Python errno.EBUSY属性代码示例

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def sendfile_wrapper(self, sock, file, offset, nbytes, headers=[], trailers=[]):
        """A higher level wrapper representing how an application is
        supposed to use sendfile().
        """
        while 1:
            try:
                if self.SUPPORT_HEADERS_TRAILERS:
                    return os.sendfile(sock, file, offset, nbytes, headers,
                                       trailers)
                else:
                    return os.sendfile(sock, file, offset, nbytes)
            except OSError as err:
                if err.errno == errno.ECONNRESET:
                    # disconnected
                    raise
                elif err.errno in (errno.EAGAIN, errno.EBUSY):
                    # we have to retry send data
                    continue
                else:
                    raise 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def test_scrub_inactive_pastes_error(self):
        pastes = [util.testing.PasteFactory.generate(expiry_time=None) for _ in range(15)]
        [util.testing.AttachmentFactory.generate(paste_id=paste.paste_id, file_name='file') for paste in pastes]
        [database.paste.deactivate_paste(paste.paste_id) for paste in pastes[:10]]

        with mock.patch.object(shutil, 'rmtree') as mock_rmtree:
            mock_rmtree.side_effect = OSError(errno.EBUSY)

            self.assertRaises(
                OSError,
                database.paste.scrub_inactive_pastes,
            )

        with mock.patch.object(shutil, 'rmtree') as mock_rmtree:
            mock_rmtree.side_effect = OSError(errno.ENOENT)

            for paste in pastes:
                self.assertIsNotNone(database.paste.get_paste_by_id(paste.paste_id)) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def loop_create_device(ctl, fd, offset=None, sizelimit=None):
    while True:
        lo = loop.Loop(ctl.get_unbound())
        try:
            lo.set_fd(fd)
        except OSError as e:
            lo.close()
            if e.errno == errno.EBUSY:
                continue
            raise e
        try:
            lo.set_status(offset=offset, sizelimit=sizelimit, autoclear=True)
        except BlockingIOError:
            lo.clear_fd()
            lo.close()
            continue
        break
    try:
        yield lo
    finally:
        lo.close() 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def play_sound_file(path):
    fp = open(path, 'r')
    size, enc, rate, nchannels, extra = sunaudio.gethdr(fp)
    data = fp.read()
    fp.close()

    if enc != SND_FORMAT_MULAW_8:
        print "Expect .au file with 8-bit mu-law samples"
        return

    try:
        a = linuxaudiodev.open('w')
    except linuxaudiodev.error, msg:
        if msg[0] in (errno.EACCES, errno.ENOENT, errno.ENODEV, errno.EBUSY):
            raise TestSkipped, msg
        raise TestFailed, msg

    # convert the data to 16-bit signed 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def add_pids(self, pids, mongroup_name):
        """Adds the pids to the resctrl group and creates mongroup with the pids.
           If the resctrl group does not exists creates it (lazy creation).
           If the mongroup exists adds pids to the group (no error will be thrown)."""
        assert mongroup_name is not None and len(mongroup_name) > 0, 'mongroup_name cannot be empty'

        if self.name != RESCTRL_ROOT_NAME:
            log.debug('creating resctrl group %r', self.name)
            self._create_controlgroup_directory()

        # CTRL GROUP
        # add pids to /tasks file
        log.debug('add_pids: %d pids to %r', len(pids), os.path.join(self.fullpath, 'tasks'))
        self._add_pids_to_tasks_file(pids, os.path.join(self.fullpath, 'tasks'))

        # MON GROUP
        # create mongroup ...
        mongroup_fullpath = self._get_mongroup_fullpath(mongroup_name)
        try:
            log.log(logger.TRACE, 'resctrl: makedirs(%s)', mongroup_fullpath)
            os.makedirs(mongroup_fullpath, exist_ok=True)
        except OSError as e:
            if e.errno == errno.ENOSPC:  # "No space left on device"
                raise Exception("Limit of workloads reached! (Out of available CLoSes/RMIDs!)")
            if e.errno == errno.EBUSY:  # "Device or resource busy"
                raise Exception("Out of RMIDs! Too many RMIDs used or in "
                                "limbo. If you encountered this problem it "
                                "is probably related to one of known issues "
                                "mentioned in Skylake processor's errata."
                                "You could try to increase max "
                                "threshold occupancy in /sys/fs/resctrl"
                                "/info/L3_MON/max_threshold_occupancy file.")
            raise
        # ... and write the pids to the mongroup
        log.debug('add_pids: %d pids to %r', len(pids), os.path.join(mongroup_fullpath, 'tasks'))
        self._add_pids_to_tasks_file(pids, os.path.join(mongroup_fullpath, 'tasks')) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def load(volpath):
    """
    Load and return dictionary from the sidecar
    """
    vol_type = get_vol_type(volpath)
    if not vol_type:
        logging.warning("KV delete - could not determine type of volume %s", volpath)
        return None
    if vol_type == c_uint32(KV_VOL_VIRTUAL).value:
        meta_file = lib.DiskLib_SidecarMakeFileName(volpath.encode(),
                                                    DVOL_KEY.encode())
    else:
        meta_file = get_kv_filename(volpath)
        if not meta_file:
            return None
    retry_count = 0
    vol_name = vmdk_utils.get_volname_from_vmdk_path(volpath)
    while True:
        try:
            with open(meta_file, "r") as fh:
                kv_str = fh.read()
            break
        except IOError as open_error:
            # This is a workaround to the timing/locking with metadata files issue #626
            if open_error.errno == errno.EBUSY and retry_count <= vmdk_utils.VMDK_RETRY_COUNT:
                logging.warning("Meta file %s busy for load(), retrying...", meta_file)
                vmdk_utils.log_volume_lsof(vol_name)
                retry_count += 1
                time.sleep(vmdk_utils.VMDK_RETRY_SLEEP)
            else:
                logging.exception("Failed to access %s", meta_file)
                return None

    try:
        return json.loads(kv_str)
    except ValueError:
        logging.exception("load:Failed to decode meta-data for %s", volpath)
        return None 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def play_sound_file(self, data, rate, ssize, nchannels):
        try:
            dsp = ossaudiodev.open('w')
        except IOError, msg:
            if msg.args[0] in (errno.EACCES, errno.ENOENT,
                               errno.ENODEV, errno.EBUSY):
                raise unittest.SkipTest(msg)
            raise

        # at least check that these methods can be invoked 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def test_main():
    try:
        dsp = ossaudiodev.open('w')
    except (ossaudiodev.error, IOError), msg:
        if msg.args[0] in (errno.EACCES, errno.ENOENT,
                           errno.ENODEV, errno.EBUSY):
            raise unittest.SkipTest(msg)
        raise 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def test_main():
    try:
        dsp = linuxaudiodev.open('w')
    except linuxaudiodev.error, msg:
        if msg.args[0] in (errno.EACCES, errno.ENOENT, errno.ENODEV, errno.EBUSY):
            raise unittest.SkipTest(msg)
        raise 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def test_init_fail_open(self, usb_context):
        device = self.Device(0x1000, 0x2000, 1, 2, [
            self.Settings([
                self.Endpoint(0x0004, 0x0002),
                self.Endpoint(0x0084, 0x0002),
            ])
        ])
        device.open = MagicMock()
        device.open.side_effect = [
            nfc.clf.transport.libusb.USBErrorAccess,
            nfc.clf.transport.libusb.USBErrorBusy,
            nfc.clf.transport.libusb.USBErrorNoDevice,
        ]
        usb_context.return_value.getDeviceList.return_value = [device]

        with pytest.raises(IOError) as excinfo:
            nfc.clf.transport.USB(1, 2)
        assert excinfo.value.errno == errno.EACCES

        with pytest.raises(IOError) as excinfo:
            nfc.clf.transport.USB(1, 2)
        assert excinfo.value.errno == errno.EBUSY

        with pytest.raises(IOError) as excinfo:
            nfc.clf.transport.USB(1, 2)
        assert excinfo.value.errno == errno.ENODEV 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def test_bad_acquire(self):
        lock_file = os.path.join(self.lock_dir, 'lock')
        lock = BrokenLock(lock_file, errno.EBUSY)
        self.assertRaises(threading.ThreadError, lock.acquire) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def initiate_sendfile(self):
        """A wrapper around sendfile."""
        try:
            sent = sendfile(self._fileno, self._filefd, self._offset,
                            self.ac_out_buffer_size)
        except OSError as err:
            if err.errno in _ERRNOS_RETRY or err.errno == errno.EBUSY:
                return
            elif err.errno in _ERRNOS_DISCONNECTED:
                self.handle_close()
            else:
                if self.tot_bytes_sent == 0:
                    logger.warning(
                        "sendfile() failed; falling back on using plain send")
                    raise _GiveUpOnSendfile
                else:
                    raise
        else:
            if sent == 0:
                # this signals the channel that the transfer is completed
                self.discard_buffers()
                self.handle_close()
            else:
                self._offset += sent
                self.tot_bytes_sent += sent

    # --- utility methods 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def connect_miniterm(port):
    try:
        ser = Serial(port, BAUDRATE, parity=PARITY, rtscts=False, xonxoff=False)
        return Miniterm(ser, echo=False)
    except SerialException as e:
        if e.errno == errno.ENOENT:
            sys.stderr.write(
                "Device %r not found. Check your "
                "MicroPython device path settings.\n" % port)
        elif e.errno == errno.EBUSY:
            # Device is busy. Explain what to do.
            sys.stderr.write(
                "Found the device, but it is busy. "
                "Wait up to 20 seconds, or "
                "press the reset button on the "
                "back of the device next to the yellow light; "
                "then try again.\n"
            )
        elif e.errno == errno.EACCES:
            sys.stderr.write("Found the device, but could not connect.\n".format(port))
            sys.stderr.write('%s\n' % (str(e),))
            sys.stderr.write('On linux, try adding yourself to the "dialout" group:\n')
            sys.stderr.write('sudo usermod -a -G dialout <your-username>\n')
        else:
            # Try to be as helpful as possible.
            sys.stderr.write("Found the device, but could not connect via" +
                             " port %r: %s\n" % (port, e))
            sys.stderr.write("I'm not sure what to suggest. :-(\n")
        input("Press ENTER to continue")
        sys.exit(1) 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def dup2(a, b, timeout=3):
    """Like os.dup2, but retry on EBUSY"""
    dup_err = None
    # give FDs 3 seconds to not be busy anymore
    for i in range(int(10 * timeout)):
        try:
            return os.dup2(a, b)
        except OSError as e:
            dup_err = e
            if e.errno == errno.EBUSY:
                time.sleep(0.1)
            else:
                raise
    if dup_err:
        raise dup_err 

# 需要导入模块: import errno [as 别名]
# 或者: from errno import EBUSY [as 别名]
def lzc_destroy_snaps_translate_errors(ret, errlist, snaps, defer):
    if ret == 0:
        return

    def _map(ret, name):
        if ret == errno.EEXIST:
            return lzc_exc.SnapshotIsCloned(name)
        if ret == errno.ENOENT:
            return lzc_exc.PoolNotFound(name)
        if ret == errno.EBUSY:
            return lzc_exc.SnapshotIsHeld(name)
        return _generic_exception(ret, name, "Failed to destroy snapshot")

    _handle_err_list(ret, errlist, snaps, lzc_exc.SnapshotDestructionFailure, _map)