Python os.setxattr() Examples

The following are code examples for showing how to use os.setxattr(). They are from open source Python projects. You can vote up the examples you like or vote down the ones you don't like.

Example 1
Project: sic   Author: Yanixos   File: shutil.py    GNU General Public License v3.0 7 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 2
Project: jawfish   Author: war-and-code   File: shutil.py    MIT License 7 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 3
Project: NiujiaoDebugger   Author: MrSrc   File: shutil.py    GNU General Public License v3.0 7 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 4
Project: NiujiaoDebugger   Author: MrSrc   File: test_shutil.py    GNU General Public License v3.0 7 votes vote down vote up
def test_copyxattr_symlinks(self):
        # On Linux, it's only possible to access non-user xattr for symlinks;
        # which in turn require root privileges. This test should be expanded
        # as soon as other platforms gain support for extended attributes.
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        src_link = os.path.join(tmp_dir, 'baz')
        write_file(src, 'foo')
        os.symlink(src, src_link)
        os.setxattr(src, 'trusted.foo', b'42')
        os.setxattr(src_link, 'trusted.foo', b'43', follow_symlinks=False)
        dst = os.path.join(tmp_dir, 'bar')
        dst_link = os.path.join(tmp_dir, 'qux')
        write_file(dst, 'bar')
        os.symlink(dst, dst_link)
        shutil._copyxattr(src_link, dst_link, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst_link, 'trusted.foo', follow_symlinks=False), b'43')
        self.assertRaises(OSError, os.getxattr, dst, 'trusted.foo')
        shutil._copyxattr(src_link, dst, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst, 'trusted.foo'), b'43') 
Example 5
Project: kobo-predict   Author: awemulya   File: shutil.py    BSD 2-Clause "Simplified" License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 6
Project: XMorbid   Author: NMTech0x90   File: shutil.py    GNU General Public License v3.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 7
Project: Blockly-rduino-communication   Author: technologiescollege   File: shutil.py    GNU General Public License v3.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 8
Project: 2015cdb_g4   Author: 40223208   File: shutil.py    GNU General Public License v3.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 9
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: shutil.py    GNU General Public License v2.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA, errno.EINVAL):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA,
                                   errno.EINVAL):
                    raise 
Example 10
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: test_shutil.py    GNU General Public License v2.0 6 votes vote down vote up
def test_copyxattr_symlinks(self):
        # On Linux, it's only possible to access non-user xattr for symlinks;
        # which in turn require root privileges. This test should be expanded
        # as soon as other platforms gain support for extended attributes.
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        src_link = os.path.join(tmp_dir, 'baz')
        write_file(src, 'foo')
        os.symlink(src, src_link)
        os.setxattr(src, 'trusted.foo', b'42')
        os.setxattr(src_link, 'trusted.foo', b'43', follow_symlinks=False)
        dst = os.path.join(tmp_dir, 'bar')
        dst_link = os.path.join(tmp_dir, 'qux')
        write_file(dst, 'bar')
        os.symlink(dst, dst_link)
        shutil._copyxattr(src_link, dst_link, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst_link, 'trusted.foo', follow_symlinks=False), b'43')
        self.assertRaises(OSError, os.getxattr, dst, 'trusted.foo')
        shutil._copyxattr(src_link, dst, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst, 'trusted.foo'), b'43') 
Example 11
Project: aws-lambda-runtime-pypy   Author: uscheller   File: shutil.py    Apache License 2.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 12
Project: Bookmark   Author: AnkurRyder   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 13
Project: setup   Author: mindbender-studio   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 14
Project: 2015wcm   Author: coursemdetw   File: shutil.py    GNU Affero General Public License v3.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 15
Project: TFTHelper   Author: AliMZaini   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 16
Project: GraphicDesignPatternByPython   Author: Relph1119   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 17
Project: scylla   Author: acaceres2176   File: shutil.py    Apache License 2.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 18
Project: python   Author: Yeah-Kun   File: shutil.py    Apache License 2.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 19
Project: break   Author: makeorbreak-io   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 20
Project: Blackjack-Tracker   Author: martinabeleda   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 21
Project: python2017   Author: bpgc-cte   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 22
Project: MakeAmericaTweetAgain   Author: JoeEdwardsCode   File: shutil.py    GNU General Public License v3.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 23
Project: docker   Author: getavalon   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 24
Project: Real-World-Projects-in-Python-3.x   Author: PacktPublishing   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 25
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: shutil.py    GNU General Public License v3.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 26
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: test_shutil.py    GNU General Public License v3.0 6 votes vote down vote up
def test_copyxattr_symlinks(self):
        # On Linux, it's only possible to access non-user xattr for symlinks;
        # which in turn require root privileges. This test should be expanded
        # as soon as other platforms gain support for extended attributes.
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        src_link = os.path.join(tmp_dir, 'baz')
        write_file(src, 'foo')
        os.symlink(src, src_link)
        os.setxattr(src, 'trusted.foo', b'42')
        os.setxattr(src_link, 'trusted.foo', b'43', follow_symlinks=False)
        dst = os.path.join(tmp_dir, 'bar')
        dst_link = os.path.join(tmp_dir, 'qux')
        write_file(dst, 'bar')
        os.symlink(dst, dst_link)
        shutil._copyxattr(src_link, dst_link, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst_link, 'trusted.foo', follow_symlinks=False), b'43')
        self.assertRaises(OSError, os.getxattr, dst, 'trusted.foo')
        shutil._copyxattr(src_link, dst, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst, 'trusted.foo'), b'43') 
Example 27
Project: TryDjango   Author: vin0010   File: shutil.py    Apache License 2.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 28
Project: cells   Author: AlesTsurko   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA, errno.EINVAL):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA,
                                   errno.EINVAL):
                    raise 
Example 29
Project: cells   Author: AlesTsurko   File: test_shutil.py    MIT License 6 votes vote down vote up
def test_copyxattr_symlinks(self):
        # On Linux, it's only possible to access non-user xattr for symlinks;
        # which in turn require root privileges. This test should be expanded
        # as soon as other platforms gain support for extended attributes.
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        src_link = os.path.join(tmp_dir, 'baz')
        write_file(src, 'foo')
        os.symlink(src, src_link)
        os.setxattr(src, 'trusted.foo', b'42')
        os.setxattr(src_link, 'trusted.foo', b'43', follow_symlinks=False)
        dst = os.path.join(tmp_dir, 'bar')
        dst_link = os.path.join(tmp_dir, 'qux')
        write_file(dst, 'bar')
        os.symlink(dst, dst_link)
        shutil._copyxattr(src_link, dst_link, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst_link, 'trusted.foo', follow_symlinks=False), b'43')
        self.assertRaises(OSError, os.getxattr, dst, 'trusted.foo')
        shutil._copyxattr(src_link, dst, follow_symlinks=False)
        self.assertEqual(os.getxattr(dst, 'trusted.foo'), b'43') 
Example 30
Project: AutoDraw   Author: yemi-Jump   File: shutil.py    MIT License 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 31
Project: fund-rank-dashboard   Author: 1pani   File: shutil.py    Apache License 2.0 6 votes vote down vote up
def _copyxattr(src, dst, *, follow_symlinks=True):
        """Copy extended filesystem attributes from `src` to `dst`.

        Overwrite existing attributes.

        If `follow_symlinks` is false, symlinks won't be followed.

        """

        try:
            names = os.listxattr(src, follow_symlinks=follow_symlinks)
        except OSError as e:
            if e.errno not in (errno.ENOTSUP, errno.ENODATA):
                raise
            return
        for name in names:
            try:
                value = os.getxattr(src, name, follow_symlinks=follow_symlinks)
                os.setxattr(dst, name, value, follow_symlinks=follow_symlinks)
            except OSError as e:
                if e.errno not in (errno.EPERM, errno.ENOTSUP, errno.ENODATA):
                    raise 
Example 32
Project: jawfish   Author: war-and-code   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 33
Project: Repobot   Author: Desgard   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 34
Project: NiujiaoDebugger   Author: MrSrc   File: __init__.py    GNU General Public License v3.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_dir = tempfile.mkdtemp()
        tmp_fp, tmp_name = tempfile.mkstemp(dir=tmp_dir)
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(tmp_name, b"trusted.foo", b"42")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match(r"2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
            rmdir(tmp_dir)
    _can_xattr = can
    return can 
Example 35
Project: NiujiaoDebugger   Author: MrSrc   File: test_shutil.py    GNU General Public License v3.0 5 votes vote down vote up
def test_copy2_xattr(self):
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        dst = os.path.join(tmp_dir, 'bar')
        write_file(src, 'foo')
        os.setxattr(src, 'user.foo', b'42')
        shutil.copy2(src, dst)
        self.assertEqual(
                os.getxattr(src, 'user.foo'),
                os.getxattr(dst, 'user.foo'))
        os.remove(dst) 
Example 36
Project: NiujiaoDebugger   Author: MrSrc   File: test_os.py    GNU General Public License v3.0 5 votes vote down vote up
def test_simple(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr) 
Example 37
Project: NiujiaoDebugger   Author: MrSrc   File: test_os.py    GNU General Public License v3.0 5 votes vote down vote up
def test_lpath(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr, follow_symlinks=False) 
Example 38
Project: NiujiaoDebugger   Author: MrSrc   File: test_os.py    GNU General Public License v3.0 5 votes vote down vote up
def test_fds(self):
        def getxattr(path, *args):
            with open(path, "rb") as fp:
                return os.getxattr(fp.fileno(), *args)
        def setxattr(path, *args):
            with open(path, "wb", 0) as fp:
                os.setxattr(fp.fileno(), *args)
        def removexattr(path, *args):
            with open(path, "wb", 0) as fp:
                os.removexattr(fp.fileno(), *args)
        def listxattr(path, *args):
            with open(path, "rb") as fp:
                return os.listxattr(fp.fileno(), *args)
        self._check_xattrs(getxattr, setxattr, removexattr, listxattr) 
Example 39
Project: ble5-nrf52-mac   Author: tomasero   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 40
Project: 2015cdb_g4   Author: 40223208   File: support.py    GNU General Public License v3.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 41
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: __init__.py    GNU General Public License v2.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_dir = tempfile.mkdtemp()
        tmp_fp, tmp_name = tempfile.mkstemp(dir=tmp_dir)
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(tmp_name, b"trusted.foo", b"42")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match(r"2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
            rmdir(tmp_dir)
    _can_xattr = can
    return can 
Example 42
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: test_shutil.py    GNU General Public License v2.0 5 votes vote down vote up
def test_copy2_xattr(self):
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        dst = os.path.join(tmp_dir, 'bar')
        write_file(src, 'foo')
        os.setxattr(src, 'user.foo', b'42')
        shutil.copy2(src, dst)
        self.assertEqual(
                os.getxattr(src, 'user.foo'),
                os.getxattr(dst, 'user.foo'))
        os.remove(dst) 
Example 43
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: test_os.py    GNU General Public License v2.0 5 votes vote down vote up
def test_simple(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr) 
Example 44
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: test_os.py    GNU General Public License v2.0 5 votes vote down vote up
def test_lpath(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr, follow_symlinks=False) 
Example 45
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: test_os.py    GNU General Public License v2.0 5 votes vote down vote up
def test_fds(self):
        def getxattr(path, *args):
            with open(path, "rb") as fp:
                return os.getxattr(fp.fileno(), *args)
        def setxattr(path, *args):
            with open(path, "wb", 0) as fp:
                os.setxattr(fp.fileno(), *args)
        def removexattr(path, *args):
            with open(path, "wb", 0) as fp:
                os.removexattr(fp.fileno(), *args)
        def listxattr(path, *args):
            with open(path, "rb") as fp:
                return os.listxattr(fp.fileno(), *args)
        self._check_xattrs(getxattr, setxattr, removexattr, listxattr) 
Example 46
Project: FightstickDisplay   Author: calexil   File: support.py    GNU General Public License v3.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 47
Project: hackathon   Author: vertica   File: support.py    Apache License 2.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 48
Project: 2015wcm   Author: coursemdetw   File: support.py    GNU Affero General Public License v3.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 49
Project: TFTHelper   Author: AliMZaini   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 50
Project: kgsgo-dataset-preprocessor   Author: hughperkins   File: support.py    Mozilla Public License 2.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 51
Project: packaging   Author: blockstack   File: support.py    GNU General Public License v3.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 52
Project: geofire-python   Author: ininex   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 53
Project: PoliNetworkBotPython   Author: PoliNetwork   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 54
Project: islam-buddy   Author: hamir   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 55
Project: pype   Author: pypeclub   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 56
Project: addon   Author: alfa-addon   File: support.py    GNU General Public License v3.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 57
Project: Pizza-or-Not-a-Pizza   Author: mraza007   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 58
Project: arkScript   Author: akbchris   File: support.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 59
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: __init__.py    GNU General Public License v3.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 60
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: test_shutil.py    GNU General Public License v3.0 5 votes vote down vote up
def test_copy2_xattr(self):
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        dst = os.path.join(tmp_dir, 'bar')
        write_file(src, 'foo')
        os.setxattr(src, 'user.foo', b'42')
        shutil.copy2(src, dst)
        self.assertEqual(
                os.getxattr(src, 'user.foo'),
                os.getxattr(dst, 'user.foo'))
        os.remove(dst) 
Example 61
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: test_os.py    GNU General Public License v3.0 5 votes vote down vote up
def _check_xattrs_str(self, s, getxattr, setxattr, removexattr, listxattr, **kwargs):
        fn = support.TESTFN
        open(fn, "wb").close()
        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)
        init_xattr = listxattr(fn)
        self.assertIsInstance(init_xattr, list)
        setxattr(fn, s("user.test"), b"", **kwargs)
        xattr = set(init_xattr)
        xattr.add("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"")
        setxattr(fn, s("user.test"), b"hello", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"hello")
        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test"), b"bye", os.XATTR_CREATE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.EEXIST)
        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test2"), b"bye", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)
        setxattr(fn, s("user.test2"), b"foo", os.XATTR_CREATE, **kwargs)
        xattr.add("user.test2")
        self.assertEqual(set(listxattr(fn)), xattr)
        removexattr(fn, s("user.test"), **kwargs)
        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)
        xattr.remove("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, s("user.test2"), **kwargs), b"foo")
        setxattr(fn, s("user.test"), b"a"*1024, **kwargs)
        self.assertEqual(getxattr(fn, s("user.test"), **kwargs), b"a"*1024)
        removexattr(fn, s("user.test"), **kwargs)
        many = sorted("user.test{}".format(i) for i in range(100))
        for thing in many:
            setxattr(fn, thing, b"x", **kwargs)
        self.assertEqual(set(listxattr(fn)), set(init_xattr) | set(many)) 
Example 62
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: test_os.py    GNU General Public License v3.0 5 votes vote down vote up
def test_simple(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr) 
Example 63
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: test_os.py    GNU General Public License v3.0 5 votes vote down vote up
def test_lpath(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr, follow_symlinks=False) 
Example 64
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: test_os.py    GNU General Public License v3.0 5 votes vote down vote up
def test_fds(self):
        def getxattr(path, *args):
            with open(path, "rb") as fp:
                return os.getxattr(fp.fileno(), *args)
        def setxattr(path, *args):
            with open(path, "wb") as fp:
                os.setxattr(fp.fileno(), *args)
        def removexattr(path, *args):
            with open(path, "wb") as fp:
                os.removexattr(fp.fileno(), *args)
        def listxattr(path, *args):
            with open(path, "rb") as fp:
                return os.listxattr(fp.fileno(), *args)
        self._check_xattrs(getxattr, setxattr, removexattr, listxattr) 
Example 65
Project: cells   Author: AlesTsurko   File: __init__.py    MIT License 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_dir = tempfile.mkdtemp()
        tmp_fp, tmp_name = tempfile.mkstemp(dir=tmp_dir)
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(tmp_name, b"trusted.foo", b"42")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match(r"2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
            rmdir(tmp_dir)
    _can_xattr = can
    return can 
Example 66
Project: cells   Author: AlesTsurko   File: test_shutil.py    MIT License 5 votes vote down vote up
def test_copy2_xattr(self):
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        dst = os.path.join(tmp_dir, 'bar')
        write_file(src, 'foo')
        os.setxattr(src, 'user.foo', b'42')
        shutil.copy2(src, dst)
        self.assertEqual(
                os.getxattr(src, 'user.foo'),
                os.getxattr(dst, 'user.foo'))
        os.remove(dst) 
Example 67
Project: cells   Author: AlesTsurko   File: test_os.py    MIT License 5 votes vote down vote up
def test_simple(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr) 
Example 68
Project: cells   Author: AlesTsurko   File: test_os.py    MIT License 5 votes vote down vote up
def test_lpath(self):
        self._check_xattrs(os.getxattr, os.setxattr, os.removexattr,
                           os.listxattr, follow_symlinks=False) 
Example 69
Project: cells   Author: AlesTsurko   File: test_os.py    MIT License 5 votes vote down vote up
def test_fds(self):
        def getxattr(path, *args):
            with open(path, "rb") as fp:
                return os.getxattr(fp.fileno(), *args)
        def setxattr(path, *args):
            with open(path, "wb", 0) as fp:
                os.setxattr(fp.fileno(), *args)
        def removexattr(path, *args):
            with open(path, "wb", 0) as fp:
                os.removexattr(fp.fileno(), *args)
        def listxattr(path, *args):
            with open(path, "rb") as fp:
                return os.listxattr(fp.fileno(), *args)
        self._check_xattrs(getxattr, setxattr, removexattr, listxattr) 
Example 70
Project: laboratoria   Author: almeidaw   File: support.py    Apache License 2.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 71
Project: laboratoria   Author: almeidaw   File: support.py    Apache License 2.0 5 votes vote down vote up
def can_xattr():
    global _can_xattr
    if _can_xattr is not None:
        return _can_xattr
    if not hasattr(os, "setxattr"):
        can = False
    else:
        tmp_fp, tmp_name = tempfile.mkstemp()
        try:
            with open(TESTFN, "wb") as fp:
                try:
                    # TESTFN & tempfile may use different file systems with
                    # different capabilities
                    os.setxattr(tmp_fp, b"user.test", b"")
                    os.setxattr(fp.fileno(), b"user.test", b"")
                    # Kernels < 2.6.39 don't respect setxattr flags.
                    kernel_version = platform.release()
                    m = re.match("2.6.(\d{1,2})", kernel_version)
                    can = m is None or int(m.group(1)) >= 39
                except OSError:
                    can = False
        finally:
            unlink(TESTFN)
            unlink(tmp_name)
    _can_xattr = can
    return can 
Example 72
Project: loguru   Author: Delgan   File: _ctime_functions.py    MIT License 5 votes vote down vote up
def set_ctime(filepath, timestamp):
        try:
            os.setxattr(filepath, b"user.loguru_crtime", str(timestamp).encode("ascii"))
        except OSError:
            pass 
Example 73
Project: NiujiaoDebugger   Author: MrSrc   File: test_shutil.py    GNU General Public License v3.0 4 votes vote down vote up
def test_copyxattr(self):
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        write_file(src, 'foo')
        dst = os.path.join(tmp_dir, 'bar')
        write_file(dst, 'bar')

        # no xattr == no problem
        shutil._copyxattr(src, dst)
        # common case
        os.setxattr(src, 'user.foo', b'42')
        os.setxattr(src, 'user.bar', b'43')
        shutil._copyxattr(src, dst)
        self.assertEqual(sorted(os.listxattr(src)), sorted(os.listxattr(dst)))
        self.assertEqual(
                os.getxattr(src, 'user.foo'),
                os.getxattr(dst, 'user.foo'))
        # check errors don't affect other attrs
        os.remove(dst)
        write_file(dst, 'bar')
        os_error = OSError(errno.EPERM, 'EPERM')

        def _raise_on_user_foo(fname, attr, val, **kwargs):
            if attr == 'user.foo':
                raise os_error
            else:
                orig_setxattr(fname, attr, val, **kwargs)
        try:
            orig_setxattr = os.setxattr
            os.setxattr = _raise_on_user_foo
            shutil._copyxattr(src, dst)
            self.assertIn('user.bar', os.listxattr(dst))
        finally:
            os.setxattr = orig_setxattr
        # the source filesystem not supporting xattrs should be ok, too.
        def _raise_on_src(fname, *, follow_symlinks=True):
            if fname == src:
                raise OSError(errno.ENOTSUP, 'Operation not supported')
            return orig_listxattr(fname, follow_symlinks=follow_symlinks)
        try:
            orig_listxattr = os.listxattr
            os.listxattr = _raise_on_src
            shutil._copyxattr(src, dst)
        finally:
            os.listxattr = orig_listxattr

        # test that shutil.copystat copies xattrs
        src = os.path.join(tmp_dir, 'the_original')
        write_file(src, src)
        os.setxattr(src, 'user.the_value', b'fiddly')
        dst = os.path.join(tmp_dir, 'the_copy')
        write_file(dst, dst)
        shutil.copystat(src, dst)
        self.assertEqual(os.getxattr(dst, 'user.the_value'), b'fiddly') 
Example 74
Project: NiujiaoDebugger   Author: MrSrc   File: test_os.py    GNU General Public License v3.0 4 votes vote down vote up
def _check_xattrs_str(self, s, getxattr, setxattr, removexattr, listxattr, **kwargs):
        fn = support.TESTFN
        self.addCleanup(support.unlink, fn)
        create_file(fn)

        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        init_xattr = listxattr(fn)
        self.assertIsInstance(init_xattr, list)

        setxattr(fn, s("user.test"), b"", **kwargs)
        xattr = set(init_xattr)
        xattr.add("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"")
        setxattr(fn, s("user.test"), b"hello", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"hello")

        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test"), b"bye", os.XATTR_CREATE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.EEXIST)

        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test2"), b"bye", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        setxattr(fn, s("user.test2"), b"foo", os.XATTR_CREATE, **kwargs)
        xattr.add("user.test2")
        self.assertEqual(set(listxattr(fn)), xattr)
        removexattr(fn, s("user.test"), **kwargs)

        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        xattr.remove("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, s("user.test2"), **kwargs), b"foo")
        setxattr(fn, s("user.test"), b"a"*1024, **kwargs)
        self.assertEqual(getxattr(fn, s("user.test"), **kwargs), b"a"*1024)
        removexattr(fn, s("user.test"), **kwargs)
        many = sorted("user.test{}".format(i) for i in range(100))
        for thing in many:
            setxattr(fn, thing, b"x", **kwargs)
        self.assertEqual(set(listxattr(fn)), set(init_xattr) | set(many)) 
Example 75
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: shutil.py    GNU General Public License v2.0 4 votes vote down vote up
def copystat(src, dst, *, follow_symlinks=True):
    """Copy file metadata

    Copy the permission bits, last access time, last modification time, and
    flags from `src` to `dst`. On Linux, copystat() also copies the "extended
    attributes" where possible. The file contents, owner, and group are
    unaffected. `src` and `dst` are path names given as strings.

    If the optional flag `follow_symlinks` is not set, symlinks aren't
    followed if and only if both `src` and `dst` are symlinks.
    """
    def _nop(*args, ns=None, follow_symlinks=None):
        pass

    # follow symlinks (aka don't not follow symlinks)
    follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
    if follow:
        # use the real function if it exists
        def lookup(name):
            return getattr(os, name, _nop)
    else:
        # use the real function only if it exists
        # *and* it supports follow_symlinks
        def lookup(name):
            fn = getattr(os, name, _nop)
            if fn in os.supports_follow_symlinks:
                return fn
            return _nop

    st = lookup("stat")(src, follow_symlinks=follow)
    mode = stat.S_IMODE(st.st_mode)
    lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
        follow_symlinks=follow)
    # We must copy extended attributes before the file is (potentially)
    # chmod()'ed read-only, otherwise setxattr() will error with -EACCES.
    _copyxattr(src, dst, follow_symlinks=follow)
    try:
        lookup("chmod")(dst, mode, follow_symlinks=follow)
    except NotImplementedError:
        # if we got a NotImplementedError, it's because
        #   * follow_symlinks=False,
        #   * lchown() is unavailable, and
        #   * either
        #       * fchownat() is unavailable or
        #       * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
        #         (it returned ENOSUP.)
        # therefore we're out of options--we simply cannot chown the
        # symlink.  give up, suppress the error.
        # (which is what shutil always did in this circumstance.)
        pass
    if hasattr(st, 'st_flags'):
        try:
            lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
        except OSError as why:
            for err in 'EOPNOTSUPP', 'ENOTSUP':
                if hasattr(errno, err) and why.errno == getattr(errno, err):
                    break
            else:
                raise 
Example 76
Project: cqp-sdk-for-py37-native   Author: crud-boy   File: test_os.py    GNU General Public License v2.0 4 votes vote down vote up
def _check_xattrs_str(self, s, getxattr, setxattr, removexattr, listxattr, **kwargs):
        fn = support.TESTFN
        self.addCleanup(support.unlink, fn)
        create_file(fn)

        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        init_xattr = listxattr(fn)
        self.assertIsInstance(init_xattr, list)

        setxattr(fn, s("user.test"), b"", **kwargs)
        xattr = set(init_xattr)
        xattr.add("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"")
        setxattr(fn, s("user.test"), b"hello", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"hello")

        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test"), b"bye", os.XATTR_CREATE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.EEXIST)

        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test2"), b"bye", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        setxattr(fn, s("user.test2"), b"foo", os.XATTR_CREATE, **kwargs)
        xattr.add("user.test2")
        self.assertEqual(set(listxattr(fn)), xattr)
        removexattr(fn, s("user.test"), **kwargs)

        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        xattr.remove("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, s("user.test2"), **kwargs), b"foo")
        setxattr(fn, s("user.test"), b"a"*1024, **kwargs)
        self.assertEqual(getxattr(fn, s("user.test"), **kwargs), b"a"*1024)
        removexattr(fn, s("user.test"), **kwargs)
        many = sorted("user.test{}".format(i) for i in range(100))
        for thing in many:
            setxattr(fn, thing, b"x", **kwargs)
        self.assertEqual(set(listxattr(fn)), set(init_xattr) | set(many)) 
Example 77
Project: Project-New-Reign---Nemesis-Main   Author: ShikyoKira   File: test_shutil.py    GNU General Public License v3.0 4 votes vote down vote up
def test_copyxattr(self):
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        write_file(src, 'foo')
        dst = os.path.join(tmp_dir, 'bar')
        write_file(dst, 'bar')

        # no xattr == no problem
        shutil._copyxattr(src, dst)
        # common case
        os.setxattr(src, 'user.foo', b'42')
        os.setxattr(src, 'user.bar', b'43')
        shutil._copyxattr(src, dst)
        self.assertEqual(sorted(os.listxattr(src)), sorted(os.listxattr(dst)))
        self.assertEqual(
                os.getxattr(src, 'user.foo'),
                os.getxattr(dst, 'user.foo'))
        # check errors don't affect other attrs
        os.remove(dst)
        write_file(dst, 'bar')
        os_error = OSError(errno.EPERM, 'EPERM')

        def _raise_on_user_foo(fname, attr, val, **kwargs):
            if attr == 'user.foo':
                raise os_error
            else:
                orig_setxattr(fname, attr, val, **kwargs)
        try:
            orig_setxattr = os.setxattr
            os.setxattr = _raise_on_user_foo
            shutil._copyxattr(src, dst)
            self.assertIn('user.bar', os.listxattr(dst))
        finally:
            os.setxattr = orig_setxattr
        # the source filesystem not supporting xattrs should be ok, too.
        def _raise_on_src(fname, *, follow_symlinks=True):
            if fname == src:
                raise OSError(errno.ENOTSUP, 'Operation not supported')
            return orig_listxattr(fname, follow_symlinks=follow_symlinks)
        try:
            orig_listxattr = os.listxattr
            os.listxattr = _raise_on_src
            shutil._copyxattr(src, dst)
        finally:
            os.listxattr = orig_listxattr

        # test that shutil.copystat copies xattrs
        src = os.path.join(tmp_dir, 'the_original')
        write_file(src, src)
        os.setxattr(src, 'user.the_value', b'fiddly')
        dst = os.path.join(tmp_dir, 'the_copy')
        write_file(dst, dst)
        shutil.copystat(src, dst)
        self.assertEqual(os.getxattr(dst, 'user.the_value'), b'fiddly') 
Example 78
Project: cells   Author: AlesTsurko   File: shutil.py    MIT License 4 votes vote down vote up
def copystat(src, dst, *, follow_symlinks=True):
    """Copy file metadata

    Copy the permission bits, last access time, last modification time, and
    flags from `src` to `dst`. On Linux, copystat() also copies the "extended
    attributes" where possible. The file contents, owner, and group are
    unaffected. `src` and `dst` are path names given as strings.

    If the optional flag `follow_symlinks` is not set, symlinks aren't
    followed if and only if both `src` and `dst` are symlinks.
    """
    def _nop(*args, ns=None, follow_symlinks=None):
        pass

    # follow symlinks (aka don't not follow symlinks)
    follow = follow_symlinks or not (os.path.islink(src) and os.path.islink(dst))
    if follow:
        # use the real function if it exists
        def lookup(name):
            return getattr(os, name, _nop)
    else:
        # use the real function only if it exists
        # *and* it supports follow_symlinks
        def lookup(name):
            fn = getattr(os, name, _nop)
            if fn in os.supports_follow_symlinks:
                return fn
            return _nop

    st = lookup("stat")(src, follow_symlinks=follow)
    mode = stat.S_IMODE(st.st_mode)
    lookup("utime")(dst, ns=(st.st_atime_ns, st.st_mtime_ns),
        follow_symlinks=follow)
    # We must copy extended attributes before the file is (potentially)
    # chmod()'ed read-only, otherwise setxattr() will error with -EACCES.
    _copyxattr(src, dst, follow_symlinks=follow)
    try:
        lookup("chmod")(dst, mode, follow_symlinks=follow)
    except NotImplementedError:
        # if we got a NotImplementedError, it's because
        #   * follow_symlinks=False,
        #   * lchown() is unavailable, and
        #   * either
        #       * fchownat() is unavailable or
        #       * fchownat() doesn't implement AT_SYMLINK_NOFOLLOW.
        #         (it returned ENOSUP.)
        # therefore we're out of options--we simply cannot chown the
        # symlink.  give up, suppress the error.
        # (which is what shutil always did in this circumstance.)
        pass
    if hasattr(st, 'st_flags'):
        try:
            lookup("chflags")(dst, st.st_flags, follow_symlinks=follow)
        except OSError as why:
            for err in 'EOPNOTSUPP', 'ENOTSUP':
                if hasattr(errno, err) and why.errno == getattr(errno, err):
                    break
            else:
                raise 
Example 79
Project: cells   Author: AlesTsurko   File: test_os.py    MIT License 4 votes vote down vote up
def _check_xattrs_str(self, s, getxattr, setxattr, removexattr, listxattr, **kwargs):
        fn = support.TESTFN
        self.addCleanup(support.unlink, fn)
        create_file(fn)

        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        init_xattr = listxattr(fn)
        self.assertIsInstance(init_xattr, list)

        setxattr(fn, s("user.test"), b"", **kwargs)
        xattr = set(init_xattr)
        xattr.add("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"")
        setxattr(fn, s("user.test"), b"hello", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(getxattr(fn, b"user.test", **kwargs), b"hello")

        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test"), b"bye", os.XATTR_CREATE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.EEXIST)

        with self.assertRaises(OSError) as cm:
            setxattr(fn, s("user.test2"), b"bye", os.XATTR_REPLACE, **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        setxattr(fn, s("user.test2"), b"foo", os.XATTR_CREATE, **kwargs)
        xattr.add("user.test2")
        self.assertEqual(set(listxattr(fn)), xattr)
        removexattr(fn, s("user.test"), **kwargs)

        with self.assertRaises(OSError) as cm:
            getxattr(fn, s("user.test"), **kwargs)
        self.assertEqual(cm.exception.errno, errno.ENODATA)

        xattr.remove("user.test")
        self.assertEqual(set(listxattr(fn)), xattr)
        self.assertEqual(getxattr(fn, s("user.test2"), **kwargs), b"foo")
        setxattr(fn, s("user.test"), b"a"*1024, **kwargs)
        self.assertEqual(getxattr(fn, s("user.test"), **kwargs), b"a"*1024)
        removexattr(fn, s("user.test"), **kwargs)
        many = sorted("user.test{}".format(i) for i in range(100))
        for thing in many:
            setxattr(fn, thing, b"x", **kwargs)
        self.assertEqual(set(listxattr(fn)), set(init_xattr) | set(many))