Checks if data source via Sentinel Hub services is available at US West server

        Example: ``DataSource.LANDSAT8.is_uswest_source()`` or ``DataSource.is_uswest_source(DataSource.LANDSAT8)``

        :param self: One of the supported data sources
        :type self: DataSource
        :return: ``True`` if data source exists at US West server and ``False`` otherwise
        :rtype: bool

def is_uswest_source(self):
        """Checks if data source via Sentinel Hub services is available at US West server

        Example: ``DataSource.LANDSAT8.is_uswest_source()`` or ``DataSource.is_uswest_source(DataSource.LANDSAT8)``

        :param self: One of the supported data sources
        :type self: DataSource
        :return: ``True`` if data source exists at US West server and ``False`` otherwise
        :rtype: bool
        """
        return not SHConfig().is_eocloud_ogc_url() and self.value[0] in [_Source.LANDSAT8, _Source.MODIS, _Source.DEM]