robocopApk = os.path.join(options.robocopPath, 'robocop.apk') del options.robocopPath # Robocop specific options if options.robocopIni != "": if not os.path.exists(options.robocopIni): log.error("Unable to find specified robocop .ini manifest '%s'", options.robocopIni) return None options.robocopIni = os.path.abspath(options.robocopIni) if options.robocopApk != "": if not os.path.exists(options.robocopApk): log.error("Unable to find robocop APK '%s'", options.robocopApk) return None options.robocopApk = os.path.abspath(options.robocopApk) if options.robocopIds != "": if not os.path.exists(options.robocopIds): log.error("Unable to find specified robocop IDs file '%s'", options.robocopIds) return None options.robocopIds = os.path.abspath(options.robocopIds) # allow us to keep original application around for cleanup while running robocop via 'am' options.remoteappname = options.app return options def verifyOptions(self, options, mochitest): # since we are reusing verifyOptions, it will exit if App is not found temp = options.app options.app = __file__ tempPort = options.httpPort tempSSL = options.sslPort tempIP = options.webServer # We are going to override this option later anyway, just pretend # like it's not set for verification purposes. options.dumpOutputDirectory = None options = MochitestOptions.verifyOptions(self, options, mochitest) options.webServer = tempIP options.app = temp options.sslPort = tempSSL options.httpPort = tempPort return options class MochiRemote(Mochitest): _automation = None _dm = None localProfile = None logLines = [] def __init__(self, automation, devmgr, options): self._automation = automation Mochitest.__init__(self) self._dm = devmgr self.environment = self._automation.environment self.remoteProfile = options.remoteTestRoot + "/profile" self._automation.setRemoteProfile(self.remoteProfile) self.remoteLog = options.remoteLogFile self.localLog = options.logFile self._automation.deleteANRs() self.certdbNew = True def cleanup(self, options): if self._dm.fileExists(self.remoteLog): self._dm.getFile(self.remoteLog, self.localLog) self._dm.removeFile(self.remoteLog) else: log.warn("Unable to retrieve log file (%s) from remote device", self.remoteLog) self._dm.removeDir(self.remoteProfile) Mochitest.cleanup(self, options) def findPath(self, paths, filename = None): for path in paths: p = path if filename: p = os.path.join(p, filename) if os.path.exists(self.getFullPath(p)): return path return None def makeLocalAutomation(self): localAutomation = Automation() localAutomation.IS_WIN32 = False localAutomation.IS_LINUX = False localAutomation.IS_MAC = False localAutomation.UNIXISH = False hostos = sys.platform if (hostos == 'mac' or hostos == 'darwin'): localAutomation.IS_MAC = True elif (hostos == 'linux' or hostos == 'linux2'): localAutomation.IS_LINUX = True localAutomation.UNIXISH = True elif (hostos == 'win32' or hostos == 'win64'): localAutomation.BIN_SUFFIX = ".exe" localAutomation.IS_WIN32 = True return localAutomation # This seems kludgy, but this class uses paths from the remote host in the # options, except when calling up to the base class, which doesn't # understand the distinction. This switches out the remote values for local # ones that the base class understands. This is necessary for the web # server, SSL tunnel and profile building functions. def switchToLocalPaths(self, options): """ Set local paths in the options, return a function that will restore remote values """ remoteXrePath = options.xrePath remoteProfilePath = options.profilePath remoteUtilityPath = options.utilityPath localAutomation = self.makeLocalAutomation() paths = [ options.xrePath, localAutomation.DIST_BIN, self._automation._product, os.path.join('..', self._automation._product) ] options.xrePath = self.findPath(paths) if options.xrePath == None: log.error("unable to find xulrunner path for %s, please specify with --xre-path", os.name) sys.exit(1) xpcshell = "xpcshell" if (os.name == "nt"): xpcshell += ".exe" if options.utilityPath: paths = [options.utilityPath, options.xrePath] else: paths = [options.xrePath] options.utilityPath = self.findPath(paths, xpcshell) if options.utilityPath == None: log.error("unable to find utility path for %s, please specify with --utility-path", os.name) sys.exit(1) xpcshell_path = os.path.join(options.utilityPath, xpcshell) if localAutomation.elf_arm(xpcshell_path): log.error('xpcshell at %s is an ARM binary; please use ' 'the --utility-path argument to specify the path ' 'to a desktop version.' % xpcshell_path) sys.exit(1) if self.localProfile: options.profilePath = self.localProfile else: options.profilePath = tempfile.mkdtemp() def fixup(): options.xrePath = remoteXrePath options.utilityPath = remoteUtilityPath options.profilePath = remoteProfilePath return fixup def startServers(self, options, debuggerInfo): """ Create the servers on the host and start them up """ restoreRemotePaths = self.switchToLocalPaths(options) Mochitest.startServers(self, options, debuggerInfo) restoreRemotePaths() def buildProfile(self, options): restoreRemotePaths = self.switchToLocalPaths(options) manifest = Mochitest.buildProfile(self, options) self.localProfile = options.profilePath self._dm.removeDir(self.remoteProfile) # we do not need this for robotium based tests, lets save a LOT of time if options.robocopIni: shutil.rmtree(os.path.join(options.profilePath, 'webapps')) shutil.rmtree(os.path.join(options.profilePath, 'extensions', 'staged', 'mochikit@mozilla.org')) shutil.rmtree(os.path.join(options.profilePath, 'extensions', 'staged', 'worker-test@mozilla.org')) shutil.rmtree(os.path.join(options.profilePath, 'extensions', 'staged', 'workerbootstrap-test@mozilla.org')) os.remove(os.path.join(options.profilePath, 'userChrome.css')) try: self._dm.pushDir(options.profilePath, self.remoteProfile) except devicemanager.DMError: log.error("Automation Error: Unable to copy profile to device.") raise restoreRemotePaths() options.profilePath = self.remoteProfile return manifest def buildURLOptions(self, options, env): self.localLog = options.logFile options.logFile = self.remoteLog options.profilePath = self.localProfile env["MOZ_HIDE_RESULTS_TABLE"] = "1" retVal = Mochitest.buildURLOptions(self, options, env) if not options.robocopIni: #we really need testConfig.js (for browser chrome) try: self._dm.pushDir(options.profilePath, self.remoteProfile) except devicemanager.DMError: log.error("Automation Error: Unable to copy profile to device.") raise options.profilePath = self.remoteProfile options.logFile = self.localLog return retVal def buildTestPath(self, options): if options.robocopIni != "": # Skip over manifest building if we just want to run # robocop tests. return self.buildTestURL(options) else: return super(MochiRemote, self).buildTestPath(options) def installChromeFile(self, filename, options): parts = options.app.split('/') if (parts[0] == options.app): return "NO_CHROME_ON_DROID" path = '/'.join(parts[:-1]) manifest = path + "/chrome/" + os.path.basename(filename) try: self._dm.pushFile(filename, manifest) except devicemanager.DMError: log.error("Automation Error: Unable to install Chrome files on device.") raise return manifest def getLogFilePath(self, logFile): return logFile # In the future we could use LogParser: http://hg.mozilla.org/automation/logparser/ def addLogData(self): with open(self.localLog) as currentLog: data = currentLog.readlines() restart = re.compile('0 INFO SimpleTest START.*') reend = re.compile('([0-9]+) INFO TEST-START . Shutdown.*') refail = re.compile('([0-9]+) INFO TEST-UNEXPECTED-FAIL.*') start_found = False end_found = False fail_found = False for line in data: if reend.match(line): end_found = True start_found = False break if start_found and not end_found: # Append the line without the number to increment self.logLines.append(' '.join(line.split(' ')[1:])) if restart.match(line): start_found = True if refail.match(line): fail_found = True result = 0 if fail_found: result = 1 if not end_found: log.error("Automation Error: Missing end of test marker (process crashed?)") result = 1 return result def printLog(self): passed = 0 failed = 0 todo = 0 incr = 1 logFile = [] logFile.append("0 INFO SimpleTest START") for line in self.logLines: if line.startswith("INFO TEST-PASS"): passed += 1 elif line.startswith("INFO TEST-UNEXPECTED"): failed += 1 elif line.startswith("INFO TEST-KNOWN"): todo += 1 incr += 1 logFile.append("%s INFO TEST-START | Shutdown" % incr) incr += 1 logFile.append("%s INFO Passed: %s" % (incr, passed)) incr += 1 logFile.append("%s INFO Failed: %s" % (incr, failed)) incr += 1 logFile.append("%s INFO Todo: %s" % (incr, todo)) incr += 1 logFile.append("%s INFO SimpleTest FINISHED" % incr) # TODO: Consider not printing to stdout because we might be duplicating output print '\n'.join(logFile) with open(self.localLog, 'w') as localLog: localLog.write('\n'.join(logFile)) if failed > 0: return 1 return 0 def printScreenshots(self, screenShotDir): # TODO: This can be re-written after completion of bug 749421 if not self._dm.dirExists(screenShotDir): log.info("SCREENSHOT: No ScreenShots directory available: " + screenShotDir) return printed = 0 for name in self._dm.listFiles(screenShotDir): fullName = screenShotDir + "/" + name log.info("SCREENSHOT: FOUND: [%s]", fullName) try: image = self._dm.pullFile(fullName) encoded = base64.b64encode(image) log.info("SCREENSHOT: data:image/jpg;base64,%s", encoded) printed += 1 except: log.info("SCREENSHOT: Could not be parsed") pass log.info("SCREENSHOT: TOTAL PRINTED: [%s]", printed) def printDeviceInfo(self, printLogcat=False): try: if printLogcat: logcat = self._dm.getLogcat(filterOutRegexps=fennecLogcatFilters) log.info('\n'+(''.join(logcat))) log.info("Device info: %s", self._dm.getInfo()) log.info("Test root: %s", self._dm.getDeviceRoot()) except devicemanager.DMError: log.warn("Error getting device information") def buildRobotiumConfig(self, options, browserEnv): deviceRoot = self._dm.getDeviceRoot() fHandle = tempfile.NamedTemporaryFile(suffix='.config', prefix='robotium-', dir=os.getcwd(), delete=False) fHandle.write("profile=%s\n" % (self.remoteProfile)) fHandle.write("logfile=%s\n" % (options.remoteLogFile)) fHandle.write("host=http://mochi.test:8888/tests\n") fHandle.write("rawhost=http://%s:%s/tests\n" % (options.remoteWebServer, options.httpPort)) if browserEnv: envstr = "" delim = "" for key, value in browserEnv.items(): try: value.index(',') log.error("buildRobotiumConfig: browserEnv - Found a ',' in our value, unable to process value. key=%s,value=%s", key, value) log.error("browserEnv=%s", browserEnv) except ValueError, e: envstr += "%s%s=%s" % (delim, key, value) delim = "," fHandle.write("envvars=%s\n" % envstr) fHandle.close() self._dm.removeFile(os.path.join(deviceRoot, "robotium.config")) self._dm.pushFile(fHandle.name, os.path.join(deviceRoot, "robotium.config")) os.unlink(fHandle.name) def buildBrowserEnv(self, options, debugger=False): browserEnv = Mochitest.buildBrowserEnv(self, options, debugger=debugger) self.buildRobotiumConfig(options, browserEnv) return browserEnv def runApp(self, *args, **kwargs): """front-end automation.py's `runApp` functionality until FennecRunner is written""" # automation.py/remoteautomation `runApp` takes the profile path, # whereas runtest.py's `runApp` takes a mozprofile object. if 'profileDir' not in kwargs and 'profile' in kwargs: kwargs['profileDir'] = kwargs.pop('profile').profile # We're handling ssltunnel, so we should lie to automation.py to avoid # it trying to set up ssltunnel as well kwargs['runSSLTunnel'] = False return self._automation.runApp(*args, **kwargs) def main(): auto = RemoteAutomation(None, "fennec") parser = RemoteOptions(auto) options, args = parser.parse_args() if (options.dm_trans == "adb"): if (options.deviceIP): dm = droid.DroidADB(options.deviceIP, options.devicePort, deviceRoot=options.remoteTestRoot) else: dm = droid.DroidADB(deviceRoot=options.remoteTestRoot) else: dm = droid.DroidSUT(options.deviceIP, options.devicePort, deviceRoot=options.remoteTestRoot) auto.setDeviceManager(dm) options = parser.verifyRemoteOptions(options, auto) if (options == None): log.error("Invalid options specified, use --help for a list of valid options") sys.exit(1) productPieces = options.remoteProductName.split('.') if (productPieces != None): auto.setProduct(productPieces[0]) else: auto.setProduct(options.remoteProductName) auto.setAppName(options.remoteappname) mochitest = MochiRemote(auto, dm, options) options = parser.verifyOptions(options, mochitest) if (options == None): sys.exit(1) logParent = os.path.dirname(options.remoteLogFile) dm.mkDir(logParent); auto.setRemoteLog(options.remoteLogFile) auto.setServerInfo(options.webServer, options.httpPort, options.sslPort) mochitest.printDeviceInfo() # Add Android version (SDK level) to mozinfo so that manifest entries # can be conditional on android_version. androidVersion = dm.shellCheckOutput(['getprop', 'ro.build.version.sdk']) log.info("Android sdk version '%s'; will use this to filter manifests" % str(androidVersion)) mozinfo.info['android_version'] = androidVersion deviceRoot = dm.getDeviceRoot() if options.dmdPath: dmdLibrary = "libdmd.so" dmdPathOnDevice = os.path.join(deviceRoot, dmdLibrary) dm.removeFile(dmdPathOnDevice) dm.pushFile(os.path.join(options.dmdPath, dmdLibrary), dmdPathOnDevice) options.dmdPath = deviceRoot options.dumpOutputDirectory = deviceRoot procName = options.app.split('/')[-1] dm.killProcess(procName) if options.robocopIni != "": # sut may wait up to 300 s for a robocop am process before returning dm.default_timeout = 320 mp = manifestparser.TestManifest(strict=False) # TODO: pull this in dynamically mp.read(options.robocopIni) robocop_tests = mp.active_tests(exists=False, **mozinfo.info) tests = [] my_tests = tests for test in robocop_tests: tests.append(test['name']) if options.totalChunks: tests_per_chunk = math.ceil(len(tests) / (options.totalChunks * 1.0)) start = int(round((options.thisChunk-1) * tests_per_chunk)) end = int(round(options.thisChunk * tests_per_chunk)) if end > len(tests): end = len(tests) my_tests = tests[start:end] log.info("Running tests %d-%d/%d", start+1, end, len(tests)) dm.removeFile(os.path.join(deviceRoot, "fennec_ids.txt")) fennec_ids = os.path.abspath(os.path.join(SCRIPT_DIR, "fennec_ids.txt")) if not os.path.exists(fennec_ids) and options.robocopIds: fennec_ids = options.robocopIds dm.pushFile(fennec_ids, os.path.join(deviceRoot, "fennec_ids.txt")) options.extraPrefs.append('browser.search.suggest.enabled=true') options.extraPrefs.append('browser.search.suggest.prompted=true') options.extraPrefs.append('layout.css.devPixelsPerPx=1.0') options.extraPrefs.append('browser.chrome.dynamictoolbar=false') options.extraPrefs.append('browser.snippets.enabled=false') if (options.dm_trans == 'adb' and options.robocopApk): dm._checkCmd(["install", "-r", options.robocopApk]) retVal = None for test in robocop_tests: if options.testPath and options.testPath != test['name']: continue if not test['name'] in my_tests: continue if 'disabled' in test: log.info('TEST-INFO | skipping %s | %s' % (test['name'], test['disabled'])) continue # When running in a loop, we need to create a fresh profile for each cycle if mochitest.localProfile: options.profilePath = mochitest.localProfile os.system("rm -Rf %s" % options.profilePath) options.profilePath = tempfile.mkdtemp() mochitest.localProfile = options.profilePath options.app = "am" options.browserArgs = ["instrument", "-w", "-e", "deviceroot", deviceRoot, "-e", "class"] options.browserArgs.append("org.mozilla.gecko.tests.%s" % test['name']) options.browserArgs.append("org.mozilla.roboexample.test/org.mozilla.gecko.FennecInstrumentationTestRunner") # If the test is for checking the import from bookmarks then make sure there is data to import if test['name'] == "testImportFromAndroid": # Get the OS so we can run the insert in the apropriate database and following the correct table schema osInfo = dm.getInfo("os") devOS = " ".join(osInfo['os']) if ("pandaboard" in devOS): delete = ['execsu', 'sqlite3', "/data/data/com.android.browser/databases/browser2.db \'delete from bookmarks where _id > 14;\'"] else: delete = ['execsu', 'sqlite3', "/data/data/com.android.browser/databases/browser.db \'delete from bookmarks where _id > 14;\'"] if (options.dm_trans == "sut"): dm._runCmds([{"cmd": " ".join(delete)}]) # Insert the bookmarks log.info("Insert bookmarks in the default android browser database") for i in range(20): if ("pandaboard" in devOS): cmd = ['execsu', 'sqlite3', "/data/data/com.android.browser/databases/browser2.db 'insert or replace into bookmarks(_id,title,url,folder,parent,position) values (" + str(30 + i) + ",\"Bookmark"+ str(i) + "\",\"http://www.bookmark" + str(i) + ".com\",0,1," + str(100 + i) + ");'"] else: cmd = ['execsu', 'sqlite3', "/data/data/com.android.browser/databases/browser.db 'insert into bookmarks(title,url,bookmark) values (\"Bookmark"+ str(i) + "\",\"http://www.bookmark" + str(i) + ".com\",1);'"] if (options.dm_trans == "sut"): dm._runCmds([{"cmd": " ".join(cmd)}]) try: screenShotDir = "/mnt/sdcard/Robotium-Screenshots" dm.removeDir(screenShotDir) dm.recordLogcat() result = mochitest.runTests(options) if result != 0: log.error("runTests() exited with code %s", result) log_result = mochitest.addLogData() if result != 0 or log_result != 0: mochitest.printDeviceInfo(printLogcat=True) mochitest.printScreenshots(screenShotDir) # Ensure earlier failures aren't overwritten by success on this run if retVal is None or retVal == 0: retVal = result except: log.error("Automation Error: Exception caught while running tests") traceback.print_exc() mochitest.stopServers() try: mochitest.cleanup(options) except devicemanager.DMError: # device error cleaning up... oh well! pass retVal = 1 break finally: # Clean-up added bookmarks if test['name'] == "testImportFromAndroid": if ("pandaboard" in devOS): cmd_del = ['execsu', 'sqlite3', "/data/data/com.android.browser/databases/browser2.db \'delete from bookmarks where _id > 14;\'"] else: cmd_del = ['execsu', 'sqlite3', "/data/data/com.android.browser/databases/browser.db \'delete from bookmarks where _id > 14;\'"] if (options.dm_trans == "sut"): dm._runCmds([{"cmd": " ".join(cmd_del)}]) if retVal is None: log.warn("No tests run. Did you pass an invalid TEST_PATH?") retVal = 1 else: # if we didn't have some kind of error running the tests, make # sure the tests actually passed print "INFO | runtests.py | Test summary: start." overallResult = mochitest.printLog() print "INFO | runtests.py | Test summary: end." if retVal == 0: retVal = overallResult else: try: dm.recordLogcat() retVal = mochitest.runTests(options) except: log.error("Automation Error: Exception caught while running tests") traceback.print_exc() mochitest.stopServers() try: mochitest.cleanup(options) except devicemanager.DMError: # device error cleaning up... oh well! pass retVal = 1 mochitest.printDeviceInfo(printLogcat=True) sys.exit(retVal) if __name__ == "__main__": main()