Python errno.ERANGE属性代码示例

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def getxattr(self, path, name, value, size, *args):
        ret = self.operations('getxattr', path.decode(self.encoding),
                                          name.decode(self.encoding), *args)

        retsize = len(ret)
        # allow size queries
        if not value:
            return retsize

        # do not truncate
        if retsize > size:
            return -errno.ERANGE

        # Does not add trailing 0
        buf = ctypes.create_string_buffer(ret, retsize)
        ctypes.memmove(value, buf, retsize)

        return retsize 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def listxattr(self, path, namebuf, size):
        attrs = self.operations('listxattr', path.decode(self.encoding)) or ''
        ret = '\x00'.join(attrs).encode(self.encoding)
        if len(ret) > 0:
            ret += '\x00'.encode(self.encoding)

        retsize = len(ret)
        # allow size queries
        if not namebuf:
            return retsize

        # do not truncate
        if retsize > size:
            return -errno.ERANGE

        buf = ctypes.create_string_buffer(ret, retsize)
        ctypes.memmove(namebuf, buf, retsize)

        return retsize 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def isPathValid(path):
    """
    Returns True if the given path is valid, False otherwise.
    :type path: str
    :rtype: bool
    """
    try:
        if not path or not isinstance(path, str):
            return False
        path = expandPath(path)
        path = os.path.splitdrive(path)[1]
        root = os.path.sep
        if __WIN32:
            root = os.environ.get('HOMEDRIVE', 'C:')
        root = '{0}{1}'.format(root.rstrip(os.path.sep), os.path.sep)
        assert os.path.isdir(root)
        for part in path.split(os.path.sep):
            try:
                os.lstat(os.path.join(root, part))
            except OSError as exc:
                if hasattr(exc, 'winerror'):
                    if exc.winerror == 123:
                        return False
                if exc.errno in {errno.ENAMETOOLONG, errno.ERANGE}:
                    return False
    except TypeError:
        return False
    else:
        return True 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def sys_getcwd(self, buf, size) -> int:
        """
        getcwd - Get the current working directory
        :param int buf: Pointer to dest array
        :param size: size in bytes of the array pointed to by the buf
        :return: buf (Success), or 0
        """

        try:
            current_dir = os.getcwd()
            length = len(current_dir) + 1

            if size > 0 and size < length:
                logger.info(
                    "GETCWD: size is greater than 0, but is smaller than the length "
                    "of the path + 1. Returning -errno.ERANGE"
                )
                return -errno.ERANGE

            if not self.current.memory.access_ok(slice(buf, buf + length), "w"):
                logger.info("GETCWD: buf within invalid memory. Returning -errno.EFAULT")
                return -errno.EFAULT

            self.current.write_string(buf, current_dir)
            logger.debug(f"getcwd(0x{buf:08x}, {size}) -> <{current_dir}> (Size {length})")
            return length

        except OSError as e:
            return -e.errno 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def listxattr_FIX(self, path, namebuf, size):
    attrs = self.operations('listxattr', path.decode(self.encoding)) or ''
    ret = '\x00'.join(attrs).encode(self.encoding) + '\x00'.encode('ascii') # <= fixed here

    retsize = len(ret)
    # allow size queries
    if not namebuf: return retsize

    # do not truncate
    if retsize > size: return -errno.ERANGE

    buf = create_string_buffer(ret, retsize)
    memmove(namebuf, buf, retsize)

    return retsize 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def nl_syserr2nlerr(error_):
    """https://github.com/thom311/libnl/blob/libnl3_2_25/lib/error.c#L84."""
    error_ = abs(error_)
    legend = {
        errno.EBADF: libnl.errno_.NLE_BAD_SOCK,
        errno.EADDRINUSE: libnl.errno_.NLE_EXIST,
        errno.EEXIST: libnl.errno_.NLE_EXIST,
        errno.EADDRNOTAVAIL: libnl.errno_.NLE_NOADDR,
        errno.ESRCH: libnl.errno_.NLE_OBJ_NOTFOUND,
        errno.ENOENT: libnl.errno_.NLE_OBJ_NOTFOUND,
        errno.EINTR: libnl.errno_.NLE_INTR,
        errno.EAGAIN: libnl.errno_.NLE_AGAIN,
        errno.ENOTSOCK: libnl.errno_.NLE_BAD_SOCK,
        errno.ENOPROTOOPT: libnl.errno_.NLE_INVAL,
        errno.EFAULT: libnl.errno_.NLE_INVAL,
        errno.EACCES: libnl.errno_.NLE_NOACCESS,
        errno.EINVAL: libnl.errno_.NLE_INVAL,
        errno.ENOBUFS: libnl.errno_.NLE_NOMEM,
        errno.ENOMEM: libnl.errno_.NLE_NOMEM,
        errno.EAFNOSUPPORT: libnl.errno_.NLE_AF_NOSUPPORT,
        errno.EPROTONOSUPPORT: libnl.errno_.NLE_PROTO_MISMATCH,
        errno.EOPNOTSUPP: libnl.errno_.NLE_OPNOTSUPP,
        errno.EPERM: libnl.errno_.NLE_PERM,
        errno.EBUSY: libnl.errno_.NLE_BUSY,
        errno.ERANGE: libnl.errno_.NLE_RANGE,
        errno.ENODEV: libnl.errno_.NLE_NODEV,
    }
    return int(legend.get(error_, libnl.errno_.NLE_FAILURE)) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def is_pathname_valid(pathname):
    """
    `True` if the passed pathname is a valid pathname for the current OS;
    `False` otherwise.
    """
    try:
        if not isinstance(pathname, str) or not pathname:
            return False

        _, pathname = os.path.splitdrive(pathname)

        root_dirname = os.environ.get('HOMEDRIVE', 'C:') \
            if sys.platform == 'win32' else os.path.sep

        assert os.path.isdir(root_dirname)
        root_dirname = root_dirname.rstrip(os.path.sep) + os.path.sep

        for pathname_part in pathname.split(os.path.sep):
            try:
                os.lstat(root_dirname + pathname_part)
            except OSError as exc:
                if hasattr(exc, 'winerror'):
                    if exc.winerror == ERROR_INVALID_NAME:
                        return False
                elif exc.errno in {errno.ENAMETOOLONG, errno.ERANGE}:
                    return False
    except (ValueError, TypeError):
        return False
    else:
        return True 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def test_getcwd_long_pathnames(self):
        dirname = 'getcwd-test-directory-0123456789abcdef-01234567890abcdef'
        curdir = os.getcwd()
        base_path = os.path.abspath(test_support.TESTFN) + '.getcwd'

        try:
            os.mkdir(base_path)
            os.chdir(base_path)
        except:
            self.skipTest("cannot create directory for testing")

        try:
            def _create_and_do_getcwd(dirname, current_path_length = 0):
                try:
                    os.mkdir(dirname)
                except:
                    self.skipTest("mkdir cannot create directory sufficiently "
                                  "deep for getcwd test")

                os.chdir(dirname)
                try:
                    os.getcwd()
                    if current_path_length < 4099:
                        _create_and_do_getcwd(dirname, current_path_length + len(dirname) + 1)
                except OSError as e:
                    expected_errno = errno.ENAMETOOLONG
                    # The following platforms have quirky getcwd()
                    # behaviour -- see issue 9185 and 15765 for
                    # more information.
                    quirky_platform = (
                        'sunos' in sys.platform or
                        'netbsd' in sys.platform or
                        'openbsd' in sys.platform
                    )
                    if quirky_platform:
                        expected_errno = errno.ERANGE
                    if 'darwin' in sys.platform:
                        # macOS 10.15 may return errno.ENOENT instead
                        self.assertIn(e.errno, (errno.ENOENT, errno.ENAMETOOLONG))
                    else:
                        self.assertEqual(e.errno, expected_errno)
                finally:
                    os.chdir('..')
                    os.rmdir(dirname)

            _create_and_do_getcwd(dirname)

        finally:
            os.chdir(curdir)
            shutil.rmtree(base_path) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def test_getcwd_long_pathnames(self):
        if hasattr(posix, 'getcwd'):
            dirname = 'getcwd-test-directory-0123456789abcdef-01234567890abcdef'
            curdir = os.getcwd()
            base_path = os.path.abspath(test_support.TESTFN) + '.getcwd'

            try:
                os.mkdir(base_path)
                os.chdir(base_path)
            except:
#               Just returning nothing instead of the SkipTest exception,
#               because the test results in Error in that case.
#               Is that ok?
#                raise unittest.SkipTest, "cannot create directory for testing"
                return

            try:
                def _create_and_do_getcwd(dirname, current_path_length = 0):
                    try:
                        os.mkdir(dirname)
                    except:
                        raise unittest.SkipTest, "mkdir cannot create directory sufficiently deep for getcwd test"

                    os.chdir(dirname)
                    try:
                        os.getcwd()
                        if current_path_length < 4099:
                            _create_and_do_getcwd(dirname, current_path_length + len(dirname) + 1)
                    except OSError as e:
                        expected_errno = errno.ENAMETOOLONG
                        # The following platforms have quirky getcwd()
                        # behaviour -- see issue 9185 and 15765 for
                        # more information.
                        quirky_platform = (
                            'sunos' in sys.platform or
                            'netbsd' in sys.platform or
                            'openbsd' in sys.platform
                        )
                        if quirky_platform:
                            expected_errno = errno.ERANGE
                        self.assertEqual(e.errno, expected_errno)
                    finally:
                        os.chdir('..')
                        os.rmdir(dirname)

                _create_and_do_getcwd(dirname)

            finally:
                os.chdir(curdir)
                shutil.rmtree(base_path) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def test_getcwd_long_pathnames(self):
        dirname = 'getcwd-test-directory-0123456789abcdef-01234567890abcdef'
        curdir = os.getcwd()
        base_path = os.path.abspath(test_support.TESTFN) + '.getcwd'

        try:
            os.mkdir(base_path)
            os.chdir(base_path)
        except:
            self.skipTest("cannot create directory for testing")

        try:
            def _create_and_do_getcwd(dirname, current_path_length = 0):
                try:
                    os.mkdir(dirname)
                except:
                    self.skipTest("mkdir cannot create directory sufficiently "
                                  "deep for getcwd test")

                os.chdir(dirname)
                try:
                    os.getcwd()
                    if current_path_length < 4099:
                        _create_and_do_getcwd(dirname, current_path_length + len(dirname) + 1)
                except OSError as e:
                    expected_errno = errno.ENAMETOOLONG
                    # The following platforms have quirky getcwd()
                    # behaviour -- see issue 9185 and 15765 for
                    # more information.
                    quirky_platform = (
                        'sunos' in sys.platform or
                        'netbsd' in sys.platform or
                        'openbsd' in sys.platform
                    )
                    if quirky_platform:
                        expected_errno = errno.ERANGE
                    self.assertEqual(e.errno, expected_errno)
                finally:
                    os.chdir('..')
                    os.rmdir(dirname)

            _create_and_do_getcwd(dirname)

        finally:
            os.chdir(curdir)
            shutil.rmtree(base_path) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import ERANGE [as 别名]
def test_getcwd_long_pathnames(self):
        if hasattr(posix, 'getcwd'):
            dirname = 'getcwd-test-directory-0123456789abcdef-01234567890abcdef'
            curdir = os.getcwd()
            base_path = os.path.abspath(test_support.TESTFN) + '.getcwd'

            try:
                os.mkdir(base_path)
                os.chdir(base_path)
            except:
#               Just returning nothing instead of the SkipTest exception,
#               because the test results in Error in that case.
#               Is that ok?
#                raise unittest.SkipTest, "cannot create directory for testing"
                return

            try:
                def _create_and_do_getcwd(dirname, current_path_length = 0):
                    try:
                        os.mkdir(dirname)
                    except:
                        raise unittest.SkipTest, "mkdir cannot create directory sufficiently deep for getcwd test"

                    os.chdir(dirname)
                    try:
                        os.getcwd()
                        if current_path_length < 4099:
                            _create_and_do_getcwd(dirname, current_path_length + len(dirname) + 1)
                    except OSError as e:
                        expected_errno = errno.ENAMETOOLONG
                        if 'sunos' in sys.platform or 'openbsd' in sys.platform:
                            expected_errno = errno.ERANGE # Issue 9185
                        self.assertEqual(e.errno, expected_errno)
                    finally:
                        os.chdir('..')
                        os.rmdir(dirname)

                _create_and_do_getcwd(dirname)

            finally:
                os.chdir(curdir)
                shutil.rmtree(base_path)