Python errno 模块，ENOLCK 实例源码

我们从Python开源项目中，提取了以下11个代码示例，用于说明如何使用errno.ENOLCK。

项目：oscars2016 作者：0x0ece | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except IOError as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            elif e.errno == errno.EACCES:
                logger.warn('Cannot access credentials file.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())
        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：ecodash 作者：Servir-Mekong | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except (IOError, OSError) as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            elif e.errno == errno.EACCES:
                logger.warn('Cannot access credentials file.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())

        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：OneClickDTU 作者：satwikkansal | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except IOError as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())
        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：aqua-monitor 作者：Deltares | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except IOError as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())
        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：SurfaceWaterTool 作者：Servir-Mekong | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except (IOError, OSError) as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            elif e.errno == errno.EACCES:
                logger.warn('Cannot access credentials file.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())

        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：metrics 作者：Jeremy-Friedman | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except (IOError, OSError) as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            elif e.errno == errno.EACCES:
                logger.warn('Cannot access credentials file.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())

        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：metrics 作者：Jeremy-Friedman | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except (IOError, OSError) as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            elif e.errno == errno.EACCES:
                logger.warn('Cannot access credentials file.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())

        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：alfredToday 作者：jeeftor | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except (IOError, OSError) as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            elif e.errno == errno.EACCES:
                logger.warn('Cannot access credentials file.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())

        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：Deploy_XXNET_Server 作者：jzp820927 | 项目源码 | 文件源码

def _lock(self):
    """Lock the entire multistore."""
    self._thread_lock.acquire()
    try:
      self._file.open_and_lock()
    except IOError as e:
      if e.errno == errno.ENOSYS:
        logger.warn('File system does not support locking the credentials '
                    'file.')
      elif e.errno ==  errno.ENOLCK:
        logger.warn('File system is out of resources for writing the '
                    'credentials file (is your disk full?).')
      else:
        raise
    if not self._file.is_locked():
      self._read_only = True
      if self._warn_on_readonly:
        logger.warn('The credentials file (%s) is not writable. Opening in '
                    'read-only mode. Any refreshed credentials will only be '
                    'valid for this run.', self._file.filename())
    if os.path.getsize(self._file.filename()) == 0:
      logger.debug('Initializing empty multistore file')
      # The multistore is empty so write out an empty file.
      self._data = {}
      self._write()
    elif not self._read_only or self._data is None:
      # Only refresh the data if we are read/write or we haven't
      # cached the data yet. If we are readonly, we assume is isn't
      # changing out from under us and that we only have to read it
      # once. This prevents us from whacking any new access keys that
      # we have cached in memory but were unable to write out.
      self._refresh_data_cache()

项目：IoT_Parking 作者：leeshlay | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except IOError as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())
        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()

项目：share-class 作者：junyiacademy | 项目源码 | 文件源码

def _lock(self):
        """Lock the entire multistore."""
        self._thread_lock.acquire()
        try:
            self._file.open_and_lock()
        except IOError as e:
            if e.errno == errno.ENOSYS:
                logger.warn('File system does not support locking the '
                            'credentials file.')
            elif e.errno == errno.ENOLCK:
                logger.warn('File system is out of resources for writing the '
                            'credentials file (is your disk full?).')
            elif e.errno == errno.EDEADLK:
                logger.warn('Lock contention on multistore file, opening '
                            'in read-only mode.')
            else:
                raise
        if not self._file.is_locked():
            self._read_only = True
            if self._warn_on_readonly:
                logger.warn('The credentials file (%s) is not writable. '
                            'Opening in read-only mode. Any refreshed '
                            'credentials will only be '
                            'valid for this run.', self._file.filename())
        if os.path.getsize(self._file.filename()) == 0:
            logger.debug('Initializing empty multistore file')
            # The multistore is empty so write out an empty file.
            self._data = {}
            self._write()
        elif not self._read_only or self._data is None:
            # Only refresh the data if we are read/write or we haven't
            # cached the data yet. If we are readonly, we assume is isn't
            # changing out from under us and that we only have to read it
            # once. This prevents us from whacking any new access keys that
            # we have cached in memory but were unable to write out.
            self._refresh_data_cache()