"""Custom errors.""" class DataSourceError(RuntimeError): """Errors relating to opening or closing an OGRDataSource (with >= 1 layers).""" class DataLayerError(RuntimeError): """Errors relating to working with a single OGRLayer.""" class CRSError(DataLayerError): """Errors relating to getting or setting CRS values.""" class FeatureError(DataLayerError): """Errors related to reading or writing a feature.""" class GeometryError(DataLayerError): """Errors relating to getting or setting a geometry field.""" class FieldError(DataLayerError): """Errors relating to getting or setting a non-geometry field."""