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How to use apply_patches method in localstack

Best Python code snippet using localstack_python

test_nocloud.py

Source:test_nocloud.py

...10        self.tmp = self.makeDir()11        self.paths = helpers.Paths({'cloud_dir': self.tmp})12        self.cmdline = "root=TESTCMDLINE"13        self.unapply = []14        self.apply_patches([(util, 'get_cmdline', self._getcmdline)])15        super(TestNoCloudDataSource, self).setUp()16    def tearDown(self):17        apply_patches([i for i in reversed(self.unapply)])18        super(TestNoCloudDataSource, self).tearDown()19    def apply_patches(self, patches):20        ret = apply_patches(patches)21        self.unapply += ret22    def _getcmdline(self):23        return self.cmdline24    def test_nocloud_seed_dir(self):25        md = {'instance-id': 'IID', 'dsmode': 'local'}26        ud = "USER_DATA_HERE"27        populate_dir(os.path.join(self.paths.seed_dir, "nocloud"),28                     {'user-data': ud, 'meta-data': yaml.safe_dump(md)})29        sys_cfg = {30            'datasource': {'NoCloud': {'fs_label': None}}31        }32        ds = DataSourceNoCloud.DataSourceNoCloud33        dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)34        ret = dsrc.get_data()35        self.assertEqual(dsrc.userdata_raw, ud)36        self.assertEqual(dsrc.metadata, md)37        self.assertTrue(ret)38    def test_fs_label(self):39        #find_devs_with should not be called ff fs_label is None40        ds = DataSourceNoCloud.DataSourceNoCloud41        class PsuedoException(Exception):42            pass43        def my_find_devs_with(*args, **kwargs):44            _f = (args, kwargs)45            raise PsuedoException46        self.apply_patches([(util, 'find_devs_with', my_find_devs_with)])47        # by default, NoCloud should search for filesystems by label48        sys_cfg = {'datasource': {'NoCloud': {}}}49        dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)50        self.assertRaises(PsuedoException, dsrc.get_data)51        # but disabling searching should just end up with None found52        sys_cfg = {'datasource': {'NoCloud': {'fs_label': None}}}53        dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)54        ret = dsrc.get_data()55        self.assertFalse(ret)56    def test_no_datasource_expected(self):57        #no source should be found if no cmdline, config, and fs_label=None58        sys_cfg = {'datasource': {'NoCloud': {'fs_label': None}}}59        ds = DataSourceNoCloud.DataSourceNoCloud60        dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)61        self.assertFalse(dsrc.get_data())62    def test_seed_in_config(self):63        ds = DataSourceNoCloud.DataSourceNoCloud64        data = {65            'fs_label': None,66            'meta-data': {'instance-id': 'IID'},67            'user-data': "USER_DATA_RAW",68        }69        sys_cfg = {'datasource': {'NoCloud': data}}70        dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)71        ret = dsrc.get_data()72        self.assertEqual(dsrc.userdata_raw, "USER_DATA_RAW")73        self.assertEqual(dsrc.metadata.get('instance-id'), 'IID')74        self.assertTrue(ret)75    def test_nocloud_seed_with_vendordata(self):76        md = {'instance-id': 'IID', 'dsmode': 'local'}77        ud = "USER_DATA_HERE"78        vd = "THIS IS MY VENDOR_DATA"79        populate_dir(os.path.join(self.paths.seed_dir, "nocloud"),80                     {'user-data': ud, 'meta-data': yaml.safe_dump(md),81                      'vendor-data': vd})82        sys_cfg = {83            'datasource': {'NoCloud': {'fs_label': None}}84        }85        ds = DataSourceNoCloud.DataSourceNoCloud86        dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)87        ret = dsrc.get_data()88        self.assertEqual(dsrc.userdata_raw, ud)89        self.assertEqual(dsrc.metadata, md)90        self.assertEqual(dsrc.vendordata, vd)91        self.assertTrue(ret)92    def test_nocloud_no_vendordata(self):93        populate_dir(os.path.join(self.paths.seed_dir, "nocloud"),94                     {'user-data': "ud", 'meta-data': "instance-id: IID\n"})95        sys_cfg = {'datasource': {'NoCloud': {'fs_label': None}}}96        ds = DataSourceNoCloud.DataSourceNoCloud97        dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths)98        ret = dsrc.get_data()99        self.assertEqual(dsrc.userdata_raw, "ud")100        self.assertFalse(dsrc.vendordata)101        self.assertTrue(ret)102class TestParseCommandLineData(MockerTestCase):103    def test_parse_cmdline_data_valid(self):104        ds_id = "ds=nocloud"105        pairs = (106            ("root=/dev/sda1 %(ds_id)s", {}),107            ("%(ds_id)s; root=/dev/foo", {}),108            ("%(ds_id)s", {}),109            ("%(ds_id)s;", {}),110            ("%(ds_id)s;s=SEED", {'seedfrom': 'SEED'}),111            ("%(ds_id)s;seedfrom=SEED;local-hostname=xhost",112             {'seedfrom': 'SEED', 'local-hostname': 'xhost'}),113            ("%(ds_id)s;h=xhost",114             {'local-hostname': 'xhost'}),115            ("%(ds_id)s;h=xhost;i=IID",116             {'local-hostname': 'xhost', 'instance-id': 'IID'}),117        )118        for (fmt, expected) in pairs:119            fill = {}120            cmdline = fmt % {'ds_id': ds_id}121            ret = DataSourceNoCloud.parse_cmdline_data(ds_id=ds_id, fill=fill,122                                                       cmdline=cmdline)123            self.assertEqual(expected, fill)124            self.assertTrue(ret)125    def test_parse_cmdline_data_none(self):126        ds_id = "ds=foo"127        cmdlines = (128            "root=/dev/sda1 ro",129            "console=/dev/ttyS0 root=/dev/foo",130            "",131            "ds=foocloud",132            "ds=foo-net",133            "ds=nocloud;s=SEED",134        )135        for cmdline in cmdlines:136            fill = {}137            ret = DataSourceNoCloud.parse_cmdline_data(ds_id=ds_id, fill=fill,138                                                       cmdline=cmdline)139            self.assertEqual(fill, {})140            self.assertFalse(ret)141def apply_patches(patches):142    ret = []143    for (ref, name, replace) in patches:144        if replace is None:145            continue146        orig = getattr(ref, name)147        setattr(ref, name, replace)148        ret.append((ref, name, orig))149    return ret...

set_flags.py

Source:set_flags.py

...52            line = line.replace('LDFLAGS_FOR_BENCH_SUITE', ldflags)53            output += line54    with open('modified.diff', 'w') as f:55        f.write(output)56def apply_patches(bench):57    bench_dir = os.path.join(config.android_home, config.bench_dict[bench])58    bench_diff = 'modified.diff'59    flags_patch = os.path.join(60        os.path.dirname(os.path.realpath(__file__)), bench_diff)61    try:62        subprocess.check_call(['git', '-C', bench_dir, 'apply', flags_patch])63    except subprocess.CalledProcessError:64        raise OSError('Patch for adding flags for %s does not succeed.' % bench)65def replace_flags_in_dir(bench, cflags, ldflags):66    bench_mk = os.path.join(config.android_home, config.bench_dict[bench],67                            'Android.mk')68    if not cflags:69        cflags = ''70    if not ldflags:71        ldflags = ''72    output = ''73    with open(bench_mk) as f:74        for line in f:75            line = line.replace('$(CFLAGS_FOR_BENCH_SUITE)', cflags)76            line = line.replace('$(LDFLAGS_FOR_BENCH_SUITE)', ldflags)77            output += line78    with open(bench_mk, 'w') as f:79        f.write(output)80def add_flags_Panorama(cflags, ldflags):81    backup_file('Panorama', 'mk')82    replace_flags_in_dir('Panorama', cflags, ldflags)83def add_flags_Synthmark(cflags, ldflags):84    backup_file('Synthmark', 'mk')85    replace_flags_in_dir('Synthmark', cflags, ldflags)86def add_flags_Skia(cflags, ldflags):87    backup_file('Skia', 'bp')88    replace_flags('Skia', config.android_type, 'bp', cflags, ldflags)89    apply_patches('Skia')90def add_flags_Binder(cflags, ldflags):91    backup_file('Binder', 'bp')92    replace_flags('Binder', config.android_type, 'bp', cflags, ldflags)93    apply_patches('Binder')94def add_flags_Hwui(cflags, ldflags):95    backup_file('Hwui', 'bp')96    replace_flags('Hwui', config.android_type, 'bp', cflags, ldflags)97    apply_patches('Hwui')98def add_flags_Dex2oat(cflags, ldflags):99    backup_file('Dex2oat', 'bp')100    replace_flags('Dex2oat', config.android_type, 'bp', cflags, ldflags)...

hash_patch.py

Source:hash_patch.py

...12    def add_hash_candidate(self, mut):13        if mut.addr in self.blacklisted or mut.addr in self.patched:14            return15        self.patched.add(mut.addr)16        self.apply_patches()17    def blacklist_hash_candidate(self, addr):18        self.blacklisted.add(addr)19        if addr in self.patched:20            self.patched.remove(addr)21            self.apply_patches()22    def apply_patches(self):23        with open("/tmp/redqueen_whitelist", "w") as w:24            with open("/tmp/rq_patches", "w") as f:25                for addr in self.patched:26                    hexaddr = hex(addr).rstrip("L").lstrip("0x")27                    if hexaddr:28                        w.write(hexaddr + "\n")...

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